Your eye doctor will want to examine your eyes at regular visits to make sure that the medicine is working properly and is not causing unwanted effects.
If itching, redness, swelling, or other signs of eye or eyelid irritation occur, check with your doctor. These signs may mean that you are allergic to bimatoprost.
Check with your doctor if you have an injury, trauma, or infection in your eye or if you are scheduled to have an eye surgery. Your doctor may want you to use a fresh bottle of bimatoprost in case the present bottle has become contaminated during use.
If you are using this medication for eyelash growth, be careful to apply as directed and wipe off any excess that comes into contact with other skin areas. There is a potential for hair growth in other areas this medicine comes into contact with.
While you are using bimatoprost, the iris (colored part) of your treated eye(s) may slowly become more brown in color. The change in color of the iris is noticeable usually within several months or years from the start of treatment with bimatoprost. In addition, there may be a darkening of the eyelid skin color. Also, your eyelashes may become longer, thicker, and darker. These changes to the iris, eyelid, and lashes may be permanent even if you stop using bimatoprost. Also, these changes to the iris, eyelid, and lashes will affect only the eye being treated with bimatoprost. Therefore, if only one eye is being treated, only that eye may develop darker iris, eyelid, and eyelashes and other changes to the eyelashes, and you may have differently appearing eyes. Check with your doctor if you have any questions about this.