Can Prednisone Be Taken While Having Unstable Angina, Insomnia And Red Eyes?

Gud day Dr pls help me im on prednisone 20 mg twice a day i consumed aleady three days, im HTN and DM also with history ofUnstble angina, i have headache insomnia and sweliing bilatral eyes with redness im asking advise from u if i will discontinue this prednisone any harmful will occur to me more pls tell me bcos ihave also cervical spondyosis its 4am Dr still i cannot sleep pls help me whats best do my dr predcribed for me this prednisone bcoz i have cough for more than a month so i want to stop my cough and he prescribed me prefnisone thank u Dr and more power to u!sorry i dint have creditcard can any Dr with gud heart andwer me pls bcoz im really in sleeping trouble right now its early morning already, thank u so much In advance God bless!