Epimedium Capsules are not suitable for people with yin deficiency and fire (deficiency of yin and essence in the body and the appearance of hyperactive deficiency fire), cold and flu, people who are allergic to the ingredients of this product and people with allergies. Epimedium capsule has the effect of warming and tonifying kidney yang (warming and replenishing kidney yang), and is mainly used for treating deficiency of kidney yang, as evidenced by coldness and fear of cold, lumbar and knee soreness and weakness (a feeling of soreness and weakness of the waist and knees), and lack of spirit. This medicine is not suitable for people with yin deficiency and fire exuberance because they are already hyperactive in yang, and if they take this medicine, they may have hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, but sweating stops after waking up), and heatiness in the palms and feet as well as in the chest. Yin deficiency and fire need to be nourished to clear heat (to nourish Yin fluid and remove heat). People with colds should not take this medicine. Chinese medicine believes that colds are generally wind-cold or wind-heat attacking the surface, and the treatment is to disperse wind and cold or clear heat to relieve the surface, if the evil qi is not eliminated when applying tonic drugs, not only aggravate the burden on the spleen and stomach, but also promote the evil qi, and AILEWEI Epimedium Capsules belongs to the tonic class of drugs, so it should not be taken when you have a cold, and you should wait until your cold is cured to take this medicine. People who are allergic to the ingredients of this product and allergic body may have skin allergic reactions such as urticaria, eczema-like rash, etc., and even systemic allergies such as profuse sweating, pallor, chest tightness and shortness of breath, and decreased blood pressure. Therefore it is not suitable for such patients. If there is a need to take Epimedium capsules, it should be taken under the guidance of a traditional Chinese medicine practitioner, and patients should not take it privately to avoid adverse consequences.