Red dots on the skin can be caused by various factors, ranging from minor irritations to more significant underlying conditions. According to the provided reference, common causes include pityriasis rosea, acne, atopic dermatitis, psoriasis, petechiae, and various rashes.
Common Causes of Red Spots on Skin
Here's a breakdown of some of the potential causes:
- Acne: Often appears as red bumps or pimples, especially on the face, chest, and back.
- Atopic Dermatitis (Eczema): Characterized by itchy, red, and inflamed skin, usually found in skin folds.
- Pityriasis Rosea: Starts as a large, scaly patch (herald patch) followed by smaller, oval-shaped red spots on the trunk and upper arms.
- Petechiae: Tiny, flat, red or purple spots caused by bleeding under the skin, often due to minor injuries or certain medical conditions.
- Psoriasis: Causes raised, red, scaly patches that can appear anywhere on the body.
- Rashes: A general term for skin eruptions that can be caused by allergies, infections, or irritants.
Other Potential Causes
While the reference lists some common causes, other possibilities exist:
- Cherry Angiomas: Small, benign red growths that are common in adults.
- Heat Rash: Develops when sweat ducts are blocked, causing tiny red bumps.
- Insect Bites: Can cause localized red spots with itching or swelling.
When to See a Doctor
If you notice red spots on your skin, it's important to observe any accompanying symptoms, such as itching, pain, or fever. If the spots are widespread, persistent, or accompanied by other concerning symptoms, consult a healthcare professional for proper diagnosis and treatment.
