Indications
Inderal (active ingredient: propranolol) is a prescription medication indicated for the following:
- Hypertension: Inderal is used for the treatment of hypertension (high blood pressure) in adults.
- Angina Pectoris: It is also indicated for the management of angina pectoris (chest pain) in adults.
- Arrhythmias: Inderal is used for the treatment of certain types of cardiac arrhythmias, including supraventricular arrhythmias and ventricular arrhythmias.
- Migraine Prophylaxis: Additionally, it is indicated for the prophylaxis of migraine headaches in adults.
Inderal belongs to a class of drugs known as beta-adrenergic blockers, which work by blocking the action of certain natural chemicals in the body (such as epinephrine) that affect the heart and blood vessels.
Uses and Dosage
Inderal comes in the form of a tablet to take by mouth as directed by your doctor, usually 2 to 4 times daily. Take the tablet before meals (and at bedtime if taken 4 times daily). This should be taken prior to meals and at bedtime if prescribed four times daily. After swallowing the pill, take a glass of water. If you need to cut the scored tablets, ask for assistance from a pharmacist.
The recommended dosage of Propranolol tablet varies depending on the condition being treated. For hypertension treatment, the recommended initial dose ranges between 40 mg to 80 mg taken orally two times daily. The typical maintenance dosage ranges between 120 mg to 240 mg per day given in divided doses. Doses up to 640 mg per day have also been given in some cases. However, the recommended dosage is always determined by a doctor based on individual needs and medical conditions, so it is best to follow their advice.
Side Effects
Common Side Effects of Inderal (Propranolol):
- Abdominal pain
- Dizziness
- Lightheadedness
- Nausea
- Tiredness
- Trouble sleeping
- Unusual dreams
- Vision changes
- Vomiting
Serious Side Effects of Inderal (Propranolol)
- Blue fingers and toes
- Decreased sexual ability
- Easy bruising and bleeding
- Fainting
- Infection symptoms (fever, chills, persistent sore throat)
- Joint pain
- Mental or mood changes
- Numbness or tingling of the extremities
- Symptoms of heart failure (shortness of breath, swelling of the extremities, sudden weight gain, unusual tiredness)
- Very slow heartbeat
Form and Strength
Inderal (Propranolol) is available in the following forms and strengths:
Inderal: Scored Tablet
- 10 mg
- 40 mg
Propranolol: Scored Tablet
- 10 mg
- 20 mg
- 40 mg
- 80 mg
Caution
- If you are allergic to propranolol, other beta-blockers such as metoprolol, or any other substances, inform your doctor or pharmacist before taking it. Propranolol may contain inactive ingredients that can cause allergic reactions or other complications. For more information, speak with your pharmacist.
- Propranolol may make you dizzy, especially when combined with alcohol or marijuana (cannabis). Avoid driving or operating machinery while taking propranolol, especially if feeling dizzy or drowsy. Talk to your doctor if you are using marijuana (cannabis) before taking propranolol.
- If you are currently taking propranolol and are pregnant or planning to become pregnant, speak with your healthcare provider as soon as possible. They will guide you on the best course of action to manage your condition during pregnancy and ensure the safety of both you and your developing baby.
- Do stop taking propranolol (Inderal) suddenly without talking to your healthcare provider. This is particularly important if you have coronary artery disease as sudden discontinuation of the medication can worsen symptoms like chest pain (angina) and potentially trigger a heart attack.
- Propranolol may mask the fast or pounding heartbeat, other symptoms of low blood sugar such as dizziness and sweating are unaffected by this drug. Monitor their blood sugar levels regularly and to be aware of all the symptoms of hypoglycemia, including those that may not be masked by medication.
Frequently Asked Questions (FAQ)
Is propranolol used for anxiety?
Propranolol can be used to relieve performance anxiety, but it is unlikely to relieve the mental symptoms of anxiety such as worry or fear.
Can alcohol and morphine be mixed with propranolol?
Evidence for the prophylactic use of alcohol and morphine with propranolol in the field of traumatic stress exists, consult with a healthcare professional before taking any new medication or combination of medications.
Where can I find more information about propranolol?
You can consult with a healthcare professional, read the official medication guide, or contact a support group for more information on propranolol.
What should I do if I miss a dose of propranolol?
Take the missed dose as soon as you remember but skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up for the missed dose.
How long does it take for propranolol to take effect?
Propranolol can begin to take effect within the first hour after taking the medication, but it may take several days to reach full effectiveness.
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