Hi I am taking two medications, one was increased recently and the other is a new medication. the medication that was increased is Duloxetine increased from 30mg to 60 and the new meds are Levetiracetam 250 mg twice a dat. since taking the medication have had extreme headaches, nausea, a blah feeling and really tired but toss and turn at night, chills, and sweats, and itching of hands. should i be worried