Figuring out the trigger is key to relief and healing.

Some rashes clear up on their own, but more severe ones require medical treatment.

Chickenpox

Chickenpox is sparked by thevaricella-zostervirus.

Chickenpox Rash

Reproduced with permission from © DermNet and © Te Whatu Ora Waikatodermnetnz.org2023.

A person can have between 100 and 300 blisters during achickenpox infection.

The blisters eventually get cloudier and burst, leaving a yellowish crust.

Do not give children asprin when they have chicken pox.

Boy with chickenpox

sergiophoto84 / Getty Images

This photo contains content that some people may find graphic or disturbing.

Reproduced with permission from DermNet and Te Whatu Ora Waikatodermnetnz.org2023.

This rash has a distinct distribution that makes it easy for a healthcare provider to diagnose.

shingles

CMSP / Gettty Images

Shingles' blisters cause persistent and often severe pain when they rupture.

They heal in seven to 10 days.

If you suspect you have shingles, see your healthcare provider.

Shingles rash on the breast and around

Reproduced with permission from ©DermNet NZwww.dermnetnz.org2022.

CMSP / Gettty Images

Reproduced with permission from DermNet NZwww.dermnetnz.org2022.

Hives and Allergies

Fluid-filledhives(itchy welts) and blisters are typical signs of an allergic reaction.

These can form right on top of a rash and may burst or leak fluid and form crusts.

Poison ivy rash on arm

JodiJacobson / Getty Images

Avoiding the allergen is the first step to ending the outbreak.

you’ve got the option to use over-the-counter hydrocortisone cream, calamine lotion, and antihistamines.

See your healthcare provider if the symptoms are serious or do not clear up.

Plant dermatitis on the arm from contact with a rhus tree

Plant dermatitis from contact with a rhus tree.Reproduced with permission from © DermNetdermnetnz.org2023.

Most people are sensitive to urushiol and develop a blistery rash anywhere the chemical touches the skin.

However, if the rash is more widespread or severe, see a healthcare provider.

Reproduced with permission from DermNetdermnetnz.org2023.

Dyshidrotic Eczema on the palm

Reproduced with permission from © DermNet and © Raimo Suhonendermnetnz.org2023.

Dyshidrotic Eczema

Dyshidrotic eczema, orpompholyx, is an itchy rash that looks almost like tapioca pudding.

It mainly develops on the hands and feet and isn’t contagious.It causes white or flesh-toned fluid-filled bumps.

The cause is unknown, but it’s believed to be related to abnormal immune function.

Dyshidrotic Eczema on hand

Reproduced with permission from © DermNetdermnetnz.org2023.

Dyshidrotic eczemamay leave behind red, dry, and cracked scales.

Reproduced with permission from DermNet and Raimo Suhonendermnetnz.org2023.

Skin injuries include:

These types of rashes can often be treated with over-the-counter creams and home remedies.

Blisters on a back that appeared four days after a sunburn

Mr_Jamsey / Getty Images

However, severe skin traumas carry a risk of infection and may need medical treatment.

The affected area is often red and has clusters of tiny blisters.

P. Marazzi / Science Photo Libary / Getty Images

Reproduced with permission from DermNet New Zealandwww.dermnetnz.org2023.

Red papules on the skin due to scabies

P. Marazzi / Science Photo Libary / Getty Images

It can be caused byStreptococcusorStaphylococcusbacteria.

Sores quickly develop into blisters, which leave behind a honey-colored crust after bursting.

Impetigo treatment usually involves an antibiotic.

A person’s hands with scabies

Reproduced with permission from © DermNet New Zealandwww.dermnetnz.org2023.

A DH rash is sometimes mistaken for eczema.

It is more common during the summer months or in hot, dry climates.

Thin blisters or tiny water blisters may appear on the baby’s face, trunk, and arms.

Impetigo rash beneath a mans lower lip

Science Photo Library / Getty Images

Seek emergency medical care if your symptoms include mental confusion or trouble breathing.

Minor rashes can often be relieved with home care.

However, more serious ones require medical treatment.

A person with impetigo sores on their face

Reproduced with permission from © DermNet New Zealandwww.dermnetnz.org2023.

A Word From Verywell

Vesicles and blisters on the skin can be due to many things.

Fortunately, these conditions typically respond to treatment, and your provider can get you on the right track.

Centers for Disease Control and Prevention.Chickenpox symptoms and complications.

Dermatitis Rash

HKPNC / Getty Images

Center for Disease Control and Prevention.How to Treat Chickenpox.

Centers for Disease Control and Prevention.Shingles (herpes zoster).

Yale Medicine.Allergic contact dermatitis.

An illustration of a person applying cream to red spots and blisters on their face.

Illustration by Michela Buttignol for Verywell Health

American Academy of Dermatology.Eczema types: contact dermatitis.

Monroe J.Toxicodendron contact dermatitis: a case report and brief review.J Clin Aesthet Dermatol.

2020;13(9 Suppl 1):S29-S34.

Casey Gallagher, MD

2018;71(9):1707-1713.

[Article in Ukrainian.

Texas A&M University.Blister beetle.

Nemours: TeensHealth.I got blisters from a sunburn.

What do I do?

Banerji A.Scabies.Paediatr Child Health.

2015;20(7):395-402.

Pereira LB.Impetigo - review.An Bras Dermatol.

Antiga E, Caproni M.The diagnosis and treatment of dermatitis herpetiformis.Clin Cosmet Investig Dermatol.

2015;8:257-65. doi:10.2147/CCID.S69127

Johns Hopkins Medicine.Dermatitis herpetiformis.

DermNet.Heat rash (miliaria): images, causes, and treatment.

Seattle Children’s HospitalHeat rash.

American Academy of Dermatology Association.How to relieve itchy skin.

American Academy of Dermatology.Rash 101 in adults: When to seek medical treatment.