The generic name of Vaisanin is Dinogestrel Tablets. Bleeding is a common adverse reaction to taking this product, and no special treatment is needed, but if the bleeding is large, it is recommended that you consult your physician to consider whether to discontinue the use of this product. Dinogestrel tablets are progestational hormones, the main ingredient of which is dinogestrel, which is mainly used for the treatment of endometriosis. Irregular bleeding may occur during the first few months of treatment, which usually disappears with continued treatment, but should be discontinued if the amount of bleeding is large enough to cause anemia. Other common adverse reactions to this product include headache, breast discomfort (including breast swelling and breast pain), amenorrhea, etc. It is a prescription drug and its specific use should also be carried out under the supervision of a physician and in accordance with medical advice.