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Phenergan

£38.95

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Phenergan Description
Phenergan is a medicine used to ease nausea and stop vomiting.
It contains promethazine hydrochloride, which works by blocking histamine receptors in the brain.
Phenergan is usually taken by mouth one to two hours before you travel.

What is Phenergan?

Phenergan is a medication used to relieve nausea and motion sickness. It's commonly taken for everyday travel sickness and can also help reduce symptoms like vomiting and pain after surgery.

Nausea can be caused by a variety of things, such as acid reflux, migraine, or food poisoning. Figuring out the cause can help you avoid triggers or spot symptoms early on.

Phenergan contains promethazine hydrochloride, which is a type of medicine known as a phenothiazine. It helps by blocking histamine, a chemical your body makes too much of during an allergic reaction. So, in addition to treating nausea effectively, Phenergan is also used to ease allergy symptoms.

How does Phenergan work?

Phenergan reduces the impact of histamine by altering how brain chemicals function. Its active ingredient, promethazine, lessens the sensitivity of histamine receptors in the brain area linked to vomiting.

The tablets work by blocking these receptors, but they don't stop histamine from being released. This prevents the vomiting centre from being triggered by inflammation, which can help reduce nausea and relieve motion sickness.

What doses of Phenergan are there?

Phenergan is available in 10mg, 20mg, and 25mg doses. The amount you need will depend on how your nausea or motion sickness is impacting you. A healthcare professional can guide you on the right dose for you and the maximum amount you can take daily.

To help prevent motion sickness, it's generally advised to take 25mg of promethazine one to two hours before you set off. You might also take it the night before travelling. If you're uncertain about which tablet strength is right for you, feel free to ask us any questions. You can log into your account and send us a message whenever you need.

How long does it take Phenergan to work?

If your symptoms don't seem to improve, don't take more than the recommended dose. It's important to consult your doctor or healthcare professional if you have any concerns or questions.

For how long can I take Phenergan?

You shouldn't take Phenergan for more than seven days. If your symptoms haven't got better after a week, it's best to talk to your clinician. They will guide you on what to do next.

What should I do if I make a mistake when taking Phenergan?

If you accidentally take more Phenergan than recommended, it's important to get medical help straight away. If you miss a dose, don't take an extra one to make up for it. Simply take it when you remember, or if it's nearly time for your next dose, just skip the missed one.

Is Phenergan similar to any other treatments?

Phenergan is similar to other antihistamines used for nausea, like Buccastem M and Cyclizine. They all help with nausea and sickness but contain different active ingredients. Since antihistamines can affect people differently, you might find that one works better for you than another. It may take some trial and error to find the one that suits you best.

Which dose of Phenergan should I use?

The amount of Phenergan you need will generally depend on how bad your nausea or travel sickness is. Your doctor will decide this after you've had a consultation.

How effective is Phenergan?

Phenergan is seen as an effective treatment for nausea, much like other antihistamine medicines that address nausea.

Who is Phenergan for?

Phenergan contains promethazine, an antihistamine used to prevent and treat travel sickness in adults and children aged two and over. It is also used for allergies and short-term sleep problems.

It causes drowsiness, so you should not drive or operate machinery after taking it. It is not suitable for children under two.

Do I need a prescription for Phenergan?

You'll need a prescription to take Phenergan. This ensures the prescriber can confirm it's safe and appropriate for you. They'll also determine the right dose by considering how severe your symptoms are and what might be causing them.

Important Information

Phenergan isn't right for everyone, and there are a few things you should know when using it.

Here's all the official information about it. If anything isn't clear, please let our clinician know, and they can discuss it with you.

Always Read The Patient Information Leaflet

Medicines can cause side effects. Always read the leaflet that comes with your medication and report any side effects to your pharmacist.

Read the patient information leaflet on the emc

The electronic medicines compendium (emc) publishes the official leaflets for licensed UK medicines.

Meet our clinicians

Every online consultation is reviewed by one of our pharmacists before any medicine is supplied. Each clinician is registered with the General Pharmaceutical Council, and you can check their registration using the Verify link.

Oluwole Ososami

Superintendent Pharmacist and Independent Prescriber

Oluwole Ososami

Leads clinical governance at Westbury Chemist. Clinical interests include acute respiratory conditions, urinary tract infections and musculoskeletal conditions.

GPhC 2047506
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Syed Hossain

Pharmacist Independent Prescriber

Syed Hossain

Clinical interests include ear, nose and throat conditions, high blood pressure and weight management.

GPhC 2213769
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Henri Buadi

Pharmacist Independent Prescriber

Henri Buadi

Clinical interests include asthma, COPD and the management of long-term conditions.

GPhC 2059834
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