A18 yr boy got bug bite i...

One of my patient 18y boy went to Singapore for studies.
Day first in hostel room he had insects bites over the body as hostel is in big campus of garden. Boy killed two' bugs and shown to doctor. See subsequent pictures......
Had fever for two days only, given Augmentation for ten days.
Partial response. Patient landed back to India, today morning at my residence and..…I said it's ischiar

What do you think it is ??