Pictures of Inderal (Propranolol), drug imprint information, side effects for the patient. Propranolol hydrochloride is a medication used to treat high blood pressure, irregular heart rhythms (arrhythmia), myocardial infarction (heart attack), and it is also used to prevent migraines. Propranolol is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Propranolol is used to treat tremors, angina (chest pain), hypertension (high blood pressure), heart rhythm disorders, and other heart or circulatory conditions. Many thyroid medications can be used to treat various thyroid disorders. This article will review the following therapies: Thyroid hormone replacement to treat hypothyroidism (not enough thyroid hormone) or thyroid cancer Learn about propranolol, a beta-blocker. This article looks at how the drug affects the body and the conditions that it can be used to help treat. Propranolol hydrochloride is a stable, white, crystalline solid which is readily soluble in water and ethanol. Its molecular weight is 295.80. For adult hypothyroidism, levothyroxine is started at 12.5-125 mcg/day administered orally. Starting doses and dose changes may differ with individual patients based upon age, the presence of cardiovascular disease, the development of tolerance (reduced effectiveness with continued use), side effects to the medication, and blood levels of. Specifies the medication propranolol (Inderal, Inderal LA, Innopran XL), a drug to treat high blood pressure, chest pain, and abnormally rapid heart rates, and prevent migraine headaches and certain types of tremors. Propranolol is a prescription drug. It comes in these forms: oral tablet, oral extended-release capsule, oral solution, and injectable. Propranolol oral tablet is only available in a generic form. Learn about Inderal (Propranolol) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications.