Poison Poison type

When attacking (with Poison moves)

Super effective (2×)GrassFairy
Not very effective (0.5×)PoisonGroundRockGhost
No effectSteel

When defending (as a Poison type)

Weak to (2×)GroundPsychic
Resists (0.5×)GrassFightingPoisonBugFairy
No effect (immune)None

Poison-type Pokémon (99)

BulbasaurIvysaurVenusaurWeedleKakunaBeedrillEkansArbokNidoran♀NidorinaNidoqueenNidoran♂NidorinoNidokingZubatGolbatOddishGloomVileplumeVenonatVenomothBellsproutWeepinbellVictreebelTentacoolTentacruelGrimerMukGastlyHaunterGengarKoffingWeezingSpinarakAriadosCrobatQwilfishDustoxRoseliaGulpinSwalotSeviperBudewRoseradeStunkySkuntankSkorupiDrapionCroagunkToxicroakVenipedeWhirlipedeScolipedeTrubbishGarbodorFoongusAmoongussSkrelpDragalgeMareanieToxapexSalanditSalazzleNihilegoPoipoleNaganadelToxelToxtricity (Amped Form)EternatusSneaslerOverqwilShroodleGrafaiaiVaroomRevavroomGlimmetGlimmoraClodsireIron MothOkidogiMunkidoriFezandipitiPecharuntMega VenusaurMega GengarMega BeedrillAlolan GrimerAlolan MukGalarian SlowbroGalarian WeezingGalarian SlowkingToxtricity (Low Key Form)Hisuian QwilfishHisuian SneaselPaldean WooperMega VictreebelMega ScolipedeMega DragalgeMega Glimmora