Of course, all painkilling medication that works can have side effects—nothing is safe and effective. Paracetamol(扑热息痛) has very few unless taken too much, in which case it can cause serious liver danger, but it isn't very effective. Drugs like opiates are strong painkiller...
I understand your concern.What you seem to be having is an extremely rare phenomenon called ' Multiple Drug Allergy Syndrome 'Some people are prone to developing multiple allergic reactions to certain group of drugs such as the non steroidal anti inflammatory drugs like Ibuprofen or Paracetamol. In...
Göbel, H., Fresenius, J., Heinze, A., Dworschak, M., & Soyka, D. (1996). Effectiveness of Oleum menthae piperitae and paracetamol in therapy of headache of the tension type.Der Nervenarzt, 67(8), 672-681. Johnson, E. S., Kadam, N. P., Hylands, D. M., & Hylands, P. ...