Hi sorry for the delayed response. We will have to look the reason behind your forgetfulness..If you are able to remember things after few mins or hours then it might be just because of excessive stress and worries in fact it a symptom of depression. It can be due to other reasons too so best is to consult a Psychiatrist and get treated.
Next Steps
keep small notes or reminders to help you out to carry day to day activities
Health Tips
healthy diet and regular exercise would help