What should you know about heliocare sun allergy?

Sun allergy is a light-triggered skin reaction, often called polymorphic light eruption. It may appear as small raised spots, patches, or blisters on areas that received sun, commonly the chest, arms, or neck. The rash can itch or burn and may develop after a period of limited sun exposure. A clinician may consider medicines, skincare products, or other light-sensitive conditions when the pattern is atypical.

Move out of direct sunlight when symptoms begin and cover exposed skin with tightly woven clothing, a hat, and shade. Use broad-spectrum sunscreen as directed, reapplying after sweating or washing. Keep the skin cool and avoid scratching, fragranced products, and deliberate tanning while it settles. A pharmacist or clinician may suggest a suitable anti-itch product; prescribed options can include [Topical Corticosteroids](/treatments/medical-dermatology/topical-corticosteroids/). Recurrent cases may be assessed for supervised light conditioning such as [Narrowband UVB Phototherapy](/treatments/medical-dermatology/narrowband-uvb-phototherapy/). Read more about [Sun Sensitivity](/symptoms/sun-sensitivity/).

Arrange medical assessment if the rash is severe, spreads beyond sun-exposed skin, keeps returning, or does not improve after avoiding sunlight. Seek urgent help for facial swelling, trouble breathing, faintness, widespread blistering, or signs of infection such as increasing warmth, pus, or fever.

Ask whether the timing and distribution fit polymorphic light eruption, whether a medicine or product could be increasing light sensitivity, and which sunscreen and anti-itch treatment suit your skin. Ask what symptoms should prompt urgent review and how to reduce recurrences during travel or outdoor activities.