(1) Contraceptives: Women taking contraceptives, especially long-acting contraceptives, will inhibit the growth of endometrium, leading to oligomenorrhea and even amenorrhea. However, this phenomenon is generally temporary, and most women can automatically resume menstruation after stopping taking drugs. Therefore, for pregnant women with scanty menstruation, scanty hair and scanty ovulation, oral or intramuscular contraceptive methods should not be adopted, but other methods should be adopted.

(2) Antihypertensive and sedative drugs: Rauvolfia, such as reserpine; Phenothiazines, such as chlorpromazine.

(3) Adrenal cortical hormone: For example, the application of prednisone can inhibit the secretion of gonadotropin, which can often cause amenorrhea.

(4) Some traditional Chinese medicines: It is not advisable to use drugs that are too cold and astringent during premenstrual and menstrual periods to prevent amenorrhea. The drugs that are too cold are kudingcha, purple grass root and mung bean, and the drugs that are too astringent are gallnut, terminalia chebula and ebony.

At the same time, the treatment of endometriosis with danazol for pseudopregnancy can also cause amenorrhea. Amenorrhea is a common gynecological disease. Traditional Chinese medicine believes that it is caused by deficiency of liver and kidney, deficiency of qi and blood and obstruction of blood vessels. There is a difference between emptiness and reality. Deficiency is mostly caused by deficiency of qi and blood and kidney deficiency, while excess is mostly caused by cold coagulation, qi stagnation and blood stasis. In treatment, due to deficiency of qi and blood, qi and blood should be supplemented; Because of kidney deficiency, it is necessary to make up the next yuan; Because of cold coagulation, it is necessary to warm the meridians to dispel the cold; Because of qi stagnation, it is necessary to soothe the liver and regulate qi; Because of blood stasis, it is necessary to promote blood circulation and remove blood stasis. According to the different symptoms, you can apply food according to syndrome differentiation. You can choose the following treatment prescriptions:

(1) Ren Tao Niuxue Decoction. Peach kernel 10g ~ 12g, fresh bovine blood (blood has been coagulated) 200g, and a little salt. Cut bovine blood into pieces, add water to the peach kernel, and add a little salt to taste when eating. Has effect in removing blood stasis, promote blood circulation, regulating blood circulation, dredging meridian passage, and beauty beauty. Suitable for amenorrhea, blood dryness and constipation.

(2) Black fungus walnut candy. Auricularia auricula120g, walnut kernel120g, 200g of brown sugar, and appropriate amount of yellow rice wine. Grinding auricularia auricula and walnut, adding brown sugar, mixing evenly, and sealing in a porcelain jar. 30 grams each time, 1, twice a day until menstruation comes. Has effect in nourishing live and kidney, invigorating qi and blood, and nourishing chong and ren. Suitable for amenorrhea caused by uterine dysplasia.