Some over-the-counter cold remedies will be limited to one pack per customer from April because of fears they can be used to make a class A drug.
Consumers will no longer be able to buy nasal decongestants containing more than 720mg of pseudoephedrine (the equivalent of 12 tablets of 60mg or 24 capsules of 30mg) and 180mg ephedrine without a prescription.
The Medicines and Healthcare products Regulatory Agency (MHRA) is restricting sales of products containing pseudoephedrine and ephedrine after launching a public consultation last year.
Police said that the medicines have been used to make highly addictive methlamphetamine or ‘crystal meth’.
Dr. June Raine, Director of Vigilance and Risk Management of Medicines at the MHRA, said: ‘The MHRA is introducing these measures as promptly as possible to protect the public health. All stakeholders are working together to ensure the controls are effective and an Expert Group is carrying out a programme of work to monitor the situation.’