Sonahist DM

Sonahist DM is supplied as clear, orange-vanilla flavored pediatric drops. Each dropperful (1 mL) contains: 1 mg chlorpheniramine maleate; 2 mg phenylephrine hydrochloride, 3 mg dextromethorphan hydrobromide.

Antihistamines may cause sedation, dizziness, diplopia, vomiting, diarrhea, dry mouth, headache, nervousness, nausea, anorexia, heartburn, weakness, polyuria and dysuria and, rarely, excitability in children. Urinary retention may occur in patients with prostatic hypertrophy.

Sympathomimetic amines may cause convulsions, CNS stimulation, cardiac arrhythmias, respiratory difficulty, increased heart rate or blood pressure, hallucinations, tremors, nervousness, insomnia, weakness, pallor and dysuria.

Dextromethorphan may cause drowsiness, dizziness, and GI disturbance.