Read the side effects of Thyroxine as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Nervousness, excitability, tremor, muscle weakness, cramps, increased sweating, flushing, heat intolerance, headache, insomnia, rapid heart rate, palpitations, chest pain, excessive weight loss, menstrual irregularities, diarrhea and vomiting.
Other Precautions :
* Avoid excess dosage.