Address Note 16, 261 St 261, Phnom Penh, Cambodia
Promethazine 5mg/5ml
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
Address Note 16, 261 St 261, Phnom Penh, Cambodia
Indication
Promethazine is a first-generation antihistamine used to relieve allergy symptoms, nausea and vomiting, motion sickness, and as a sedative for pre-operative medication. It also has antiemetic properties.
Ingredients
- Promethazine hydrochloride 5 mg per 5 ml
Direction
Adults: 10–25 mg at bedtime or as directed. Children 2–12 years: 0.1 mg/kg per dose, up to a maximum of 12.5 mg per dose, 2–3 times daily as directed by a physician. Use the lowest effective dose for the shortest duration.
Side effects
- Drowsiness
- sedation
- Dizziness
- impaired coordination
- Dry mouth
- constipation
- blurred vision
- Urinary retention
- Extrapyramidal effects (rare)
- Paradoxical excitation in children
Precautions
- Contraindicated in children under 2 years of age due to risk of fatal respiratory depression.
- Use with caution in elderly patients.
- Avoid concurrent use with alcohol
- sedatives
- or CNS depressants.
- Do not use in patients with respiratory impairment
- asthma
- or sleep apnea.
- May cause drowsiness — avoid driving or operating machinery.
- Use with caution in patients with epilepsy
- liver impairment
- or cardiovascular disease.
- Avoid use in pregnancy
- especially near term.
Indication
Promethazine is a first-generation antihistamine used to relieve allergy symptoms, nausea and vomiting, motion sickness, and as a sedative for pre-operative medication. It also has antiemetic properties.
Ingredients
- Promethazine hydrochloride 5 mg per 5 ml
Direction
Adults: 10–25 mg at bedtime or as directed. Children 2–12 years: 0.1 mg/kg per dose, up to a maximum of 12.5 mg per dose, 2–3 times daily as directed by a physician. Use the lowest effective dose for the shortest duration.
Side effects
- Drowsiness
- sedation
- Dizziness
- impaired coordination
- Dry mouth
- constipation
- blurred vision
- Urinary retention
- Extrapyramidal effects (rare)
- Paradoxical excitation in children
Precautions
- Contraindicated in children under 2 years of age due to risk of fatal respiratory depression.
- Use with caution in elderly patients.
- Avoid concurrent use with alcohol
- sedatives
- or CNS depressants.
- Do not use in patients with respiratory impairment
- asthma
- or sleep apnea.
- May cause drowsiness — avoid driving or operating machinery.
- Use with caution in patients with epilepsy
- liver impairment
- or cardiovascular disease.
- Avoid use in pregnancy
- especially near term.
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