Different medications can treat allergies, including steroids and allergy shots, but one of the first things to try is an antihistamine. These are over-the-counter (OTC) and prescription ...

Along with OTC nasal decongestants, some decongestant drugs are available only with a prescription. An antihistamine is a type of medication that is used to relieve or prevent allergy symptoms ...

Researchers find that allergy medicine could help patients with a rare genetic disease avoid liver transplants.

Damage to myelin, the protective sheath surrounding nerve fibers, impairs the brain's ability to transmit signals efficiently ...

which is blocked by the over-the-counter antihistamine drug classes that treat allergy (e.g., chlorcyclizine or fexofenadine) or that limit acid production (e.g., cimetidine or ranitidine).

People with acid reflux often rely on acid-reducing medications to ease symptoms. Depending on the severity of your symptoms, over-the-counter (OTC) and prescription options are available.

Add-on oral antihistamines or montelukast (Singulair) do not add much benefit. In three separate trials, researchers randomized 3398 adolescent and adult patients with moderate-to-severe SAR ...

According to the National Capital Poison Center, a not-for-profit poison control organization, at least 85 drugs—including ...

which is blocked by the over-the-counter antihistamine drug classes that treat allergy (e.g., chlorcyclizine or fexofenadine) or that limit acid production (e.g., cimetidine or ranitidine).

which is blocked by the over-the-counter antihistamine drug classes that treat allergy (e.g., chlorcyclizine or fexofenadine) or that limit acid production (e.g., cimetidine or ranitidine).