Have this cold for over a week now. body aches, headaches and general tiredness. should i be worried?

Cold for a week : At the time I am writing this , the most common reason for your symptoms is probably COVID 19. You should keep isolated. There are other possibilities . See a doctor via telemedicine

COVID 19 or cold?: Please take proper precautions -this could be COVID 19. Suspicion for COVID 19 is higher with at least 2 of these sx’s: temp of at least 99.6, Cough, Shortness of breath, Chills, Shivering, Muscle pain, Headache, Sore throat or new loss of taste or smell.