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(NOTE: This is not meant to be an authoritative document. It is not written by, nor has it been endorsed by any medical professionals. Some of the data presented here may be erroneous. We bear no responsibility for any errors that may be presented here! The information has been gathered from various medical texts and various personal experiences. It is believed to be reliable, but not guaranteed to be reliable.)

WARNING: If you do not insert, and use, catheters properly, you can cause physical harm to your body, as well as extreme discomfort. When properly inserted, and used, catheters can be a safe source of pleasure and comfort.

WARNING: A catheter that is properly inserted will allow all of the urine that your body generates to immediately leave your body. This can cause your body to become dehydrated. Once dehydrated, it can lead to death. While you are catheterized it is important to drink lots of water.

A catheter is a tube that is inserted into the bladder through the urethra down the center of the penis. It bypasses the sphincter that controls the emptying of the bladder. Once the catheter has been inserted, the person has no control over their bladder, and they are incontinent until it is removed.

If the insertion is done properly There is no pain or discomfort from it, although you may have tried putting 'things' up that 'hole' as a child and you experienced pain. If you follow the instructions here it will be a lot more pleasant.

(NOTE: If you are not familiar with the terms being used here then take a moment to read Sex Ed 101 )

Infantilists like catheters since it allows them to feel more like babies with no control over their bladder. S&M scenes quite often use catheters so the Master can humiliate the slave by removing that control from the slave. Some people wear catheters so they have the freedom of not having to find a toilet when the need to urinate arises. Some really like the comfort of the bladder always being empty. Doctors use catheters in cases of prostate problems. They are also used medically when a person is unable to empty their bladder. Catheters are used for diagnostic purposes to explore the urethra  for stenoses or injury, to discover residual urine in the bladder after voiding, and to introduce contrast medium into the bladder. They are used therapeutically to relieve urinary retention.
Catheters are most commonly calibrated in the USA according to the French (fr) scale. Each number on the scale equals 0.33 mm. Therefore, a 30fr catheter has a diameter of 10mm.
For long term retention requiring maximum comfort, getting the right size is important. The catheter should fit snugly inside the urethra. If it is too large, then it will stretch the urethra and be uncomfortable. If it is too small, it will 'rattle' around inside the urethra and cause discomfort. The correct size depends solely on the diameter of the urethra.

As an example, as I write this, I'm wearing a 20fr catheter with a 30 ml balloon quite comfortably and I would say that I'm an average sized guy.


For the discussion here, we will be focusing only on the Foley Catheter. The Foley Catheter is a self-retaining catheter. Which means that it is able to retain itself in place, once it is inserted.

There are instances when a person is unable to control their bladder and they can not release the flow control muscles and the bladder fills up and it must be emptied manually.


In preparing to insert the catheter, the MOST IMPORTANT part is cleanliness, and sterility! You are going to insert a foreign object into a human body. You are inserting something that (in the eye of the human body) does not belong there. Things are not expected to go in there, only to come out of there. There is no natural defense mechanism within the urethra and bladder to fight off any germs that might get in there. So, it is VERY important that you maintain a high level of  CLEANLINESS and STERILITY!

Thoroughly wash your hands with Betadine, or a similar disinfecting solution. Dry them with a fresh, clean towel. Thoroughly wash the penis with Betadine, or something similar. Thoroughly dry the penis. It's best if you have some sterile gloves to use on your hands - especially if you are inserting the catheter into someone else.
But even if you inserting the catheter into yourself be super clean about it.

If you have been playing with your anus or his anus, like an enema, be sure that your hands have been sanitized before you do the insertion.

Use a water-soluble, sterile lubricant. Do NOT use Vaseline, or petroleum based lubricants. Nor, should you use vegetable oils, etc. Make sure that it says on the tube that it is sterile. Look for lubricants that are used for gynecological exams that are water-soluble. (People have been known to die from using vegetable oils as a lubricant!)
In order to properly lubricate the urethra, you should use a syringe to get at least 15 ml of lubricant injected well down into the urethra. If you only apply lubricant to the catheter, it gets wiped off as it enters the urethra, and the catheter goes in dry.
You can get a large syringe, squeeze part of the tube of lubricant into it, and put the plunger back in place. Insert the end of the syringe into the urethra as far as it will go, and push the plunger down, injecting the lubricant into the urethra. Make sure that there is no air in the lubricant! You may want to de-sensitize the head of the penis with something like Ambesol (for sore teeth) spread around the glans, before injecting the lubricant.

