Description
Phenergan 25mg tablets, featuring promethazine hydrochloride, are a versatile antihistamine trusted to ease a wide range of ailments. Whether you’re seeking relief from allergies, need help with travel sickness, or struggle with short-term insomnia, Phenergan is a comprehensive solution for your needs.
Key Benefits & Features
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Multi-Purpose Relief: Effectively treats allergy symptoms such as hay fever, skin rashes, itching, runny nose, hives, and watery eyes.
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Eases Nausea & Travel Sickness: Prevents and relieves nausea, sickness, and vertigo associated with journeys.
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Short-Term Sleep Aid: Promotes restful sleep for adults suffering from temporary insomnia.
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Fast-Acting & Long-Lasting: Begins working within 20 minutes, with effects lasting 4–6 hours or longer.
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Suitable for Most Adults and Children 10+: (Not suitable for children under 6.)
How It Works
Phenergan is a sedating antihistamine. It blocks the action of histamine—a chemical released during allergic reactions. This alleviates discomfort while also acting on the brain to provide calming, anti-nausea, and sleep-inducing effects.
Directions for Use
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Allergies: Adults and children over 10: Take 1 tablet at night. If needed, increase to 2 tablets per day.
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Nausea/Travel Sickness: Take 1 tablet the night before travel; repeat after 6–8 hours if required.
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Insomnia: Adults: 1–2 tablets at night (short-term use, max 7 days; consult a pharmacist if symptoms persist).
Always swallow whole with water. Do not exceed the recommended dose. Consult your healthcare professional for personalised advice and use in unique situations.
Precautions & Side Effects
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May Cause Drowsiness: Avoid driving or operating machinery after use.
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Other Possible Effects: Dry mouth, blurred vision, dizziness, headache, sensitivity to sunlight, vivid dreams, or tiredness.
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Not Suitable For: Children under 6, people with certain medical conditions (consult the patient leaflet), or those allergic to promethazine.
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Interactions: Avoid alcohol and certain depression medications; check with your doctor before combining with other medicines.
Why Buy Phenergan 25mg from British Chemist?
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Genuine UK Pharmacy Stock: 100% authentic, with pharmacy support.
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Discreet & Fast UK Delivery: Convenient home delivery across the UK.
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Trusted Advice: Pharmacist review for safe, effective use.
Always read the patient leaflet before use. If symptoms persist or you experience severe side effects, consult your doctor or pharmacist.
Uses / Instructions
Always use this medicine exactly as described in this leaflet or as your doctor or pharmacist has told
you. Check with your doctor or pharmacist if you are not sure.
The amount you need to take depends on the reason you are taking Phenergan Tablets. The following
information will help you to decide how much you need to take.
Taking this medicine
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. If you feel the effect of your medicine is too weak or too strong, do not change the dose yourself, but ask your doctor or pharmacist how much to take.
The recommended dose is:
For allergies (such as hay fever, rashes and hives)
Children 2-5 years:
Phenergan Elixir should be given in this age group
Children 5-10 years:
• A single tablet (25mg) given at night
• DO NOT give more than 25mg each day
Children over 10 years and adults (including the elderly):
• Start with one tablet (25mg) taken at night
• This may be increased to a maximum of one tablet (25mg) twice a day if necessary
For treatment and prevention of feeling sick or being sick (such as travel sickness)
Children 2-5 years:
Phenergan Elixir should be given in this age group
Children 5-10 years:
Phenergan Elixir or Phenergan 10mg Tablets should be given in this age group
Children over 10 years and adults (including the elderly):
• A single tablet (25 mg) to be taken the night before the journey
• This may be repeated after 6-8 hours if necessary
As a short term paediatric sedative and for short term treatment of insomnia in adults
Children 2-5 years:
Phenergan Elixir should be given in this age group
Children 5-10 years:
A single tablet (25mg) given at night
Children over 10 years and adults (including the elderly):
One or two tablets (25mg-50mg) taken at night.
