A Mother's Loathing is a unique Miscellaneous that can be consumed like a Potion for a harmful effect. Despite working like a potion, it's effect can't be forced onto another with the Throw action.
A hint of blood lingers around the stopper. It's enough to make your mouth water.
Properties
Miscellaneous Items
Single Use
Rarity: Common
Weight: 0.04 kg / 0.08 lb
Price: 1 gp
Effect
Bonus action
Consuming this potion causes the Mother's Loathing condition, which grants a unique bite attack. The bite however only includes your class's proficiency bonus to the 
Attack roll and doesn't add your Strength modifier to the damage.
Action
- Damage:
2d4 (2~8) 
Piercing damage 
Melee: 1.5 m / 5 ft- Attack roll
Duration: Until Long rest
Where to find
At the end of the Overgrown Tunnel in the Acrid Workshop. Set on a stone shelf alongside ten other dangerous potions made by Auntie Ethel.
Notes and Trivia
While the potion has no negative effects like most of Auntie Ethel's unique potions, the bite is vastly inferior to the bite attacks given by Wild Shape.