Dec 28, 2018 · Aching pain in and around your ear. Difficulty chewing or pain while chewing. Aching facial pain. Locking of the joint, making it difficult to open or close your mouth. TMJ disorders can also cause a clicking sound or grating sensation when you open your mouth or chew. But if there's no pain or limitation of movement associated with your jaw ... Jun 19, 2021 · Emotional and behavioral symptoms. Signs and symptoms of social anxiety disorder can include constant: Fear of physical symptoms that may cause you embarrassment, such as blushing, sweating, trembling or having a shaky voice. Avoidance of doing things or speaking to people out of fear of embarrassment. Dec 15, 2022 · Causes include age, medications, and vasculitis. A fall, blow, or anything else that exerts sudden high pressure on the skin can cause a bruise. Very forceful blows can damage bones, causing deep ... Feb 11, 2020 · Multiple sclerosis. Diabetes. Age. Overactive thyroid. Perimenopause. Menopause. Summary. Sweating more or feeling hotter than usual can be due to medication, hormonal changes, stress, or an ... Nov 15, 2022 · Most reactions to common food allergens — peanuts or shellfish, for example — happen within minutes after you are exposed to them. In alpha-gal syndrome, reactions usually appear about 3 to 6 hours after you are exposed. Foods that can cause a reaction include: Red meat, such as beef, pork or lamb. Organ meats. Jan 11, 2023 · A vaginal yeast infection is a fungal infection that causes irritation, discharge and intense itchiness of the vagina and the vulva — the tissues at the vaginal opening. Also called vaginal candidiasis, vaginal yeast infection affects up to 3 out of 4 women at some point in their lifetimes. Many women experience at least two episodes. Coma is a state of prolonged loss of consciousness. It can have a variety of causes, including traumatic head injury, stroke, brain tumor, or drug or alcohol intoxication. A coma may even be caused by an underlying illness, such as diabetes or an infection. Coma is a medical emergency. Quick action is needed to preserve life and brain function.Symptoms. Signs and symptoms of bruxism may include: Teeth grinding or clenching, which may be loud enough to wake up your sleep partner. Teeth that are flattened, fractured, chipped or loose. Worn tooth enamel, exposing deeper layers of your tooth. Increased tooth pain or sensitivity.C. difficile can cause the colon to become inflamed and sometimes form patches of raw tissue that can bleed or produce pus. Signs and symptoms of severe infection include: Watery diarrhea as often as 10 to 15 times a day. Abdominal cramping and pain, which may be severe. Rapid heart rate. Jun 19, 2021 · Emotional and behavioral symptoms. Signs and symptoms of social anxiety disorder can include constant: Fear of physical symptoms that may cause you embarrassment, such as blushing, sweating, trembling or having a shaky voice. Avoidance of doing things or speaking to people out of fear of embarrassment. Things you drink or medicines you take that cause your body to make more urine. Frequent urination often happens along with other urinary signs and symptoms, such as: Feeling pain or discomfort when you pass urine. Having a strong urge to pass urine. Having trouble passing urine. Leaking urine. Passing urine that's an unusual color.Mar 15, 2022 · Gastritis doesn't always cause signs and symptoms. When to see a doctor. Nearly everyone has had a bout of indigestion and stomach irritation. Most cases of indigestion are short-lived and don't require medical care. See your health care provider if you have signs and symptoms of gastritis for a week or longer. Symptoms. Edema in foot and ankle Enlarge image. Symptoms of edema include: Swelling or puffiness of the tissue right under the skin, especially in legs or arms. Stretched or shiny skin. Skin that holds a dimple, also known as pitting, after it's been pressed for a few seconds. Swelling of the belly, also called the abdomen, so that it's bigger ...A variety of conditions can cause permanent or temporary hair loss, including hormonal changes due to pregnancy, childbirth, menopause and thyroid problems. Medical conditions include alopecia areata (al-o-PEE-she-uh ar-e-A-tuh), which is immune system related and causes patchy hair loss, scalp infections such as ringworm, and a hair-pulling ...May 4, 2022 · Possible causes, with diabetes. If you have diabetes, you might not make insulin (type 1 diabetes) or you might be less responsive to it (type 2 diabetes). As a result, glucose builds up in the bloodstream and can reach dangerously high levels. To correct this problem, you might take insulin or other medications to lower blood sugar levels. Overview. Heat exhaustion is a condition that happens when your body overheats. Symptoms may include heavy sweating and a rapid pulse. Heat exhaustion is one of three