丘疹[kyuushin] pimple
口辺単純疱疹[kouhentanjunhoushin] cold sore
湿疹[shisshin] eczema
発疹[hasshin] rash
風疹[fuushin] rubella

麻疹[hashika] measles
匐行疹[fukkoushin] ringworm
疱疹[houshin] herpes
蕁麻疹[jinmashin] hives
汗疹[asemo] prickly heat

痛癢[tsuuyou] pain and itching
伎癢[giyou] itching to show off one's abilities

癢疹[youshin] rash that accompanies a severe itch