How to Prepare for Your First Dialysis Session: A Step-by-Step Guide
Starting dialysis can feel like a big change, especially when you are unsure about what to expect during your first session. However, understanding how the treatment works and what you need to do beforehand can help you feel more comfortable.
Preparation for dialysis begins with understanding your treatment plan, taking care of your vascular access, following your prescribed diet and fluid intake and keeping your care team informed about any concerns.
Understanding What Dialysis Involves
Haemodialysis uses a machine and a filter called a dialyser to remove waste, extra fluid and some minerals from the blood when the kidneys cannot do enough of this work on their own. Blood travels to the machine, passes through the dialyser and returns to the body.
Preparation for dialysis also means knowing that the first session is a medical treatment, not a test you have to "pass". The team will monitor you throughout the session and can adjust treatment if you feel unwell. In-centre treatments often take about 3 to 5 hours, although your nephrologist decides the duration based on your needs.
Before Your First Session: What to Do
From discussing your treatment plan to caring for your vascular access and managing your diet, the following steps can help you approach the first session with fewer surprises.
Talk to Your Care Team About What to Expect
Ask how long your sessions should take, what symptoms to report, whom to call after hours and whether any medicines need a change in timing. You should also discuss your target weight, blood pressure goals and fluid allowance, as well as potassium, phosphorus and protein goals with your care team.
These are practical precautions before dialysis because knowing what to expect makes it easier to spot a problem early.
Arrange Vascular Access (Fistula, Graft, or Catheter)
Haemodialysis needs a vascular access through which blood can safely leave your body and return after being cleaned. The type of access depends on your health, how soon dialysis needs to begin and the condition of your blood vessels.
- Fistula: An arteriovenous fistula connects an artery to a vein, usually in the arm. It is generally preferred for long-term haemodialysis because it can provide reliable access when it has developed properly.
- Graft: A graft uses a soft synthetic tube to connect an artery and a vein. It may be considered when a fistula is not suitable.
- Catheter: A venous catheter is placed in a large vein and may be used when dialysis needs to start quickly or when permanent access is not ready.
Plan Your Diet and Fluid Intake
Do not make sudden dietary changes on your own. Your renal dietitian should help you decide how much fluid, salt, potassium, phosphorus, protein and calories you need.
Before treatment, follow the fluid limit given by your care team rather than drinking extra water. This is an important part of preparation for dialysis because excess fluid can make treatment harder.
What to Bring on Treatment Day
These simple precautions before dialysis can help make your first treatment more organised and comfortable.
- Wear comfortable, loose-fitting clothing that provides easy access to your dialysis site and helps you stay comfortable during treatment.
- Bring your list of medications, identification, insurance information and any paperwork requested by the dialysis centre.
- Dialysis can take many hours, so a book, headphones, tablet or other quiet activity can help pass the time.
- Arriving at the centre well before your appointment gives you time to register, settle in and ask any questions without feeling rushed.
What Happens During Your First Session
As an important part of preparation for dialysis, the staff usually check your weight and vital signs, including blood pressure. They will assess your access and connect you to the dialysis machine. With a fistula or graft, the procedure usually means needle placement. With a catheter, dialysis lines connect through it. Your blood then passes through the dialyser and returns to your body.
Inform the staff promptly if you experience dizziness, nausea, cramps, headache, chest discomfort or unusual weakness.
Managing Anxiety Before Your First Treatment
Feeling nervous is understandable, as you may be thinking about needles, side effects, the time spent at the centre or changes to your routine. Good precautions before dialysis include making sure your concerns are heard and knowing whom to contact if something feels wrong.
So, write down your questions before leaving home and ask the team to explain each step. You can also ask whether a family member or friend may accompany you, depending on visitor rules. In case you still feel anxious during the treatment, deep breathing, familiar music and focusing on one step at a time may help.
What to Expect Afterward and Tips for a Smoother First Few Weeks
The first few dialysis sessions may take some adjustment as your body gets used to treatment and you settle into a new routine.
- You may feel fatigued, weak, dizzy or a little sick after the treatment.
- Don’t assume discomfort is something you just have to live with. Your team might look at fluid removal, treatment duration, medications, or your goal weight to make you more comfortable.
- Notice how you feel during and after each session and note down any questions or concerns to discuss on your next visit.
- Your food and fluid needs are based on your unique treatment plan, so follow the advice of your nephrologist or renal dietitian.
- Keep the access site clean and follow the care recommendations given to you by your dialysis team.
- Don’t skip or cut treatments short unless your care team tells you to.
Seek urgent medical help for chest pain, severe breathing difficulty, fainting, uncontrolled bleeding, fever or signs of infection around the access.
Conclusion
Preparation for dialysis mainly involves understanding your treatment, protecting your access, following your personalised diet and fluid plan and communicating openly with your care team. As you become familiar with the routine, the process often becomes easier to manage.
For people who need flexibility around work, travel or changing circumstances, NephroPlus provides in-clinic dialysis, home haemodialysis, dialysis on wheels, dialysis on call and holiday dialysis. The right option depends on your medical needs and the plan agreed with your nephrology team.
Frequently Asked Questions (FAQ's)
How long does the first dialysis session usually last?
Many in-centre haemodialysis sessions last about 3 to 5 hours, although your prescribed duration can vary depending on your treatment plan and clinical needs.
Will my first dialysis session hurt?
You may feel a brief sting when needles are placed in a fistula or graft. The treatment itself should not be painful. Tell the team if you have pain, cramping or feel unwell.
Can someone accompany me to my first dialysis appointment?
This depends on the dialysis centre’s visitor and infection-control rules. Ask the centre in advance so you know who can come with you.
What should I eat or avoid before my first session?
Follow the meal and fluid advice given by your nephrologist or renal dietitian. Avoid changing your fluid, salt, potassium or other dietary intake on your own.
How will I feel after my first dialysis treatment?
You may feel tired or light-headed for a while. Some people develop cramps, headaches, nausea or weakness. Tell your dialysis team about symptoms, especially if they are severe or do not improve.



