Tetryzoline is used in the treatment of allergic disorders.

Tetryzoline belongs to a class of drugs known as sympathomimetic amines. It works by shrinking swollen blood vessels in the eye, thereby reducing redness and irritation..

Systemic hypertension (high blood pressure), Insomnia (difficulty in sleeping)

• Avoid contact of tetryzoline eye drops with nose, mouth, or other mucous membranes.
• Do not use tetryzoline eye drops if the solution becomes cloudy or changes colour.
• Tell your doctor if you have any eye disease such as narrow-angle glaucoma or eye infection, heart disease, high blood pressure, or an overactive thyroid gland.
• Tell your doctor if you are having surgery, including dental surgery. You may have to stop using tetryzoline eye drops for a short time.
• If you wear contact lenses, always remove them before using tetryzoline eye drops and wait at least 15 minutes before reinserting them.
• Tetryzoline eye drops may cause blurred vision. Do not drive, operate machinery, or do anything else that could be dangerous unless you can see clearly.
• Do not use tetryzoline eye drops for longer than 3 days. Using too much of tetryzoline eye drops may increase redness of the eye.
• Tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding.

Ques. Q. How does Tetryzoline work?
Tetryzoline works by shrinking swollen blood vessels in the eye, thereby reducing redness and irritation

Ques. Q. Is Tetryzoline safe?
Tetryzoline is is safe if used at prescribed doses for the prescribed duration as advised by your doctor.