Efficacy and Adverse Effects of Prapchompoothaweep Remedy and Loratadine for Treatment in AR Patients

this study is a double blind randomized controlled trial study. the volunteers will be divided into 2 groups. One is received Prapchompoothaweep crude drug capsule at 1,000 mg 3 times a day before meals and the other is received Loratadine 10 mg per day before meals. it takes 6 weeks to complete the project for each volunteers. Before enrolling, volunteers will stop using any anti‐histamine drug for 1 week (wash‐out period). All volunteers will be followed up in the 3rd and 6th week to evaluate the efficacy and adverse effect after received drugs. The researcher will record characteristic data such as gender, age, BMI, vital signs and symptoms . The adverse effect will be monitored by hematology test e.g. liver function test, renal function test, lipid profile and blood sugar test.