However, not all rashes that itch are related to skin allergies.

Four common types of skin allergy include contact dermatitis, eczema, hives, and swelling.

This article reviews the most common skin rashes and shows pictures of each.

A woman with a patch on eczema on her neck

-aniaostudio- / Getty Images

Common locations include the face, especially theeyelids, neck, hands, and feet.

Reproduced with permission from DermNet and Raimo Suhonen dermnetnz.org 2023.

In infancy, the rash most often occurs on the cheeks and/or scalp.

Contact Dermatitis

Reproduced with permission from © DermNet and © Raimo Suhonen dermnetnz.org 2023.

The rash causes severe itching, redness, oozing, and flaky scales.

In mild cases, eczema may be treated with ointments and moisturizers (emollients).

With more severe eczema, a healthcare provider may recommend prescription medication, including topical steroids and/or antihistamines.

Atopic Dermatitis_hands_Courtesy_of_DermNet_NZ_scorad1__WatermarkedWyJXYXRlcm1hcmtlZCJd

Courtesy ofDermNet NZ

Mild cases of hives will likely go away on their own in a few days.

Hives in the throat can block your airway, making it difficult to breathe.

It can occur with hives or it may be triggered by an allergic reaction.

Allergy-Rash-Explainer-Hives-Chronic-Urticaria

DermNet NZ

It often involves the lips, eyes, hands, and feet.

In cases where angioedema presents at the same time as hives, the swelling usually feels itchy.

In rare cases, severe swelling around the throat can block the ability to breathe.

A person with angioedema swelling of the lip or lips

Reproduced with permission from © DermNetdermnetnz.org2023.

This is a medical emergency known asanaphylaxis, which requires immediate medical attention and can be life-threatening.

Mild symptoms may not need treatment.

Reproduced with permission from DermNetdermnetnz.org2023.

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