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 painkillers but easy to be addicted and often have other bad effects. Maybe you find that you are in a dile...
Also, it goes well with other medications and has almost no side effects. I don’t think that occasional using of paracetamol and ibuprofen at the same time could produce any negative reactions. But, I think it is always better to try paracetamol first and then if it doesn’t work take ...