Sunburn blisters are fluid-filled sacs that develop on the skin following significant overexposure to ultraviolet (UV) radiation. This indicates a second-degree burn, affecting both the top layer (epidermis) and the layer beneath it (dermis). These blisters typically appear as small, clear, or whitish bumps that are often painful and can be itchy.
How Sunburn Blisters Heal Naturally
Sunburn blisters generally do not need to be intentionally popped. The body’s natural healing process involves the reabsorption of fluid as new skin forms underneath. This fluid-filled pocket acts as a protective barrier, shielding the damaged skin from potential infection and aiding healing. Allowing the blister to remain intact promotes faster and safer healing.
While some sunburn blisters may rupture on their own due to friction or movement, the fluid inside is typically sterile and contains proteins and immune cells that facilitate natural healing. The blister protects the raw, injured skin underneath, reducing the risk of bacterial entry. Sunburn blisters usually take a few days to a week to heal, depending on their size and severity.
Managing Sunburn Blisters Safely
Caring for sunburn blisters involves protecting the affected skin and supporting its natural healing. Keep the area clean and hydrated. Applying cool compresses or taking cool baths can help soothe pain and reduce inflammation. Using fragrance-free moisturizers such as aloe vera gel can also provide comfort and keep the skin moist, aiding healing.
Avoid intentionally popping sunburn blisters. Breaking the blister creates an open wound, increasing the risk of bacterial infection and potential scarring. If a blister accidentally ruptures, gently clean the area with mild soap and water. Apply an antibiotic ointment and cover the area with a nonstick gauze bandage to protect the exposed skin. Keep the area covered to promote healing and prevent contamination.
When to Consult a Doctor
While many sunburn blisters can be managed at home, certain signs indicate the need for medical attention. Seek care if you develop very large or widespread blistering, especially if it covers more than 20% of your body. Blisters located on sensitive areas, such as the face, hands, or genitals, also warrant a medical consultation. These areas are more vulnerable to complications and require careful assessment.
Signs of infection include increased redness, swelling, or pain around the blistered area, the presence of pus, or red streaks extending from the blisters. If you experience symptoms like a high fever, chills, nausea, vomiting, dizziness, or confusion, these could indicate a more severe reaction or heat-related illness, and immediate medical help should be sought.