Frequent sneezing without signs of cold may be caused by allergic rhinitis, vasomotor rhinitis, etc., which can be treated with medication according to the cause. 1. Allergic rhinitis: Allergic rhinitis is usually caused by the patient’s exposure to allergic substances. After the disease, the parasympathetic nerves under the mucous membrane of the nasal cavity will be stimulated, resulting in frequent sneezing. You can take loratadine tablets and cetirizine hydrochloride tablets under doctor’s guidance. 2. Vasomotor rhinitis: Vasomotor rhinitis is a kind of non-allergic and non-infectious inflammation of the nasal mucosa, which is easily caused by gas stimulation or temperature change, and can lead to frequent sneezing, which can be treated with budesonide nasal spray and mometasone furoate nasal spray. There is no sign of cold but frequent sneezing may also be caused by other reasons, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease and follow the doctor’s instructions for treatment.