 [ Symptoms ] is it ok for my 5 year old to take benadryl on a daily basis he has really severe outdoor allergies and i was told that benadryl at night and zyrtec in the morning is ok to do can you please confirm yes or no [ Disease ] that would not be very likely the tiny amount of those eyedrops may contain lidocaine but this has nothing to do with cocaine besides you should not be using these eye drops anyway unless specifically prescribed by an eye care professional