hello mam, Mere beta 10 years old uski pori body ne itching ho rahi h .humne use cetirizine tablet di thi but wo 48 hours bad fir se shuru ho jati h 10 days se yahi ho raha .hum usko cotton ke clothes hi wear kerwate h.bed sheet bhi cotton ki use kerte h.aur daily wo 2,3 time nahlate bhi h .aur bahar ka junk food bhi nahi dete h .to plz aap humari help ker do ki hum kya kare.skin uski thodi sensitive h .plz