I can't believe we can send craft to Mars, we can perform unofficial head transplants on apes, but we can't stop the dreaded ring sting!

I had a 12" subway for lunch yesterday. (my usual veggie pattie with Southwest sauce, but this time I thought I'd try Hot chili sauce instead.

I didn't find it hot at all while I was eating it
Why sting out the back door now! You can't explain that!

Is there anything I can eat after it to stop this or neutralize this effect in future?
I'm looking for very serious discussion on this sensitive topic!

Maybe a hydrocortisone salve applied by insertion of the appropriate applicator? Maybe a popsicle?

I had a problem with hemorrhoids caused by lifting some serious weight (300+ pounds) unassisted. I've had them removed by ligation. It's a bunch better than a surgical hemorrhoidectomy, from what I'm hearing.

All kidding aside, maybe you should consider eating spicy things that don't have said effect. For example, hot mustard like that gotten at Asian restaurants doesn't have this effect.

There are soothing wipes. I've used them after exceptionally long hikes on hot days, and when I was cook. Swamp ass is real.

Is there no such product I can take a swig of which can kill the burning sensation.
I think there's a good market for that!
I don't want it to affect the taste/sensation going in, which will work because what you swig first will neutralize it in your guts after the yummy yummy!
Then again, if they can do that, why not a fat dissolving swig of something first ... I think I'm dreaming ... carry on.

Try a whole milk enema and report back.

You’re welcome:

https://youtu.be/J7L9THry9QM

Why do you think they invented tequila?

Gently massage a mixture of Jasmine and Geranium oils around the ring piece. It wont stop it stinging but at least it smells nice.

I think that to stop the effect you'll need to create a way that the capsaicin contaminated poop never interacts with the neurons in your anal orifice. That probably means insertion of some kind of "pooping tube" prior to evacuation. If you grease the outside of the tube it might provide an additional physical barrier in case of leaking around the initial tube/poop interface.

Please note that the tube will probably need some sort of restraining feature to keep it in place thru the event. When you're bearing down the last thing you'd want would be accidental early poop tube ejection. You'd just end up fishing, and then your fingers will burn. 

Another thought is to take a shit load (see what I did there?) of laxatives after ingestion. Probably recommend a combination of hyperosmotic and stimulant. At least that should reduce the amount of direct contact of capsaicin/neuron by decreasing evacuation time and thru capsaicin concentration dilution.  

I'm sure we're all rooting for you Iggy.