What is Labetalol?Labetalol is used to treat high blood pressure. It can be used alone or in combination with other blood pressure medications, especially diuretics (water pills).
What is the most important information I should know about Labetalol?Labetalol has caused severe liver damage in some people. Although this is a rare occurrence, if you develop any symptoms of abnormal liver function (such as itching, dark urine, loss of appetite, yellow eyes and skin, or unexplained flu-like symptoms), contact your doctor immediately.
This medication may cause a potential hazard to the heart, which may lead to heart failure. Make sure to discuss your complete medical history with your doctor, including if you have had a history of heart failure or liver dysfunction.
This medication may hide the symptoms of low blood sugar or alter blood sugar levels. If you are diabetic, discuss this with your doctor.
Notify your doctor or dentist that you are taking labetalol if you have a medical emergency, and before you have surgery or dental treatment.
Who should not take Labetalol?You should not take labetalol if you suffer from an obstructive airway disease such as bronchial asthma, severe heart failure, heart block (a heart irregularity), inadequate blood supply to the circulatory system (cardiogenic shock), a severely slow heartbeat, or any other condition that causes severe and continued low blood pressure. Also, do not take this medication if you are sensitive to or have ever had an allergic reaction to labetalol or any of its ingredients.
What should I tell my doctor before I take the first dose of Labetalol?Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with this drug. Also, talk to your doctor about all your medical conditions, especially if you have a history of coronary artery disease, congestive heart failure, diabetes, pheochromocytoma (tumor of the adrenal gland), kidney or liver disease, asthma, chronic bronchitis, emphysema, or other lung diseases.
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: Your doctor will adjust the dose to fit your needs. The usual starting dose is 100 milligrams (mg) two times per day, alone or with a diuretic (water pill). After 2-3 days of checking your blood pressure, your doctor may begin increasing your dose as necessary.
How should I take Labetalol?Labetalol should not be stopped or interrupted without your doctor's advice.
What should I avoid while taking Labetalol?Labetalol should not be stopped suddenly. This can cause chest pain and heart attack. The dosage should be gradually reduced under your doctor's supervision.
What are possible food and drug interactions associated with Labetalol?If labetalol 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 taking labetalol with the following: inhalers such as albuterol, antidepressant medications such as amitriptyline, cimetidine, diabetes drugs such as glyburide, epinephrine, insulin, nitroglycerin, and verapamil.
What are the possible side effects of Labetalol?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: dizziness, nausea, fatigue, indigestion, stuffy nose, upset stomach, headache, ejaculation failure/impotence, temporary scalp tingling
Can I receive Labetalol if I am pregnant or breastfeeding?The effects of labetalol during pregnancy have not been adequately studied. Labetalol appears in breast milk and may affect a breastfeeding infant. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.
What should I do if I miss a dose of Labetalol?If you miss a dose of labetalol, take the missed dose as soon as you remember it. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.
How should I store Labetalol?Store at room temperature.