My age is 32 years male..I had recently had a neck pain following which I took
calcium and D3 tablet for consecutive 3days within which I had these eruption which were itching, which I scratched mistakenly and then these eruption worsened and started spreading.they have some boils on them which are tremendously painful and sensitive to touch.is this happening due to the medicines I took or reason is something else...plz kindly suggest what medicine to take.