Tinidazole, sold under the brand name Tindamax among others, is a medication used against protozoan infections.

It is widely known throughout Europe and the developing world as a treatment for a variety of anaerobic amoebic and bacterial infections.

[2] It is on the World Health Organization's List of Essential Medicines.

Tinidazole is used to treat Helicobacter pylori, Amoebic dysentery, Giardia and Trichomonas vaginalis.

[4] Drinking alcohol while taking tinidazole causes an unpleasant disulfiram-like reaction, which includes nausea, vomiting, headache, increased blood pressure, flushing, and shortness of breath.