Bump on head with pus and hair loss causes bald spot
Patient :Hi, few weeks ago I have a coin-size bump on my head and it has a lot of pus in it. I squeezed it out and realized the hair on the bump fell out easily when I accidentally pulled it. It left a bald spot on my head and my hair has never grown back since then. What happened and what can I do to encourage hair grow on that spot?
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