If you’re shivering for no apparent reason, it’s a sure sign that…

Prolonged anxiety or stress can trigger physical symptoms, including unexplained tingling, especially during panic attacks.

Skin diseases
Chronic skin conditions, such as keratosis pilaris, resemble persistent “goosebumps”, but are usually harmless and localized.

When to see a doctor
Frequent tingling without a clear reason

Numbness, blurred vision, or mood swings