Exposure to sunlight can cause skin allergy, with rash and hives. To prevent it you can buy medicines from an online drug store or get advice from us, wear protectors, appropriate clothing, and avoid the beach during the hottest hours.
The sun brings us several benefits: it gives people a healthier appearance, allows the synthesis of vitamin D (ideal for ensuring bone health), and has an antidepressant action. In countries with little sun, light therapy (phototherapy) is used to reduce seasonal depressions (depression that usually occurs in winter and is quite common).
However, not everything is good ... excessive sun exposure, and without proper care, can negatively affect our health, which can be chronic, such as skin aging and skin cancer, or acute, such as sunburn and photosensitivity.
Photosensitivity, sometimes known as sun allergy, is an abnormal skin reaction triggered or aggravated by sunlight. This reaction can have different characteristics, so it is important to understand the main types and their causes:
- Polymorphic solar eruption (EPS): it is characterized by the appearance of red nodules accompanied by intense itching (itching) that usually appear after a few hours or days of sun exposure. It occurs mainly in those who are not regularly exposed to the sun. However, it tends to disappear when the person begins to expose himself more frequently;
- Solar urticaria: appears a few minutes after sun exposure and is characterized by large, red papules accompanied by itching;
- Chemical photosensitivity: it can occur due to the taking of certain medications (antidepressants, antimalarials, for acne, etc.) or the application of certain cosmetics and is triggered when we are exposed to the sun. It may present several symptoms such as redness, inflammation, peeling, blisters, etc.
The important thing is to prevent!
Prevention is the keyword ... If you have a tendency to develop allergies to the sun, the ideal would be to avoid sun exposure or to wear clothing with sun protection, however as it is difficult to avoid the sun, particularly in a country like ours, it is essential to the following recommendations:
- avoid sun exposure between 11 am and 4 pm (when the radiation is strongest);
- privilege temporary and progressive exhibitions, especially at the beginning of the summer;
- wear a wide-brimmed hat, long-sleeved clothing, and sunglasses;
- bet on suitable sunscreens, hypoallergenic with high protection index and against UVA and UVB radiation;
- frequently renew the protector's application and in the appropriate amount (½ teaspoon for each arm, face, and neck and 1 teaspoon for each leg, trunk, and back).
All of these recommendations should be followed by the general population, even if there is no photosensitivity.
If you have a tendency to develop skin reactions after sun exposure, visit online drug store. We have professionals able to inform you about photosensitivity, indicating the most suitable sunscreens for your skin. Whenever necessary, we advise you to go to the dermatologist so that he can assess your situation.