Early Intervention in Allergic Patients
Conditions:   Allergic Rhinitis Due to Weed Pollen;   Montelukast Interventions:   Behavioral: Start taking Montelukast Sodium Tablets 10mg quaque die orally two weeks before peak pollen count.;   Behavioral: Montelukast Sodium Tablets 10mg quaque die orally was administered after peak pollen count.;   Drug: No oral drug therapy throughout the pollen period Sponsor:   Beijing Tongren Hospital Completed (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - September 10, 2021 Category: Research Source Type: clinical trials