Home dialysis is kidney dialysis performed in your own home rather than at a hospital or clinic. It filters waste and excess fluid from your blood the same way in-center dialysis does, but on a schedule you control, using equipment designed for home use. There are two main types: peritoneal dialysis, which uses the lining of your abdomen as a natural filter, and home hemodialysis, which filters your blood through a machine similar to what you’d find in a dialysis center.
Two Types of Home Dialysis
Both forms accomplish the same goal, but they work in fundamentally different ways and feel different in daily life.
Peritoneal dialysis (PD) uses the peritoneum, a membrane lining your abdominal cavity, as a filter. A surgeon places a small, permanent catheter in your abdomen. Through that catheter, you fill your abdomen with a sterile cleansing fluid called dialysate. The fluid sits inside for a set period, drawing waste and extra fluid from blood vessels in the peritoneal membrane. Then you drain it out and refill with fresh solution. Each fill-and-drain cycle is called an exchange.
Home hemodialysis (HHD) works the way traditional in-center dialysis does. Blood travels from your body through tubing into a dialysis machine, passes through a filter that removes waste and excess fluid, and returns to your body. You need vascular access, typically a fistula or graft created surgically in your arm, and you learn to connect yourself to the machine at home.
How Peritoneal Dialysis Fits Into Your Day
Peritoneal dialysis comes in two varieties, and the choice between them often depends on your lifestyle preferences and how your body responds to treatment.
Continuous ambulatory peritoneal dialysis (CAPD) is entirely manual. You perform three to five exchanges throughout the day, each taking about 30 to 40 minutes. Between exchanges, the fluid dwells in your abdomen while you go about your normal activities. No machine is involved.
Automated peritoneal dialysis (APD) uses a small bedside machine called a cycler that performs exchanges automatically while you sleep. The cycler handles the filling, dwelling, and draining on a programmed schedule, which frees up your daytime hours. APD tends to work especially well for people whose peritoneal membrane transfers waste quickly, because the machine can run shorter, more frequent exchanges that take advantage of that faster transfer rate.
Home Hemodialysis Schedules
Home hemodialysis offers more flexibility than the standard three-times-a-week schedule at a dialysis center. According to the National Kidney Foundation, there are two common approaches. Short daily treatments run five to seven days a week for about two hours each session. Nocturnal treatments happen every night or every other night for six to eight hours while you sleep. Both schedules deliver more total dialysis time per week than standard in-center treatment, which translates to gentler, more gradual fluid removal and steadier waste clearance.
Clinical Benefits of More Frequent Treatment
One of the clearest advantages of home dialysis is eliminating the long gaps between sessions that happen with a three-day-a-week in-center schedule. During those gaps, waste products and fluid build up, which strains the heart and can spike blood pressure. Home dialysis shortens or eliminates those gaps entirely.
Research published in Clinical Kidney Journal found that home dialysis can improve control of high phosphorus levels, reduce thickening of the heart’s left ventricle (a common and dangerous complication of kidney failure), and help manage resistant high blood pressure. For many patients, these improvements also mean a more relaxed diet. When you dialyze more frequently, your body has less time to accumulate the substances that force strict dietary limits on fluid, potassium, and phosphorus.
Survival data is encouraging but complicated. Observational studies have shown mortality rates as low as 3 to 6 deaths per 100 patient-years in various home hemodialysis groups. One study found a 42% lower risk of death for home hemodialysis patients compared to in-center patients, and even people who were selected for home dialysis but trained for in-center self-care still had a 22% survival advantage over the standard in-center group. That last finding suggests part of the benefit may come from the type of patient who chooses home treatment: motivated, engaged, and actively managing their health.
Risks and Complications
Home dialysis is not risk-free. The most significant concern for peritoneal dialysis is peritonitis, an infection of the peritoneal membrane. Data from a long-term Italian study found an overall rate of 0.25 episodes per patient-year, meaning roughly one infection every four years on average. About 70% of cases were cured with medical treatment, but 18% of episodes led to transfer to hemodialysis, and about 7% were associated with death. Keeping your technique sterile during exchanges is the single most important thing you can do to prevent peritonitis.
For home hemodialysis, complications related to vascular access are the primary concern. Infections, clotting, and needle infiltration (when the needle slips out of the access site) can all occur. Learning to cannulate, or insert needles into your own fistula or graft, is one of the more challenging parts of home hemodialysis training, and difficulty with this skill is one of the top reasons patients switch back to in-center care.
Other factors linked to stopping home dialysis include interference with home life, lack of support from a care partner, caregiver anxiety, and medical complications like diabetes. For peritoneal dialysis specifically, catheter problems, obesity, and high blood pressure increase the likelihood of needing to switch modalities.
Training and Getting Started
You won’t be expected to figure any of this out on your own. Home hemodialysis training typically takes six to eight weeks at a dedicated training center, under supervision from experienced dialysis staff. During that time, you learn to set up the machine, perform cannulation, monitor your treatment, handle alarms, and respond to problems. To be eligible, you need to be medically stable, have reliable vascular access, and have the physical and cognitive ability to manage the process, or have a care partner who can assist.
Peritoneal dialysis training is generally shorter, though the exact timeline varies by program. The learning curve is less steep because there are no needles involved, and the equipment is simpler. Your training covers sterile technique, how to perform exchanges, how to recognize signs of infection, and how to troubleshoot drainage issues. Many patients manage PD entirely independently, without a care partner.
Before starting either type, your home will need some modifications. Home hemodialysis requires plumbing and electrical changes to support the machine, plus space to store supplies. Peritoneal dialysis has a smaller footprint but still requires a clean, dedicated storage area for boxes of dialysate solution, which arrive in regular shipments.
Insurance and Medicare Coverage
Medicare covers dialysis for nearly everyone with kidney failure in the United States, regardless of age. This coverage extends to home dialysis equipment, supplies, and training. Under the End-Stage Renal Disease Prospective Payment System, Medicare pays dialysis facilities a bundled per-treatment rate (set at $273.82 for 2025) that covers all renal dialysis services, including drugs, supplies, and equipment. That rate also includes an add-on payment specifically for home dialysis training.
Medicare has been actively encouraging home dialysis adoption. The ESRD Treatment Choices Model includes a Home Dialysis Payment Adjustment that incentivizes facilities to support patients choosing home modalities. Starting in 2025, Medicare also allows billing for home dialysis services for patients with acute kidney injury, expanding access beyond the traditional chronic kidney failure population. Private insurers generally cover home dialysis as well, though the specifics of copays and supply coverage vary by plan.
What Daily Life Looks Like
The biggest practical difference between home and in-center dialysis is time. In-center patients typically spend three days a week traveling to a facility, sitting for four-hour treatments, and traveling home, often losing most of each treatment day. Home dialysis patients reclaim that time. Nocturnal hemodialysis happens while you sleep. APD runs overnight. Even short daily hemodialysis sessions, at two hours each, are often easier to fit around work and family life than half-day clinic visits.
That flexibility comes with responsibility. You’re managing your own treatments, keeping your supplies organized, maintaining your equipment, and monitoring for complications. Some people find this empowering. Others find it stressful, particularly if they don’t have a supportive household or if the presence of medical equipment in their home feels intrusive. Both reactions are common, and neither is wrong. The best dialysis modality is the one you can sustain consistently over months and years.