input: [0] Worms [1] Skin & Gill Flukes [2] Inflamed gills, excess mucus on skin, scraping body on rocks (flashing) [4] Avoid adding the water from the bag of new fish into your aquarium, and discard the water in the fish bag. Quarantine new fish before adding them to your aquarium in a separate isolation tank. [3] 
output: Add Praziquantel to water. Feed an anti-parasite-medicated food.