Can Divery Pills, Intake Cause Body Pain And Weakness?

hello dr,I am 25 years old. I have irregular mensus problem.. So i take divery 10 mg tablets. (5 tablets for 5 days). after that I m not getting mensus (20days left afdter getting tablets.). But now i feel weekness, tired, sometimes bodypain, etc. plz suggest me what happen with me..? I that effect of tablet or something else...?