Diphenhydramine

Diphenhydramine is a commonly used antihistamine, which is also used for coughs, to aid sleep and for certain symptoms of Parkinson's diease, as well as for allergy symptoms.

Brand names
Diphenhydramine is marketed under many different brand names including:
 * Allermax
 * Banophen
 * Benadryl
 * Compoz Nighttime Sleep Aid
 * Diphedryl or Diphenhis
 * Nytol QuickCaps
 * QlearQuil Nightitme Allergy Relief
 * Siladryl Allergy
 * Silphen Cough
 * Sominex original
 * Tranquil
 * Twilite
 * Vanamine PD
 * Unisom Sleepgels maximum strength
 * Z-Sleep
 * ZzzQuil

Risks and safety
Side effects include dizziness and drowsiness.

Costs and availability
Diphenhydramine is available over the counter, under many different brand names.

Learn more

 * Diphenhydramine - drugs.com
 * Diphenhydramine - NHS