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What should I know about timolol maleate ophthalmic solution before taking?

Before taking timolol maleate ophthalmic solution (Timoptic), you should know that it can be absorbed into the bloodstream through the eyes, so it can interact with other medications. For example, dangerously low blood pressure or slow heart rate can occur when timolol is taken in combination with beta-blockers -- such as carvedilol (Coreg), metoprolol (Lopressor), atenolol (Tenormin), propranolol (Inderal), and sotalol (Betapace) -- or calcium channel blockers -- such as amlodipine (Norvasc), diltiazem (Cardizem), nifedipine (Procardia), verapamil (Calan). Tell your doctor about all prescription and over-the-counter (OTC) drugs you are taking to see if timolol is right for you.

Your doctor should also know if you have a history of second or third degree heart block, sinus bradycardia (slow heart rate), heart failure, or other cardiovascular (heart and blood vessel) disease; asthma, emphysema, COPD (chronic obstructive pulmonary disease), or another respiratory illness; or diabetes. Finally, keep in mind that timolol can sometimes cause vision to blur so be cautious while driving.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.