Under Article 75 of the Schengen Implementing Convention, it is permissible to transport drugs and psychotropic substances needed as part of medical treatment if the person concerned has a certificate issued by a competent authority (1).

However, Schengen provisions do not lay down a list of medicines for which persons travelling in the Schengen area need a special certificate.

Article 75 refers to the medicinal products mentioned in international conventions on drugs (1961 Single Convention on Narcotic Drugs, 1971 Convention on Psychotropic Substances) or which contain substances referred to in these conventions which are also governed by the national law on drugs. Under these Conventions, additional substances can be subjected to the checks laid down by national law on drugs. Consequently, lists of products which constitute or contain narcotic drugs or psychotropic substances may vary from one Member State to another.