Antihistaminics

All the following are antihistaminics, except

Cetirizine

Dextromethorphan

Chlorpheniramine

Ranitidine

All the following are pharmacological effects of antihistaminics, except

Bronchoconstriction

Decreased vascular permeability

Antiemesis

Inhibition of gastric acid secretion

All the following are therapeutic indications of antihistaminics, except

Gastritis

Bronchial asthma

Allergic rhinitis

Motion sickness

All the following are adverse effects of antihistaminics, except

Fatigue

Gastrointestinal upset

Sedation

Hypotension

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