If my head hurts after taking Kostarox, should I stop taking it?

Hi neurologist doctor prescribed mi.tablet kostarox 1 x after 1 tabl.po breakfast Because of back pain suspected sciatica at the end of the mc I go to resonance I took yesterday and today and noticed that after it hurts my head very much, I point out that I have to take them for 10 days later break and how it will hurt the spine (ledzwien), then continue to take Do you stop using Do you continue to take thank you in advance for your response