e shouldn't stop for allergies. Xyzal Children's Oral Solution provides 24-Hour Allergy Relief for Kids so they can keep enjoying life the way only kids can. Xyzal Children's starts working in one hour and provides 24-hour relief of allergy symptoms including sneezing; itchy, watery eyes; runny nose; itchy nose and throat. Taken before bed, Xyzal relieves kids' allergy symptoms overnight so they wake feeling refreshed and ready for the next day. This is one bedtime story that has a very happy ending. Be wise all, take Xyzal.