Propranolol: When and How Should We Take It? - Your Pharmacist Informs
Health video advice on Propranolol: what this medication is used for, and when and how to take it. Video advice given by pharmacist Juan Iniesta, prepared by the General Council of Pharmaceutical Colleges and produced by Medicina TV.
Propranolol is a drug that blocks certain adrenergic receptors in our body, which are acted upon by the biochemical mediators adrenaline and noradrenaline.
Specifically, it is a non-selective competitive antagonist of beta-1 and beta-2 adrenergic receptors. These effects cause the drug to reduce heart rate and the contractile force of the heart muscle.
Therefore, it is indicated for multiple cardiac disorders, such as high blood pressure, long-term prophylaxis after an acute myocardial infarction, angina pectoris, or tachyarrhythmias, i.e., abnormal acceleration of the heart rate.
Furthermore, among other disorders, it is also indicated as a prophylactic treatment for migraines, as a treatment for essential tremor, or for anxiety symptoms such as tachycardia or tremor. It is also indicated for the treatment of proliferative infantile hemangioma, a rare type of tumor that affects blood vessel cells in children and can be fatal.
Propranolol medications are available in pharmacies, subject to a medical prescription, and are administered orally.
The dosage and schedule vary greatly depending on the disease or disorder being treated and the response of each patient. Therefore, depending on the reason for prescribing propranolol, your doctor will tell you exactly how to take it.
While it is used as an oral solution for hemangioma, with a specific recommended initial schedule—1 mg/kg/day in two doses, increasing to a maintenance dose of 3 mg/kg/day in two doses—and always during or immediately after meals, For all other indications, medications are available in the form of oral tablets with doses of 10 or 40 mg of propranolol, which should be taken whole and before meals.
In certain people, propranolol should be avoided. For example, in patients with asthma or hypotension, among others.
Propranolol treatment should not be stopped abruptly. If you do not notice improvement or think the effect is too strong, consult your doctor, but do not stop taking the medication.
Although most patients tolerate propranolol treatment well, the drug can cause adverse effects, such as difficulty breathing, fatigue, or nightmares.
And remember, always ask your trusted pharmacist. We will inform you about the effects and how to use propranolol, and any other questions you may have.
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