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Dorzolamide and timolol ophthalmic

Generic name: Dorzolamide and Timolol Ophthalmic Solution [dor-ZOLE-a-mide-and-TYE-moe-lol-off-THAL-mik] should only be administered ophthalmically.
Brand names: Cosopt, Cosopt PF
Dosage forms: an ophthalmic solution (2.233%-0.688% (2%-0.5% base); this form also comes preservative free).
Class of drugs: Ophthalmic agents for glaucoma

What is Dorzolamide and timolol ophthalmic?

Dorzolamide (for eyes) and timolol are combination medications used to treat some types of glaucoma as well as other causes of increased pressure in the eye. This medication guide does not list all possible uses for timolol and dorzolamide.

Side effects of Dorzolamide and timolol ophthalmic

If you experience any of the following symptoms: severe allergic reactions (such as hives, itching, difficulty breathing, dizziness, or sweating); severe skin reactions (such as a fever, sore neck, and burning eyes); or skin pain or blistering or peeling skin, stop using this medication. If the medication is absorbed in your bloodstream, it may cause serious side effects.

The medicine you are taking can lead to serious heart problems and breathing difficulties.

  • Heartbeats that are fast, slow, or pounding
  • Wheezing;
  • Shortness of breath
  • Swelling in your lower legs and rapid weight gain.

Dorzolamide or timolol eye drops can cause severe side effects. You should call your doctor immediately if:

  • Worsening muscle weakness;
  • Redness of the eye swelling or swollen;
  • Droopy Eyelids and Vision Problems
  • Damage to the cornea (the transparent layer that lies in front of the iris and pupil), eye redness, reduced vision, and increased sensitivity to light

Some of the common side effects associated with dorzolamide or timolol eye drops include:

  • After using eye drops, you may experience a strange or bitter taste.
  • Blurred vision
  • Watery Eyes
  • Redness, burning, or itching of the eyes

There may be other side effects.Call your physician if experiencing side effects. For medical advice about possible adverse reactions. Report side effects by calling the FDA at 1-800-FDA-1088.

Similar/related drugs

Epinephrine for ophthalmic use, Latanoprost Ophthalmic, Timolol for ophthalmic use, Brimonidine for ophthalmic use, Pilocarpine Ophthalmic, Lumigan, and Combigan


If you experience shortness of breath, rapid heartbeats, or swelling in the lower legs, or if your weight increases rapidly, seek medical attention.

Before you take this drug

Do not use this ophthalmic combination if:

  • A history of asthma
  • Chronic bronchitis or emphysema
  • Slow heartbeat;
  • Heart block (AV block) (2nd or third degree);
  • Heart muscle damage, such as that caused by an attack.

If you've ever:

  • Breathing problems
  • Sulfa Drugs:
  • If you have a history of severe (anaphylactic), allergic reactions, or genetic predisposition,
  • Muscle weakness, myasthenia gravis;
  • A thyroid condition;
  • Liver or kidney disease
  • Diabetes;
  • If you are planning to undergo surgery,

This medicine is unknown to cause harm to an unborn child. Inform your doctor of any pregnancy or plans to get pregnant. Breastfeeding mothers should avoid taking this medicine. This medicine should not be given to a child under 2 years of age.

How to take Dorzolamide and timolol ophthalmic?

Read all the instructions or guides that come with your medication and follow all the directions. Follow the directions on your prescription label. Use only when wearing soft lenses. This medicine contains a preservative that could stain lenses permanently. You should wait at least 15 minutes before inserting contact lenses after taking the medication. Please read and follow all instructions for use that come with your medication. If you don't understand the instructions, ask your pharmacist or doctor. Before using any eye medications, wash your hands. Only use the drops prescribed by your doctor. Use the prescribed eye drops at least five minutes after using them. Avoid touching the tip or placing it on the eye. If the dropper is contaminated, it can cause serious eye problems. If you experience any type of eye injury, infection, or need to undergo surgery (especially eye surgery), you should tell your doctor immediately.Keep away from heat, moisture, and light. After the expiration date, do not take any medicine.

What happens if I miss the dose?

If you are almost due for the next dose, skip the dose that was missed. Never take two doses of the same medicine at once.

What happens if I overdose?

Call 1-800-222-1222 for poison help or seek immediate medical attention. If dorzolamide or timolol is absorbed in your bloodstream, certain symptoms can occur. Dizziness, muscular pain, weakness, numbness, and tingling are some of the symptoms.

What should be avoided?

You may experience blurred vision or impaired reactions. Do not drive or engage in hazardous activities until you have determined how the medicine affects you. You should only use eye drops prescribed by your physician.

Interaction with other drug

It is important to tell your doctor about all other medications you are taking, including prescription and over-the-counter medicines. Inform your doctor of all other medications, including over-the-counter and prescription drugs and vitamin and herb products. This list does not include all interactions.