Marshmallow Botanical name is Althea officinalis. Marshmallow grows in the United States. Marshmallow root and leaves are used medicinally. Marshmallow primitively grew in salty soils but now thrives in moist, uncultivated ground.
Marshmallow has long been used by herbalists to treat coughs and sore throats. Because of its high mucilage content, this plant is soothing to inflamed mucous membranes.
Marshmallow used to treat coughs and sore throats. Marshmallow is also used by herbalists to soothe chapped skin, chilblains (sores caused by exposure to cold), and minor wounds. Marshmallow has primarily been used as a traditional herbal soothing agent for conditions of the respiratory and digestive tracts.
Marshmallow has been used in connection with asthma, the common cold/sore throat, cough, Crohn's disease, diarrhea, gastritis, gastroesophageal reflux disease (GERD), indigestion, abnormal pap smear, peptic ulcer, and ulcerative colitis.
Since the plant is so slushy, it does not combine well with other plants. It can be found in some herbal cough syrups. Herbal extracts in capsules and tablets providing 5–6 grams of marshmallow per day can also be used, or it may be taken as a tincture—1–3 teaspoons (5–15 ml) three times daily. Marshmallow is generally unscathed with only rare allergic reactions.