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Name of the Generic: Timolol [TiH-mo-lol] Timolol
Name of the Brand: Blocadren
Dosage Format: Oral tablet (10 mg, 20 mg, 5 mg)
Drug Class: Non-cardioselective beta blockers

What is Timolol?

Timolol can be used to treat hypertension (high blood pressure). Timolol can be used in conjunction with other blood pressure medications.

Timolol can also be utilized to reduce the risk of dying following a heart attack as well as the possibility of suffering from another heart attack.Timolol can also be used to help prevent migraine headaches.Timolol could also be used to treat conditions not mentioned in this medication guide.

Side effects Of Timolol

Contact a medical professional immediately. Get medical attention immediately if you notice symptoms that are warning signs of an allergic response, such as difficulty breathing, hives, and swelling of your lips, face, and throat.

Timolol may cause serious side effects. Consult your physician immediately in the event of:

  • Acute or new chest pain,
  • Heartbeats that are irregular or slow;
  • You feel lightheaded, as if you're about to pass out.
  • Breathlessness (even at moderate exertion) and swelling, rapidly gaining weight;
  • Muscles weak;
  • The eyelids droop, vision problems,
  • You may experience a cold sensation on your feet and hands.

Common negative effects of timolol include:

  • Slow heartbeats;
  • Dizziness;
  • Tiredness.

This isn't an exhaustive list of all the side effects. Others could happen. Consult your physician for advice regarding medical effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


Take only according to your doctor's instructions. Inform your doctor if you are taking other medicines or have any other medical conditions or allergies.

Before you Take this Drug

Timolol should not be used if you have an allergy to the substance or suffer from:

  • Asthma, chronic obstructive pulmonary disease (COPD), or another breathing disorder.
  • An extremely heart-related condition, like "AV block" (second or third degree);
  • Extremely slow heartbeats;
  • Heart failure,
  • If your heart can't pump blood effectively.

Inform your doctor if you ever had:

  • Congestive heart failure;
  • Coronary arterial disorder (hardening of the arteries);
  • Diabetes;
  • Thyroid hyperactive;
  • Kidney disease or liver failure;
  • Myasthenia gravis or any other muscular condition;
  • Allergies (or the need for allergies, or undergoing treatments or skin testing);
  • Peripheral blood vessel disease like Raynaud's syndrome
  • An illness for which you're being treated by IV blood pressure or heart medications (such as diltiazem, nicardipine, and verapamil).

It isn't known if it will harm a newborn baby. Consult your physician if you are expecting or planning to become pregnant.

Timolol may be absorbed through breastmilk and could cause harm to a nursing infant. It is not recommended to breastfeed while taking this medicine.

Timolol is not permitted for use by anyone who is younger than

How to Take Timolol?

Follow the directions on your prescription label and go through all medication guides or instructions. Your doctor may alter your dosage. Follow the medication exactly as prescribed.

Your blood pressure is likely to be checked regularly.If you are going to need surgery, inform the surgeon beforehand that you're taking the drug timolol. It is possible that you will need to stop taking the medication for a brief period of time.You shouldn't stop taking timolol abruptly. Stopping suddenly may increase the severity of your condition.

If you're receiving treatment for high blood pressure, continue taking this medication even if you are feeling well. The presence of high blood pressure is often accompanied by no signs. You could need medication for high blood pressure throughout your life.

If you're taking timolol for the purpose of preventing migraine headaches, it could take between 6 and 8 weeks of continuous use before timolol can be completely efficient. Use the medication exactly as prescribed, and tell your physician if you continue to suffer from migraine headaches.Maintain at room temperature and away from heat, humidity, and light.

Details on Dosage

Usual Adult Dose for Hypertension:

Initial dosage: 10 mg orally, twice daily.
Dosage for maintenance: 10–20 mg twice daily, orally
The maximum dosage is 30 mg, taken every day orally.
It is recommended to have a minimum of 7 days between increases in doses.
It is possible to use this drug together with a thiazide diuretic or other antihypertensive agent.
Use: For hypertension by itself or in conjunction with other antihypertensive medications, including thiazide-type diuretics.

Usual Adult Dose for Myocardial Infarction:

Initial dose: 10 mg taken orally two times a day.
Used to treat patients who have been through the acute phase of myocardial infarction and who are stable clinically to lower the risk of death from cardiovascular disease and the chance of reinfarction.

Usual Adult Dose for Migraine Prophylaxis:

Initial dosage: 10 mg taken every day, orally.
Maintenance dose: 10–30 mg, given in 1–2 equal doses
Use: As a prophylactic treatment for migraine headache

What Happens If I Miss a Dose?

Do not take the medicine for as long as you are able, but do not take your missed dose if it's nearing the time to take the next dose. Don't take two doses at a time.

What Happens If I Overdose?

Get medical attention in an emergency or contact the Poison Help line toll-free at 1-800-222-1222.

What Should be Avoided?

Follow the instructions of your physician regarding any limitations on foods, drinks, or any activity.

Interaction with Other Drugs

Discuss with your doctor all other medicines you take, particularly:

  • Digoxin, digitalis;
  • Heart or blood pressure medication—clonidine, diltiazem, nicardipine, nifedipine, reserpine, quinidine, verapamil, and others;
  • These are NSAIDs (nonsteroidal anti-inflammatory drugs): aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac (also known as indomethacin), diclofe, and many more.

This list isn't complete. Other medications may interact with the timolol drug, such as prescription and over-the-counter medicines, vitamins, and herbal supplements. Some interactions with drugs may not be listed here. are included here.



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