Medically reviewed by Alex Yampolsky, PharmD Benadryl (diphenhydramine) is a first-generation antihistamine. It helps treat ...

Chlorpheniramine is an antihistamine drug (H 1 receptor antagonist) that also possesses anticholinergic and sedative activity. It prevents released histamine from dilating capillaries and causing ...

In summary, the OATP transporters can have a profound effect on the absorption and bioavailability of drugs. Even common foods such as fruit juices can affect their activity, causing a large ...