Question

Brompheniramine (Dimetap) and terfenadine (Seldane) act as antihistamines. Give their biological
action.
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Answer 1

Answer:

both the the bind to the specific receptors and prevents secretion of histamine

Explanation:

Brompheniramine (Dimetap)

This combination medication is used to temporarily relieve symptoms caused by the common cold, flu, allergies, or other breathing illnesses (such as sinusitis, bronchitis). Antihistamines help relieve watery eyes, itchy eyes/nose/throat, runny nose, and sneezing.

terfenadine (Seldane)

Terfenadine, a bioprecursor prodrug, is an antihistamine used for the treatment of allergic conditions. It is completely metabolized in the liver by the enzyme cytochrome P450 3A4 isoform to give the active metabolite fexofenadine