heat-related illnesses, with heat cramps being the mildest and heatstroke being the most serious. Causes of heat illness include exposure to high temperatures, particularly when ...If you have epilepsy, you're 13 to 19 times more likely to drown while swimming or bathing than the rest of the population because of the possibility of having a seizure while in the water. Car accidents. A seizure that causes either loss of awareness or control can be dangerous if you're driving a car or operating other equipment.Symptoms. High cholesterol has no symptoms. A blood test is the only way to detect if you have it. When to see a doctor. According to the National Heart, Lung, and Blood Institute (NHLBI), a person's first cholesterol screening should occur between the ages of 9 and 11, and then be repeated every five years after that.Jul 7, 2023 · Show transcript. A migraine is a headache that can cause severe throbbing pain or a pulsing sensation, usually on one side of the head. It's often accompanied by nausea, vomiting, and extreme sensitivity to light and sound. Migraine attacks can last for hours to days, and the pain can be so bad that it interferes with your daily activities. Jun 11, 2022 · Gastroparesis can cause several complications, such as: Severe dehydration. Ongoing vomiting can cause dehydration. Malnutrition. Poor appetite can mean you don't take in enough calories, or you may be unable to absorb enough nutrients due to vomiting. Undigested food that hardens and remains in your stomach. Causes. A number of diseases and conditions can cause diarrhea, including: Viruses. Viruses that can cause diarrhea include Norwalk virus (also known as norovirus), enteric adenoviruses, astrovirus, cytomegalovirus and viral hepatitis. Rotavirus is a common cause of acute childhood diarrhea.Mar 16, 2023 · Emotional exhaustion can result from chronic life stress and emotionally taxing events. You can relieve symptoms by eliminating stressors, if possible, and practicing certain techniques. Signs and symptoms associated with dysphagia can include: Pain while swallowing. Inability to swallow. A sensation of food getting stuck in the throat or chest or behind the breastbone (sternum) Drooling. Hoarseness. Food coming back up (regurgitation) Frequent heartburn. Food or stomach acid backing up into the throat.Mar 15, 2022 · Gastritis doesn't always cause signs and symptoms. When to see a doctor. Nearly everyone has had a bout of indigestion and stomach irritation. Most cases of indigestion are short-lived and don't require medical care. See your health care provider if you have signs and symptoms of gastritis for a week or longer. This is a sudden drop in blood pressure when standing from a sitting position or after lying down. Causes include dehydration, long-term bed rest, pregnancy, certain medical conditions and some medications. This type of low blood pressure is common in older adults. Postprandial hypotension. This drop in blood pressure occurs 1 to 2 hours after ...Jan 6, 2022 · If you have asthma or cystic fibrosis, see your doctor whenever you notice a change in your breathing. Although aspergillosis may not be the cause, it's important to have breathing problems evaluated. If you have a weakened immune system and develop an unexplained fever, shortness of breath or a cough that brings up blood, get immediate medical ... Jun 11, 2022 · Gastroparesis can cause several complications, such as: Severe dehydration. Ongoing vomiting can cause dehydration. Malnutrition. Poor appetite can mean you don't take in enough calories, or you may be unable to absorb enough nutrients due to vomiting. Undigested food that hardens and remains in your stomach. If a kidney stone becomes lodged in the ureters, it may block the flow of urine and cause the kidney to swell and the ureter to spasm, which can be very painful. At that point, you may experience these symptoms: Severe, sharp pain in the side and back, below the ribs. Pain that radiates to the lower abdomen and groin.At first, you may barely notice the symptoms of hypothyroidism, such as fatigue and weight gain. Or you may think they are just part of getting older. But as your metabolism continues to slow, you may develop more-obvious problems. Hypothyroidism symptoms may include: Tiredness. More sensitivity to cold. Constipation. Dry skin. Weight gain ...Hemochromatosis (he-moe-kroe-muh-TOE-sis) causes your body to absorb too much iron from the food you eat. Excess iron is stored in your organs, especially your liver, heart and pancreas. Too much iron can lead to life-threatening conditions, such as liver disease, heart problems and diabetes. There are a few types of hemochromatosis, but the ...Nov 8, 2022 · Standing for too long. Not getting enough sleep. Dehydration. Becoming overheated. Emotional stress. Fear. Seeing blood. Straining while having a bowel movement and symptoms related to irritable