several symptoms and no where to turn!

hello, someone please help! I have suffered several symptoms for over a year, they all started when my baby was 4 month's old she's now 15 months old. my symptoms are: buzzing in head dizziness extreme tiredness aches and pains esp in my right rib/ kidney area mouth twitches rushes of anxiety through my body feeling of not being able to settle excessive sweating on exertion tingling sinus problems I have been given a diagnoses of stress in which I do not want to accept just because they say I am when I am not stressed. I feel physically ill! I can't function I can't cope anymore do anyone have any idea what's wrong with me