Hello I Was Taking Co Amoxiclav Prescribed By Gp For

Hello I was taking co amoxiclav prescribed by gp for 7 days it has now been 3 days since I stopped taking them and have suffered severe dihorrea this am and pm I thought it was maybe the heat and apple juice o had been drinking but I didn't have any all day today only had water but it's come back could this be the anti biotic I'm scared it's a bug and my 3 week old is going to get ill