If a person take seroxat& lexotanine daily due to dr prescription.but he still have headache so he take advil (ibuprofen) aqua gel daily.is it ok for his organs?

It isn't completely: surprising that he still has headaches...they are not uncommon as a side effect of SSRI's/seroxat (paroxetine). The lexotanine is a benzodiazepam and has addictive potential, so this medicine should be well supervised and taken with caution. Taking Advil (ibuprofen) daily is a risk for his kidneys and also may cause Rebound Headache..worse headache from daily pain pills. Work with Doc for better program.