Use this medicine only as recommended. Do not exceed the recommended dose.
Warnings
Do not take this medicine if:
- The person taking the medicine is under 5 years of age
- You are allergic (hypersensitive) to promethazine hydrochloride or any of the other ingredients of Phenergan Tablets. The signs of an allergic reaction include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue.
- 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. If you are not sure ask your doctor or pharmacist
- The person is unconscious (in a coma) or suffers from severe dizziness, drowsiness or headache Do not take this medicine if any of the above applies to you. If you are not sure, talk to your doctor or pharmacist before taking Phenergan Tablets
Check with your doctor or pharmacist before taking your medicine if:
- You have difficulty breathing, wheezing, tightness in the chest (asthma) or an infection in your lungs (bronchitis)
- You have epilepsy
- You have any serious heart problems
- You have liver or kidney problems
- You have a stomach blockage or difficulty passing water (urine)
- You have hearing problems
- You have increased pressure in the eye (narrow angle glaucoma)
- You have had something called Reye’s Syndrome or possible Reye’s Syndrome signs include being sick and confused following a viral illness If you are not sure if any of the above apply to you, talk to your doctor or pharmacist before taking Phenergan Tablets.
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). If you are not sure ask your doctor or pharmacist.
Alcohol
- Do not drink alcohol while you are taking Phenergan Tablets. This is because it can affect the way the medicine works.
Pregnancy and breast-feeding
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- Talk to your doctor or pharmacist before taking this medicine if you are pregnant, might become pregnant, or think you may be pregnant.
- Phenergan Tablets should not be taken 2 weeks before birth.
- You should not take Phenergan Tablets if you are breast-feeding. This is because small amounts may pass into mothers’ milk. This can be harmful to your baby. If you are breast-feeding or planning to breast-feed, talk to your doctor or pharmacist before taking any medicine.
Driving and using machines
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- You may feel drowsy or sleepy after taking this medicine or in the morning after taking this medicine. If this happens, do not drive or use any tools or machines.
Lactose
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- Phenergan Tablets contains lactose: this is a type of sugar. If you have been told by your doctor that you cannot tolerate or digest some sugars (have an intolerance to some sugars), talk to your doctor before taking this medicine.
Talk to your doctor or pharmacist before taking Phenergan 10mg tablets if you are taking any prescribed medicines.
Side Effects
Like all medicines, Phenergan Tablets can cause side effects, although not everybody gets them.
Stop taking Phenergan Tablets and see a doctor or go to a hospital straight away if you notice
any of the following side effects:
– An allergic reaction. The signs may include: a rash, swallowing or breathing problems,
swelling of your lips, face, throat or tongue
– Liver problems that may cause the eyes or skin to go yellow (jaundice)
– Muscle stiffness or shaking
– Being unable to control some muscles in your head or face
– You notice unusual movements of the tongue, facial muscle spasms, rolling eyes and
trembling
– Very fast, uneven or forceful heartbeat (palpitations)
– Irregular heartbeat
– Tiredness which lasts for a long time. This may be due to a blood problem called anaemia
– Over-active behaviour in children
Tell your doctor or pharmacist if any of the following side effects get serious or lasts longer than
a few days. Also tell them if you notice any side effects not listed in this leaflet.
– Dry mouth, blurred vision or you cannot pass water (urine)
– Feeling drowsy or sleepy, tiredness, disorientation, having nightmares, headaches, feeling
restless
– Loss of appetite (anorexia), indigestion
– Feeling dizzy, lightheaded, faint (hypotension)
– Feeling confused, especially in elderly people
– Being more sensitive to the sun than usual. If this happens keep out of direct sunlight and do
not use sun lamps
– Unpleasant sensation or an overwhelming urge to move the legs (also called Restless Legs
Syndrome)
Ingredients
Each tablet contains 25mg of the active substance, promethazine hydrochloride. The other ingredients are lactose, maize starch, povidone, magnesium stearate, polyethylene glycol, Opaspray (contains titanium dioxide-E171,
