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Common cold - Symptoms and causes - Mayo Clinic
Most people recover from a common cold in 7 to 10 days. Symptoms might last longer in people who smoke. Most often, you don't need medical care for a common cold. If symptoms don't get better or if they get worse, see your health care provider. Illnesses of the nose and throat caused by germs are called upper respiratory tract infections.
Symptom Checker - Mayo Clinic
Find possible causes of symptoms in children and adults. See our Symptom Checker.
Cold remedies: What works, what doesn't, what can't hurt
Cold remedies are almost as common as the common cold. But do they work? Nothing can cure a cold, which is caused by germs called viruses. But some remedies might help ease your symptoms and keep you from feeling so bad. Here's a look at some common cold remedies and what's known about them.
Low blood pressure (hypotension) - Symptoms and causes
Certain lifestyle changes might help ease symptoms of postprandial hypotension. Eat small, low-carbohydrate meals, drink more water, and stay away from alcohol. Neurally mediated hypotension. This is a blood pressure drop that happens after standing for long amounts of time. This type of low blood pressure mostly affects young adults and children.
Serotonin syndrome - Symptoms & causes - Mayo Clinic
Serotonin syndrome is a serious drug reaction. It is caused by medications that build up high levels of serotonin in the body. Serotonin is a chemical that the body produces naturally. It's needed for the nerve cells and brain to function. But too much serotonin causes signs and symptoms that can range from mild (shivering and diarrhea) to severe (muscle rigidity, fever and seizures). Severe ...
Atrial fibrillation - Symptoms and causes - Mayo Clinic
Atrial fibrillation (AFib) is a heart rhythm disorder. In a typical heart, a group of cells called the sinus node sends electrical signals that start each heartbeat. The signals go across the upper heart chambers to the AV node, where they usually slow down. Then the signals go to the lower heart chambers, causing them to squeeze and pump out blood. But in AFib, the signals in the upper ...
Raynaud's disease - Symptoms and causes - Mayo Clinic
Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress. The affected body parts, usually fingers and toes, might turn white then blue. Depending on your skin color, these color changes may be harder or easier to see. The affected areas may feel cold and numb until blood flow improves, usually after warming up.
Bronchitis - Symptoms and causes - Mayo Clinic
Symptoms If you have acute bronchitis, you may have cold symptoms, such as: Cough Production of mucus (sputum), which can be clear, white, yellowish-gray or green in color — rarely, it may be streaked with blood Sore throat Mild headache and body aches Slight fever and chills Fatigue Chest discomfort Shortness of breath and wheezing While these symptoms usually improve in about a week, you ...
COVID-19, cold, allergies and the flu: What are the differences?
COVID-19, the common cold, seasonal allergies and the flu have many similar symptoms. Find out about some of the important differences between these illnesses.
Cold sore - Symptoms and causes - Mayo Clinic
Learn more about the causes, symptoms, treatment and prevention of this common lip sore caused by the herpes simplex virus type 1 (HSV-1).
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