Can I take Valtrex with Zyrtec? There is no known interaction between Valtrex and Zyrtec in our records. However, an interaction may still exist. There is no known interaction between Valtrex and Zyrtec in our records. Summary. Drug interactions are reported among people who take Acyclovir and Zyrtec together. This study is created by eHealthMe based on reports of 288 people who take Acyclovir and Zyrtec from FDA, and is updated regularly. It probably has nothing to do with the drugs being expired. You maybe allergic to one or the other of these drugs which is why youcould experience difficulty breathing. How to use Zyrtec. If you are taking the over-the-counter product to self-treat, read all directions on the product package before taking this medication. You should not use Zyrtec if you are allergic to cetirizine or hydroxyzine. Ask a doctor or pharmacist if it is safe for you to take this medicine if you have any medical conditions. It is not known whether Zyrtec will harm an unborn baby. There is no known interaction between Acyclovir and Zyrtec in our records. However, an interaction may still exist. However, an interaction may still exist. Always consult your doctor before taking these medications together. Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité. Can i take both zyrtec amd claritin Long does take zovirax work - wttze.wurvq.mobi Can you take vicodin and ambien at the same time. Can I take prilosec and xanax together. If you're taking acyclovir for genital herpes, acyclovir and sun exposure - MedHelp Common Questions and Answers about Acyclovir and sun exposure. Yes, you can take Zovirax (acyclovir) and it's pro-drug form Valtrex (valacyclovir) with Benadryl (diphenhydramine).