Timolol

Description

Timolol is a non-selective beta-blocker used for the treatment of increased pressure inside the eye (intraocular hypertension) and chronic open-angle glaucoma, a condition that may affect the vision. This medicine is not recommended for use in patients below 18 years of age.

Side effects

Major & minor side effects for Timolol

  • Blurred vision
  • Burning or stinging sensation at application site
  • Cataract
  • Headache
  • Increase in blood pressure
  • Infections
  • Itching
  • Dizziness

Uses of Timolol

What is it prescribed for?

  • Intraocular hypertension
  • Open angle Glaucoma
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Concerns

Commonly asked questions

  • Onset of action
    The effect of this medicine can be observed within 20 to 30 minutes of administration of the dose.
  • Duration of effect
    The effect of this medicine lasts for an average duration of 12 to 24 hours.
  • Safe with alcohol?
    Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.
  • Is it habit forming?
    No habit-forming tendencies were reported.
  • Usage in pregnancy?
    This medicine is not recommended for use in pregnant women unless necessary. All the risks and benefits should be discussed with the doctor before using this medicine.
  • Usage while breast-feeding?
    This medicine is not recommended for use in breastfeeding women unless necessary. All the risks and benefits should be discussed with the doctor before using this medicine. Your doctor may prescribe a safer alternative based on your clinical condition. If the medicine is used, monitor the infant closely for any adverse effects.

Allergy

This medicine is not recommended for use in patients with a known allergy to timolol or any other inactive ingredients present along with this medicine.

Respiratory diseases

This medicine is not recommended for use in patients with a known history of respiratory diseases such as bronchial asthma or severe chronic obstructive pulmonary disease due to the increased risk of worsening of the patient's condition.

Sinus Bradycardia

This medicine is not recommended for use in patients with a known history of sinus bradycardia due to the increased risk of worsening of the patient's condition.

Atrioventricular Block

This medicine is not recommended for use in patients with a known history of second or third degree AV block, not controlled with a pacemaker, due to the increased risk of worsening of the patient's condition.

Overt Cardiac Failure

This medicine is not recommended for use in patients with a known overt cardiac failure due to the increased risk of worsening of the patient's condition.

Cardiogenic shock

This medicine is not recommended for use in patients with a known history of cardiogenic shock due to the increased risk of worsening of the patient's condition.
Warnings for special population

Pregnancy

This medicine is not recommended for use in pregnant women unless necessary. All the risks and benefits should be discussed with the doctor before using this medicine.

Breast-feeding

This medicine is not recommended for use in breastfeeding women unless necessary. All the risks and benefits should be discussed with the doctor before using this medicine. Your doctor may prescribe a safer alternative based on your clinical condition. If the medicine is used, monitor the infant closely for any adverse effects.
General warnings

Cardiac Failure

This medicine should be used with extreme caution in patients with a known history of cardiac failure since it may worsen the patient's condition. Appropriate dose adjustments or replacement with a suitable alternative may be necessary in some cases based on the clinical condition.

Use in pediatrics

This medicine is not recommended for use in patients below 18 years of age since the safety and efficacy of use are not clinically established. However, your doctor may prescribe this medicine if the benefits significantly outweigh the risks. In such a case, the patient should be monitored closely for any adverse effects.

Driving or Operating Machines

This medicine may cause blurred vision or dizziness in some patients. It is advised that you do not perform any activities such as driving a vehicle or operating machinery if you experience any of these symptoms during treatment with this medicine.

Missed Dose

Administer the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose. Do not double your dose to make up for the missed one.

Overdose

Seek emergency medical treatment or contact the doctor in case of an overdose.
All drugs interact differently for person to person. You should check all the possible interactions with your doctor before starting any medicine.
Interaction with Alcohol

Description

Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.

Instructions

Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.
Interaction with Medicine

Epinephrine

Beta blockers

Clonidine

Calcium antagonists

Catecholamine depleting agents

Digitalis

Disease interactions

Diabetes

This medicine should be used with caution in patients with a known history of diabetes due to the increased risk of very low blood sugar levels. You may require a dose adjustment and more frequent monitoring of blood glucose levels to safely use this medicine. Replacement with a suitable alternative may be required in some cases based on the clinical condition.

Hyperthyroidism

This medicine should be used with caution in patients with a known history of hyperthyroidism since an abrupt withdrawal of therapy may worsen the patient's condition. Therapy should be discontinued gradually over a period of 1 to 2 weeks, when necessary, to decrease this risk. Replacement with a suitable alternative may be required in some cases based on the clinical condition.
Food interactions
Information not available.
Lab interactions
Information not available.
Use this medicine exactly as prescribed. Do not administer in larger or smaller amounts than advised/prescribed. Consult the doctor if you experience any undesirable side effects. Ensure that the treatment course is completed. Do not stop the use of this medicine without consulting your doctor.
Miscelleneous

Usage does not depend on food timings

To be taken as instructed by doctor

Does not cause sleepiness

How it works
This medicine works by reducing the pressure inside the eyes.
Legal Status

Approved

Approved

Approved

Approved

Classification

Category

Ophthalmic glaucoma agents

Schedule

Schedule H

[Internet]. Centaurpharma.com. 2018 [cited 15 March 2018]. Available from:

http://www.centaurpharma.com/pdf/Glucotim%20Eye%20drops%20website.pdf

[Internet]. Accessdata.fda.gov. 2018 [cited 15 March 2018]. Available from:

https://www.accessdata.fda.gov/drugsatfda_docs/label/2013/021516s005lbl.pdf

Timolol Ophthalmic: MedlinePlus Drug Information [Internet]. Medlineplus.gov. 2018 [cited 15 March 2018]. Available from:

https://medlineplus.gov/druginfo/meds/a682043.html

[Internet]. 2018 [cited 15 March 2018]. Available from:

https://www2.medicines.org.uk/emc/medicine/33236

Timolol - DrugBank [Internet]. Drugbank.ca. 2018 [cited 15 March 2018]. Available from:

https://www.drugbank.ca/drugs/DB00373

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Information on this page was last updated on 20 Mar 2018

Disclaimer

We’ve made all possible efforts to ensure that the information provided here is accurate, up-to-date and complete, however, it should not be treated as a substitute for professional medical advice, diagnosis or treatment. Practo only provides reference source for common information on medicines and does not guarantee its accuracy or exhaustiveness. The absence of a warning for any drug or combination thereof, should not be assumed to indicate that the drug or combination is safe, effective, or appropriate for any given patient. Practo does not assume any responsibility for any aspect of healthcare administered with the aid of information provided above. If you have any doubts about your medication then we strongly recommend that you consult with your doctor, nurse or healthcare provider. See detailed T&C here.