Swollen Knees and Feet. Inhaler!

Hello , My grandmother is heart patient , asthma patient and recently she has facing issues with kideney as well. Initially Creatinine was increased then it got reduced and then uric acid increased. We have visited nephrologist as well he as prescribed Febutaz-40 and 6-7 dosage of  Relipoietin 10000IU (all are completed). Last month her knees and feet were swollen . Now the swelling is reduced on other sites except right knee. Right knee is still swollen and she is unable to walk. I just want second opinion here and also what food she can consume and all. Genuine advice will be highly appreciated Current Ongoing Medications - Dytor 5mg Cilacar 10mg Esokem-D  (Esomeprazole & Sustained Release Domperidone) Tonact-ASP 75 Febutaz-40 Levosiz-M Restyl 0.25mh Foracort inhaler