Get fast acting, hour relief with Zyrtec Tablets that start working at hour one..
More information about Zyrtec allergy medicine
Find out how ZYRTEC can provide powerful hour relief from your allergy symptoms. Check out the AllergyCast App for local pollen count and weather tracking. Check out the AllergyCast App for local pollen count and weather tracking..Zyrtec and Claritin are similar over the counter medicines that can help to reduce your allergy symptoms. Your choice may come down to a subtle difference about dosage or ingre.nts. There are shared side effects such as headaches and dizziness. If you experience serious side effects, contact your doctor immediately..