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Fact Sheets

Propranolol (Inderal)

Propranolol (Inderal) and other beta-blockers (eg. Lopressor, Tenormin, Congard, etc.) make the hyperthyroid patient feel better by blocking the action of thyroid hormone - the heart rate slows, and nervousness and shaking are reduced - and are used until the thyroid hormone T4 level returns to normal.

Propranolol:

To avoid the above complications from abruptly stopping Propranolol, your doctor will reduce your dosage gradually over several weeks when you no longer need to take it.