Consumer health basics
Allergy symptoms can range from mild to severe, even life-threatening. Most allergies can't be cured, but treatments can help.
Learn more about allergy medications. Find out what they do and how they can help your symptoms.
An allergic reaction to meat-based meals had researchers stumped — until they connected the condition to bites from certain ticks.
How to recognize and provide first aid for anaphylaxis.
Learn more about symptoms, treatment, self-care tips and prevention of bee stings, which in some people cause severe allergic reaction.
Coenzyme Q10 might help reduce the muscle aches some people experience while taking cholesterol-lowering drugs known as statins.
Most often the result of a severe heart attack, this rare condition can be deadly if not treated immediately.
If you have a headache most days, you might have one of the most disabling headache conditions, chronic daily headaches. Aggressive treatment and long-term management might help.
Learn more about the symptoms and treatment of this allergic skin reaction caused by cold that most often affects young adults.
Cyclic vomiting syndrome often starts in childhood and is marked by spells of vomiting several times an hour over a period of hours or days.
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