What could a red spot on my nail bed indicate?

A red spot on your nail bed can be concerning, and there are a few possible explanations for it. One possibility is a condition called erythronychia. This condition involves red discoloration of the nail and can appear as a single red band or multiple bands across the nail. Erythronychia can be caused by various factors, including trauma or underlying skin conditions.

Another potential cause is a subungual glomus tumor. This is a type of benign (non-cancerous) tumor that can form under the nail. It often causes pain and a red or bluish spot on the nail. Diagnosis of a glomus tumor is typically confirmed through imaging techniques.

If you notice a red spot on your nail bed, it's a good idea to see a healthcare provider. They can evaluate your symptoms and determine the cause. Early diagnosis and treatment can help manage any potential issues effectively.