<unk>  or<unk> a is a rash (small spots) on the mucous membranes. It is characteristic of patients with viral infections causing hand foot and mouth disease, measles, and sometimes chicken pox, or COVID-19. In addition, bacterial infections such as Scarlet fever may also be a cause of<unk> a. The aforementioned diseases usually present with<unk> a and<unk> a.<unk> a can also indicate hypersensitivity.
Enanthem
Exanthem
Grocer's itch
Yaws
Saddle sore
Scrubs 
Ground itch
Blister