Major categories of cutaneous eruptions in COVID-19
| Category | Presentation | Onset rates | Survival rates | Additional notes |
|---|---|---|---|---|
| Morbilliform Pink-erythematous | blanching macules and papules, commonly on trunk and lasting < 1 week | Usually within 2 weeks of COVID-19 symptom onset | Higha | Most common cutaneous finding in confirmed COVID-19 cases |
| Urticarial | Transient, pruritic edematous papules and plaques lasting about 1 week | Can be before COVID-19 symptoms | Higha | Reported association with gastrointestinal symptoms |
| Vesicular | Minimally pruritic vesicular eruption that can be localized or diffuse | Can be before COVID-19 symptoms | Higha | Reported association with neurologic symptoms |
| Pseudo chilblains | Younger, healthy patients with tender red-purple papules affecting toes more than fingers | Usually within 2–4 weeks after COVID-19 symptom onset Recently reported in “long-haulers” | Higha | Association with SARS- CoV-2 infection is debated |
| Vaso-occlusive | Hospitalized patients with retiform purpura, livedo racemosa, acral necrosis, or sacral ulcers | Usually within 2 weeks of COVID-19 symptom onset | Lowerb | Linked to systemic vascular thrombosis |