Medical Oncologist
After your operation
Looking after your surgical drain at home
A drain is a thin tube taking away the fluid your body makes into the space where tissue was removed. Your job is simple: keep it below the wound, empty and record it once or twice a day, and watch for signs of infection. This page covers the routine, the practical awkwardness, and what to report straight away.
MM
Medically reviewed by Dr. Muralidhar MuddusettyConsultant Surgical Oncologist · MBBS (AIIMS), MS (Surgery, AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh) · last reviewed September 2026, next review due September 2027
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The short answer
What does the drain do, and what do I have to do?
A drain is a thin tube taking away the fluid your body makes into the space where tissue was removed. Your job is simple: keep it below the wound, empty and record it once or twice a day, and watch for signs of infection. That is genuinely all of it.
Why it is there
After a mastectomy or an armpit clearance the body fills the empty space with fluid. Left alone that collects, becomes uncomfortable and can get infected. The drain removes it while the space closes down on its own.
Why the recording matters
The drain comes out when the daily amount falls below a level your team sets. Your chart is what decides the date. Guessing or filling it in from memory usually means the drain stays in longer than it needed to.
What it does not mean
A drain is routine after certain operations. It is not a sign that something went wrong or that your cancer was worse than expected. Most women having a mastectomy go home with one.
Keep the bottle below the level of the wound. Above it, fluid can flow back along the tube.Each day
How to empty and record it
Wash your hands properly first
Soap and water, before and after. This is the single most useful thing you do, because infection travels along the tube rather than arriving from inside.
Note the level before you empty
Read the markings on the bottle at eye level and write the number on your chart with the date and time. Do this before emptying, not after.
Empty into the toilet
Open the bottle as you were shown, pour the fluid away, then re-seal it. Most bottles need squeezing before closing to recreate the suction that draws fluid out.
Check the tube and the skin
Look at where the tube enters your skin. Some redness right at the site is expected; spreading redness, heat or pus is not. Make sure the tube is not kinked.
Secure it before you move
Pin or clip the bottle to your clothing so it cannot pull. Most drains that come out early are pulled out accidentally, usually at night or while dressing.
Not sure whether this applies to you?
Ask an oncologistLiving with it
The practical side
Most of the difficulty is awkwardness rather than pain.
Sleeping
Most women sleep propped up on pillows, with the bottle secured on the same side and placed where it cannot fall off the bed. A safety pin through the clothing works better than holding it.
Washing
Ask your team whether you can shower with it. Many allow it with the bottle in a bag around your neck; others prefer a strip wash. Do not submerge it in a bath.
Rules differ between units. Ask yours.Dressing
Front-opening tops, and something with a pocket or a waistband to clip the bottle to. A lanyard or a small cloth bag worn across the body is what most women end up using.
Going out
You can, and walking is good for you. Take the chart, keep the bottle hidden under a loose top if you prefer, and avoid crowds where someone might knock it.
Keep with you
- The ward number
- Your drain chart
- A spare safety pin
!
Ring the ward the same day
Contact the hospital without waiting if you have a fever or shivering, if the skin around the tube becomes spreading red, hot or starts leaking pus, if the fluid turns cloudy or smells, if the drain suddenly stops when it had been draining well, if it falls out, or if the swelling under your wound is rapidly increasing. Keep the ward number where your family can find it, not only in your own phone.
Talk to our team
Have a question about your situation?
Call the helpline or leave your details, and someone will help you arrange a consultation at the CION centre nearest you. One helpline serves every CION centre.
Call 1800 202 8726
Helpline open 24/7
Words you will hear
The vocabulary, in plain language
- Closed suction drain
- The usual type. A squeezed bottle creates gentle suction that draws fluid out along the tube.
- Output
- The amount collected, recorded daily. This is the number that decides when the drain comes out.
- Serous fluid
- Clear or straw-coloured fluid. What you should be seeing after the first day or two.
- Haemoserous
- Fluid tinged pink or red with blood. Normal in the first day, and it should fade rather than deepen.
- Seroma
- Fluid collecting under the wound, most often after the drain comes out. Common, usually harmless, drained with a needle if uncomfortable.
