Not yet medically reviewed, information on this site is in preparation and has not been verified by a medical reviewer.
Legality · DXM

Is DXM legal in United Kingdom?

Confirmed against a primary sourceVerified July 14, 2026
Legal status
Over-the-counter cough medicine, NOT a controlled drug (not scheduled under the Misuse of Drugs Act 1971). Single-ingredient dextromethorphan (DXM) linctus is a Pharmacy (P) medicine sold under pharmacist supervision; the MHRA restricted paediatric OTC cough medicines to pharmacy supply (ages 6-12), while some lower-dose combination products remain General Sale List (GSL).
Consequences if caught
No Misuse of Drugs Act offence for DXM; supplying it outside the P/GSL framework is a medicines-regulatory offence under the Human Medicines Regulations 2012.
If prescribed or medical
Cough-suppressant status: OTC — Pharmacy (P) medicine for single-ingredient DXM, some GSL combinations; no prescription required.
Documentation
Travellers can buy DXM cough medicine at a UK pharmacy without a prescription; single-ingredient linctus is kept behind the pharmacy counter.
Primary source

Court records

We have applied to The National Archives for the licence required to analyse Find Case Law records, and will publish outcomes once it is determined.

Source checked Find Case Law, The National Archives · 2026-08-26

DXM in related jurisdictions

Other substances confirmed in United Kingdom