Drug Name Zovirax

Hydroxyzine is an antihistamine with anticholinergic (drying) and sedative properties that is used to treat allergic reactions. The body releases histamine during several types of allergic reactions and--to a lesser extent--during some viral infections, such as the common cold. When histamine binds to its receptors on cells, it causes the cells to release chemical messengers that lead to sneezing, itching, and increased mucus production.
It is also used for treating hair loss and acne in women, and can be used as a topical medication for treatment of male baldness. It is commonly used to treat symptoms of polycystic ovary syndrome (PCOS) such as excess facial hair and acne. It can also cause gynecomastia in males and should never be given with potassium supplementation for fear of the development of hyperkalemia.

 

About one person in one hundred with hypertension has elevated levels of aldosterone; in these persons, the antihypertensive effect of spironolactone may exceed that of complex combined regimens of other antihypertensives. Due to its antiandrogen effect, it can also be used to treat hirsutism, and is a common component in hormone therapy for male-to-female transsexual and transgender people.
Antihistamines, like histamine, binds to the histamine receptors, but when they bind to the receptors they do not stimulate the cells to release chemical messengers. In addition, they prevent histamine from binding and stimulating the cells. Hydroxyzine itself has no activity.