What Is Dialysis? A Simple Guide for Families and Caregivers

Hearing the word “dialysis” for the first time can feel overwhelming.

Maybe your loved one was just diagnosed with kidney disease, or you’re trying to understand what their treatment will involve. The medical jargon can pile up fast, and it’s easy to feel confused.

Dialysis takes over when the kidneys can’t filter blood on their own. It’s a life-saving therapy, but it also brings new routines and responsibilities for patients and their families.

In this guide, you’ll learn the basics of dialysis, the main types of treatment, and simple ways you can support your loved one along the way.

What Is Dialysis and Why Is It Needed?

Your kidneys act like filters for the body. They remove waste, extra fluid, and toxins from the blood while also helping balance electrolytes and regulate blood pressure.

When kidneys stop working, often because of conditions like diabetes or high blood pressure, waste builds up, fluid accumulates, and health can decline quickly.

Dialysis takes over part of that job. It doesn’t cure kidney disease, but it keeps the body in balance and helps patients stay healthier for longer. Some people receive dialysis while waiting for a kidney transplant. Others rely on it as ongoing treatment that supports daily life.

Types of Dialysis

There are three main types of dialysis. Each removes waste and extra fluid from the body, but they work in different ways.

Hemodialysis (Clinic-Based)

Hemodialysis is the most common type of dialysis. It uses a machine called a dialyzer, sometimes called an artificial kidney, to clean the blood.

• How it works: Blood is drawn from the body, filtered through the machine, and then returned.
• Frequency: Usually three times per week, with each session lasting three to four hours.
• Benefits: Effective, widely available, and closely monitored by professionals.
• Considerations: The schedule is demanding, and travel to and from the center becomes part of weekly life.

Nocturnal dialysis (a form of hemodialysis) is another option some families choose. Treatments run overnight while the patient sleeps, usually 6–8 hours.

This longer, slower process can feel gentler on the body and may allow more flexibility in diet and daytime routines. It does, however, require training, setup, and often a care partner to assist.

Home Hemodialysis

Some patients choose to do hemodialysis at home. This option requires training from healthcare providers and usually a care partner to assist.

• How it works: The same process as clinic-based hemodialysis, but done in the home.
• Frequency: Shorter but more frequent sessions, often five to six days per week.
• Benefits: More flexibility, fewer dietary restrictions, and the comfort of home.
• Considerations: Requires equipment, training, and ongoing support from a dialysis team. Caregivers play a more hands-on role.

Home hemodialysis can give families more flexibility, but it also asks more of the caregiver.

Peritoneal Dialysis

Peritoneal dialysis is always done at home or while traveling. It uses the lining of the abdomen (the peritoneum) as a natural filter. A soft tube called a catheter is placed in the abdomen so fluid, called dialysate, can flow in and out.

• How it works: Dialysate pulls waste and fluid from the blood through the peritoneal lining. After a few hours, the fluid is drained and replaced with fresh solution.
• Types:
  • Continuous Ambulatory Peritoneal Dialysis (CAPD): Manual exchanges, three to five times each day.
  • Automated Peritoneal Dialysis (APD): A machine performs the exchanges overnight while the patient sleeps.
• Benefits: Needle-free, offers independence, and can fit around daily life.
• Considerations: Requires careful hygiene and daily responsibility to avoid infection.

Peritoneal dialysis can give patients more independence, but it depends on strong daily routines and family support.

How Families Can Support a Loved One on Dialysis

Dialysis touches almost every part of daily life. It affects routines, meals, energy, and emotions. Having steady support from family makes those changes easier to manage.

Here are some ways you can help your loved one feel more supported during treatment:

• Encourage consistency: Missing even one session can have serious consequences. Helping your loved one stay on schedule is one of the most important ways you can help.
• Support dietary changes: Many dialysis patients need to limit certain foods and fluids. Cooking together or finding kidney-friendly recipes can make these changes feel less restrictive.
• Offer emotional support: Dialysis can be exhausting and sometimes isolating. Check in on how your loved one is feeling and encourage them to stay connected with support groups.
• Care for yourself too: Your well-being matters. Taking care of your own health ensures you can keep showing up for your loved one.

Even small acts of consistency, encouragement, and care can help your loved one face dialysis with more comfort and confidence.

Getting Help With Dialysis Care at Home

Dialysis can be a heavy responsibility for families, especially when treatments are frequent and ongoing.

In-home Helpers can step in to ease the load by providing support such as:

• Companionship: Spending time with your loved one during or after treatments.
• Meal prep and household tasks: Helping with cooking and chores that support dietary needs.
• Transportation: Driving to and from dialysis centers.
• Respite care: Giving family caregivers a much-needed break.

These kinds of support can make daily life more manageable and give you the space to focus on your own well-being too.

On Herewith, finding help is simple. You can connect directly with trusted, background-checked Helpers who understand the unique challenges of dialysis care.

Learn more about in-home dialysis care on Herewith.

Finding Balance With Dialysis

Dialysis can feel overwhelming at first, but over time, it becomes part of daily life.

Understanding the basics is a strong first step, but no one should try to carry the weight of care alone. Support from family, care teams, and in-home Helpers makes the routine easier to manage and gives you room to breathe.

When care feels lighter, you can be present for the everyday moments that mean the most.

Families Also Ask:

How do I support a loved one on dialysis at home?

You can help by keeping treatment routines consistent, supporting dietary changes, providing emotional encouragement, and arranging breaks for yourself through respite care.

What are the biggest lifestyle changes with dialysis?

Dialysis often means strict schedules, diet adjustments, and frequent treatments. Families may need to plan meals, work, and daily activities around appointments or at-home sessions.

Does dialysis always have to happen in a clinic?

No. While many patients receive dialysis in a center, some do treatments at home. Home options often require training and support from a care partner.

What kind of diet do dialysis patients need?

Most dialysis patients need to limit certain foods and fluids, especially those high in sodium, potassium, or phosphorus. A dietitian can help create a kidney-friendly plan.

How can families prevent burnout while caregiving?

Taking regular breaks, asking for help, and exploring respite care can help you stay healthy and continue providing support for your loved one.