What is Inderal XL: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 31, 2020

Inderal XL overview

BRAND NAMES:

  • Hemangeol, Inderal LA, Inderal XL, InnoPran XL, Propranolol HCl

Generic Names:

  • Inderal Xl

Uses:

  • Treats high blood pressure, angina, and atrial fibrillation (uneven heartbeat). Also prevents migraine headaches and treats tremors and proliferating infantile hemangioma. This medicine is a beta-blocker.

Therapeutic Classes:

  • Antianginal, Antiarrhythmic, Group II, Antihypertensive, Antimigraine, Cardiovascular Agent

Forms:

  • Long Acting Capsule, Liquid, Tablet

How it’s taken:

  • By mouth

What is Inderal XL used for?

What form(s) does Inderal XL come in

  • Long Acting Capsule

  • Liquid

  • Tablet

What are common Inderal XL doses?

  • Capsule Extended Release 24 Hour 80MG

  • Capsule Extended Release 24 Hour 120MG

Common Inderal XL prescriptions

  • Inderal XL
    80mg capsule extended release 24 hour

How to take Inderal XL

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Swallow the extended-release capsule whole. Do not crush, break, or chew it.

  • Extended-release capsule: Take at bedtime. This medicine may be taken with or without food, but always take it the same way each time.

  • Oral liquid: Measure your dose with the dropper that comes with the package. You may mix the liquid with water or juice to make it easier to swallow.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Throw away any unused Hemangeol„¢ after 2 months.

  • Hemangeol„¢ oral liquid: Measure the dose with the dosing syringe that comes with the package. The medicine should be given directly into the child's mouth 2 times a day (at least 9 hours apart). It is given during or right after eating or breastfeeding. Do not administer the dose if the child is not eating or vomiting. It may also be mixed with milk or fruit juice and given in a baby's bottle. Do not shake before use.

  • Hemangeol„¢ oral liquid: Measure the dose with the dosing syringe that comes with the package. The medicine should be given directly into the child's mouth 2 times a day (at least 9 hours apart). It is given during or right after eating or breastfeeding. Do not administer the dose if the child is not eating or vomiting. It may also be mixed with milk or fruit juice and given in a baby's bottle. Do not shake before use.

  • Swallow the extended-release capsule whole. Do not crush, break, or chew it.

  • Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Throw away any unused Hemangeol„¢ after 2 months.

  • Extended-release capsule: Take at bedtime. This medicine may be taken with or without food, but always take it the same way each time.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Oral liquid: Measure your dose with the dropper that comes with the package. You may mix the liquid with water or juice to make it easier to swallow.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

What to do if you miss a dose of Inderal XL

Inderal XL contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to propranolol, or if you have asthma or certain heart problems. Hemangeol„¢ should not be given to children weighing less than 2 kilograms or to premature babies younger than 5 weeks of age. It should not be given to children who are vomiting or not eating, have pheochromocytoma, or have a history of asthma or a breathing problem.

Inderal XL warnings

  • Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, angina (chest pain), heart failure, breathing problems, diabetes, glaucoma, or an overactive thyroid. Tell your doctor if you have Wolff-Parkinson-White syndrome or a history of severe allergic reactions.

  • This medicine may cause the following problems:Worsening of chest pain, heart attack (if treatment is stopped suddenly)Heart failureLow blood sugar levelsAn increased risk of stroke in children with PHACE syndrome (severe blood vessel problems in the brain)

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • This medicine may make you dizzy, drowsy, or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Tell any doctor or dentist who treats you that you are using this medicine.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Inderal XL interactions

  • Some medicines can affect how propranolol works. Tell your doctor if you are using any of the following medicines:Bupropion, chlorpromazine, cimetidine, ciprofloxacin, digoxin, dobutamine, epinephrine, fluconazole, fluoxetine, montelukast, phenobarbital, phenytoin, rifampin, theophylline, thioridazine, or ticlopidineOther blood pressure medicine (clonidine, diltiazem, nicardipine, nifedipine, nisoldipine, prazosin, verapamil), medicine for heart rhythm problems (propafenone, quinidine), medicine to lower cholesterol (cholestyramine, colestipol, lovastatin, pravastatin), medicine to treat migraine headaches (rizatriptan, zolmitriptan), a steroid medicine, an MAO inhibitor, medicine to treat depression, NSAID pain or arthritis medicine (aspirin, diclofenac, ibuprofen, naproxen, celecoxib), or warfarin

  • This medicine may cause the following problems:Worsening of chest pain, heart attack (if treatment is stopped suddenly)Heart failureLow blood sugar levelsAn increased risk of stroke in children with PHACE syndrome (severe blood vessel problems in the brain)

  • Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.

  • This medicine may make you dizzy, drowsy, or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Tell any doctor or dentist who treats you that you are using this medicine.

  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Inderal XL side effects

Serious Side Effects

  • Rapid weight gain, swelling in your hands, ankles, or feet, trouble breathing, tiredness

  • Slow, fast, or uneven heartbeat

  • Trouble breathing or wheezing

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blistering, peeling, or red skin rash

  • Chest pain

  • Lightheadedness, dizziness, or fainting

Less Serious Side Effects

  • Feeling agitated or irritable, unusual dreams (in children)

  • Diarrhea (in children)

  • Change in sleeping patterns (in children)

  • Feeling sleepy or drowsy (in children)

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