Cetrimide

Cetrimide, a quaternary ammonium compound, is a mixture consisting mainly of trimethyltetradecylammonium bromide. Cetrimide and which contains small amounts of dodecyl and hexadecyl trimethyltetradecyl ammonium bromide. Cetrimide is used medically as an aqueous antiseptic (0.005-0.01%), especially in ophthalmology and in ENT medicine.

The spectrum of activity of Cetrimide does not include all types of bacteria that can be important in the eye. But it is effective against viral fungi.

The adverse effects of cetrimide are comparable to those of benzalkonium chloride. When applying eye drops containing cetrimide, taste irritations may occur.