DO NOT use Inderal if
- are allergic to any ingredient in Inderal
- have moderate to severe heart block, sick sinus syndrome, or a very slow heartbeat and do not have a permanent pacemaker
- have uncontrolled heart failure, shock caused by severe heart problems, or very low blood pressure after a heart attack
- Have asthma
- the patient is a child with diabetes or heart failure
- you are taking mibefradil.
Contact your doctor or healthcare provider immediately if any of these apply to you.
Some medical conditions may interact with Inderal. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breastfeeding
- if you are taking any medications, herbal preparations or dietary supplements, with or without a prescription
- if you are allergic to drugs, foods, or other substances, or are taking medicine for allergies
- if you have a history of other heart problems (such as angina, congestive heart failure, slow heartbeat)
- if you have a history of liver or kidney problems, blood vessel diseases, lung or breathing problems (for example, chronic bronchitis, emphysema, chronic obstructive pulmonary disease [COPD]), diabetes, low blood sugar, overactive thyroid, or glaucoma
- if you have Wolff-Parkinson-White syndrome, Down syndrome, Raynaud's syndrome, or a tumor of the adrenal gland (pheochromocytoma)
- if you smoke or drink alcohol.
Some medications may interact with Inderal. Tell your doctor if you are taking any other medicines, especially any of the following
- Mibefradil because the risk of serious side effects on the heart may be increased
- Many prescription and nonprescription medications (for example, used for infections, inflammation, aches and pains, high blood pressure, heart problems, irregular heartbeat, diabetes, prostate problems, thinning of the blood, thyroid problems, depression , mental or mood problems, immune system suppression, allergic reactions, asthma, high cholesterol, seizures, local anesthesia), multivitamin products, and herbal or dietary supplements (for example, herbal teas, coenzyme Q10, garlic, ginseng, ginkgo, St. John's wort herb) may interact with Inderal, increasing the risk of side effects.
This may not be a complete list of all interactions that may occur. Ask your doctor if Inderal may interact with other medications you take. Check with your doctor before you start, stop, or change the dose of any medicine.
Important safety information:
- Inderal may cause drowsiness, dizziness, lightheadedness, or vision changes. These effects may be worse if you take it with alcohol or certain medications. Use Inderal with caution. Don't drive or do other potentially unsafe tasks until you know how you react to it.
- Check with your doctor before drinking alcohol while taking Inderal; may increase the risk of Inderal side effects.
- DO NOT take more than the recommended dose without checking with your doctor.
- Patients taking high blood pressure medications often feel tired or run down for a few weeks after starting treatment. Be sure to take your medicine even if you don't feel "normal." Tell your doctor if you develop any new symptoms.
- Tell your doctor or dentist that you take Inderal before receiving any medical or dental care.