The insertion kits that we sell are already sterile as we ship them to you. Be careful how you open them up so as NOT to ruin the sterility.

I recommend that you follow these steps: (Assuming that you are doing this to yourself.)

  1. Remove all of your clothing and take a hot, soapy shower. Pay particular attention to your genitals.
  2. Dry yourself off with a freshly washed towel fresh from the dryer.
  3. Remove a couple of sheets from the roll of paper towels and set them aside.
  4. Remove a couple more sheets of paper towel and spread them out in a convenient location.
  5. Remove the outer wrapping of the catheter and lay it on the paper towel you just spread out.
  6. Use anti-bacterial soap to thoroughly wash your hands. You can dry them on fresh paper towels, or let them air dry.
  7. Put on sterile medical gloves.
  8. Remove the catheter from the inner wrapper and lay it on the towel.
  9. Squeeze out some lubricant on a waste towel and throw it away.
  10. Without touching the catheter, squeeze lubricant onto the catheter.
  11. Use anti-bacterial soap to thoroughly wash your hands and your penis.
  12. Rinse your hands and penis well, or you may get soap in your urethra.
    (I use the kitchen sink, hold a big pot under my penis and testicles and use the sink sprayer to thoroughly rinse off.)
  13. Dry off with either fresh paper towels, or let it air dry.
If you have an erection, you need to get rid of it before you can insert the catheter. If you masturbate, you need to pee normally to wash out the urethra before you try doing an insertion. But, if you do that, then your bladder will be empty and you won't know when you have entered the bladder.

You can proceed with the insertion.

If you have a foreskin pull it back as much as you can so that you are working directly with the penis.
After proper cleansing and lubrication, the catheter can be manipulated with a sterile gloved hand.  It is simpler, however, to grasp the catheter near it's tip with a sterile clamp, and to hold the other end of the catheter between the fourth and fifth fingers of the same hand. The catheter can then be advanced with the clamp without being touched by the unsterile hand.

The penis is stretched taut with the other hand, pulling the penis up around the catheter.  Once the penis has been pulled all of the way up, slide the catheter and the penis, as a unit, back into the body. Shift the grip on the catheter with the clamp, and, holding the catheter steady, pull the penis up around the catheter. Repeat this procedure until urine comes out of the catheter.

The flow of pee is the key indicator that you have it in far enough!
Shortly before the urine flows, the subject will feel an uncomfortable sensation as the catheter passes through the sphincter muscle that controls the bladder. This sensation is only while the catheter is being passed through. Once it has been passed through that muscle, that discomfort will go away.

Activating the balloon that holds the Foley Catheter in place is done through the use of a syringe, without a needle. Fill the syringe with 10 cc of sterile water (for a 5 cc balloon) and put it in the inflating nozzle to inflate the balloon. The water should be sterile in the event that the balloon breaks. Water should be used instead of air. Air can be compressed, water can't. If it is filled with air, it is possible for it to slip out a little, causing extreme discomfort.
Now that it is in, urine will be coming out all of the time. Whether it comes out as a stream, or by dripping depends, of course, on how much liquid you put in your body. Something needs to be done with that urine. Infantilists like to wear diapers to catch it. Masters will usually simply have it go in a pail, or on the Dungeon floor. Bags are available that are strapped to the leg. The output of the catheter is connected to the leg bag. The bag then gets emptied when needed. For night time use, bags are available that hang on the bed frame with a tube that connects to the catheter. You can also plug the end of the catheter with something like a golf tee - but, that defeats the purpose of the catheter :-) There is also a bag that is called "The Belly Bag". This is worn around your waist under your clothing and the catheter hooks into this and the urine is collected there. It holds 1000cc, or approximately 1 quart.

  LEG BAGS: We have collection bags that you can wear on your upper thigh, or you can get an extension and wear it around your ankle. They are easily emptied.

  BELLY BAGS: We also have bags that you wear around your belly. This is a discreet way of carrying your pee around with you.

  Big Daddy's Favorite: I prefer to use a leg bag down by my ankle. This means that when it gets full that I can easily bend over and empty it and no one knows what is happening except for the puddle. Wherever possible I'll use a storm drain to drain it in to.

