Patient Leaflet Updated 24-Jul-2025 | Sigma Pharmaceuticals PLC (Special Concept Development / RxFarma)
Chlorphenamine 4mg Tablets
CHLORPHENAMINE 4mg TABLETS
Chlorhenamine Maleate
Always take this medicine exactly as described in this leaflet or as your doctor or pharmacist has told you.
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
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:
You must talk to a doctor if you do not feel better or if you feel worse.
Talk to your doctor or pharmacist before taking Chlorphenamine Tablets if you:
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:
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.
Chlorphenamine may make you feel drowsy, dizzy or have blurred vision. Make sure you are not affected before you drive or operate machinery.
If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
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.
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.
The tablets should be taken as instructed, swallowed with a glass of water.
The tablet can be divided into equal doses.
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.
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.
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:
These reactions are rare.
Very Common (affects more than 1 in 10 people)
Common (affects between 1 in 10 and 1 in 100 people)
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).
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.
The active ingredient is 4mg of Chlorphenamine Maleate.
The other ingredients are Lactose, Potato starch, Magnesium Stearate, Quinoline yellow (E104).
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.
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
HD House, Imperial Way, North Watford, Hertfordshire, WD24 4LQ, UK
+44 (0)800 358 0163
+44 (0)800 358 0163
http://www.sigmaplc.com/our-product-offerings/rxfa
+44 (0)800 358 0163