bowel syndrome may also provoke the vasovagal reflex. Medical Causes of Syncope or Fainting. Signs and symptoms of stroke include: Trouble speaking and understanding what others are saying. You may experience confusion, slur words or have difficulty understanding speech. Paralysis or numbness of the face, arm or leg. You may develop sudden numbness, weakness or paralysis in the face, arm or leg.Symptoms. At first, the flu may seem like a common cold with a runny nose, sneezing and sore throat. Colds usually develop slowly. But the flu tends to come on suddenly. And while a cold can be miserable, you usually feel much worse with the flu. Common symptoms of the flu include: Fever. Aching muscles.Synonyms for CAUSE: create, bring, generate, prompt, produce, do, work, induce; Antonyms of CAUSE: limit, impede, restrict, suppress, stifle, quell, subdue, quash Jun 11, 2022 · Gastroparesis can cause several complications, such as: Severe dehydration. Ongoing vomiting can cause dehydration. Malnutrition. Poor appetite can mean you don't take in enough calories, or you may be unable to absorb enough nutrients due to vomiting. Undigested food that hardens and remains in your stomach. Chronic, severe vomiting or diarrhea and other causes of dehydration. This causes your body to lose electrolytes, such as sodium, and also increases ADH levels. Drinking too much water. Drinking excessive amounts of water can cause low sodium by overwhelming the kidneys' ability to excrete water.Causes. Scabies is caused by a tiny, eight-legged mite. The female mite burrows just under the skin and makes a tunnel where it lays eggs. The eggs hatch, and the mite larvae travel to the surface of the skin, where they mature. These mites can then spread to other areas of the skin or to the skin of other people.There are a variety of triggers that can set off the vagal response. Some are internal, while others come from the environment. Common triggers of the vagal response include: Emotional stress; fear. Having blood drawn; the sight of blood. Gastrointestinal illness. Having a bowel movement. Heat. Pain.Don't rule out red meat as a possible cause of your reaction. That's even more important if you live or spend time in parts of the world where alpha-gal syndrome has been reported. Get emergency medical treatment if you have symptoms of a serious allergic reaction that causes trouble breathing, called anaphylaxis, such as: Trouble breathing.Symptoms. Edema in foot and ankle Enlarge image. Symptoms of edema include: Swelling or puffiness of the tissue right under the skin, especially in legs or arms. Stretched or shiny skin. Skin that holds a dimple, also known as pitting, after it's been pressed for a few seconds. Swelling of the belly, also called the abdomen, so that it's bigger ...Ongoing gum irritation and swelling, called inflammation, can cause periodontitis. Eventually this causes deep pockets to form between your gums and teeth. These pockets fill with plaque, tartar and bacteria and become deeper over time. If not treated, these deep infections cause a loss of tissue and bone. Eventually you may lose one or more teeth.Aug 22, 2023 · Causes. A number of diseases and conditions can cause diarrhea, including: Viruses. Viruses that can cause diarrhea include Norwalk virus (also known as norovirus), enteric adenoviruses, astrovirus, cytomegalovirus and viral hepatitis. Rotavirus is a common cause of acute childhood diarrhea. Jan 6, 2022 · If you have asthma or cystic fibrosis, see your doctor whenever you notice a change in your breathing. Although aspergillosis may not be the cause, it's important to have breathing problems evaluated. If you have a weakened immune system and develop an unexplained fever, shortness of breath or a cough that brings up blood, get immediate medical ... Gastritis doesn't always cause signs and symptoms. When to see a doctor. Nearly everyone has had a bout of indigestion and stomach irritation. Most cases of indigestion are short-lived and don't require medical care. See your health care provider if you have signs and symptoms of gastritis for a week or longer.Causes include age, medications, and vasculitis. A fall, blow, or anything else that exerts sudden high pressure on the skin can cause a bruise. Very forceful blows can damage bones, causing deep ...Anemia symptoms depend on the cause and how bad the anemia is. Anemia can be so mild that it causes no symptoms at first. But symptoms usually then occur and get worse as the anemia gets worse. If another disease causes the anemia, the disease can mask the anemia symptoms. Then a test for another condition might find the anemia.Oct 15, 2022 · Symptoms. At first, the flu may seem like a common cold with a runny nose, sneezing and sore throat. Colds usually develop slowly. But the flu tends to come on suddenly. And while a cold can be miserable, you usually feel much worse with the