The dangers of taking Huang Jing Zanyu Capsule are possible side effects such as nausea, stomach upset, diarrhea, and hypersexuality. Caution should be exercised if there is prolonged deficiency of spleen qi, abdominal distension and loose stools (thin and unformed feces). It works to tonify the kidney and fill up the essence, clear heat and relieve dampness. Huang Jing Zanyu Capsule is mainly composed of Huang Jing, He Shou Wu, Cuscuta, Fructus Lycii, Radix Rehmanniae Praeparata, Schisandrae Chinensis and Fructus Schisandrae chinensis. It is effective in clearing away heat and inducing dampness, tonifying the kidney and filling up essence. It is often used to treat male infertility caused by weak spermatozoa and oligospermia due to deficiency of kidney and essence and dampness and heat, and sparse spermatozoa and poor motility in semen examination. Adverse reactions such as diarrhea, vomiting and stomach upset may occur when taking Huang Jing Zanyu Capsules. Those with bloated and loose abdomen and those with prolonged deficiency of spleen qi should not take this medicine. The medication needs to be taken under doctor’s advice, if you are not feeling well, it is recommended to go to the hospital immediately.