Understanding Possible Side Effects
Understanding Possible Side Effects SYNTHROID is contraindicated in patients with uncorrected adrenal insufficiency see WARNINGS AND PRECAUTIONS. Long-term carcinogenicity studies in animals to evaluate the carcinogenic potential of levothyroxine have not been performed. Studies to evaluate mutagenic potential and animal fertility have not been performed. Concurrent use of ketamine and SYNTHROID may produce marked hypertension and tachycardia. This is not a complete list of side effects and other