

271 Yothapol Khemarak Phoumin Blvd (271), Phnom Penh, Cambodia
Proméphac 25mg Not available
No prescription required
This medicine is available over the counter. Still, please consult your doctor or pharmacist before using new medication.
Last updated 24/05/2026 at 2:11 AM

271 Yothapol Khemarak Phoumin Blvd (271), Phnom Penh, Cambodia
Indication
Proméphac 25 mg contains promethazine, a first-generation antihistamine and phenothiazine derivative. It is used for relief of allergic conditions (urticaria, hay fever), motion sickness, nausea and vomiting, and as a pre-operative sedative.
Ingredients
- Promethazine HCl 25 mg
Direction
Adults: 25 mg orally at bedtime, or 12.5–25 mg up to 3 times daily for allergic symptoms. For motion sickness: 25 mg taken 1 hour before travel, then every 8–12 hours as needed. Follow prescriber instructions. Children: dosage must be determined by a physician.
Side effects
- Drowsiness and sedation.
- Dry mouth.
- Blurred vision.
- Constipation.
- Dizziness.
- Extrapyramidal reactions (rare
- at high doses).
Precautions
- Contraindicated in children under 2 years due to risk of respiratory depression.
- Use with caution in patients with respiratory disease
- glaucoma
- urinary retention
- or epilepsy.
- Do not combine with other CNS depressants or alcohol.
- Avoid driving or operating machinery.
- Not recommended during pregnancy (especially near term) without medical advice.
- May cause extrapyramidal effects with high doses.
Indication
Proméphac 25 mg contains promethazine, a first-generation antihistamine and phenothiazine derivative. It is used for relief of allergic conditions (urticaria, hay fever), motion sickness, nausea and vomiting, and as a pre-operative sedative.
Ingredients
- Promethazine HCl 25 mg
Direction
Adults: 25 mg orally at bedtime, or 12.5–25 mg up to 3 times daily for allergic symptoms. For motion sickness: 25 mg taken 1 hour before travel, then every 8–12 hours as needed. Follow prescriber instructions. Children: dosage must be determined by a physician.
Side effects
- Drowsiness and sedation.
- Dry mouth.
- Blurred vision.
- Constipation.
- Dizziness.
- Extrapyramidal reactions (rare
- at high doses).
Precautions
- Contraindicated in children under 2 years due to risk of respiratory depression.
- Use with caution in patients with respiratory disease
- glaucoma
- urinary retention
- or epilepsy.
- Do not combine with other CNS depressants or alcohol.
- Avoid driving or operating machinery.
- Not recommended during pregnancy (especially near term) without medical advice.
- May cause extrapyramidal effects with high doses.
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