, include urticaria, pruritus, - skin rash/hives, flushing, angioedema, various GI symptoms (abdominal pain, nausea, vomiting and
diarrhea), fever, arthralgia, serum sickness and
wheezing. Hypersensitivity to levothyroxine
itself is not known to occur.
Other reactions are caused from overdose of medications (cardiac symptoms as anginous pain, cardiac arrhythmia and palpitations, and cramp in the skeletal musculature.