- Stripping or milking the tube
- Squeezing along the tube to clear a blockage. Only do this if your team has shown you how.
Being straight with you
What to expect, honestly
The drain is uncomfortable rather than painful, and the discomfort is mostly about the tube pulling at the skin. Most women find the awkwardness of managing it harder than anything physical, and that settles quickly once you have a routine.
The colour and amount change
Expect blood-tinged fluid at first, fading to clear or straw-coloured over a few days. The daily amount falls steadily. A sudden increase, or fluid turning cloudy or smelly, is worth a phone call.
It may come out and fluid still collects
A seroma after drain removal is very common and is not a complication in the usual sense. It is drained with a needle in clinic if it is uncomfortable, sometimes more than once, and it settles.
Removal is quicker than people fear
The stitch holding it is cut and the tube is pulled out in one steady movement. It feels strange and briefly uncomfortable rather than painful, and it takes seconds. Ask for a painkiller beforehand if you are anxious.
Commonly believed
What families worry about
Having a drain means the operation went badly.
It is routine after a mastectomy or an armpit clearance, because the body fills the space with fluid. Most women having those operations go home with one. It says nothing about how the surgery went or how advanced the cancer was.
She should stay in bed while it is in.
Moving and walking are good for you, and lying still raises the risk of chest problems and clots. Secure the bottle to your clothing and carry on gently. Rest when tired, not because of the drain.
More fluid means something is wrong.
The amount varies a great deal between people and falls steadily over days. What matters is the trend, not a single reading. A sudden jump after it had settled, or cloudy or smelly fluid, is the thing to report.
Recording the numbers is just paperwork.
Your chart is what decides when the drain comes out. Filling it in from memory or guessing usually means it stays in longer than necessary. Write the number down each time, before you empty.
Questions we are asked
Common questions about drains
Can I shower with the drain in?
It depends on your unit. Many allow a shower with the bottle in a bag hung around your neck, others prefer a strip wash until it is removed. Ask before you go home, and do not submerge it in a bath either way.
What if the drain falls out?
Do not try to put it back. Cover the site with a clean dressing and ring the ward the same day. It often happens when the drain was nearly ready to come out anyway, but the team needs to check the site and decide.
It has stopped draining. Is that good?
It can mean the fluid has settled, which is good, or that the tube is blocked or kinked. Check the tube is not bent and that the bottle is still squeezed and holding suction. If it stopped suddenly after draining well, ring the ward.
Does having it removed hurt?
It feels strange and briefly uncomfortable rather than painful, and it takes seconds. A stitch is cut and the tube drawn out in one movement. Take your usual painkiller an hour beforehand if you are anxious about it.
Can I sleep on that side?
Most women find it easier to sleep propped up and on the other side, with the bottle secured where it cannot pull or fall. There is no harm in lying on the operated side if it is comfortable, but few find it is.
How do I hide it under clothes?
A loose front-opening top, with the bottle clipped to a waistband or carried in a small cloth bag across the body. Many units provide a pouch. It is far less visible than you expect once it is secured.
Can I travel or go back to work with it in?
Short local journeys are usually fine. Work is generally too soon, and long travel is best avoided in case you need to be seen. Ask your team, especially if you live far from the hospital.
What if I cannot manage it myself?
Say so before discharge. Someone at home can be taught, or district nursing arranged, and some units keep you in until the drain is out. This is a common and reasonable thing to raise rather than struggling at home.
Meet the Specialists
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Medical Oncologist
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Medical Oncologist
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Medical Oncologist
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Medical Oncologist
Medical Oncologist
Surgical Oncologist
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Surgical Oncologist
Surgical Oncologist
Surgical Oncologist
Dr. Vinay Mamidala
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
Surgical Oncologist
Radiation Oncologist
Radiation Oncologist
Radiation Oncologist
Hematologist
Surgical Oncologist
Dr. Vajja Sandeep Kumar
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
Surgical Oncologist
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Speak to a breast cancer specialist
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Sources
- Cancer Research UK — After breast cancer surgery
- National Cancer Institute — Surgery to treat cancer
- Breast Cancer Now — Wound drains after breast surgery
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.