Diarrhea and dysentery

Guava is very rich in astringents (compounds that make your gums feel tighter and fresher).After you chew guava leaves, eat a raw guava, or use some guavabased toothpaste), your mouth feels healthier, and the astringent qualities also add substance to loose bowels and reduce symptoms of diarrhea. These astringents are alkaline in nature and have disinfectant and antibacterial properties, thus helping to cure dysentery by inhibiting microbial growth and removing extra mucus from the intestines.