Spearmint c/s, Mentha spicata herb shares many of the same uses as peppermint. some individuals prefer the softer, more mellow, minty aroma of spearmint. Spearmint tea is taken for nervousness, insomnia, cramps, coughs, migraine, poor digestion, heartburn, nausea, and abdominal pains. It is also often given for common women’s complaints and for suppressed or painful urination.