Propranolol affects the heart and circulation (blood flow through arteries and veins).
Propranolol is a beta-blocker. Propranolol is used to treat tremors, angina (chest pain), hypertension (high blood pressure), heart rhythm disorders, and other heart or circulatory conditions. It is also used to treat or prevent heart attack, and to reduce the severity and frequency of migraine headaches.
Do not take this medicine in larger or smaller amounts or for longer than recommended. Adults may take propranolol with or without food, but take it the same way each time. Take propranolol at the same time each day. Do not skip doses or stop using propranolol suddenly. Stopping suddenly may make your condition worse. Follow your doctor's instructions about tapering your dose. Propranolol is only part of a complete program of treatment for hypertension that may also include diet, exercise, and weight control. The recommended dose for arrhythmias is 10 to 30 mg propranolol orally 3 to 4 times a day, before meals and at bedtime. The recommended dose for myocardial infarction is 40 mg orally 3 times a day for 1 month, then increase to 60 to 80 mg orally 3 times a day as tolerated. The recommended dose for for migraine prophylaxis is 80 mg orally per day in divided doses. The recommended dose for Benign Essential Tremor is 40 mg propranolol orally 2 times a day. The recommended dose for Aortic Stenosis is 20 to 40 mg orally 3 to 4 times a day, before meals and at bedtime.
Avoid drinking alcohol. It may increase your blood levels of propranolol. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.
You should not use this medicine if you are allergic to propranolol, if you have asthma, very slow heart beats, or a serious heart condition such as "sick sinus syndrome" or "AV block" (unless you have a pacemaker). To make sure propranolol is safe for you, tell your doctor if you have a muscle disorder; bronchitis, emphysema, or other breathing disorders; low blood sugar, or diabetes (propranolol can make it harder for you to tell when you have low blood sugar); congestive heart failure; depression; liver or kidney disease; a thyroid disorder; pheochromocytoma (tumor of the adrenal gland) or problems with circulation (such as Raynaud's syndrome).
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The most common side effects are nausea, vomiting, diarrhea, constipation, stomach cramps, decreased sex drive, impotence or difficulty having an orgasm, sleep problems or tired feeling. Call your doctor at once if you have slow or uneven heartbeats; a light-headed feeling, like you might pass out; wheezing or trouble breathing; shortness of breath (even with mild exertion), swelling, rapid weight gain; sudden weakness, vision problems, or loss of coordination (especially in a child with hemangioma that affects the face or head); cold feeling in your hands and feet; depression, confusion, hallucinations; liver problems - nausea, upper stomach pain, itching, tired feeling, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); low blood sugar - headache, hunger, weakness, sweating, confusion, irritability, dizziness, fast heart rate, or feeling jittery.
Be extra carefully and let your doctor know if you take a blood thinner (e.g., warfarin, Coumadin, Jantoven); an antidepressant (e.g., amitriptyline, clomipramine, desipramine, imipramine, and others); drugs to treat high blood pressure or a prostate disorder (e.g., doxazosin, prazosin, terazosin); heart or blood pressure medicine (e.g., amiodarone, diltiazem, propafenone, quinidine, verapamil, and others); NSAIDs (e.g., aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve), celecoxib, diclofenac, indomethacin, meloxicam) and otherssteroid medicine (e.g., prednisone).
Take the missed dose as soon as you remember. Skip the missed dose if your next dose is less than 4 hours away. Do not take extra medicine to make up the missed dose.
Overdose symptoms may include slow or uneven heartbeats, dizziness, weakness, or fainting. If you think you have overdosed the medicine seek emergency medical help at once.
Store at room temperature away from moisture, heat, and light.
The information presented at the site has a general character. Note please this information cannot be used for self-treatment and self diagnosis. You should consult with your doctor or health care adviser regarding any specific instructions of your condition. The information is reliable, but we concede it could contain mistakes. We are not responsible for any direct, indirect, special or other damage caused by use of this information on the site and also for consequences of self-treatment.