Thanks for posting your query at DoctorSpring.com
I can understand your concern. I reviewed the pictures.
You seem to be having what we call erythema multiforme. It can happen due to allergy to a medication or due to an infection like herpes simplex.
I would recommend visiting a dermatologist to rule out the cause of the erythema multiforme and treat it accordingly.
I would recommend taking an anti histamine like tab. Claritin once daily.
Please let me know if you have any queries. Take care