Usually: Antihistamines are effective for mild allergies, and Xyzal (levocetirizine) should be working by the 3rd day. You may want to consider other options, such as a steroid nasal spray or eye drops, such as Patanol.
Answered 12/15/2014
3.4k views
This will take more: Than one dose or day to make better.
Answered 12/16/2014
3.4k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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