How long it takes for Silkworm Moth Tonic Tablets to work is usually related to the severity of the patient’s condition, the response to the medication and other factors. However, if there is no relief or worsening of symptoms after 2 weeks of use, the patient should consult a doctor promptly. Silkworm Moth Tonic Tablet is composed of male silkworm moth (made), ginseng, Radix Rehmanniae Praeparata, Rhizoma Atractylodis Macrocephalae (fried), Radix Angelicae Sinensis, Fructus Lycii, Radix et Rhizoma Polygonati Odorati, and Fructus Bone Marrow (salted). It has the effect of tonifying the kidney, nourishing blood and filling essence. It is used for impotence and premature ejaculation caused by deficiency of kidney yang, infertility of uterine cold and sexual function decline. The adverse reactions and contraindications of Silkworm Moth Gong Tonic Tablet are still unclear, if used with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If you need to use Silkworm Moth Gong Tonic Tablets, must be used under the guidance of a professional doctor.