sir my mom age 50 yrs is having urinary problem since 10 months,she complains of burning sensation at the last stage of complition on micturition,she complaints of having a bit swollen and rough surface of tongue,she is having pitting oedema grade 2,(pallor, icterus, lymphadenopathy, clubbing, cyanosis, dehydration, --> NEGATIVE.)others vitals ard under normal limit.WHAT MAY BE THE REASON AND WHAT SHOULD BE THE TREATMENT..?