Verahit Adverse Reactions

The following undesirable effects have been experienced with the following indicated frequencies in betahistine-treated patients in placebo-controlled clinical trials and in post-marketing reports: very common (1/10); common (1/100 to <1/10); uncommon (1/1,000 to <1/100); rare (1/10,000 to <1/1,000); very rare (<1/10,000); and not known (frequency cannot be estimated from the available data).
Immune system disorders: Not known: Hypersensitivity reactions, e.g., anaphylaxis.
Nervous system disorders: Common: Headache, occasional drowsiness.
Cardiac disorders: Not known: Palpitations.
Respiratory disorders: Not known: Bronchospasms may occur in patients with bronchial asthma.
Gastrointestinal disorders: Common: Dyspepsia*, nausea.
Skin and subcutaneous tissue disorders: Not known: Cutaneous and subcutaneous hypersensitivity reactions, in particular angioneurotic edema, urticarial, rash, and pruritus.
*Mild gastric complaints (e.g., vomiting, gastrointestinal pain, abdominal distension and bloating) have been observed. These can normally be dealt with by taking the dose during meals or by lowering the dose.