flu. Common symptoms of the flu include: Fever. Aching muscles. Symptoms of sepsis. Symptoms of sepsis may include: Change in mental status. Fast, shallow breathing. Sweating for no clear reason. Feeling lightheaded. Shivering. Symptoms specific to the type of infection, such as painful urination from a urinary tract infection or worsening cough from pneumonia. Symptoms of sepsis are not specific.Bacterial or viral infection. You have a cold or the flu. You’re feeling worn down and tired. That’s because your body is fighting the infection and it’s putting a strain on your immune ...Oct 22, 2022 · A number of things can cause a rapid heart rate (tachycardia). If you feel like your heart is beating too fast, make an appointment to see a health care provider. Seek immediate medical help if you have shortness of breath, weakness, dizziness, lightheadedness, fainting or near fainting, and chest pain or discomfort. Nov 26, 2021 · Bacterial or viral infection. You have a cold or the flu. You’re feeling worn down and tired. That’s because your body is fighting the infection and it’s putting a strain on your immune ... Apr 30, 2023 · There are a variety of triggers that can set off the vagal response. Some are internal, while others come from the environment. Common triggers of the vagal response include: Emotional stress; fear. Having blood drawn; the sight of blood. Gastrointestinal illness. Having a bowel movement. Heat. Pain. Causes. By Mayo Clinic Staff. Most of the time fatigue can be traced to one or more lifestyle issues, such as poor sleep habits or lack of exercise. Fatigue can be caused by a medicine or linked to depression. Sometimes fatigue is a symptom of an illness that needs treatment.Mar 19, 2022 · When a cavity is just beginning, you may not have any symptoms at all. As the decay gets larger, it may cause signs and symptoms such as: Toothache, spontaneous pain or pain that occurs without any apparent cause. Tooth sensitivity. Mild to sharp pain when eating or drinking something sweet, hot or cold. If you have epilepsy, you're 13 to 19 times more likely to drown while swimming or bathing than the rest of the population because of the possibility of having a seizure while in the water. Car accidents. A seizure that causes either loss of awareness or control can be dangerous if you're driving a car or operating other equipment.Other dehydration causes include: Diarrhea, vomiting. Severe, acute diarrhea — that is, diarrhea that comes on suddenly and violently — can cause a tremendous loss of water and electrolytes in a short amount of time. If you have vomiting along with diarrhea, you lose even more fluids and minerals. Fever.Causes. The veins around the anus tend to stretch under pressure and may bulge or swell. Hemorrhoids can develop from increased pressure in the lower rectum due to: Straining during bowel movements. Sitting for long periods of time, especially on the toilet. Having chronic diarrhea or constipation. Being obese.May 17, 2022 · Chronic, severe vomiting or diarrhea and other causes of dehydration. This causes your body to lose electrolytes, such as sodium, and also increases ADH levels. Drinking too much water. Drinking excessive amounts of water can cause low sodium by overwhelming the kidneys' ability to excrete water. Causes. Scabies is caused by a tiny, eight-legged mite. The female mite burrows just under the skin and makes a tunnel where it lays eggs. The eggs hatch, and the mite larvae travel to the surface of the skin, where they mature. These mites can then spread to other areas of the skin or to the skin of other people.The causes are germs or other harmful things in the food or beverage. Symptoms of food poisoning often include upset stomach, diarrhea and vomiting. Symptoms usually start within hours or several days of eating the food. Most people have mild illness and get better without treatment. Sometimes food poisoning causes severe illness or complications.Causes. When you have a food allergy, your immune system mistakenly identifies a specific food or a substance in food as something harmful. In response, your immune system triggers cells to release an antibody known as immunoglobulin E (IgE) to neutralize the allergy-causing food or food substance (the allergen).If you aren't consuming enough iron, or if you're losing too much iron, your body can't produce enough hemoglobin, and iron deficiency anemia will eventually develop. Causes of iron deficiency anemia include: Blood loss. Blood contains iron within red blood cells. So if you lose blood, you lose some iron.Causes. A number of diseases and conditions can cause diarrhea, including: Viruses. Viruses that can cause diarrhea include Norwalk virus (also known as norovirus), enteric adenoviruses, astrovirus, cytomegalovirus and viral hepatitis. Rotavirus is a common cause of acute childhood diarrhea.Feb 9, 2023 · Urinary incontinence