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COVID-19 Rashes: 5 Types, Symptoms, And Management

Understand the various skin rashes linked to COVID-19, from common viral rashes to rare vaso-occlusive lesions and vaccine reactions.

By Medha deb
Created on

Skin rashes are not among the most common symptoms of COVID-19 but can occur in some infected individuals, affecting up to 20% of cases according to early reports from dermatologists. These rashes vary widely in appearance, location, duration, and severity, often resembling those seen in other viral infections. While most resolve without intervention, they can signal infection or complications, prompting the need for testing and monitoring. This article details the primary types of COVID-19-associated rashes, their characteristics, potential causes, and management strategies, drawing from clinical observations and studies.

What Causes a Rash with COVID-19?

The exact mechanisms behind COVID-19 rashes remain under investigation, but several theories predominate. The SARS-CoV-2 virus may trigger an overactive immune response, leading to inflammation that manifests on the skin. Vascular effects, such as blockages in small blood vessels reducing oxygen supply, contribute to certain lesions, particularly in severe cases. Additionally, the virus might reactivate latent infections like herpes or interact with medications used in treatment, exacerbating skin reactions. Rashes can appear at illness onset, during recovery, or even weeks later, with children and young adults more prone to some forms like pernio.

Types of COVID-19 Rashes

COVID-19 rashes are classified into several patterns based on morphology, distribution, and timing. The most prevalent is the maculopapular or viral exanthem rash, but others include urticarial, vesicular, pernio-like (COVID toes), and vaso-occlusive types. Below, we break down each type with descriptions, common sites, sensations, and timelines.

Maculopapular Rash (Viral or Measles-Like)

The

maculopapular rash

is the most frequent skin manifestation in COVID-19, akin to rashes from other viruses or drug reactions. It presents as small, flat or slightly raised spots that are red on lighter skin or purple-brown on darker tones, often blanching under pressure.
  • Appearance: Clusters of bumps or patches, measles-like in some cases.
  • Location: Trunk, arms, legs; widespread but spares palms/soles typically.
  • Sensation: Itchy, sometimes mildly tender.
  • Timing: Emerges within days of infection onset, lasts 1-2 weeks.

This rash is slightly more common in women and correlates with mild to moderate illness.

Urticarial Rash (Hives)

**Urticaria** or hives arise from a hyperactive immune response, potentially as an early infection sign. These are raised, itchy welts that migrate across the body.

  • Appearance: Red or skin-colored welts, variable size.
  • Location: Torso, back, arms, legs; can appear anywhere.
  • Sensation: Intensely itchy, sometimes burning.
  • Timing: Can recur in new spots, resolves with infection or sooner (days to weeks).

Hives may precede other symptoms, urging prompt COVID testing.

Perio-like Lesions (COVID Toes or Chilblains)

**COVID toes**, or pernio-like lesions, involve swollen, discolored digits, predominantly in healthy children, teens, and young adults with mild or asymptomatic COVID.

  • Appearance: Pink, red, purple toes/fingers; round spots, blisters, or rough patches.
  • Location: Toes (primarily), fingers; acral areas.
  • Sensation: Itchy, painful, burning.
  • Timing: Delayed onset (weeks after infection), may persist months.

These resemble frostbite and stem from vascular inflammation.

Vesicular Rash (Chickenpox-Like)

A

vesicular rash

features small, fluid-filled blisters on a red base, mimicking varicella. More common in adults.
  • Appearance: Tiny blisters scattered or clustered.
  • Location: Trunk, extremities.
  • Sensation: Itchy or painful.
  • Timing: At symptom onset, high survival rate (96%).

Vaso-Occlusive Lesions

Rare and tied to severe COVID, these result from blood vessel blockages.

  • Appearance: Purple/black patches, circular patterns.
  • Location: Torso, forearms, hands, feet.
  • Sensation: Painful.
  • Timing: During hospitalization, with pneumonia.

COVID-19 Rash in Kids vs. Adults

Children often develop pernio-like lesions (COVID toes) with minimal systemic symptoms, while adults see more maculopapular or vesicular rashes. A study identified five key pediatric skin symptoms: acral blisters, burning sensations, erythematopapular rashes, urticaria, and hair loss. Severity varies; kids’ rashes may delay post-infection.

Rash TypeMore Common InKey Features
MaculopapularAdultsWidespread, itchy, early onset
UrticariaBothMigratory welts, intense itch
COVID ToesKids/Young AdultsSwollen digits, delayed
VesicularAdultsBlisters on trunk

COVID Vaccine Rashes

Vaccines can induce mild rashes, distinct from infection-related ones.

  • Injection Site Reaction: Immediate redness/swelling.
  • COVID Arm: Delayed (week later) tender rash at site.
  • Body Rashes: Hives or maculopapular spots.

These self-resolve quickly without treatment.

When to See a Doctor for a COVID Rash

Most rashes are benign, but seek care if accompanied by fever, shortness of breath, confusion, or if painful/widespread. Test for COVID if rash is new. Urgent signs include bloodshot eyes, vomiting, or swollen lips in multisystem inflammatory syndrome (MIS).

Treatments for COVID-19 Rashes

Symptomatic relief suffices: cool compresses, oral antihistamines (e.g., loratadine), topical steroids for itch. Severe cases may need hospitalization for underlying COVID. Avoid irritants; moisturize.

Frequently Asked Questions (FAQs)

How long does a COVID rash last?

Typically 1-2 weeks for most types; COVID toes may linger months.

Is a rash a sign of severe COVID-19?

Usually not; vaso-occlusive rashes signal severity.

Can you get a COVID rash without other symptoms?

Yes, especially COVID toes in youth.

Does the COVID vaccine cause the same rashes as infection?

Similar but milder, often localized.

Should I pop blisters in a vesicular COVID rash?

No; risks infection. Use calamine lotion.

References

  1. COVID-19 Rash: Types, Symptoms, and Treatment — GoodRx. 2023. https://www.goodrx.com/conditions/covid-19/coronavirus-skin-rash-covid-toe-symptoms
  2. Skin‐related symptoms found in people with COVID‐19 during the … — PMC (PubMed Central). 2023-01-18. https://pmc.ncbi.nlm.nih.gov/articles/PMC9878176/
  3. Skin Rashes: An Emerging Symptom of COVID-19 — Cleveland Clinic Consult QD. 2020. https://consultqd.clevelandclinic.org/skin-rashes-an-emerging-symptom-of-covid-19
  4. COVID toes and other rashes COVID-19 may cause — American Academy of Dermatology (AAD). 2023. https://www.aad.org/public/diseases/a-z/covid-toes
  5. COVID-19 Rashes — Iowa Dermatology Consultants. 2023. https://iowadermatologyconsultants.com/medical-services/covid-19-rashes/
Medha Deb is an editor with a master's degree in Applied Linguistics from the University of Hyderabad. She believes that her qualification has helped her develop a deep understanding of language and its application in various contexts.

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