hello good day..i just want to ask if fenistil drops is effective for a 1 year old baby whose having skin allergy? And what is the dosage and how long we can use this medicine?my baby is having hives on the abdomen for the first day and just disappear after few hours when i wash it using soap and water and put alcohol.but on the second day, there's small hives again i notice o the other parts of body such as in right foot , forehead and, inguinal and waist where the garter of the diaper touches the skin. thank you so much sir..