Sinex Forte - ឱសថស្ថាន សិរីមង្គលថ្មី
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No prescription required

This medicine is available over the counter. Still, please consult your doctor or pharmacist before using new medication.

Last updated 29/05/2026 at 1:14 PM

Indication

Sinex Forte is a combination cold and flu preparation containing Dextromethorphan, Cetirizine, Paracetamol, and Phenylephrine. It is used to relieve symptoms of cold and flu including cough suppression, runny nose and sneezing (antihistamine effect), fever and body ache (analgesic/antipyretic), and nasal congestion (decongestant).

Ingredients
  • Dextromethorphan
  • Cetirizine
  • Paracetamol
  • Phenylephrine
Direction

Not available

Side effects
  • Drowsiness
  • sedation
  • Dizziness
  • headache
  • Dry mouth
  • nausea
  • Increased blood pressure (due to phenylephrine)
  • Urinary retention
Precautions
  • Do not use with other paracetamol
  • containing products (risk of overdose).
  • Do not use with MAO inhibitors or within 14 days of stopping MAO inhibitor therapy.
  • Use with caution in patients with hypertension
  • cardiac disease
  • diabetes
  • thyroid disorders
  • or urinary retention.
  • May cause drowsiness
  • avoid driving or operating machinery.
  • Do not use with alcohol.
  • Contraindicated in patients with severe hepatic impairment.
  • Keep out of reach of children.

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