Dimerid

Dimerid is a brand name for an antiparasitic medication that contains the active ingredient dimetridazole. Dimetridazole is a nitroimidazole derivative, a class of drugs known for their antimicrobial properties. It has been used in veterinary medicine, particularly in poultry, to prevent and treat infections caused by protozoan parasites such as histomoniasis (blackhead disease) and trichomoniasis.

The mechanism of action of dimetridazole is believed to involve the reduction of its nitro group within the parasite's cell, forming toxic intermediates that damage DNA and other essential cellular components, ultimately leading to parasite death. While effective, concerns regarding potential residues in edible tissues and the development of resistance have led to restrictions or bans on its use in food-producing animals in many countries, including the European Union and the United States.

In some regions, dimetridazole might still be available for specific veterinary applications or in certain animal species where regulatory oversight permits. It is crucial for veterinarians to adhere to current regulations and guidelines regarding its use, dosage, and withdrawal periods to ensure food safety and minimize the risk of antimicrobial resistance. The use of dimetridazole requires a prescription from a qualified veterinarian.