Each 5 mL (one teaspoonful), for oral administration contains: Dextromethorphan hydrobromide 15 mg; promethazine hydrochloride 6.25 mg. Alcohol 7%.

Inactive Ingredients: Ascorbic acid, citric acid, D&C yellow #10, FD&C yellow #6, menthol, methylparaben, orange pineapple flavor, propylene glycol, propylparaben, purified water, saccharin sodium, sodium benzoate, sodium citrate and sucrose.

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  • Promethazine DM
  • Dizziness; drowsiness; dry mouth; nausea; stomach upset.

    Seek medical attention right away if any of these SEVERE side effects occur while taking dextromethorphan / promethazine:
    Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); blurred vision; confusion; fainting; fast or irregular heartbeat; fever, chills, or sore throat; hallucinations; seizures; sensitivity to light; tremor; uncontrolled muscle movements; unusual bruising or bleeding; yellowing of skin or eyes.
  • Adult : 1 teaspoonful (5 mL) every 4 to 6 hours, not to exceed 30 mL in 24 hours. Children 6 Years To Under 12 Years: ½ to 1 teaspoonful (2.5 to 5 mL) every 4 to 6 hours, not to exceed 20 mL in 24 hours. Children 2 Years To Under 6 Years: ¼ to ½ teaspoonful (1.25 to 2.5 mL) every 4 to 6 hours, not to exceed 10 mL in 24 hours.