From Bulbapedia, the community-driven Pokémon encyclopedia.
Items (Japanese: どうぐ tool) are collectible goods that exist in all forms of the Pokémon media. They have various uses, including healing, powering up, or helping one to catch Pokémon. Below is a list of item categories, with a brief description of each item. More information can be found in the items' respective articles.
These are items that are stored in the Bag.
Some items allow the recovery of a Pokémon's HP. Typically, these are food items and include drinks, ethers, herbal medicine, Potions, Revives, the RageCandyBar and the one-of-a-kind Sacred Ash.
Some status ailment healing items will cure a Pokémon of other injuries.
Some items will increase a Pokémon's stats either for the long-term (Vitamins) or just in a battle (Battle items). Stats can also be increased through evolution; some Pokémon evolve when exposed to specific evolutionary stones or another item.
Held items are items given to a Pokémon to hold onto by its Trainer. These items can help the Pokémon in battle (such as Berries, in-battle effect items, stat-enhancing items, or type-enhancing items), help the Pokémon to reproduce (such as incense) or provide communication with others (such as Mail).
A Poké Ball is a useful tool for catching Pokémon.
Poké Balls are a mechanism in which a captured Pokémon is kept. Poké Balls come in many varieties, each of different strength.
Escape Ropes are used to return to the entrance of a cave or dungeon.
Experience-affecting items such as the Exp. Share and Lucky Egg aid a Pokémon's growth.
Escape items, such as Poké Doll and Fluffy Tail, provide easy escape from a wild Pokémon.
Repel prevents wild Pokémon from appearing. There are many different types, each with a different strength.
Only in Pokémon Colosseum and Pokémon XD, Cologne increases a Pokémon's friendship.
Honey attracts wild Pokémon to grassy patches and can be slathered on special trees in the Sinnoh region to attract rare Pokémon.
TMs and HMs provide a wider movepool for Pokémon to learn from. Some moves will have additional use outside of battle.
Mulch is used in Berry growth.
Valuable and exchangeable items
Some items have no purpose other than to earn money for the player or otherwise help obtain other goods. These can specifically refer to Coins, Apricorns, and Shards, but other valuable items and exchangeable items can also be found.
Key items can only be obtained once in gameplay and cannot be traded between games. Often these are items which the player must deliver to a non-player character, but other times they are intended to be kept and will aid gameplay.
Fossils may be revived into Pokémon. There are eleven types of Fossils:
A Flute is an item that can be blown to produce an effect. They can be used multiple times without being consumed.
The Bag appears in every Pokémon game in one form or another. It is used to hold all of the player's items, and is accessible from the beginning of the game through the menu.
The Trainer Card contains all the information about a Trainer, including their name, Trainer ID number, the amount of money they have, the amount of Pokémon in their Pokédex and the length of time they have been playing. The Trainer Card will change color depending on how far through the game the player is.
Badges are a sign that a player has defeated a Gym Leader. Earning more Badges will help qualify for the Pokémon League, as well as allow the use of specific HMs outside of battle and affect the behavior of certain Pokémon. They are displayed with the Trainer Card.
A Symbol is earned when one of Hoenn's Frontier Brains is defeated. They are displayed on the Frontier Pass and only appear in Pokémon Emerald.
A commemorative print is earned when one of the Frontier Brains at a Generation IV Battle Frontier is defeated. The prints are displayed on the Vs. Recorder.
A Pokédex records information about every species of Pokémon a Trainer has encountered. There are three kinds:
The Running Shoes have been a stable part of the game since Generation III. By pressing the B button, players are able to run instead of walk. In Pokémon HeartGold and SoulSilver the Running Shoes can be activated using the Nintendo DS's touch screen.
Three electronic devices have been introduced over the course of the games. They all perform similar functions, and are each specific to a certain region.
Decorations can be used to personalize a Trainer's bedroom or secret base. The availability of each decoration is dependent on the game.
Accessories and Props
In Pokémon Contests and Super Contests, as well as certain dress-up studios, Accessories are used to dress up Pokémon. In Pokémon Musicals, Props serve a similar role.
Backdrops are used as the background behind the Pokémon when dressed up for or photo or a Super Contest.