My 15 year old son been at his Nanny house for the weekend and he came back home with different sizes of bumps

Seeing round red patches on your skin can feel alarming at first. Many people immediately think of allergies or serious illness. In reality, circular rashes are quite common. Some are harmless and temporary. Others need the right treatment to prevent spreading.

Understanding what might cause them helps you react calmly instead of jumping to worst case scenarios.