Generically known as Levothyroxine Sodium Tablets, Euthyrox does not usually make people fat, but instead may have the side effect of weight loss. Levothyroxine Sodium Tablet is a thyroid hormone drug that is mostly used in the replacement therapy of hypothyroidism. Generally levothyroxine sodium tablets do not cause patients to become obese, and some patients may also experience weight loss while taking the medication. If weight gain occurs while taking the medication, it may be due to uncontrolled disease or complications of other diseases. Due to individual variability, a few patients may experience adverse reactions such as tachycardia, palpitations, flushing, fever, vomiting, excessive sweating, and insomnia while taking Levothyroxine Sodium Tablet. This drug is contraindicated for those who are allergic to the ingredients of levothyroxine sodium tablets, thyrotoxicosis, acute myocardial infarction and other diseases. During the medication period, patients should follow the doctor’s instructions for regular review in order to understand the recovery of the disease. Once abnormal discomfort occurs, you should consult a doctor in time.