The generic name of Endosulfan is Mometasone Furoate Nasal Spray, and its adverse effects include nosebleeds and nasal irritation, so there is a possibility that the use of this medication may lead to dryness and bleeding in the nose. Mometasone Furoate Nasal Spray is mainly used to treat seasonal or perennial rhinitis in children, adolescents, and adults between the ages of 3 and 11 years, and patients who have ever had symptoms of moderate-to-severe seasonal allergic rhinitis should preferably use this product as a preventive measure 2 to 4 weeks prior to the start of pollen season. Some patients may experience adverse reactions such as rhinorrhea (including bloody mucus, blood spots, and obvious bleeding), nasal irritation, nasal burning sensation, nasal ulceration, and pharyngitis after using this product. This product is contraindicated in patients who are allergic to this product and any components of this species. It is recommended that patients who are unwell go to the regular hospital in time and follow the doctor’s instructions for medication and treatment.