Below is a text only representation of the Patient Information Leaflet (ePIL).
The text only version may be available in large print, Braille or audio CD.
For further information call emc accessibility on
0800 198 5000.
The product code(s) for this leaflet is: PL 36722/0056.
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Always take this medicine exactly as described in this leaflet or as your doctor or pharmacist has told you.
Keep this leaflet. You may need to read it again.
Ask your pharmacist if you need more information or advice.
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.
You must talk to a doctor if you do not feel better or if you feel worse.
What is in this leaflet:
1. What Chlorphenamine Tablets are and what they are used for 2. What you need to know before you take Chlorphenamine Tablets 3. How to take Chlorphenamine Tablets 4. Possible side effects 5. How to store Chlorphenamine Tablets 6. Contents of the pack and other information
1. What Chlorphenamine Tablets are and what they are used for
The name of your medicine is Chlorphenamine 4mg Tablets.
The active ingredient is Chlorphenamine maleate, an antihistamine which can help to relieve the symptoms of some allergies and itchy skin rashes. It can be used to treat the itchiness, redness, swelling, tenderness and irritation that can be caused by:
hayfever and other allergies e.g. pet, house dust mite and mould spore allergies
nettle rash and hives
skin allergies and dermatitis
prickly heat and heat rash
reactions to food, food additives or medicines
insect bites and stings
the itchy rash of chickenpox
You must talk to a doctor if you do not feel better or if you feel worse.
2. What you need to know before you take Chlorphenamine Tablets
Do not take Chlorphenamine Tablets if you:
are allergic to Chlorphenamine or any other antihistamines or any other ingredients of this medicine (listed in section 6)
have taken medicines for depression known as monoamine oxidase inhibitors (MAOls, for example phenelzine) within the last 14 days.
Warnings and precautions
Talk to your doctor or pharmacist before taking Chlorphenamine Tablets if you:
suffer from epilepsy and are taking anticonvulsant drugs such as phenytoin
have increased pressure in the eye (glaucoma)
have an enlarged prostate gland
have high blood pressure or are being treated for high blood pressure
have heart, liver or kidney disease
have bronchitis, asthma or bronchiectasis or chronic lung disorders (difficulty in breathing and cough that won’t go away).
Other medicines and Chlorphenamine Tablets
Please tell your doctor or pharmacist if you are taking, or have recently taken any other medicines, including medicines obtained without a prescription, particularly the following:
Other antihistamines, including antihistamine containing cough and cold medicines, that may make you sleepy
Sleeping tablets, medicines for anxiety, antidepressants
Pheny1oin (for epilepsy)
Chlorphenamine Tablets with food and drink and alcohol
You are advised NOT to drink alcohol with this medicine.
Pregnancy and breast-feeding and fertility
Do not take Chlorphenamine Tablets if you are pregnant, planning to become pregnant, or are breast-feeding, unless directed by your doctor.
Ask your doctor or pharmacist for advice before taking any medicine.
Driving and using machines
Chlorphenamine may make you feel drowsy, dizzy or have blurred vision. Make sure you are not affected before you drive or operate machinery.
Chlorphenamine Tablets contain Lactose
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
3. How to take Chlorphenamine Tablets
Always take 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 recommended dose is:
Adults and children aged 12 years and over:
Take one tablet every 4 to 6 hours as needed. Do not take more than 6 tablets in 24 hours.
Children aged 6 to 12 years:
Give 1/2 tablet every 4 to 6 hours as needed. Do not give more than 6 half tablets in 24 hours.
Elderly:
Talk to your doctor or pharmacist before you take this medicine as you may be more likely to get side effects including confusion and you may need to take a lower daily dose.
Maximum daily dose: 3 tablets (12 mg) in any 24 hours.
Do not take more than the recommended dose.
Do not give to children under 6 years.
The minimum time interval between doses should be 4 hours.
Do not use continuously for more than 14 days without consulting a doctor.
Method of administration
The tablets should be taken as instructed, swallowed with a glass of water.
The tablet can be divided into equal doses.
If you take more Chlorphenamine Tablets than you should
Contact your nearest hospital casualty department, or tell your doctor immediately. Take any remaining tablets and the pack with you. Do not drive if you have taken too many tablets.
If you forget to take Chlorphenamine Tablets
Take one as soon as you remember, unless it is nearly time to take the next one.
Do not take a double dose to make up for a forgotten dose.
If your symptoms persist, see your doctor.
4. Possible side effects
Like all medicines,Chlorphenamine Tablets can have side effects, but not everybody gets them.
Children and older people are more prone to side effects.
Stop using this product and consult your doctor if you experience:
Allergic reaction which can be severe. Signs include:
Raised and itchy rash (hives)
Swelling, sometimes of the face or mouth causing difficulty in breathing
Collapse
These reactions are rare.
Possible side effects:
Very Common (affects more than 1 in 10 people)
drowsiness and sedation
Common (affects between 1 in 10 and 1 in 100 people)
disturbance in concentrating, un-coordination, dizziness, headache
blurred vision
feeling or being sick, dry mouth
fatigue
Other side effects may include: allergic reactions, swelling of the skin, loss of appetite, confusion, excitation, irritability, nightmares, low blood pressure, thickening of phlegm, vomiting, abdominal pain, diarrhoea, indigestion or upset stomach, itchy skin, rash, sensitivity to the sun, muscle twitching, muscle weakness, difficulty passing water, chest tightness, low blood count, bruising, hepatitis (severe stomach pain, nausea or vomiting and loss of appetite and/orjaundice (yellow colouring of the skin or the whites of the eyes).
Reporting of side effects
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
5. How to store Chlorphenamine Tablets
Keep this medicine out of the sight and reach of children.
Do not store above 25°C. Store in the original package for blister packs. Keep the container tightly closed for containers.
Do not use this medicine after the expiry date which is stated on the carton or label. The expiry date refers to the last day of that month.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
6. Contents of the pack and other information
What Chlorphenamine Tablets contain
The active ingredient is 4mg of Chlorphenamine Maleate.
The other ingredients are Lactose, Potato starch, Magnesium Stearate, Quinoline yellow (E104).
What Chlorphenamine Tablets look like and contents of the pack
These tablets are pale yellow, uncoated, biconvex tablet with debossed "Rx" & breakline on one side and " 4" on other side.
Chlorphenamine Tablets are supplied in containers of 100, 500, 1000 and blister packs of 28, 30 and 60. Not all pack sizes may be marketed.
Marketing Authorisation Holder
RxFarma Colonial Way Watford Hertfordshire WD24 4YR
Manufacturer
RX Farma Limited Unit 3 Colonial Way Watford Hertfordshire WD24 4YR United Kingdom
This leaflet was last revised in June 2025
To request a copy of this leaflet in Braille, large print or audio format, please contact the licence holder at the address above.
PL 36722/0056 - 0024
18/06/2025
Sigma Pharmaceuticals PLC (Special Concept Development / RxFarma)
Address
HD House, Imperial Way, North Watford, Hertfordshire, WD24 4LQ, UK