Comfrey Symphytum officinale
Comfrey is used for skin problems as it speeds healing of wounds and skin conditions. This leaf is used to treat bedsores, bites, stings, bruises, inflamed bunions, ulcers, gout, arthritis, psoriasis, scabies, eczema, acne, boil, and sunburn. It is also used in treating bleeding piles, varicose veins, hemorrhoids, nosebleeds, and phlebitis. Comfrey is used on stomach ulcers and irritable bowel syndrome (IBS). It may also help with carpel tunnel syndrome. Historically when used internally, Comfrey tea acted as a blood purifier and was able to help heal stomach ulcers. It also worked on respiratory problems such as colds congestion, pleurisy, and bronchitis. Demulcent, mildly astringent and expectorant. As the plant abounds in mucilage, it is frequently given whenever a mucilaginous medicine is required and has been used like Marshmallow for intestinal troubles. It is very similar in its emollient action to Marshmallow, but in many cases is even preferred to it and is an ingredient in a large number of herbal preparations. It has formed a gentle remedy in cases of diarrea and dysentery.
According to the FDA it should not be used for internal applications.