Of course, I could always wear my favorite diaper. However, the catheter is always draining and I don't have any idea how much is going in there like I do when I am consciously relaxing my bladder valves and filling the diaper that way. With a bag and the catheter I can determine how full the bag is by feeling my pant leg or visual examination.

When I use the extension, we have a 'strap' that goes around my leg in the vicinity of my knee that keeps the flow of the pee from my bladder directly to the disposal 'bladder'. Then, I just need to make sure that I'm not getting de-hydrated. This positions the tubing into a logical flow.

If you haven't thoroughly cleaned things, and observed the sterility precautions with the catheter, the person can develop cystitis, or non-specific-urethritis. This is especially true if your hands, or his penis has been playing in the anal area. Quite often just washing with soap and water will not kill the bacteria that gets picked up in the anal area. The symptoms of cyctitis is a burning sensation when urinating (after the catheter is removed), extreme discomfort after wearing the catheter for several days. And, lower back ache. I recommend that you remove all of the hair from the pubic area. This not only helps to insure sterility but it also helps to improve the sensitivity when you are wearing a diaper.

If the person has never been catheterized before, he is going to feel discomfort for a few hours after the catheter has been inserted. This discomfort gradually goes away - within 4-6 hours. If he has been previously catheterized, subsequent times usually go a lot better, with little or no discomfort. Typically, within 6 hours the person is going to find it to be quite comfortable. If this does not happen, deflate the balloon and slowly remove the catheter from the penis and throw it away.  Give the tissues 2-3 days to recover and try it again.
The newer catheters are being made with a silicone coating, or entirely of silicone. These are usually easier and more comfortable to insert, as well as more comfortable to wear.

NEVER re-use a catheter! Unless you have an autoclave, there is no way that you are going to get them properly sterilized!
The prices of catheters are not all that expensive and not worth the hassle of the infection.


You can masturbate with the catheter in place. In fact, the pleasure is often heightened. The catheter passes through the middle of the prostate. Masturbation causes the catheter to internally massage the prostate. Inserting a finger in the rectum and massaging the prostate that way, at the same time will drastically heighten the orgasm. However, the actual ejaculation is nothing more than an oozing out around the catheter. You will also experience some discomfort in the urethra after the ejaculation that may last for a few hours.
As you walk around, because the catheter passes through the middle of the prostate, and because the catheter moves in and out of the urethra, anchored by the balloon in the bladder, the catheter provides the prostate with a continual massage.


  1. Resist the urge to inject ANYthing up that tube. That's not a place to insert an enema. Do not BLOW air up into that tube. That's an exit only orifice. If you really feel a need to administer "something" via that catheter, then get a reliable medical opinion first. I am quite mindful that anything liquid inserted into the rectum is absorbed very quickly and very efficiently. I'm guessing that anything inserted into the urinary bladder will also get acted on suddenly. Get a medical opinion before you try it.
  2. You may feel a need to pee after you have been catheterized. Just relax and let it go.
    • The bladder muscles may have clamped the catheter shut. Relax and you will pee.
    • It may be that the nerves are trying to figure out what is going on and they are sending you that signal. Relax like you are going to pee normally. Nothing should come out around the catheter.
  3. You may feel that your bladder is full and when you relax a quantity of pee comes out around the catheter. That means that there is a blockage in the tubing somewhere. If you can't find it externally, then remove it and insert a new one.
  4. You may feel a need to poop. The confused nerve endings may be sending this signal and there is nothing to come out. If you have a diaper on, just humor the nerves and try to poop in your diaper.
  5. It may feel quite strange during your first few moments of having a catheter in place. Try to tolerate it for up to 3-5 hours. If it still hurts then use the syringe to remove the water and deflate the balloon and gently remove the catheter and throw it away.
  6. Remember to keep drinking water and electrolytes to keep your body functioning.


Blood is not meant to leave the body. Any time that you see blood leaving your body you need to pay attention. If you see blood in your diaper, either that has come out of your penis, or has come out of your poop chute, you need to be alarmed and see a doctor! If you are seeing blood in your collection bag, or in your diaper that has come from your penis or catheter, you need to see a doctor. Be very honest and open with him/her and tell them exactly what you have been doing!

Teenbabys, Adult Babys, and Diaper Lovers are also welcome here
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Feel free to ask your questions about catheters. We'll try to help you based on our personal experiences. Questions? Comments? Worries? Stupid Questions? Just ask us! Customer Service


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Last revision: 12-November 2011
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