Betimol can be prescribed as a number of brand name medications, including Istalol, Timoptic Ocudose, Timoptic Ocumeter, and Timoptic XE. Generically it can be prescribed as timolol ophthalmic.
Betimol is a member of the family of drugs known as beta blockers. It is prescribed to help reduce pressure within the eye. It is most frequently used to treat narrow angle glaucoma and other diseases that cause pressure from fluid build up within the eyes.
The medication is dispensed in a sterile container with a sterile eye dropper dispenser. It is important that patients take care not to allow the eye dropper to become contaminated, as this can lead to serious eye infections. Should the dropper touch any surfaces, the patient should contact the pharmacy for information on sterilizing or replacing to dropper.
Any additional eye medications should not be used unless it has been prescribed by the physician. If another eye medication is in use, it can not be applied within ten minutes of using Betimol.
Patients should use extreme caution when driving a vehicle, operating machinery, or performing tasks that require good eyesight to ensure safety. Betimol can cause blurry vision, sometimes unexpectedly.
Not all patients can tolerate Betimol, and some will require testing and additional care to compensate for other illnesses. Patients with a medical history that includes asthma, chronic obstructive pulmonary disease, heart conditions, or severe or uncontrolled congestive heart failure can not take Betimol. Patients with a medical history that includes thyroid disorders, diabetes, chronic bronchitis, emphysema or other chronic breathing disorder, stroke, blood clot, circulation problems, kidney disease, myasthenia gravis or other muscle disorders, and liver disease may or may not be able to tolerate Betimol. Physicians should perform a thorough medical evaluation before prescription.
Betimol was rated a pregnancy risk category C, which means that there is a likelihood that this medication will cause harm to an unborn baby. Betimol passes into the mother’s breast milk and can cause harm to a nursing child. Women who are pregnant, nursing, or who may become pregnant should not use Betimol. This medication is not approved for use in children under the age of 2.
Patients who wear contact lenses should remember to remove them to use this medication. At least 15 minutes must pass before the lenses are replaced in the eye.
A missed dose can be taken when remembered unless it is almost time for the next dose. If the time for the next dose is near, the missed dose should be skipped. Patients should not take a double dose of this medication.
If an overdose occurs, the patients should seek out immediate health care. An overdose may cause symptoms such as headaches, dizziness, slow heart rate, shortness of breath, chest pain, and fainting.
A small percentage of patients will experience side effects, most of which are mild and require no real medical assistance. Side effects should always be reported to the prescribing physician, especially those who are truly bothersome. Side effects such as insomnia, cough, stuffy nose, dry mouth, worsening psoriasis, skin rash, nausea, diarrhea, upset stomach, loss of appetite, numbness and tingling, double vision, stinging, burning, blurry vision, headaches, weakness, drowsiness, and a droopy eyelid are common.
Side effects such as allergic reactions ( facial swelling, hives, and difficulty breathing) shortness of breath, swollen or red eyelids, discomfort of the eye or sensitivity to light, drainage, crusting, and oozing from the eye, swelling or rapid weight gain, sudden depression or unusual thoughts or behaviors, wheezing, gasping for air, or any difficulty breathing are not common and require immediate medical attention.
Clonodine, quinidine, reserpine, digitalis, acetazolamide, beta blockers, calcium channel blockers, and antidepressants can cause serious interactions and should not be taken without the physician’s consent. Patients should never take any additional over the counter medication, prescription drugs, or herbal or vitamin supplements without the physician’s prior consent.
Betimol has the following structural formula:
• Molecular formula of betimol is C13H24N4O3S
• Chemical IUPAC Name is 1-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]-3-tert-butylamino-propan-2-ol
• Molecular weight is 316.421 g/mol
• Betimol available : 0.25% solution 10ml bottle, 0.5% solution 10ml bottle, 0.25% solution 15ml bottle, 0.5% solution 15ml bottle, 0.25% solution 5ml bottle, 0.5% solution 5ml bottle
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