It can be distressing to wake up with a mysterious swollen red rash on your ... dermatologists typically notice "little red bumps, typically on the lower legs and ankles,” Dr. Melissa Levoska ...

Dermatofibromas are hard brown or red lumps ... about a hard lump under their skin should see a doctor for a diagnosis. Hard lumps are often nothing more than a cyst or swollen lymph node.

A poison oak rash looks like red, swollen bumps that may blister over. It often appears in a streaky pattern, since many people unknowingly brush up against the plant. To treat a poison oak rash ...