ok here is the deal guys today I went to the clinik for some rash medication its called BENADRYL ICH RELIFE so when I cam home I put it on so a little after that I was like my fish tank needs to be clean so I cleaned it not thinking about the cream I put on un till now will this kill my fish? here what the cream has in it DIPHENHY HYDROLIDE I have it on my arms and hands ) I hope my fish will be ok what can I dooooo???