Propanolol, also known as propanolol hydrochloride, is a medication that treats hypertension (high blood pressure), angina (chest pain), myocardial infarction (heart attack), atrial fibrillation (abnormal heart rhythm), migraine, tremors and pheochromocytoma (an epinephrine-producing tumor). Propanolol is available as a tablet or capsule and is usually taken everyday. If you are taking propanolol, learn about its side effects.
Cardiovascular Side Effects
Although propanolol is indicated to treat chest pain and irregular heartbeats, it can affect your heart in harmful ways. According to the Internet Drug Index, users may experience bradycardia (slow heartbeat), hypotension (low blood pressure), arterial insufficiency (inadequate amount of blood flowing through your vessels) or congestive heart failure (lethal condition where your heart can't pump enough blood to your body). An AV block (problem with the electrical conduction in your heart) is another cardiovascular side effect.
Gastrointestinal Side Effects
Propanolol can affect your stomach adversely. The Internet Drug Index states that you may experience stomach pains, nausea, vomiting, constipation or ischemic colitis (condition of reduced blood flow to your colon).
Allergic Reaction
According to the Medline Plus, you may develop an allergic response to propanolol. Symptoms include trouble breathing, swelling and skin rashes. Seek immediate help when you notice these symptoms because they can result in death.
Central Nervous System Side Effects
Propanolol can affect your brain and spinal cord detrimentally. Users may experience symptoms such as depression, fatigue, hallucinations (hearing or seeing things that don't exist), memory loss and weakness, according to the Internet Drug Index.
Systemic Lupus Erythematosus (SLE)
Propanolol can affect your immune system (defense system in your body to ward off infection). Systemic Lupus Erythematosus (SLE) occurs when your body attacks itself. The most common symptoms of SLE include a malar rash (butterfly rash over your face and nose), sensitivity to sunlight, arthritis and ulcers in your nose, mouth or throat.
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