Livostin is the trade name of a prescription medication available in the Canada and the US.

It comes in the form of eye drops, and contains as an active ingredient the drug levocabastine. Levocabastine is an antihistamine which can be useful in relieving the itchy, watery eyes caused by allergies.

Most allergic reactions have to do with a chemical called histamine, which is something that your body produces naturally in response to foreign organisms in the environment. Some organisms