Colic is common. It usually starts a few weeks after birth and often improves by age 3 months. By ages 4 to 5 months, the majority of babies with colic have improved.
When to see a doctor
Seek immediate medical attention if your baby's crying could be the result of a fall, injury or illness.

Treatment of rashes depends on the type of rash on the child after a physical examination is carried out. Kindly see a Paediatric dermatologist for examination