Asafoetida is known as the Devil’s dung. Asafoetida is also used in products meant to repel dogs, cats, and wildlife. Might cause swelling of the lips, burping, intestinal gas, diarrhea, headache, convulsions, blood disorders, and other side effects.

https://www.webmd.com/vitamins/ai/ingredientmono-248/asafoetida#overview