You will find there's probability of the drug conversation between cetirizine and theophylline. Theophylline (Theo-24) is usually a drug that some those with bronchial asthma and also other lung issues take. Hardly ever, Zyrtec can result in a potentially existence-threatening, total-entire body allergy referred to as anaphylaxis. Connect with 911 https://zyrtec82690.blog2learn.com/78255718/what-is-zyrtec-can-be-fun-for-anyone