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| ||Cannot be bought|
| ||Cannot be sold|
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The SecretPotion (ひでんのくすり Secret Medicine) is a unique form of medicine exclusively distributed by the Pharmacy in Cianwood City. It is known to be able to heal any Pokémon's sickness, most notably to cure Jasmine's Ampharos.
To get rid of the Psyduck blocking the entrance to Route 210.
Despite being known respectively as a potion for its medicinal capabilities, the SecretPotion cannot be used by the Trainer's Pokémon, mainly due to the fact that it is categorized as a Key Item.