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What is Sun Allergy? Symptoms, Causes and Treatment

What is Sun Allergy? Symptoms, Causes and Treatment Methods Sunlight is one of the most important sources of vitamin D for our body. However, in some people, exposure to sunlight may cause unexpected reactions on the skin. Redness, itching, rash or blisters that appear shortly after exposure to the sun can often be symptoms of a condition called sun allergy. Especially in spring and summer […]

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What is Sun Allergy? Symptoms, Causes and Treatment Methods

Sunlight is one of the most important sources of vitamin D for our body. However, in some people, exposure to sunlight may cause unexpected reactions on the skin. Redness, itching, rash or blisters that appear shortly after sun exposure can often be symptoms of a condition called sun allergy.

Sun allergy, which is more common especially in spring and summer, can negatively affect the quality of life and limit a person's daily activities. Symptoms can be largely controlled with early diagnosis and correct prevention methods.

In this article, you can find detailed information about what sun allergy is, why it occurs, its symptoms, in whom it is more common, how it is diagnosed and current treatment methods.

What is Sun Allergy?

Sun allergy is a general expression that describes various skin diseases that develop as a result of the immune system's abnormal reaction on the skin after exposure to sunlight.

Not every sun-related skin problem is a true allergy. In some cases, ultraviolet (UV) rays stimulate the immune system, while in some people, the skin develops extreme sensitivity to light.

Symptoms usually appear within a few minutes to a few hours after exposure to the sun. In some people, it may take 1-2 days for reactions to develop.

Types of Sun Allergy

Sun allergy is not a single disease. It covers multiple different tables.

Polymorphic Light Eruption (PMLE)

It is the most common type of sun allergy.

It occurs when exposed to the sun for a long time, especially in spring or early summer.

Symptoms include:

  • Itchy red rash
  • Small bubbles
  • Skin swelling
  • Burning sensation

may take place.

Photoallergic Reaction

Some medications, cosmetics or perfumes can interact with sunlight and cause an allergic reaction.

This table specifically:

  • Perfumes
  • Some antibiotics
  • Painkillers
  • Acne medications
  • Products containing retinoids

Can be seen after use.

Solar Urticaria

It is a rare but rapidly developing sun allergy.

Just a few minutes after sun exposure:

  • Hives-like bumps
  • Severe itching
  • Redness

may occur.

In some severe cases, serious symptoms such as shortness of breath and low blood pressure may also develop.

Actinic Prurigo

It is a chronic sun sensitivity that is mostly seen in people with a genetic predisposition.

Symptoms may begin in childhood and continue for years.

What are the symptoms of sun allergy?

Symptoms may vary from person to person.

The most common symptoms are:

  • Skin redness
  • Intense itching
  • Rash
  • Bubble formation
  • Burning sensation
  • Swelling
  • Hives-like lesions
  • Skin sensitivity
  • Flacking
  • Pain

The symptoms are mostly:

  • Face
  • Neck
  • Shoulders
  • Arms
  • Upper chest
  • Hands
It occurs in areas directly exposed to the sun, such as

.

What Causes Sun Allergy?

Many factors can increase the risk of developing sun allergy, although the exact cause is not always known.

These include:

  • Genetic predisposition
  • Having fair skin
  • Immune system differences
  • Use of some drugs
  • Cosmetic products
  • Perfumes
  • Herbal products
  • Hormonal changes
  • Autoimmune diseases

is available.

Ultraviolet A (UVA) and Ultraviolet B (UVB) rays can cause different reactions in different people.

In Whom Is It More Common?

Although sun allergy can affect anyone, some people are at higher risk.

Risk factors include:

  • Individuals between the ages of 20–40
  • Women
  • Light-skinned people
  • People with a family history of sun allergies
  • Those with autoimmune diseases
  • People using drugs that cause photosensitivity

is located.

How is Sun Allergy Diagnosed?

The diagnosis is first made by examination by a dermatologist.

When deemed necessary, the following methods can be applied:

  • Detailed patient history
  • Physical examination
  • Phototest (test with UV light)
  • Photopatch test
  • Blood tests
  • Skin biopsy (when necessary)

It is important to distinguish eczema, contact dermatitis, lupus and other skin diseases that may cause similar symptoms.

How to Treat Sun Allergy?

Treatment; It is planned according to the type and severity of the allergy and the general health condition of the person.

Methods that can be applied in treatment are as follows:

  • Sun protection
  • Use of broad spectrum sunscreen
  • Antihistamine drugs
  • Creams containing cortisone
  • Moisturizing products
  • Cold compress application
  • Systemic treatments when necessary
  • Phototherapy (controlled UV therapy)

Drugs should always be used with the recommendation of a physician.

Ways to Protect from Sun Allergy

Some measures are quite effective to prevent the symptoms from recurring.

These include:

  • Avoid going out directly into the sun between 10.00 and 16.00
  • Using sunscreen with SPF 30 or higher
  • Renewing sunscreen every two hours
  • Choosing a wide-brimmed hat
  • Using UV protected glasses
  • Wearing long-sleeved, light-coloured clothes
  • Avoiding sudden and prolonged sun exposure
  • Consulting with a doctor if new medications cause photosensitivity

When Should You Consult a Doctor?

In the following cases, a health institution should be consulted without delay:

  • Development of severe rash
  • Shortness of breath
  • Swelling of lips or throat
  • Common urticaria
  • Feeling of fainting
  • High fever
  • Severe pain
  • Signs of infection on the skin

These symptoms may require immediate evaluation.

Frequently Asked Questions

Does sun allergy go away completely?

While symptoms may ease over time in some people, sun allergy may continue for many years in some individuals. The frequency and severity of attacks can be significantly reduced with appropriate contraceptive methods.

Is sun allergy contagious?

No. Sun allergy is not contagious and does not pass from person to person through contact.

Does sunscreen prevent sun allergies?

Although they do not prevent it completely on their own, broad spectrum and high protection factor sunscreens can reduce the risk of symptoms by reducing exposure to UV rays.

Is sun allergy seen in children?

Yes. Sun-related skin reactions may occur, especially in children with genetic predisposition. It is important that rashes that develop in children be evaluated by a pediatrician or dermatologist.

Result

Sun allergy is a condition characterized by extreme skin reactions to sunlight. It may manifest itself with symptoms such as itching, redness, rash and blisters. Complaints can be largely controlled through early diagnosis, appropriate treatment and effective sun protection methods.

If you experience recurring skin reactions after sun exposure, it is recommended that you consult a dermatologist to determine the underlying cause and create a treatment plan suitable for you.

This content is for general informational purposes only. It does not constitute diagnosis, treatment, or advertising. Each application is specific to the individual and should be evaluated by your physician. It is not a substitute for medical advice; always seek professional medical opinion regarding your health condition.

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