it looks like some bed bug bitten case. avoid scratching that area if you develop the itch. i suggest you antihistamine drug like tablet levocetirizine 5 mg twice daily for five days and tablet acenac-p (aceclofenac and paracetamol) twice daily for five days. consult your specialist doctor discuss with him or her and take medicine with consent. apply clindamycin lotion and do not wash the area to avoid any bacterial infection. avoid touching that area frequently and do not apply anything over it. for further information consult a dermatologist online --> <link>
my legs are itchy and red. is that due to insect bite?