Heat rashes may have: It can be hard to tell the difference between a rash and a birthmark on a baby. Birthmarks often appear at birth or within the first few weeks. Types of birthmarks often found on ...

Heat rash is most common in babies who are less than a week old, are sick, or are too hot. Dressing the baby in clothes that ...

Babies often develop rashes, and finding a cause is often difficult. However, rashes on a baby’s face may result from a cow milk allergy. A dairy allergy rash may be raised, discolored ...