- Metipranolol side effects
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Metipranolol is a prescription medication used to treat high eye pressure. Metipranolol belongs to a group of drugs called beta-blockers. These work by decreasing the pressure in the eye.
This medication comes in an eye drop solution (liquid) form and is instilled usually 2 times a day in the affected eye.
Common side effects of metipranolol include eye discomfort, swelling, and tearing.
Metipranolol can also cause blurred vision. Do not drive or operate heavy machinery until you know how metipranolol affects you.
What are some things I need to know or do while I take Metipranolol?
- Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
- Use care when driving or doing other tasks that call for clear eyesight.
- This medicine may hide the signs of low blood sugar. Talk with the doctor.
- Have your eye pressure and eyesight checked as you have been told by the doctor.
- Tell your doctor if you have an eye infection, eye injury, or will be having eye surgery.
- Bright lights may bother you. Wear sunglasses.
- This medicine may make it harder to tell if you have signs of an overactive thyroid like fast heartbeat. If you have an overactive thyroid and stop taking metipranolol all of a sudden, it may get worse and could be life-threatening. Talk with your doctor.
- If you have had a very bad allergic reaction, talk with your doctor. You may have a chance of an even worse reaction if you come into contact with what caused your allergy. If you use epinephrine to treat very bad allergic reactions, talk with your doctor. Epinephrine may not work as well while you are taking this medicine.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using metipranolol while you are pregnant.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Metipranolol) best taken?
Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- For the eye only.
- Use as you have been told, even if your signs get better.
- To gain the most benefit, do not miss doses.
- Take out contact lenses before using metipranolol. Lenses may be put back in 15 minutes after this medicine is given. Do not put contacts back in if your eyes are irritated or infected.
- Do not touch the container tip to the eye, lid, or other skin.
- Wash your hands before and after use.
- Tilt your head back and drop drug into the eye.
- After use, keep your eyes closed. Put pressure on the inside corner of the eye. Do this for 1 to 2 minutes. This keeps the drug in your eye.
- Blot extra solution from the eyelid.
- If more than 1 drug is being used in the same eye, use each drug at least 5 minutes apart.
What do I do if I miss a dose?
- Use a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not use 2 doses at the same time or extra doses.
Metipranolol blocks beta1 and beta2 (non-selective) adrenergic receptors. It does not have significant intrinsic sympathomimetic activity, and has only weak local anesthetic (membrane-stabilizing) and myocardial depressant activity.
Orally administered beta-adrenergic blocking agents reduce cardiac output in both healthy subjects and patients with heart disease. In patients with severe impairment of myocardial function, beta-adrenergic receptor antagonists may inhibit the sympathetic stimulatory effect necessary to maintain adequate cardiac output.
Beta-adrenergic receptor blockade in the bronchi and bronchioles may result in significantly increased airway resistance from unopposed para-sympathetic activity. Such an effect is potentially dangerous in patients with asthma or other bronchospastic conditions (see CONTRAINDICATIONS and WARNINGS).
Metipranolol when applied topically in the eye, has the action of reducing elevated as well as normal intraocular pressure (IOP), whether or not accompanied by glaucoma. Elevated intraocular pressure is a major risk factor in the pathogenesis of glaucomatous visual field loss. The higher the level of intraocular pressure, the greater the likelihood of glaucomatous visual field loss and optic nerve damage.
The primary mechanism of the ocular hypotensive action of Metipranolol is most likely due to reduction in aqueous humor production. A slight increase in outflow may be an additional mechanism. Metipranolol reduces IOP with little or no effect on pupil size or accommodation.
In controlled studies of patients with intraocular pressure greater than 24 mmHg at baseline, Metipranolol ophthalmic solution reduced the average intraocular pressure approximately 20 - 26%.
The onset of action of Metipranolol ophthalmic solution, as measured by a reduction in intraocular pressure, occurs within 30 minutes after a single administration. The maximum effect occurs at about 2 hours. A reduction in intraocular pressure can be demonstrated 24 hours after a single dose. Clinical studies in patients with glaucoma treated for up to two years indicate that an intraocular pressure lowering effect is maintained.
Dosage and administration
The recommended dose is one drop of Metipranolol ophthalmic solution in the affected eye(s) twice a day.
If the patient's IOP is not at a satisfactory level on this regimen, use of more frequent administration or a larger dose of Metipranolol ophthalmic solution is not known to be of benefit. Concomitant therapy to lower intraocular pressure can be instituted.
In clinical trials, Metipranolol ophthalmic solution was safely used during concomitant therapy with pilocarpine, epinephrine, or acetazolamide.
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Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
Generic: 0.3% (5 mL, 10 mL)
Beta-adrenoceptor-blocking agent; lacks intrinsic sympathomimetic activity and membrane-stabilizing effects and possesses only slight local anesthetic activity; mechanism of action of metipranolol in reducing intraocular pressure appears to be via reduced production of aqueous humor. This effect may be related to a reduction in blood flow to the iris root-ciliary body. It remains unclear if the reduction in intraocular pressure observed with beta-blockers is actually secondary to beta-adrenoceptor blockade.
Rapid and complete to deacetyl metipranolol, an active metabolite
Dosing Renal Impairment
There are no dosage adjustments provided in manufacturer's labeling. However, dosage adjustment unlikely due to low systemic absorption.
• Discuss specific use of drug and side effects with patient as it relates to treatment. (HCAHPS: During this hospital stay, were you given any medicine that you had not taken before? Before giving you any new medicine, how often did hospital staff tell you what the medicine was for? How often did hospital staff describe possible side effects in a way you could understand?)
• Patient may experience blurred vision or watery eyes. Have patient report immediately to prescriber vision changes, eye pain, severe eye irritation, bradycardia, muscle weakness, shortness of breath, excessive weight gain, or swelling of arms or legs (HCAHPS).
• Educate patient about signs of a significant reaction (eg, wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat). Note: This is not a comprehensive list of all side effects. Patient should consult prescriber for additional questions.
Intended Use and Disclaimer: Should not be printed and given to patients. This information is intended to serve as a concise initial reference for healthcare professionals to use when discussing medications with a patient. You must ultimately rely on your own discretion, experience and judgment in diagnosing, treating and advising patients.