Colla Corii Asini belongs to the category of medicine and food. Generally speaking, it is not recommended to take Colla Corii Asini during menstruation to avoid adverse effects on menstrual cycle or menstrual flow.
Colla Corii Asini has the effect of tonifying blood and nourishing yin, moistening dryness and stopping bleeding. It is mainly used for the treatment of anemia, dizziness, palpitations, hemoptysis, hematemesis, vomiting blood, blood in urine, blood in stool, menstrual irregularities, metrorrhagia (excessive menstrual flow or more than a few drops), fetal leakage (small amount of vaginal bleeding in the early stage of pregnancy), and insomnia due to deficiency and vexation (vexation caused by deficiency and heat in the body).
Clinically, if the treatment of prolonged illness and weakness, blood loss, eyesight, etc., Colla Corii Asini can be used with Radix Rehmanniae Praeparata and Radix Astragali, etc.; treatment of qi and blood deficiency caused by weakness of the limbs, lumbar and knee soreness and weakness, yellowish muscle thinness, forgetfulness and insomnia, etc., Colla Corii Asini can be used with ginseng, Radix Rehmanniae Praeparata and Radix Polygoni Multiflori, etc..
People with weak spleen and stomach should not use Colla Corii Asini.
If you need to use Colla Corii Asini to treat diseases, you must use it under the guidance of a professional doctor.