may also be caused by an easily treatable medical condition, such as: Urinary tract infection. Infections can irritate your bladder, causing you to have strong urges to urinate and, sometimes, incontinence. Constipation. The rectum is located near the bladder and shares many of the same nerves. noun uk / kɔːz / us / kɑːz / cause noun (REASON) Add to word list B2 [ C or U ] the reason why something, especially something bad, happens: The police are still trying to establish the cause of the fire. She had died of natural causes. I wouldn't tell you without ( good) cause (= if there was not a (good) reason).Symptoms. Signs and symptoms of E. coli O157:H7 infection usually begin three or four days after exposure to the bacteria. But you may become ill as soon as one day after exposure to more than a week later. Signs and symptoms include: Diarrhea, which may range from mild and watery to severe and bloody. Stomach cramping, pain or tenderness.Symptoms. Edema in foot and ankle Enlarge image. Symptoms of edema include: Swelling or puffiness of the tissue right under the skin, especially in legs or arms. Stretched or shiny skin. Skin that holds a dimple, also known as pitting, after it's been pressed for a few seconds. Swelling of the belly, also called the abdomen, so that it's bigger ...The most common reason for fainting is a sudden drop in blood pressure, which reduces blood flow and oxygen to your brain. There are many reasons why a drop in blood pressure could lead to a temporary loss of consciousness: Cardiac syncope: This type of syncope involves fainting because of a heart problem. Many heart conditions can affect how ...Your genes may make you more likely to have ear damage from sound or from aging. Noises on the job. Jobs where loud noise is constant, such as farming, construction or factory work, can lead to damage inside the ear. Noises at play. Exposure to explosive noises, such as from firearms and jet engines, can cause immediate, permanent hearing loss.Signs and symptoms associated with dysphagia can include: Pain while swallowing. Inability to swallow. A sensation of food getting stuck in the throat or chest or behind the breastbone (sternum) Drooling. Hoarseness. Food coming back up (regurgitation) Frequent heartburn. Food or stomach acid backing up into the throat.Mar 19, 2022 · When a cavity is just beginning, you may not have any symptoms at all. As the decay gets larger, it may cause signs and symptoms such as: Toothache, spontaneous pain or pain that occurs without any apparent cause. Tooth sensitivity. Mild to sharp pain when eating or drinking something sweet, hot or cold. Don't rule out red meat as a possible cause of your reaction. That's even more important if you live or spend time in parts of the world where alpha-gal syndrome has been reported. Get emergency medical treatment if you have symptoms of a serious allergic reaction that causes trouble breathing, called anaphylaxis, such as: Trouble breathing.Dec 28, 2018 · Aching pain in and around your ear. Difficulty chewing or pain while chewing. Aching facial pain. Locking of the joint, making it difficult to open or close your mouth. TMJ disorders can also cause a clicking sound or grating sensation when you open your mouth or chew. But if there's no pain or limitation of movement associated with your jaw ... Symptoms. Symptoms of obstructive sleep apnea include: Excessive daytime sleepiness. Loud snoring. Observed episodes of stopped breathing during sleep. Waking during the night and gasping or choking. Awakening in the morning with a dry mouth or sore throat. Morning headaches. Trouble focusing during the day.T he Lovers puts a big question to its audience, and how you respond is likely to determine whether you find this spiky romcom wonkily charming or amoral and grating. A mildly famous man meets a ...May 19, 2023 · Things you drink or medicines you take that cause your body to make more urine. Frequent urination often happens along with other urinary signs and symptoms, such as: Feeling pain or discomfort when you pass urine. Having a strong urge to pass urine. Having trouble passing urine. Leaking urine. Passing urine that's an unusual color. A muscle cramp is a sudden, unexpected tightening of one or more muscles. Sometimes called a charley horse, a muscle cramp can be very painful. Exercising or working hard, especially in heat, can lead to muscle cramps. Some medicines and illnesses also might cause muscle cramps. Muscle cramps aren't usually harmful.Causes of atrial fibrillation. Problems with the heart's structure are the most common cause of atrial fibrillation (AFib). Heart diseases and health problems that can cause AFib include: A heart problem you're born with, called a congenital heart defect. A problem with the heart's natural pacemaker, called sick sinus syndrome.A muscle cramp is a sudden, unexpected tightening of one or more