dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)

Brand Names: Cosopt, Cosopt PF

Generic Name: dorzolamide and timolol ophthalmic

What is dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

Dorzolamide and timolol ophthalmic (for the eyes) is a combination medicine used to treat certain types of glaucoma and other causes of high pressure inside the eye.

Dorzolamide and timolol ophthalmic may also be used for purposes not listed in this medication guide.

What are the possible side effects of dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

Stop using this medicine and get emergency medical help if you have signs of an allergic reaction (hives, severe itching, dizziness, sweating, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).

Serious side effects may occur if the medicine is absorbed into your bloodstream.

This medicine can cause serious breathing problems or heart failure. Get medical help if you have:

  • fast, slow or pounding heartbeats;
  • wheezing;
  • shortness of breath; or
  • swelling in your lower legs, rapid weight gain.

Call your doctor at once if you have:

  • worsening muscle weakness;
  • eye redness or swelling;
  • droopy eyelids, vision problems; or
  • damage to your cornea (the clear layer in front of the iris and pupil)--eye redness, watery eyes, decreased vision, increased sensitivity to light.

Common side effects may include:

  • a bitter or unusual taste in your mouth after using the eye drops;
  • blurred vision;
  • watery eyes; or
  • redness, burning, stinging, or itching in your eyes.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

This medicine can cause serious breathing problems or heart failure. Get medical help if you have shortness of breath, pounding heartbeats, swelling in your lower legs, or rapid weight gain.

What should I discuss with my healthcare provider before using dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

You should not use this medicine if you are allergic to dorzolamide or timolol, or if you have:

Tell your doctor if you have ever had:

  • breathing problems;
  • an allergy to sulfa drugs;
  • a genetic disposition for allergic reactions, or if you've had a severe allergic (anaphylactic) reaction;
  • muscle weakness, myasthenia gravis;
  • a thyroid disorder;
  • liver or kidney disease;
  • diabetes; or
  • if you plan to have surgery.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

You should not breastfeed while using this medicine.

Do not use this medicine in a child younger than 2 years old.

How should I use dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Do not use while wearing soft contact lenses. A preservative in this medicine could permanently stain the lenses. Use the medicine at least 15 minutes before inserting your contact lenses.

Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.

Wash your hands before using eye medication.

Use only the number of drops your doctor has prescribed. Wait at least 5 minutes before using any other eye drops your doctor has prescribed.

Do not touch the tip of the eye dropper or place it directly on your eye. A contaminated dropper can infect your eye, which could lead to serious vision problems.

Tell your doctor right away if you have any eye injury or infection, or if you need surgery (especially eye surgery).

Store at room temperature away from moisture, heat, and light. Do not use after the medicine's expiration date has passed.


What causes dry eyes? See Answer

What happens if I miss a dose (Cosopt, Cosopt PF)?

Use the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not use two doses at one time.

What happens if I overdose (Cosopt, Cosopt PF)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Certain symptoms may occur if this medicine is absorbed into your bloodstream. This includes dizziness, muscle pain or weakness, numbness or tingling, trouble breathing, slow heartbeats, or fluttering in your chest.

What should I avoid while using dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

This medicine may cause blurred vision and may impair your reactions. Avoid driving or hazardous activity until you know how this medicine will affect you.

Do not use other eye medications unless your doctor tells you to.

What other drugs will affect dorzolamide and timolol ophthalmic (Cosopt, Cosopt PF)?

Many drugs can interact with dorzolamide and timolol, and using certain other drugs at the same time is not recommended. Tell your doctor about all your other medicines including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.

Where can I get more information (Cosopt, Cosopt PF)?

Your pharmacist can provide more information about dorzolamide and timolol ophthalmic.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Health Solutions From Our Sponsors

Reviewed on 10/12/2022

Health Solutions From Our Sponsors