 [ Symptoms ] i am 13wks pregnant with a sensivitive cervix what should i expect from this  i have brown discharge sometimes pink coloring on the toilet tissue when i wipe i will go days with out anything and then it just happens i havent had any intercourse since i found out i pregnant i was told that i have a sensitive cervix should expect this discharge through my whole pregnancie am i still at a high rick of loosing my baby [ Disease ] both amitriptyline and diphenhydramine can cause side effects such as drowsiness dry mouth and constipation if you take them together you may notice more intense side effects other than that they are safe to use together for most people if you notice side effects that are very bothersome or severe you should talk to your health care professional