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# Understanding Red Spots on the Skin: Causes, Implications, and When to Seek Medical Attention

Red spots on the skin can be concerning, especially when they appear suddenly or without an obvious cause. While many instances are harmless and resolve on their own, some may indicate underlying health issues that require medical attention. This comprehensive guide explores the various causes of red spots on the skin, how to differentiate between benign and serious conditions, and when to consult a healthcare professional.

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## What Are Red Spots on the Skin?

Red spots on the skin are small, discolored areas that can vary in size, shape, and texture. They may appear as:([verywellhealth.com][1])

* **Petechiae**: Tiny, pinpoint-sized red or purple dots caused by bleeding under the skin.([verywellhealth.com][1])

* **Cherry Angiomas**: Small, bright red growths made up of clusters of blood vessels.([self.com][2])

* **Rashes**: Widespread areas of redness that may be flat or raised, often accompanied by itching or discomfort.

* **Pimples or Acne**: Inflamed, red bumps that can occur due to clogged pores.

* **Heat Rash**: Red spots caused by blocked sweat glands, often appearing in hot and humid conditions.([nivea.co.uk][3])

The appearance and distribution of these spots can provide clues about their cause.([webmd.com][4])

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## Common Causes of Red Spots on the Skin

### 1. Petechiae

Petechiae are small, pinpoint-sized red or purple spots that occur when tiny blood vessels (capillaries) break beneath the skin. They do not blanch (fade) when pressed, which distinguishes them from rashes. Common causes include:([verywellhealth.com][1], [webmd.com][4])

* **Infections**: Viral infections like mononucleosis, bacterial infections such as endocarditis, or conditions like scarlet fever. ([my.clevelandclinic.org][5])

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