diphenhydramine

As nouns the difference between diphenhydramine and dexchlorpheniramine

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at receptor sites, reducing smooth muscle contraction while dexchlorpheniramine is an antihistamine used to treat allergic conditions such as hay fever and urticaria.

As nouns the difference between diphenhydramine and ketotifen

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction while ketotifen is an antihistamine drug used to treat allergic conjunctivitis.

As nouns the difference between dicyclomine and diphenhydramine

is that dicyclomine is an anticholinergic that blocks muscarine receptors while diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at receptor sites, reducing smooth muscle contraction.

As nouns the difference between diphenhydramine and hydroxyzine

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at receptor sites, reducing smooth muscle contraction while hydroxyzine is a first-generation antihistamine of the piperazine class, used as an antihistamine, antiemetic, anxiolytic, and weak analgesic.

As nouns the difference between diphenhydramine and fexofenadine

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction while fexofenadine is an antihistamine drug used in the treatment of hay fever and similar allergies.

As nouns the difference between diphenhydramine and benzocaine

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction while benzocaine is a local anesthetic commonly used as a topical pain reliever.

As nouns the difference between diphenhydramine and bromazine

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at receptor sites, reducing smooth muscle contraction while bromazine is a particular antihistamine drug, a brominated derivative of diphenhydramine.

As nouns the difference between diphenhydramine and orphenadrine

is that diphenhydramine is an antihistamine and sedative drug that blocks the effect of histamine at H1 receptor sites, reducing smooth muscle contraction while orphenadrine is an anticholinergic drug of the ethanolamine antihistamine class, closely related to diphenhydramine, used to treat painful muscle spasm and some aspects of Parkinson's disease.