Can you be allergic to the sun? How common is sunlight allergy?

Ask the Raffles Medical Group Experts

Question:

What is sunlight allergy? How common is it?

Answer:

Sunlight allergy, also known as polymorphous light eruptions, usually occurs when itchy red rash appears on the sun-exposed skin. It is not common in Singapore. You should consult a dermatologist if you suspect you have sunlight allergy.