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Allergy medications and pregnancy: What's safe?
Find out what medicines can help you manage allergies while you're pregnant.
Allergy medications: Know your options
Learn more about allergy medications. Find out what they do and how they can help your symptoms.
Allergy skin tests
Considering skin testing for your allergies? Learn about the risks, results and what to expect during testing.
Alli weight-loss pill: Does it work?
Alli is an over-the-counter weight-loss pill that keeps your body from absorbing all of the fat in food. Learn about the drug's benefits and side effects.
Alpha blockers
Learn how this type of blood pressure medicine works and how it also can ease symptoms of an enlarged prostate.
Alzheimer's treatments: What's on the horizon?
Alzheimer's treatments now being studied include an Alzheimer's vaccine and several new medicines.
Alzheimer's: Medicines help manage symptoms and slow decline
Although there's no cure for Alzheimer's disease, certain drugs might help you manage your symptoms and improve your life for a time.
Ambien: Is dependence a concern?
Zolpidem (Ambien) for insomnia is generally safe in the short term, but some people who take it may behave dangerously, such as driving while not awake.
Amenorrhea
Absence of menstruation (amenorrhea) may be linked to an underlying, treatable problem. Learn about amenorrhea causes and when to seek help.
Amniocentesis
Find out about this prenatal test that checks the fluid surrounding the baby during pregnancy.
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