Sir/madam. Namaskaar. My dad has diabetic since 15 years. He uses nova rapid insulin in morning and lantus insulin at night. He uses ecosprin a v 75, eritel ln 40, janumet 50/500 mg tablet. Recently his both foot started to swell at evening and continues to be till morning. Could you please tell me what?s is the problem and any remedy. His heart, liver,kidney tests are good.