Manna (Manna)

Published February 1, 1990.
List of German Commission E Monographs (Phytotherapy)


Name of Drug

Manna, manna ash.

Composition of Drug

Manna consists of the dried sap generated from the slit bark of trunk and branches of Fraxinus ornus L. [Fam. Oleaceae], as well as its preparations in effective dosage.

The drug contains mannitol.


Constipation. Ailments where an easier elimination and a soft stool are desirable, such as anal fissures, hemorrhoids, and post-rectal/anal surgery.


Bowel obstruction.

Side Effects

Sensitive individuals can experience nausea and flatulence.

Interactions with Other Drugs

None known.


Unless otherwise prescribed:

Daily dosage:

For adults, 20 - 30 g of drug; For children, 2 - 16 g of drug; equivalent preparations. Mode of Administration Comminuted herb and other galenical preparations for internal use.

Duration of Administration

Laxatives should not be taken for an extended period of time without consulting a physician.