| Type | poison | 
| Category | Special | 
| Power | 95 | 
| Accuracy | 100 | 
| PP | 10 | 
| Introduced | Generation 5 | 
Sludge Wave deals damage and has a 10% chance of poisoning the target.
Poison or Steel type Pokémon, those with the ability Immunity or those behind a Substitute cannot be poisoned.
When a Pokémon is holding Poisonium Z and uses its Z-Power, Sludge Wave turns into Acid Downpour and has base power 175.
| Black White Black 2 White 2 | It swamps the area around the user with a giant sludge wave. It may also poison those hit. | 
| X Y O.Ruby A.Sapphire | The user strikes everything around it by swamping the area with a giant sludge wave. This may also poison those hit. | 
| Sun Moon Ultra Sun Ultra Moon | The user strikes everything around it by swamping the area with a giant sludge wave. This may also poison those hit. | 
| Sword Shield B.Diamond S.Pearl | The user strikes everything around it by swamping the area with a giant sludge wave. This may also poison those hit. | 
| English | Sludge Wave | 
|---|---|
| Spanish | Onda Tóxica | 
| Italian | Fangonda | 
| Japanese | ヘドロウェーブ (Herodo Wave) | 
| German | Schlammwoge | 
| French | Cradovague |