Cinnamon [Cinnamomum zeylanicum]:

Remedies For
Alterative, analgesic, antibacterial, antifungal, antiseptic, anti-rheumatic, antispasmodic, aromatic, astringent, carminative, demulcent, diaphoretic, digestive, diuretic, expectorant, germicide, hemostatic, stimulant, stomachic.

Ayurvedic Applications
Absorption, agni [digestive fire] promoting, breathing difficulties, bronchitis, colds, congestion, circulation, generates energy and blood, strengthens one's constitution, diarrhea, dysentery, edema, flu, gas, metabolic [spleen and pancreas] and heart strengthening, hiccup, indigestion, warms and strengthens the kidneys, liver problems, menorrhagia, melancholy, muscle tension, for debilitating pain of the waist, knees, backaches and headaches; palpitations, toothache, uterine muscle fiber stimulant, nausea, vomiting.

Assists uterine contractions during labor, menstrual pain from low metabolic function. External-headaches, pain.