Oral dosage of phenergan

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Attention is drawn to the fact that many psychotropic and anti-histamine drugs are of the phenothiazine group, and a combination of both may lead to toxicity. Phenergan Promethazine HCl Rectal Suppositories are not recommended for children under 2 years of age. Phenergan Rating 84 User Reviews 8. Body temperature may fall during treatment with this product and special care should be exercised in this regard in the elderly.


Phenergan Promethazine HCl Suppositories are contraindicated for use in pediatric patients less than two years of age. Use with caution if benefits outweigh risks.

Anaphylaxis, jaundice and blood dyscrasias including haemolytic anaemia rarely occur. Promethazine is a phenothiazine derivative, which differs structurally from the antipsychotic phenothiazines by the presence of a branched side chain and no ring substitution.

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Excessive amounts of promethazine HCl relative to a narcotic may lead to restlessness and motor hyperactivity in the patient with pain; these symptoms usually disappear with adequate control of the pain. If your dose is different, do not change it unless your doctor tells you to do so. Available for Android and iOS devices. May cause orthostatic hypotension; use caution in patients at risk of experiencing hypotensive episodes cardiovascular disease, cerebrovascular disease, hypovolemia or taking medications that may predispose to bradycardia or hypotension.

Adjustment of dosage may be necessary to avoid postural hypotension, especially in the elderly. In general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal or cardiac function, and of concomitant disease or other drug therapy.

Drug Status

Dermatologic — Dermatitisphotosensitivityurticaria. Phenergan Promethazine HCl Suppositories should be used with caution in patients with bone-marrow depression. Prolonged treatment with this product may result in jaundice or blood dyscrasia necessitating regular monitoring of liver function and haemopoietic state.

Promethazine may lower the convulsion threshold. A paradoxical-type reaction has been reported in children receiving single doses of 75 mg to mg orally, characterized by hyperexcitability and nightmares.

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Histamine is a chemical in the body that causes the symptoms of an allergic reaction. Product subject to medical prescription which may not be renewed A. QL Quantity Limits Drugs that have quantity limits associated with each prescription. To be taken the night before travel and repeated every hours on the following day as required. Light Sedation promethazinediazepamValiumPhenerganmidazolamchlordiazepoxideMore Motion Sickness The average adult dose is 25 mg taken twice daily.