<s>[INST] Hi Had a fibroid problem many years ago Used to be given pethadine about 4 times in the month cause pain was unberable. had a hysterectomy done about 5 years ago Now i feel very hot there are times when i touch myself i can feel the heat in my body could this be the after effects of the pethadine [/INST] Hello,Heat in the body is not a side effect of Pethadine.So, in my opinion you should do some examiantions for further evalaution.I recommend to check the body temperature, check the thyroid hormone level and also do a complete blood count.Hope I have answered your question. Let me know if I can assist you further.Regards,Dr. Dorina Gurabardhi, General & Family Physician </s>