https://rxchat.com/Discuss/benadryl-can-u-help-235836_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS Can benadryl cause a false positive for barbituates..i have never taken barbituates..i take benadryl..when i stoped my urine came bck clean...my p.o will not order a test to break dwn wat barb. It is..how do i prove this..i am innocent..seriously - Filed in Benadryl en-us Copyright 2026 RxChat.com. All Rights Reserved. Tue, 18 Sep 2012 19:51:12 GMT 60 https://rxchat.com/images/mc_logo.png https://rxchat.com/Discuss/benadryl-can-u-help-235836_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS https://rxchat.com/Discuss/benadryl-can-u-help-235836_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS#r_251859 https://rxchat.com/Discuss/benadryl-can-u-help-235836_s2.htm?utm_source=forums_posts&utm_medium=RSS&utm_campaign=RSS#r_251859 The <a href="https://rxchat.com/Drugs/Diphenhydramine/" target="_blank">Diphenhydramine</a> in <a href="https://rxchat.com/Drugs/Benadryl/" target="_blank">Benadryl</a> has been known to cause false positives, but not for Barbiturates. <br/> <br/> Did you take anything else, even other over the counter products? <br/> <br/> Learn more <a href="https://rxchat.com/wiki/Diphenhydramine/" target="_blank" rel="nofollow">Diphenhydramine details</a> here. Tue, 18 Sep 2012 19:51:12 GMT