History: allergic rhinitis for 2,3 years with asthma in later stages. Skin test and serum test, pollen allergy, mainly artemisia allergy, level 4. Rui Tang: Hello! Initially start desensitization treatment because the starting concentration of desensitizing drugs is very low, in general, there will be no adverse reactions, you can come to the outpatient follow-up, to help you analyze the correlation between the symptoms and desensitization treatment, and adjust as appropriate. Patient: If the symptoms are obvious at the time of desensitization, can I continue? Thank you! Rui Tang: Hello! The dosage of injections after suspension is usually adjusted as appropriate according to the time of discontinuation, and it is recommended that no more than three months to pick up the next dose in order to ensure the efficacy of the treatment.