What Medication Or Treatment Can Help Reduce My Husband S Swollen Feet And Weakness?

The feet of my husband are swollen now due to kidney problem (once he had been undergone treatment at KIMS Bhubaneswar Odisha in Oct.2023) and he is also feeling very weak ti walk.I am now at Madanpur Aurangabad Bihar .I may Kindly be suggested any medicine or injection for its quick relief so that he will be able to go to hospital forfurther treatment.