muscles. Sometimes called a charley horse, a muscle cramp can be very painful. Exercising or working hard, especially in heat, can lead to muscle cramps. Some medicines and illnesses also might cause muscle cramps. Muscle cramps aren't usually harmful.Peripheral neuropathy happens when the nerves that are located outside of the brain and spinal cord (peripheral nerves) are damaged. This condition often causes weakness, numbness and pain, usually in the hands and feet. It also can affect other areas and body functions including digestion and urination. The peripheral nervous system sends ...Mar 27, 2023 · Takeaway. You may get cold easily due to certain health conditions, including anemia, dehydration, or vitamin deficiency. Treatment can depend on the cause. Everyone’s body has a slightly ... Jun 19, 2021 · Emotional and behavioral symptoms. Signs and symptoms of social anxiety disorder can include constant: Fear of physical symptoms that may cause you embarrassment, such as blushing, sweating, trembling or having a shaky voice. Avoidance of doing things or speaking to people out of fear of embarrassment.
Overview. Heat exhaustion is a condition that happens when your body overheats. Symptoms may include heavy sweating and a rapid pulse. Heat exhaustion is one of three heat-related illnesses, with heat cramps being the mildest and heatstroke being the most serious. Causes of heat illness include exposure to high temperatures, particularly when .... Chat atandt
Definition of cause as in to create to be the cause of (a situation, action, or state of mind) the ice storm caused a massive power outage Synonyms & Similar Words Relevance create bring generate prompt produce do work induce spawn yield effect make invoke effectuate result (in) bring about catalyze draw on translate (into) encourage found promoteNov 23, 2021 · Possible causes of taste disorders and a loss of taste can include: upper respiratory infections, such as the common cold. COVID-19. sinus infections. middle ear infections. poor oral hygiene and ... Ongoing gum irritation and swelling, called inflammation, can cause periodontitis. Eventually this causes deep pockets to form between your gums and teeth. These pockets fill with plaque, tartar and bacteria and become deeper over time. If not treated, these deep infections cause a loss of tissue and bone. Eventually you may lose one or more teeth.Symptoms of sepsis. Symptoms of sepsis may include: Change in mental status. Fast, shallow breathing. Sweating for no clear reason. Feeling lightheaded. Shivering. Symptoms specific to the type of infection, such as painful urination from a urinary tract infection or worsening cough from pneumonia. Symptoms of sepsis are not specific.a. : a reason for an action or condition : motive. b. : something that brings about an effect or a result. trying to find the cause of the accident. c. : a person or thing that is the occasion of an action or state. a cause for celebration. especially : an agent that brings something about. Oct 15, 2016 · You're over age 60. Because of changes in sleep patterns and health, insomnia increases with age. You have a mental health disorder or physical health condition. Many issues that impact your mental or physical health can disrupt sleep. You're under a lot of stress. Stressful times and events can cause temporary insomnia. Standing for too long. Not getting enough sleep. Dehydration. Becoming overheated. Emotional stress. Fear. Seeing blood. Straining while having a bowel movement and symptoms related to irritable bowel syndrome may also provoke the vasovagal reflex. Medical Causes of Syncope or Fainting.Nausea and vomiting may occur separately or together. Common causes include: Chemotherapy. Gastroparesis (a condition in which the muscles of the stomach wall don't function properly, interfering with digestion) General anesthesia. Intestinal obstruction. Migraine. Morning sickness. Motion sickness: First aid.If you aren't consuming enough iron, or if you're losing too much iron, your body can't produce enough hemoglobin, and iron deficiency anemia will eventually develop. Causes of iron deficiency anemia include: Blood loss. Blood contains iron within red blood cells. So if you lose blood, you lose some iron.Ongoing gum irritation and swelling, called inflammation, can cause periodontitis. Eventually this causes deep pockets to form between your gums and teeth. These pockets fill with plaque, tartar and bacteria and become deeper over time. If not treated, these deep infections cause a loss of tissue and bone. Eventually you may lose one or more teeth.There are a variety of triggers that can set off the vagal response. Some are internal, while others come from the environment. Common triggers of the vagal response include: Emotional stress; fear. Having blood drawn; the sight of blood. Gastrointestinal illness. Having a bowel movement. Heat. Pain..