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Description
Indications
Ophthalmic timolol is employed in the treatment of glaucoma, a condition characterized by increased pressure in the eye that can result in gradual vision loss. Timolol belongs to a class of medications known as beta-blockers. Its mechanism of action involves reducing the pressure within the eye.
Uses and Dosage
Ophthalmic timolol is available in the form of a solution (liquid) and an extended-release (long-acting) gel-forming solution (liquid that thickens to a gel upon instillation in the eye). Timolol eye drops are typically administered once or twice a day, at evenly spaced intervals, until the pressure in the eye is adequately controlled (usually after about 4 weeks). Subsequently, it may be administered once a day. Timolol gel-forming solution is usually instilled once a day.
Use timolol precisely as directed, avoiding using more or less of it or using it more frequently than prescribed by your doctor.
While timolol eye drops and gel-forming solution help control glaucoma, they do not cure it. It’s important to continue using timolol even if you feel well, and do not discontinue the medication without consulting your doctor.
To administer the eye drops, the following steps should be followed:
- Thoroughly wash hands with soap and water.
- Do not allow the dropper tip to touch the eye or any other surface, and ensure that it is kept clean.
- Tilt the head back and pull down the lower lid of the eye using the index finger to form a pocket.
- Hold the dropper as close to the eye as possible without making contact, and brace the remaining fingers against the face.
- Squeeze the dropper gently to instill a single drop in the pocket created by the lower eyelid while looking upwards.
- Remove the index finger from the lower eyelid and keep the eye closed for 2-3 minutes while tilting the head down.
- Apply gentle pressure to the tear duct using a finger.
- Use a tissue to wipe off any excess liquid from the face.
- Wash hands to remove any residual medication.
Side Effects
Some side effects may occur that usually do not need medical attention:
- eye irritation
- double vision
- headache
- depression
- dizziness
- nausea
Inform your healthcare provider immediately if you experience any serious side effects:
- slow or irregular heartbeat
- difficulty breathing
- sudden weight gain
- swelling of the feet or lower legs
- fainting
Caution
- Before using timolol, inform your doctor or pharmacist if you are allergic to it or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride) that can cause allergic reactions or other problems.
- Discuss your medical history with your doctor or pharmacist, especially if you have a history of lung disease, certain types of irregular heartbeats, specific heart diseases, kidney disease, liver disease, diabetes, low blood flow to the brain (cerebrovascular insufficiency), overactive thyroid disease, muscle weakness disorders, or severe allergies.
- If you develop an eye infection or injury, or if you undergo eye surgery, consult your doctor about whether you should continue using your current bottle of timolol. You may be advised to start using a new bottle.
- This product may prevent the fast/pounding heartbeat usually felt when blood sugar levels fall too low (hypoglycemia). The risk is higher if you have diabetes or are vomiting, fasting, or not eating regularly. Other symptoms of low blood sugar, such as dizziness and sweating, are not affected by this drug.
- For individuals with diabetes, this product may make it harder to control blood sugar levels. Regularly check your blood sugar levels as directed by your doctor. Inform your doctor promptly if you experience symptoms of high blood sugar, such as increased thirst/urination. Your doctor may need to adjust your diabetes medication, exercise program, or diet.
- After applying this drug, your vision may become temporarily blurred. Avoid driving, using machinery, or engaging in activities that require clear vision until you can do so safely.
- During pregnancy, use this medication only when clearly needed. Discuss the risks and benefits with your doctor.
- This drug passes into breast milk. Consult your doctor before breastfeeding.
Form and Strength
Timoptic Ocudose Preservative Free is available in the following forms and strengths:
- Timoptic Ocudose Preservative Free eye drops:
- 0.50 %
FAQ
How long does it take for Timoptic Ocudose to work?
The onset of reduction in intra-ocular pressure can be detected within one-half hour after a single dose. The maximum effect occurs in one or two hours.
Can Timoptic Ocudose make heart problems worse?
If you have an existing heart condition, there are no reports of Timoptic Ocudose making it worse. But in rare cases, side effects of this medication can include chest pain (angina) or an irregular heart rate (palpitations).
Resources
- https://www.medicines.org.uk/emc/product/4053/smpc#gref
- https://www.nhs.uk/medicines/timolol-eye-drops/common-questions-about-timolol-eye-drops/
- https://www.medbroadcast.com/drug/getdrug/timoptic#google_vignette
- https://www.mayoclinic.org/drugs-supplements/timolol-ophthalmic-route/side-effects/drg-20071111?
- https://medlineplus.gov/druginfo/meds/a682043.html
- https://www.webmd.com/drugs/2/drug-7046/timoptic-ophthalmic-eye/details
