Women’s inner thighs suddenly grow a lot of hair may be related to irrational use of drugs, ovarian lesions, adrenal gland lesions and other reasons. 1. unreasonable use of drugs: such as women during this period of time too much to take dexamethasone tablets, prednisone acetate tablets and other glucocorticoid drugs, will cause hirsutism, resulting in women’s inner thighs suddenly grow a lot of hair. 2. Ovarian lesions: due to the hypothalamus on the pituitary function of the regulation of the obstacle or the ovary itself lack of the required enzymes, will cause the phenomenon of women’s inner thighs suddenly grow a lot of hair. 3. Adrenal gland lesions: adrenal gonadal syndrome, adrenal cortex tumors, etc., will increase the androgen content in women’s bodies, causing women’s inner thighs to suddenly grow a lot of hair. The cause of women’s inner thighs suddenly grow a lot of hair may also be related to hypothyroidism, pituitary gland lesions and other reasons, it is recommended that the patient should go to a regular hospital in time for treatment to help screen the cause. Do not use medication on your own.