What is Inderal?Inderal is used to treat high blood pressure, chest pain (angina), certain heart rate irregularities, tremors, and to prevent common migraine headaches. Inderal may also be used for other conditions, as determined by your doctor.
What is the most important information I should know about Inderal?You must take Inderal regularly for it to be effective. Since blood pressure declines gradually, it may be several weeks before you get the full benefit of Inderal. You must continue taking it even if you are feeling well. Inderal does not cure high blood pressure; it only keeps it under control.
Inderal should not be stopped suddenly without speaking to your doctor. It can result in increased chest pain and heart attack. When stopping the drug, your doctor will gradually reduce your dose.
Inderal may cause allergic reactions that can have serious symptoms. Stop Inderal and call your doctor immediately if you develop any skin reactions.
Inderal may hide symptoms of low blood sugar levels if you have diabetes. Be sure to monitor your blood sugar levels on a regular basis. Always carry glucose tablets with you in case your blood sugar drops too low.
Who should not take Inderal?Do not take Inderal if you are allergic to any of its ingredients, or if you experience slow heart rate, an asthma attack, or difficulty breathing.
What should I tell my doctor before I take the first dose of Inderal?Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Inderal. Also, talk to your doctor about your complete medical history, especially if you have lung conditions such as chronic bronchitis or emphysema (lung problems), diabetes, glaucoma (high pressure in the eye), heart failure, kidney or liver problems, thyroid problems, tumors, and Wolff-Parkinson-White syndrome (a type of heart condition). Tell your doctor if you are planning to have major 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 usual starting dose is 40 milligrams (mg) twice daily. Your doctor will increase your dose as appropriate.
Inderal may be prescribed for various other conditions. Your doctor will prescribe the appropriate dosage for you based on the condition.
How should I take Inderal?Take Inderal exactly as your doctor prescribed.
What should I avoid while taking Inderal?Avoid eating protein-rich foods and alcohol while taking this medication.
Avoid rising abruptly from a sitting or lying position because this medication may cause your blood pressure to drop suddenly upon rising.
Do not stop taking this medication abruptly without first speaking to your doctor.
What are possible food and drug interactions associated with Inderal?If Inderal 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 Inderal with the following: alcohol, amiodarone, antidepressants, certain blood pressure medicines, cholestyramine, cimetidine, ciprofloxacin, clonidine, colestipol, delavudin, diltiazem, diazepam, digitalis, dobutamine, doxazosin, epinephrine, ethanol, fluoxetine, fluvoxamine, haloperidol, imipramine, isoproterenol, isoniazid, lidocaine, methoxyflurane, nonsteroidal anti-inflammatory drugs such as indomethacin, paroxetine, phenytoin, phenobarbital, propafenone, prazosin, quinidine, reserpine, rifampin, rizatriptan, tenioposide, terazosin, theophylline, thyroxine, trichloroethylene, tolbutamide, warfarin, zileuton, zitonavir, or zolmitriptan.
What are the possible side effects of Inderal?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: abdominal cramping, allergic reactions (including aching and sore throat, fever, and rash), difficulty breathing, fatigue, hallucinations, male impotence, memory loss, light-headedness, low blood pressure, slower heart rate, skin reactions, vivid dreams, weakness
Can I receive Inderal if I am pregnant or breastfeeding?The effects of Inderal on pregnancy are unknown, and it may pass into breast milk. Talk to your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.
What should I do if I miss a dose of Inderal?If you miss a dose of Inderal, take the dose as soon as you remember, unless it is almost time for the next dose. Do not take two doses at once.
How should I store Inderal?Store at room temperature.
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