According to your explanation you are having anxiety or panic attacks. Consult a nearby psychiatrist or homoeopathic physician once. Harmonal troubles also causes attacks of anxiety and other mood related issues. Further details are necessary to identify the proper cause. I think you are having a simple issues which can be corrected with right counselling and guidance.
Health Tips
sometimes excess burdened work or dealing multiple family or professional issues at the same time causes unknown panic or anxiety about the works you have planned. you will have unknown worries weather the work you had planned goes according to time or not.
firstly do not overburden yourself. Give yourself time to relax. Do things which will ease and relaxes you. plan things in a proper manner and ofcourse taking the help of family members and sharing some of your thoughts might help you...
If condition persists take professional doctors guidance to come out of it