Tetrahydrozoline ophthalmic is used to relieve redness, burning, irritation, and dryness of the eyes caused by wind, sun, and other minor irritants.
Tetrahydrozoline ophthalmic may contain a preservative (benzalkonium chloride), which may cause discoloration of contact lenses.
Tetrahydrozoline ophthalmic is in the FDA pregnancy category C. This means that it is not known whether tetrahydrozoline ophthalmic will be harmful to an unborn baby.
Tetrahydrozoline is used to relieve minor eye irritation and redness caused by colds, pollen, and swimming.
If the brand of tetrahydrozoline you are taking contains benzalkonium chloride, wait at least 15 minutes after using the medicine to put in soft contact lenses.
Although side effects from tetrahydrozoline are not common, they can occur.