A Pokemon with corrosion cannot poison a Poison-type Pokemon. When a grounded Poison-type Pokemon shifts in, it will remove poisonous spikes from its side. This means that the Corrosion Pokemon cannot poison such a Pokemon.
If your Corrosion Pokemon is wearing rubber shoes, they will not affect the Poison-type Pokemon. The reason is that these kinds of attacks require contact with the skin to work their magic. If the Poison-type Pokemon doesn't make physical contact with your Corrosion Pokemon, it won't affect it.
Poisonous gases are another matter though. They can damage internal organs without touching any part of the body. Even if your Corrosion Pokemon is able to avoid taking direct hits, it can still be poisoned by these gases.
Gases are one of those things that can hurt or kill without anyone seeing it happen. If you are using Corrosion on an encampment of tents for example, make sure to do so before someone goes inside one of them!
Poison Pokemon are the most efficient of the 18 varieties in the game against both grass and fairy-type Pokemon. Poison-type Pokemon, like as ground, rock, ghosts, and other poison-type Pokemon, have several vulnerabilities. However, two types stand out above the rest in this situation: ground and psychic types. Grass- and fairy-type attacks do little against these Pokemon, except for a few exceptions such as Exeggcute and Delibird.
However, despite their weaknesses, there are still ways to defeat them. You can use a variety of strategies to beat a Poison-type attack. For example, if you are facing a ghost type Pokemon, then you should use a move that affects ghosts, such as Howl or Shadow Ball. If it's a dark type Pokemon, then you should use a light-based attack, such as Fly or Sunray Beam.
Some Pokemon are naturally resistant to certain attacks. For example, Machoke is immune to thunder-type moves. Other Pokemon gain immunity through experience; for example, Machoke will become immune to thunder after using it enough times. Still others can acquire immunity through items or abilities. For example, Machoke can wear a Thunder Helm to become immune to thunder-type moves even before gaining experience.
Finally, some Pokemon are completely immune to certain attacks. For example, Swinub cannot be damaged by any attack except for those that cause death by suffocation or explosion.
Grass-type Pokemon, Pokemon wearing an overcoat, and Pokemon wearing safety goggles are no longer affected by poison powder.
Ivysaurs have the useful ability of being poison resistant. An Ivysaur cannot be poisoned from outside sources, but they can be damaged by poison-type attacks. Ivysaurs are a kind of Pokemon that is often seen in captivity. There are several ways to poison an Ivysaur: stinging, biting, and spraying it with toxins. All Pokemon have immune systems just like people do; therefore, poisoning them requires more than one source of toxicity. Ivysaurs are not only resistant to poisons, but they are also quick to recover so there's no need for more than one attack.
To date, there have been no reports of anyone poisoning an Ivysaur. However, if you were to try, here are some things to note: poison types have a tendency to be spread around toxic plants and insects. For example, Poisonous Tentacula may be used to hurt an Ivysaur since it is a venomous creature itself. Another method could be to use multiple attacks from different creatures. For example, a trainer might try to poison an Ivysaur by using both biting and spraying attacks. Finally, keep in mind that if an Ivysaur is poisoned, it will suffer damage equal to 1/4 of its total health each time it uses an action. If it isn't cured within 20 minutes, then it will likely die.
To defeat poison-type Pokemon, you must employ ground or psychic kinds. Diglett and Mewtwo are both viable alternatives here. If you run into a Poison-type Pokemon in battle, use one of these types on your opponent to put it out of its misery.
Poison-type Pokemon are killed by the following items: sandals, shoes, boots; iron; steel; rock slides; drills; magic; fire; heat; ice; thunder; sunlight; moonshine; fairy lights; glow sticks; poison gas; corrosive liquids; evil spirits; demon claws; demon teeth; demon horns; demon wings; devil arms; devil legs; devil feet; devil head; and devil tail.
If you use any of these items on a Poison-type Pokemon, it will die immediately. However, if you use more than one item at a time, they will kill the Pokemon multiple times with different methods. For example, you could use a rock slide on a Poison-type Pokemon while wearing iron shoes. The poison gas would kill it instantly, and the rock slide would further damage the same body part so it would be unable to fight back.
You can also use these items on non-poisonous Pokemon to destroy them permanently.