Tretinoin Spray generally refers to Tretinoin Nasal Spray, which has a strong anti-inflammatory effect in the nasal cavity and can be used to treat allergic rhinitis and other conditions. The active ingredient in Tretinoin Nasal Spray, Tretinoin, is a potent glucocorticoid, and this product has a strong anti-inflammatory effect in the nasal cavity. Tretinoin Nasal Spray can be used to treat seasonal or perennial allergic rhinitis and can improve uncomfortable symptoms such as nasal congestion, itchy nose, sneezing and runny nose. Adverse reactions such as dryness of the nasopharynx, burning sensation in the nasopharynx, sneezing, or mild rhinorrhea are occasionally seen with the use of Trimethoprim Nasal Spray. It is contraindicated in people who are allergic to any of the ingredients in this product, and should be used with caution in lactating women and pregnant women. The use of tretinoin nasal spray needs to be guided by a professional physician, if you feel unwell, you should consult a doctor in time, do not blindly use drugs.