Too much Colla Corii Asini may hinder digestion, and in serious cases, it may cause symptoms such as exuberance of Qi and blood and increased menstrual flow.
The medicinal source of Colla Corii Asini is the solid gum made from the dried or fresh skin of donkeys of the family Equidae by decocting and concentrating. It is flat in nature, and its effects include tonifying blood and nourishing yin, moistening dryness, and stopping bleeding. If there is a deficiency of blood and atrophy, dizziness and palpitations, muscle impotence, heartburn and insomnia, as well as lung dryness and cough and other conditions, can be treated with Colla Corii Asini. However, people with weak spleen and stomach should be cautious of using Colla Corii Asini.
The adverse effects of this product are not clear. The sticky and greasy nature of Colla Corii Asini is not conducive to the transportation of water, grain and essence by the spleen and stomach when consumed in excess, which hinders digestion and may result in abdominal distension and inability to think about food and drink. As Colla Corii Asini has the function of tonifying blood, long-term overdose may lead to exuberance of blood and qi, resulting in increased menstrual flow and other problems.
Patients are advised to seek prompt medical advice if they feel unwell. In order to safely and reasonably use medicines, it is recommended to take medicines according to the doctor’s prescription, do not blindly take a certain medicine for a long time without authorization.