Identify this disease?

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Hello;

A friend of my has a aquarium filled with blood parrot fish and silver dollars. All of the silver dollars and some of the parrot fish have ich spots. So I want to ask does anyone know of a brand that know that works well. I used Aqquarium Munster white spot treatment once and it didn't help.

The other problem is that two of the parrot fish have ulcers and a strange white lump beside their eyes. Do you what this is and how to treat it?

Update: Used Seachem Paraguard for two days and the ich are gone.