Sun blisters usually last between a few days and week.

Sun blisters can usually be treated at home.

As such, they can be highly painful.

Sunburn with blisters on the back of a young man

Karen Poghosyan / Getty Images

Without protection, your symptoms may be more severe.

First-degree (superficial) burnsare typically mild and only affect the epidermis.

Symptoms include:

Second-degree burnsaffect the epidermis and dermis.

Common symptoms include:

Third-degree burns,which are the most severe, destroy the epidermis and dermis.

In some cases, they may also damage bones, muscles, and tendons.

Symptoms can include:

Skin infections are another complication to watch for.

They can appear in a few short hours after exposure or take up to 24 hours to develop.

Symptoms of second-degree sunburn include the formation of blisters, deep redness, and severe pain.

Get out of the sun at the first signs of redness.

Skin Cancer Foundation.Sunburn & your skin.

UPMC Health Beat.How to treat sun blisters.

Burn and Reconstructive Centers of America.How long does sunburn last?

What to know about the short and long-term effects of sunburn.

Johns Hopkins Medicine.Burns and wounds.

Northwestern Medicine.Quick dose: When should I see a physician for sunburn?

University of Pittsburgh Medical Center.Sun poisoning dangers: symptoms, treatment, and prevention.

TeensHealth.I got blisters from a sunburn.

What should I do?

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MedlinePlus.Liver spots.

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