INSTANT + APPOINTMENT
Bumpy arms
Q My arms and legs are covered in little red bumps, and nothing seems to get rid of them. What is this? Sian, Chippenham
A The most common cause of little red bumps on the arms and legs is a skin condition called keratosis pilaris (KP).
Around 50% of adolescents are affected, and 40% of adults. The exact cause is not known.
The diagnosis
