Pennyroyal tea, commonly brewed as an herbal remedy, is often used to soothe upset stomachs. It is also believed to alleviate menstrual pain and promote menstrual flow. However, due to its ability to stimulate uterine contractions, it has been historically associated with inducing abortion. 
 
Important Warning:
- Do not use during pregnancy or while nursing.  
- Avoid if you experience heavy menstrual flow.  
- Not recommended for infants, children, or individuals with liver or kidney conditions.  
 
Always consult a healthcare professional before use.