40y old male pt, symptoms of viral fever, such eruptions on 3rd day, paracetamol and cough syrup was prescribed, could it be drug related? what investigations are required?

12 yr old male complains of itching and rash in right leg and fever for 2 days

A 15yo boy presents to clinic with his mother. He complains of a rash on his legs that started 1 week ago and started to spread rapidly across his legs and lower buttocks. He also complains of some ankle pain, but is otherwise well. What is your diagnosis? How would you proceed?

9 months baby since 2 days rashes on hand foot ulcers in mouth,fever on and off, episodes of convulsions more than 6 times diagnosis and treatment please

10 years old male child. History of fever 10 days back, no other localising symptoms...treated with inj ceftriaxone amikacin and chloroquine in view of widal titre ah 1:320, developed rashes on lower limb on day 7 of presentation...fever resolved 2 days prior to rashes. Rashes developed on lower limbs and Non blanchable, non pruritic in nature. Child is normotensive and otherwise asymptomatic, cbc is wnl Diagnosis??