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Home | Prescription Drugs | Phenergan

Phenergan (Promethazine)

Drug:Phenergan 1ml X 10 Amps
Mfr.:Sanofi Aventis
Country:United Kingdom
Dosage:2.5 %
Pendopharm Pharmascience
50 mg
Drug:Phenergan Elixir
Mfr.:Sanofi Aventis
Country:United Kingdom
Dosage:100 ml
Phenergan Elixir
Sanofi Aventis
United Kingdom
100 ml
Dosage:10 mg
25 mg
Dosage:25 mg


Phenergan Tablets (Promethazine) contain a medicine called promethazine hydrochloride. This belongs to a group of medicines called phenothiazines. It works by blocking a natural substance (histamine) that your body makes during an allergic reaction. It also works directly on the brain to help you feel more relaxed. Phenergan Tablets are used to treat the following conditions: for short term use: to treat adults with diffculty sleeping (insomnia), to treat allergic conditions such as hay fever or rashes (like nettle rash or hives), to treat or stop you feeling sick (nausea) or being sick (vomiting) such as travel sickness, for short term use: as a sedative for children aged 5 years and above. Take this medicine by mouth. Do not take for longer than 7 days. If your symptoms worsen or do not improve after 7 days talk to your doctor or pharmacist. Phenergan is often taken at bedtime or before meals. For motion sickness, Phenergan is usually started within 1 hour before traveling. When used for surgery, Phenergan is usually taken the night before the surgery. Phenergan Tablets can make your skin more sensitive to sunlight. Keep out of direct sunlight while taking this medicine. Use this medicine only as recommended.

Manufacturer Information

Canadian Pharmacy King currently offers Phenergan (Promethazine) from Canada also called Histantil manufactured by Pendopharm Pharmascience. We also carry the brand Phenergan Ampoules and Phenergan Elixir from the United Kingdom by Sanofi Aventis. The generic Promethazine comes from India by a different manufacturer. Brand Phenergan is available in the strength of 50 mg tablets, 2.5% ampoules, and 100 ml elixir. The generic Promethazine comes in the strength of 10 mg and 25 mg tablets.

Side Effects

The common side effects of Phenergan may include dry mouth, blurred vision, difficulty in urinating, feeling drowsy, tiredness, disorientation, having nightmares, headaches, feeling restless, loss of appetite, indigestion, dizziness, lightheaded, faint (hypotension), feeling confused, being more sensitive to the sun than usual, unpleasant sensation or an overwhelming urge to move legs. Contact your doctor right away if you have any of the following symptoms:

• An allergic reaction;
• Being unable to control some muscles in your head or face;
• Irregular heartbeat;
• Liver problems that may cause the eyes or skin to go yellow (jaundice);
• Muscle stiffness or shaking;
• Over-active behaviour in children;
• Tiredness which lasts for a long time;
• Very fast, uneven or forceful heartbeat (palpitations)

This is not a complete list of side effects and others may occur. Please call your doctor if you have any further concerns or questions.

Customer Precautions

Do not take this medicine if: the person taking the medicine is under 5 years of age, you are allergic to promethazine hydrochloride, you are taking a medicine for depression called a monoamine oxidase inhibitor (MAOI). Also do not take Phenergan Tablets if you have stopped taking one of these MAOI medicines within the last 14 days. Check with your doctor or pharmacist before taking your medicine if you: are lactose intolerant, are pregnant or breast feeding or if you have: difficulty breathing, wheezing, asthma or an infection in your lungs, epilepsy, any serious heart problems, liver or kidney problems, have a stomach blockage or difficulty passing water, hearing problems, increased pressure in the eye, had something called Reye’s Syndrome or possible Reye’s Syndrome signs include being sick and confused following a viral illness. Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines you can buy without prescription. Do not take this medicine, and tell your doctor, if you are taking or have taken the following in the last 2 weeks: some medicines for depression called monoamine oxidase inhibitors (MAOIs), anticholinergic medicines that includes some medicines used for irritable bowel syndrome, asthma or weak bladder; medicines for depression (such as amitriptyline); medicines to help you to sleep or feel more relaxed, medicines such as aspirin. Do not drink alcohol while you are taking Phenergan. Phenergan should not be taken 2 weeks before birth or if you are breast-feeding. This is because small amounts may pass into mothers’ milk.

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The generic alternative is not manufactured by the company that makes the brand product.

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