The Potion of Poison (0:22 - Poison II) inflicts a potent Poison II effect for 22 seconds upon consumption, rapidly depleting the health of the player or mob that drinks it. Unlike most damage sources, this potion cannot kill but will reduce health to a minimal point, leaving the affected vulnerable to any subsequent damage. It is typically brewed using a brewing stand and various ingredients, including a Potion of Poison and glowstone dust to enhance its potency.
The numerical item ID for Potion of Poison (0:22 - Poison II) is 373
Numerical item IDs will only work in Minecraft versions below 1.13.
The item ID for Potion of Poison (0:22 - Poison II) is minecraft:potion
This is the spawn command to give yourself Potion of Poison (0:22 - Poison II) in Minecraft which includes the Minecraft /give command. If you are using the Essentials plugin you will need to use /minecraft:give instead of /give