An authorised veterinary medicine is one that has a Marketing Authorisation (MA) from the Veterinary Medicines Directorate (VMD). The active ingredients and MA number must be listed on the label (VMD – Information contained on a label) and the product will be listed as a UK authorised ‘Veterinary Medical Product’ on the VMD Product Information Database. 

Veterinary Medicinal Products areany substance or combination of substances presented as having properties for treating or preventing disease in animals. In addition;  any substance or combination of substances that may be used in, or administered to, animals with a view either to restoring, correcting or modifying physiological functions by exerting a pharmacological, immunological or metabolic action, or to making a medical diagnosis are also defined as veterinary medicinal products and must have a Marketing Authorisation.

UK authorised Veterinary Medicinal Products can be identified by the prefix Vm, EU or Vh followed by numbers.