Vertigon Side Effects

The most common antihistaminic side effect of cinnarizine is sedation which can vary from slight drowsiness to deep sleep including inability to concentrate, lassitude, dizziness and incoordination. Sedative effects, when they occur, may diminish after a few days.
Other side effects include GI disturbances eg, nausea, vomiting, diarrhoea or constipation, anorexia or increased appetite and epigastric pain.
Somnolence and GI disturbances are usually transient and may often be prevented by achieving the optimum dosage gradually.
Cinnarizine may also produce antimuscarinic effects eg, blurred vision, difficulty in micturition, dysuria, dryness of mouth and tightness of chest.
Central effects may include muscular weakness, headache and euphoria.
Weight gain, perspiration or allergic reactions may be observed. Cases of lichen planus and lupus-like symptoms and an isolated case of cholestatic jaundice have been reported.
In elderly people, cases of aggravation or an appearance of extrapyramidal symptoms sometimes associated with depressive feelings have been described during prolonged therapy. The treatment should be discontinued in such cases.