HeadMeds gives young people in the United Kingdom general information about medication. HeadMeds does not give you medical advice. Please talk to your Doctor or anyone else who is supporting you about your own situation because everyone is different. Please read more important details about our site.

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Chlorpromazine

Return to Chlorpromazine overview
  1. Use and Action
  2. Warnings and side effects
  3. Sex, drink, weight and everything else

An antipsychotic medicine helps to adjust the levels of dopamine and other chemicals available in your brain to help with the symptoms. Chlorpromazine reduces dopamine activity in key areas of the brain. This action also causes the extra release of the hormone prolactin.

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Chlorpromazine can be used to treat the following conditions

Headmeds fills the medicines information gaps for young people - things you might want to know about meds like will it affect my sex life? Can I still study? Can I drink?

Headmeds does not give medical advice so this is just general information.
Each medicine has a balance of good and bad effects, and each person gets their own individual effects.
You might want to know just one thing about your medicine, but on each page we have given you the ‘safety headlines’. Please read them as they are important.
We have included lots of information about each medicine - but if you want all the details, please look at the patient information leaflet - which is inside every pack. These leaflets are also at www.medicines.org.uk - where there will be the most up-to-date information.

The tablets contain lactose

The chlorpromazine tablets that you swallow may not be suitable for you if you have problems eating some sugars or dairy (milk-based) foods, as they contain lactose.

The oral syrup contains sugars, a small amount of alcohol, and some additives that can occasionally cause allergic reactions

  • The oral syrup contains some ingredients that might not be suitable for everyone to take:
    • sorbitol and sugars
    • methyl, ethyl and propyl parahydroxybenzoates - additives that cause allergies in some people
    • a small amount of alcohol, but not enough to cause a change in your blood levels

The oral solution contains sorbitol, aspartame, a small amount of alcohol, and some additives that may occasionally cause allergic reactions

  • The sugar-free oral solution contains some ingredients that might not be suitable for everyone to take:
    • sorbitol, which is a sugar that does not suit some people
    • aspartame, which is not suitable for people who have a condition called phenylketonuria
    • sunset yellow E110, an additive that causes allergies in some people
    • a small amount of alcohol, but not enough to cause a change in your blood levels

The injection contains some sulphites that can cause allergies in some people

  • The injection contains a small amount of sulphites that can cause allergies in some people.

Reference sources

Search www.medicines.org.uk to find patient information leaflets and prescribing information on chlorpromazine. Tablets, liquid and injection are listed separately. The SmPC lists all the inactive ingredients in the product so you can check against any allergies. If you are still unsure about this then speak to your pharmacist.

  • British National Formulary (BNF) and British National Formulary for children. Download the BNF/BNFC app (blue background) on to your mobile device. No longer available for public access via the web
  • Taylor D, Barnes T, Young A. Maudsley Prescribing Guidelines in Psychiatry, 13th edition. Oxford: John Wiley & Sons, May 2018. ISBN: 978-1-119-44260-8
  • Royal Pharmaceutical Society. Medicines Ethics and Practice (42nd edition). London: RPS, 2018. Standards for pharmacists to work to. It is not a free publication
  • World Anti Doping Agency WADA Prohibited List https://www.wada-ama.org/en/resources/science-medicine/prohibited-list-documents
  • Choiceandmedication; an independent source of information on many mental health conditions and their medicines with easy to read fact sheets www.choiceandmedication.org Personal subscriptions to download the app available for £1 per month (with proportionate discounts for longer periods) but your local mental health Trust may subscribe and provide information sheets for free.
  • Best Use of Medicines in Pregnancy (BUMPS). Information sheets on drugs in pregnancy http://www.medicinesinpregnancy.org/
  • Drugs and Lactation Database (LactMed). Information on drugs in breastfeeding https://toxnet.nlm.nih.gov/newtoxnet/lactmed.htm