Promethazine Hydrochloride 25mg | Pack of 56 Tablets
Price:
£12.95Promethazine Hydrochloride 25mg Tablets
Please note a Age-verification may be required following your first order
Promethazine tablets are designed to treat symptoms such as:
- Allergic reactions such as hay fever and rashes
- Travel sickness
- Insomnia
Promethazine is a drowsy antihistamine tablet.
How Promethazine works
Promethazine belongs to a group of medicines known as phenothiazines which work by blocking histamine, the natural substance produced in the body during an allergic reaction.
Warnings
Promethazine may be unsuitable for certain people. Do not take these tablets if allergic to any of the ingredients or if suffering from severe dizziness, drowsiness or headaches.
Talk to a doctor or pharmacist before taking this medicine if the intended user has:
- asthma or bronchitis
- epilepsy
- any severe heart problems or family history of heart disease
- an irregular heartbeat
- kidney problems
- liver problems
Directions
Always take Promethazine exactly as stated in the patient information leaflet or as a doctor / pharmacist has advised
NOT TO BE GIVEN TO CHILDREN UNDER 5yrs OLD
FOR SHORT-TERM USE ONLY
Dose
Allergies such as hay fever, hives and rashes
- Children over 10 years old and adults: Start by taking 1 tablet at night. If necessary, increase to 2 tablets a day.
- Children 5-10 years old: 1 tablet should be given at night. Do not give a child more than 1 tablet a day.
Nausea & vomiting
Children over 10 years old and adults: Take 1 tablet the night before a journey. If required, another dose can be taken 6-8 hours after the first.
Short-term sedative for children or short-term treatment for insomnia in adults
- Children over 10 years old and adults: 1-2 tablets should be taken at night.
- Children 5-10 years old: 1 tablet should be taken at night.
Side effects
Like all medicines, Promethazine may cause side effects in some people, but these won’t affect everybody.
Common side effects include:
- Blurred Vision
- Dry mouth
- Constipation
- Difficulty passing urine, especially in the elderly or children
- Drowsiness
- Dizziness
- Headaches
- Loss of appetite
- Nausea and vomiting
- Indigestion
- Increased sensitivity to the sun
- Skin rashes, including itching and red and raised lumps
If you experience any side effects, including any not included in the patient information leaflet, you can report them using the MHRA Yellow Card Scheme.
Serious side effects
Seek emergency medical attention in case of the following; any signs of a severe allergic reaction, symptoms of which include swelling of the face and throat, skin rash, breathing difficulties and/or loss of consciousness.
If any of the following side effects are experienced , stop taking the tablets and seek medical advice immediately:
- Yellowing of the skin and eyes (jaundice), as this could be an issue with the liver
- Muscle stiffness or shaking
- Unusual movements of the tongue, muscle spasms in the face, being unable to control facial muscles, rolling eyes and trembling
- A fast, irregular, forceful or uneven heartbeat
Using/taking other medicines
If taking or have recently taken any medication, including medication obtained without a prescription, talk to a GP or pharmacist before taking this product.
Do not take this medication if monoamine oxidase inhibitors (MAOIs) to treat depression have been taken in the last two weeks.
Tell a healthcare provider if taking the following medication:
- Tricyclic antidepressants e.g. ending with tyline or lepin
- Medicines to help sleep or feel more relaxed
- Pain relievers e.g. aspirin
- Anticholinergic medicines used for irritable bowel syndrome (IBS), asthma or a weak bladder
- Medicines for mental health e.g. antipsychotics
- Medicines to treat an irregular heartbeat
- Antimicrobials e.g. ending with mycin or oxacin
Age restrictions
You must be over 18 to purchase this medicine
NOT suitable for children under 5 years old.
Pregnancy and breastfeeding
This medication should not be taken 2 weeks before the due date. Do not take this product while breastfeeding. If pregnant or breastfeeding, or think you may be pregnant or are planning to have a baby, it is essential to ask a doctor or pharmacist for advice before taking any new medicine.
Alcohol
Do not drink alcohol whilst taking this medication.
Driving and operating machinery
This product can cause drowsiness. If affected, do not drive or operate machinery until it is safe enough to do so.
Storage information
Store below 25°C in a cool, dry place, away from light and out of sight and reach of children. Do not use after the expiry date, referring to the last day of the month stated on the packaging. Do not throw away any medicines via wastewater or household waste.
Important information
This product is a medicine; make sure to speak to a doctor or pharmacist before taking this product if there is an underlying medical problem or are taking any other medicine or complementary therapy. If symptoms get worse or continue after taking this product, contact a doctor. For medical services nearby, please refer to https://www.nhs.uk
If suffering from any allergies, ask a doctor or pharmacist if this medicine is suitable.
Store all medicines out of sight and reach of children.
Please read the included leaflet carefully before taking this product.

Promethazine Hydrochloride 25mg | Pack of 56 Tablets
Price:
£12.95