Allergy to sanitary napkin ingredients, sanitary napkin breathability is not good, change sanitary napkin not timely may lead to allergic itching, it is recommended to stop using allergenic sanitary napkin, choose suitable sanitary products, and use medication if necessary. 1. Choose the right sanitary products: choose the sanitary napkin with better breathability and absorbency, change the sanitary napkin diligently, keep the local dry and hygienic, if you are allergic to a certain brand of ingredient, try to avoid using it, you can also choose the tampon or menstrual cup suitable for you during the physiological period. 2. Medication: If the local itching is severe, oral loratadine and cetirizine hydrochloride can be used to alleviate the allergic symptoms. The above drugs need to be used under the guidance of a doctor, if the symptoms of allergic itching with sanitary napkins are serious, it is recommended to go to the hospital in time for treatment.