The generic name is fluticasone propionate inhalation aerosol, asthma can be effective after about 1 hour after spraying the drug. Fluticasone propionate inhalation aerosol belongs to the glucocorticoid class of drugs, mainly used for the preventive treatment of asthma; usually the drug can reach the peak concentration of the drug in about one hour after inhalation, so as to exert the effect of the drug; however, the drug needs to be used regularly and in accordance with the doctor’s instructions for a long time, in order to achieve the ideal preventive and therapeutic effects. The drug may cause thrush, skin allergic reactions, joint pain and other discomforts; and allergic to the components of the drug is prohibited; and for pregnant women, lactating women and other special groups, need to be under the guidance of a doctor to use the drug. The above medication should be used under the guidance of a doctor, avoid self-medication, so as not to cause adverse consequences.