Promethazine DM syrup contains promethazine (6.25 mg/5 ml) and dextromethorphan (15 mg/5 ml). The typical dosage depends on the patient’s age and weight. Here’s a general dosage guide:
| Age Group | Dosage | Maximum Daily Dose | Frequency |
|---|---|---|---|
| Adults | 5 mL (1 teaspoon) | 30 mL (6 teaspoons) | Every 4-6 hours as needed |
| Children (12+ years) | 5 mL (1 teaspoon) | 30 mL (6 teaspoons) | Every 4-6 hours as needed |
| Children (6-11 years) | 2.5-5 mL (½ to 1 teaspoon) | 20 mL (4 teaspoons) | Every 4-6 hours as needed |
| Children (under 6 years) | Not recommended | Not recommended | Unless prescribed by a doctor |
Important Notes
- This dosage chart is for general guidance only. Your specific needs might vary.
- Do not exceed the maximum daily dose. If symptoms persist for more than a few days, consult a doctor.
- Promethazine DM can cause drowsiness. Avoid activities requiring alertness while taking it.
- This medication may interact with other drugs you’re taking. Inform your doctor about all your medications.
- Do not give this medication to children younger than 2 years old.
- If you miss a dose, take it as soon as you remember, unless it’s almost time for the next dose. In that case, skip the missed dose and take the next one as scheduled.
Sources used: