The red spots may be a form of viral exanthem, which is a viral rash caused by numerous viruses (adenovirus, rubella, measles, chickenpox, mononucleosis, and dengue), and may present with flu-like symptoms. Red rashes can also be caused by a bacterial streptococcal infection, which initially presents as a fever and sore throat.
My advice is to get a proper physical examination and clinical history, in order to determine the cause of your symptoms better. There are many possible differential diagnoses to consider in this instance.
