The itching down there can be caused by several common factors, including yeast infections, bacterial vaginosis, sexually transmitted infections, allergic reactions to irritants like soaps or detergents, skin conditions such as eczema or psoriasis, hormonal changes, stress, and improper hygiene. Yeast infections and bacterial vaginosis are especially common causes characterized by itching, irritation, and sometimes abnormal discharge. Allergic reactions to products used in the genital area or stress-related hormonal imbalances can also lead to itching without other major symptoms. If itching persists for more than a couple of days or is accompanied by other symptoms like unusual discharge, pain, or sores, seeing a healthcare provider is advisable for diagnosis and treatment.