Read the side effects of Levothyroxine as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
General - Fatigue, increased appetite, weight loss, heat intolerance, fever and excessive sweating.
Central nervous system - Headache, hyperactivity, nervousness, anxiety, irritability, emotional lability and sleeplessness.
Musculoskeletal - Tremor and muscle weakness.
Heart - Palpitations, fast heart rate, abnormal heart rhythm, increased pulse and blood pressure, heart failure, chest pain and heart attack.
Respiratory - Difficulty in breathing.
Gastrointestinal - Diarrhea, vomiting, abdominal cramps and elevation in liver function tests.
Skin - Hair loss and flushing.
Endocrine - Decreased bone mineral density.
Reproductive - Menstrual irregularities and impaired fertility.
Other Precautions : * Avoid excess dosage.