Which one of the following is employes as antihistamine ?

Options

A. Omeprazole
B. Chloramphenicol
C. Dipheny dramine
D. Norothindrone

Answer

C

Explanation

Drugs which interfere with the natural action of histamine by competing with histamine for binding sites or receptor where histamine exerts is effect are called antihistamines or anti-allergic drugs.
These are widely used for treatment of hayfever, conjunctivitis (iinflammation of nasal mucosa), i.e. sneezing, nasal discharge itching of eyes, nose and throat, motion sickness (air, sea, road) nausea in pregnancy and post operative vomiting. The antihistamine drugs which are widely used are bromphneiramine and terfenadine. Some other antihistamine durgs which are commonly used are: diphenylhydramine (benadryl), pheniramine maleata (avil), cetrizine, chlorpheniramine (zect), promethazine, etc.