| Type | poison |
| Category | Special |
| Power | 40 |
| Accuracy | 100 |
| PP | 30 |
| Introduced | Generation 1 |
Acid deals damage and has a 10% chance of lowering the target's Special Defense by one stage.
Stats can be lowered to a minimum of -6 stages each.
When a Pokémon is holding Poisonium Z and uses its Z-Power, Acid turns into Acid Downpour and has base power 100.
| Gold Silver Crystal | An attack that may lower DEFENSE. |
| Ruby Sapphire Emerald | Sprays a hide-melting acid. May lower DEFENSE. |
| FireRed LeafGreen | The foe is sprayed with a harsh, hide-melting acid that may lower DEFENSE. |
| Diamond Pearl Platinum HeartGold SoulSilver | The foe is attacked with a spray of harsh acid. It may also lower the target’s Sp. Def stat. |
| Black White Black 2 White 2 | The opposing team is attacked with a spray of harsh acid. The acid may also lower the targets’ Sp. Def stats. |
| X Y O.Ruby A.Sapphire | The opposing Pokémon are attacked with a spray of harsh acid. This may also lower their Sp. Def stats. |
| Sun Moon Ultra Sun Ultra Moon L.G. Pikachu L.G. Eevee | The opposing Pokémon are attacked with a spray of harsh acid. This may also lower their Sp. Def stat. |
| Sword Shield B.Diamond S.Pearl | Opposing Pokémon are attacked with a spray of harsh acid. This may also lower their Sp. Def stats. |
| English | Acid |
|---|---|
| Spanish | Ácido |
| Italian | Acido |
| Japanese | ようかいえき (Yōkaieki) |
| German | Säure |
| French | Acide |