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Are there any risks in taking propranolol?

Propranolol may worsen heart failure in individuals with congestive heart failure and should be avoided or closely regulated. Individuals with a history of heart failure are at risk of cardiac failure when taking beta-blockers such as propranolol. Propranolol may cause asthmatic attack in individuals with lung disease and should be avoided or closely regulated. Beta-blockers may sometimes mask signs of hypoglycemia, especially in diabetics, and hinder the regulation of insulin levels. Propranolol has been associated with hypoglycemia when administered to children or after prolonged physical exercise. Propranolol carries the risk of skin reactions, allergic reactions, and hypersensitivity. Since alcohol increases propranolol levels in the blood, it should be avoided while taking the medication. There are risks when abruptly stopping the use of propranolol, including the worsening of angina and cardiac conditions. Beta-blockers may also mask signs of hyperthyroidism and thyroid storm may follow the sudden discontinuation of the medication. Thyroid storm is an uncommon condition in which extremely elevate levels of thyroid hormones push the body to the brink of collapse. If discontinuing use of propranolol, your doctor will likely gradually reduce the dosage over a period of several weeks.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.