| Type | poison |
| Category | Physical |
| Power | 50 |
| Accuracy | 100 |
| PP | 25 |
| Introduced | Generation 3 |
Poison Tail deals damage and has a 10% chance of poisoning the target. It also has an increased critical hit ratio (1⁄8 instead of 1⁄24).
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, Poison Tail turns into Acid Downpour and has base power 100.
| Ruby Sapphire Emerald | Has a high critical-hit ratio. May also poison. |
| FireRed LeafGreen | An attack with a high critical-hit ratio. It may also poison the foe. |
| Diamond Pearl Platinum HeartGold SoulSilver | An attack with a high critical-hit ratio. This tail attack may also poison the foe. |
| Black White Black 2 White 2 | The user hits the target with its tail. It may also poison the target. Critical hits land more easily. |
| X Y O.Ruby A.Sapphire | The user hits the target with its tail. This may also poison the target. Critical hits land more easily. |
| Sun Moon Ultra Sun Ultra Moon | The user hits the target with its tail. This may also poison the target. Critical hits land more easily. |
| Sword Shield B.Diamond S.Pearl | The user hits the target with its tail. This may also poison the target. Critical hits land more easily. |
| English | Poison Tail |
|---|---|
| Spanish | Cola Veneno |
| Italian | Velenocoda |
| Japanese | ポイズンテール (Poison Tail) |
| German | Giftschweif |
| French | Queue-Poison |