Provides detailed information on all antipsychotic drugs currently available in the UK.
Chlorpromazine (Largactil) is a first generation antipsychotic.
You can find detailed information about this drug in the official Patient Information Leaflet (PIL), including what it's for, how to take it, possible side effects and safety information. This leaflet should come with your medication (usually inside the box). You can also access it online as a PDF by clicking these links:
If a drug can come in different forms (such as tablets or liquid), there may be a separate PIL for each one. You should look at the PIL for the particular form and dose you've been prescribed. All PILs are available online on the electronic Medicines Compendium (eMC).
If you have any questions about your medication you can talk to your doctor, someone at your pharmacy or call NHS 111.
This information was published in September 2020. We will revise it in 2023.
References are available on request. If you would like to reproduce any of this information, see our page on permissions and licensing.