It has the effect of warming kidney yang and is usually taken orally for 1-2 weeks to produce certain effect on impotence. The drug ingredients of Dougui Capsule include Shu Di Huang, Cinnamon, Yam, Cornu Cervi Pantotrichum, Semen Cuscutae, Fructus Lycii, Radix Angelicae Sinensis, etc. It is mainly used for the treatment of cold pain in the waist and knees, inconvenient urination, impotence, premature ejaculation and sexual dysfunction caused by deficiency of kidney yang. Generally, it takes 1-2 weeks of oral intake for Right Honor Capsules to be effective. If you want to improve impotence symptoms significantly, patients need to take it orally for a longer period of time. However, as the duration and severity of the disease varies from person to person, the time taken to see the effect of taking Right Honor Capsules may also vary. The side effects of Dougui Capsules are rare, and mild constipation may be seen occasionally. While taking the drug, patients need to pay attention to the prohibition of cold, greasy foods, and to quit smoking and alcohol.