Why fluid matters between dialysis sessions

The real cause of thirst isn't water — it's salt. 5 keys to fluid control on dialysis.

1When the kidneys can't remove water, extra fluid between sessions stays in the body: swelling, breathlessness, high blood pressure; removing it too fast on dialysis causes cramps and low blood pressure.
2Studies link larger interdialytic weight gain to higher cardiovascular mortality. A common unit target is no more than 4% of dry weight (about 2–2.5 kg); your own target is set by your dialysis team.
3Thirst is mainly driven by salt: the more sodium you eat, the thirstier you get. Cutting salt works better — and hurts less — than forcing yourself not to drink.
4"Fluid" is not just water: soup, congee, ice, jelly, watermelon and drinks all count; fruit and vegetables contain water too.
5Thirst tips: suck a small ice cube or lemon slice, use a small cup, chew sugar-free gum, and pour the day's allowance into one fixed bottle.

Your pre-dialysis weight is the best feedback. Ask the nurse: "What is my dry weight, and how much did I gain this time?"

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The real cause of thirst isn't water — it's salt. 5 keys to fluid control on dialysis.

1. When the kidneys can't remove water, extra fluid between sessions stays in the body: swelling, breathlessness, high blood pressure; removing it too fast on dialysis causes cramps and low blood pressure.
2. Studies link larger interdialytic weight gain to higher cardiovascular mortality. A common unit target is no more than 4% of dry weight (about 2–2.5 kg); your own target is set by your dialysis team.
3. Thirst is mainly driven by salt: the more sodium you eat, the thirstier you get. Cutting salt works better — and hurts less — than forcing yourself not to drink.
4. "Fluid" is not just water: soup, congee, ice, jelly, watermelon and drinks all count; fruit and vegetables contain water too.
5. Thirst tips: suck a small ice cube or lemon slice, use a small cup, chew sugar-free gum, and pour the day's allowance into one fixed bottle.

Your pre-dialysis weight is the best feedback. Ask the nurse: "What is my dry weight, and how much did I gain this time?"

출처(카드의 각 항목과 대응): KDOQI Clinical Practice Guideline for Hemodialysis Adequacy: 2015 Update — AJKD 2015;66:884–930; Kalantar-Zadeh K et al. Fluid retention is associated with cardiovascular mortality in hemodialysis — Circulation 2009;119:671–679; NKF — Fluid Overload in a Dialysis Patient
확인일: 2026-10-16

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https://beyondckd.com/ko/cards/fluid-between-dialysis

60초 숏폼 영상 대본

장면과 내레이션. 세로 9:16, 자막은 하단 1/3에. 각 내레이션은 왼쪽 출처와 대응.

초	화면	내레이션
0–5	Dialysis-unit scale	Weigh-in before dialysis — up three kilos again. Why does fluid need controlling?
5–16	Swelling, breathlessness, high BP reading	When the kidneys can't remove water, everything you drink between sessions stays: swelling, breathlessness, high blood pressure. Take it off too fast on dialysis and you get cramps and a blood-pressure crash.
16–27	Line: more weight gain → higher risk; "<4% of dry weight"	Studies show the more weight you gain between sessions, the higher the cardiovascular risk. A common unit target is under four percent of dry weight, about two to two and a half kilos. Ask your team for yours.
27–37	Salt shaker → thirst icon	The real cause of thirst is salt. More sodium, more thirst. Cutting salt works better than forcing yourself not to drink — and hurts less.
37–47	Soup, congee, watermelon, ice, drinks in a row	Fluid isn't just water. Soup, congee, ice, jelly, watermelon, drinks — all of it counts.
47–55	Ice cube, lemon slice, small cup, fixed bottle	Thirst tips: a small ice cube, a lemon slice, a small cup, sugar-free gum, and the day's allowance in one fixed bottle.
55–60	Site logo + URL + QR	Evidence-based knowledge for life on dialysis, at Beyond CKD.

출처(카드의 각 항목과 대응)

확인일: 2026-10-16