DailyMed is the only official source for up-to-date FDA-approved drug labels and side effects. Learn how to search for drug information, locate adverse reactions, and verify the latest safety updates directly from the National Library of Medicine.
Twenty-seven U.S. states have special rules restricting generic substitution for narrow therapeutic index drugs like warfarin, levothyroxine, and lithium. Learn which states block swaps, require consent, or allow changes - and what it means for your health.
Authorized generics let brand drugmakers sell their own cheaper versions after patent expiration. They're identical to the brand, avoid FDA approval delays, and lower prices - but can confuse patients and delay competition.
Patent term restoration lets pharmaceutical companies recover lost patent time due to FDA delays. Learn how the Hatch-Waxman Act works, who qualifies, and why it's critical for drug development.
Cholinergic urticaria causes heat-induced hives triggered by sweat and rising body temperature. Learn how it works, what treatments help, and how to prevent flare-ups with lifestyle changes and medication.
Learn how to manage gestational diabetes with diet, exercise, and monitoring to keep both you and your baby healthy during pregnancy. Understand targets, meal planning, and what comes after birth.
Learn how to safely use over-the-counter medications for common symptoms like headaches, colds, and stomach upset. Avoid dangerous mistakes with acetaminophen, NSAIDs, and hidden drug interactions.
Recurrent infections can signal an underlying immunodeficiency. Learn the key red flags - from frequent pneumonia to thrush after age 1 - and what tests actually matter for diagnosis.
Learn what to expect at the National Prescription Drug Take-Back Day-when it happens, where to go, what you can drop off, and why it matters for safety and public health.
Eczema in babies can be the first sign of the atopic march-a chain of allergic conditions. Learn how skin barrier care, early allergen exposure, and genetics shape your child's risk-and what you can do now to help.