Indications:
- Potent long-acting antihistamine with additional anti-emetic and sedative/calming effects.
- Indicated in symptomatic treatment of allergic conditions of the respiratory tract and skin. Sensitization reactions to drug or foreign proteins, anaphylactic reactions.
- For sedation, allergic rhinitis, urticaria and insomnia.
- As an adjunct in pre-operative sedation in surgery and obstetrics.
- As a paediatric sedative.
Dosage & Administration:
Adults: Initial dose one 25 mg tablet at night; may be increased to two or three 25 mg tablets at night if necessary. In allergic conditions more frequently administration, twice or three times daily, may be necessary, starting with one or two 10 mg tablets and increasing as required.
Elderly: No specific dosage recommendations.
Children: They may be treated more conveniently by the elixir containing 5 mg/5 ml. As an antihistamine in allergy:
lower dose stated should be given. As a sedative:
Elderly: No specific dosage recommendations.
Children: They may be treated more conveniently by the elixir containing 5 mg/5 ml. As an antihistamine in allergy:
- Children of 2-5 years: 5-15 mg
- Children of 5-10 years: 10-25 mg
lower dose stated should be given. As a sedative:
- Children of 2-5 years: 15-20 mg
- Children of 5-10 years: 20-25 mg
- Given as a single night-time dose
Side Effects:
Nervous system disorders: Frequency Unknown: Neuroleptic Malignant Syndrome Very rare cases of allergic reactions, including urticaria, rash, pruritus, and anaphylaxis, have been reported.
For systemic formulations only: A very serious and sometimes deadly health problem called neuroleptic malignant syndrome (NMS) may happen. Stop treatment and call your doctor right away if you have high fever, muscle cramps or stiffness, dizziness, very bad headache, fast heartbeat, confusion, agitation, hallucinations, or are sweating a lot.
For systemic formulations only: Use this drug only as recommended. Do not exceed the recommended dose. There have been case reports of promethazine abuse. Do not take for longer than 10 days.
For systemic formulations only: A very serious and sometimes deadly health problem called neuroleptic malignant syndrome (NMS) may happen. Stop treatment and call your doctor right away if you have high fever, muscle cramps or stiffness, dizziness, very bad headache, fast heartbeat, confusion, agitation, hallucinations, or are sweating a lot.
For systemic formulations only: Use this drug only as recommended. Do not exceed the recommended dose. There have been case reports of promethazine abuse. Do not take for longer than 10 days.