Natrii Sulfas


Monoclinic system of mirabilite, natfii sulfas as its chief component.

Crystals prismatical, square or irregular, varying in size, colourless, pellucid, fracture irregular when broken, with glassy lustre. Its surface effloresces readily and is covered with white powder after long exposure to the air. Brittle in texture. Salty and bitter in taste, cold in nature, and attributive to stomach and large intestine channels.

1. Clear away heat and relax the bowels: For internal heat syndrome with constipation and abdominal distension, singly used or used together with Radix et Rhizoma Rhei, Radix Glycyrrhizae (Decoction for Purgation and Regulating Stomach Energy); used with anthelimintic as purgative.
2. Purge the fire and relieve swelling: For acute appendicitis, used together with Radix et Rhizoma Rhei and Bulbus AZhi for external application; local application for conjunctival congestion, sorethroat, infantile thrush, acute mastitis and dermatitis rhus. Recently, also used for osteoarthfltis deformans.

Pharmacological Action
It contains mainly Na2SO4.10 H2 0 which is a potent purgative.

For single use: 9-15g. For osteoarthritis deformans: 3g bid, 60 days as one course.
For external use: 10-25% solution, or ground into powder.


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Mr. Wang Tao

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