PRECAUTIONS: Before using timolol/dorzolamide, tell your doctor or pharmacist if you are allergic to these drugs; or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: lung disease (e.g., current or past history of asthma, severe chronic obstructive pulmonary disease), certain types of irregular heartbeats (e.g., sinus bradycardia, second or third degree AV block), certain types of heart disease (e.g., severe heart failure).Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney disease, kidney stones, liver disease, diabetes, overactive thyroid disease, muscle weakness disorders, low blood flow to the brain (cerebrovascular insufficiency), severe allergies.If you develop an eye infection or injury, or have eye surgery, check with your doctor about whether you should continue to use your current bottle of timolol/dorzolamide. You may be advised to start using a new bottle.Before having surgery, tell your doctor or dentist that you are using this medication.If you have diabetes, this product may prevent the fast/pounding heartbeat you would usually feel when your blood sugar level falls too low (hypoglycemia). Other symptoms of low blood sugar, such as dizziness and sweating, are unaffected by this drug.This drug may cause temporary blurred vision. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely.This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.This drug passes into breast milk. Consult your doctor before breast-feeding.
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