What is Betagan?Betagan eyedrops are used to lower pressure within the eyeball and may be used in patients with chronic open-angle glaucoma (increased pressure inside the eye) or ocular hypertension.
What is the most important information I should know about Betagan?Although Betagan eyedrops are applied to the eye, Betagan is absorbed and may have effects on other parts of the body. Make sure your doctor is aware if you have diabetes, asthma or other respiratory diseases, or decreased heart function.
Your doctor should check your eye pressure regularly during treatment with Betagan to make certain your glaucoma is being controlled.
Who should not take Betagan?Do not use Betagan if you have bronchial asthma or a history of bronchial asthma, severe chronic obstructive pulmonary disease (COPD), second or third degree heart block, heart failure, cardiogenic shock (when the heart is too damaged to supply sufficient blood to the body), or slow heartbeat (sinus bradycardia).
Do not use Betagan if you have ever had an allergic reaction to it or are sensitive to it or to other beta-adrenoceptor blocking agents.
What should I tell my doctor before I take the first dose of Betagan?Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Betagan, especially if you are taking a similar class of eyedrops or an oral beta-andrenergic blocking medication. Also, talk to your doctor about your complete medical history, especially if you have asthma, chronic obstructive lung disease or other disorder resulting in diminished pulmonary function, diabetes, elevated thyroid hormone levels, or if you are facing elective surgery.
What is the usual dosage?The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.
Adults: The recommended starting dose is 1 to 2 drops of Betagan 0.5% in the affected eye(s) once a day. For more severe or uncontrolled glaucoma, your doctor may instruct you to use Betagan 0.5% twice a day.
The typical dose of Betagan 0.25% is 1 to 2 drops twice a day.
How should I take Betagan?Use Betagan eyedrops exactly as prescribed.
Administer Betagan eyedrops as follows: 1. Wash your hands thoroughly. 2. Gently pull your lower eyelid down to form a pocket between your eye and eyelid. 3. Hold the bottle on the bridge of your nose or on your forehead. 4. Do not touch the applicator tip to any surface, including your eye. 5. Tilt your head back and squeeze Betagan into your eye. 6. Close your eyes gently. Keep your eyes closed for 1 to 2 minutes. 7. Wait 5 to 10 minutes before using any other eyedrops. 8. Do not rinse the dropper.
What should I avoid while taking Betagan?For a short time after using Betagan, your vision may be blurred. Avoid driving, using machines, or doing anything else that could be dangerous if you are not able to see well.
What are possible food and drug interactions associated with Betagan?If Betagan is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Betagan with the following: beta-blocker blood pressure medications such as atenolol or propranolol, calcium-blocking blood pressure medications such as diltiazem or verapamil, digoxin, epinephrine, and reserpine.
What are the possible side effects of Betagan?Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.
Side effects may include: temporary eye irritation or redness, weakened muscles around the eyes that may cause double vision or drooping eyelids
Can I receive Betagan if I am pregnant or breastfeeding?The use of Betagan in pregnancy has not been adequately studied. If you are pregnant or plan to become pregnant, notify your doctor immediately. Betagan eyedrops should be used during pregnancy only if the benefit justifies the potential risk. Use Betagan eyedrops with caution if you are breastfeeding.
What should I do if I miss a dose of Betagan?If you take Betagan once a day, use it as soon as you remember. If you do not remember until the next day, skip the dose you missed and go back to your regular schedule. Do not take 2 doses at once.
How should I store Betagan?Store at room temperature and away from light.