Cancer patients with yin and blood deficiency can take Colla Corii Asini with evidence, but those with weak spleen and stomach should be cautious.
Colla Corii Asini is a solid gum made from the dried or fresh skin of donkey, family Equidae, by decoction and concentration. It is sweet in taste and flat in nature, and belongs to lung, liver and kidney meridians, with the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding.
Colla Corii Asini is used in treating blood deficiency and atrophy, dizziness and palpitations, muscle impotence and weakness, restlessness and insomnia, internal movement of deficiency wind, lung dryness and cough, coughing and hemoptysis with exertion, vomiting and urinating blood, blood in stool and leakage of menstruation (excessive menstruation or dribbling), and leakage of fetus in pregnancy (a small amount of bleeding from the vagina in early pregnancy).
Adverse effects of the drug are not known. Cancer patients with symptoms of blood deficiency such as yellowish color, dizziness, palpitations, muscle impotence, etc. or symptoms of yin deficiency such as restlessness and insomnia, internal movement of deficiency wind, and blistering of the hands and feet may take Colla Corii Asini for identification of symptoms, but caution should be exercised in cases of weakness of the spleen and stomach.
If there is a need for medication, it is recommended that it be used under the guidance of a professional physician, and not blindly self-medication.