I was taking vitamin d every sunday, vitamin b12 and vitamin c 500, every day. from last 2 month its being 50 days to me taking these vitamins. now from last week i was feeling continuous headache and feeling like fever going to happen but no fever, no cough. but throat mild pain during swallowing food. also few blister start growing on arms, legs, back. What i notice as strange is my childhood cuts/ stiches are swell and red. feeling pain on touch. i took amoxicillin from last 3 days. throat pain is resolved but blisters are still remain.