What side effects may I notice from taking levothyroxine?
Side effects that you should report to your prescriber or health care professional as soon as possible: • How to take synthroid • difficulty breathing, wheezing, or shortness of breath • chest pain • excessive sweating or intolerance to heat • fast or irregular heartbeat or pulse rate • nervousness • skin rash or hives • swelling of ankles, feet or legs Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome): • changes in appetite • changes in menstrual periods • diarrhea • fever • hair loss • headache • irritability • nausea, vomiting • tremors • trouble sleeping • weight loss
