Cinnamon has been used for several thousand years in Eastern and Western cultures in treating chronic diarrhea, rheumatism, colds, abdominal and heart pains, kidney problems, hypertension and female disorders such as amenorrhea and cramps. Nowadays, cinnamon bark oil is used in pharmaceutical preparations as a carminative, stomachic, tonic and counterirritant. It is often included in mouth washes, liniments, nasal sprays and toothpastes.