(Closed) Feeling sick after running. What to do?

posted 7 years ago in Fitness
Post # 3
1820 posts
Buzzing bee
  • Wedding: August 2010

That is pretty normal for me.  Some things that help:

  • Make sure you getting enough water – like lots of water! – before, during, and after your run. 
  • Try eating or drinking something with a little bit of salt (a couple of crackers or diluted Gartorade or Propel) before your run – this has really helped me!
  • Stretch before and after your run.

Post # 4
571 posts
Busy bee
  • Wedding: June 2010

Congrats on all of your hard work on C25K!  I’ve been a runner for a long time and have done several longer distance races (half and full marathons).  What you’re describing sounds totally normal to me… running takes time for your body to adjust to.  How do you feel while you are running?  Do you just start to feel bad afterward?

My best advice would be: Always use the bathroom before you start your run, 2) don’t drink too much water before or during your run– you want to stay hydrated, but too much water at once can make you feel sick, 3) Make sure you are going at a pace that works for your body.  If you don’t have a heart-rate monitor, I’d recommend getting one and making sure that you aren’t maxing out your heart rate and 4) make sure you take some time to cool down after your run– walk or do some very slow jogging for a few minutes before sitting down.  Whenever I sit down too quickly after a long run, I feel overheated and sick.


Hope that helps and good luck!

Post # 5
18 posts
  • Wedding: September 2012

Congrats on doing the C25K! This is an amazing program that got me running as well.

There are a couple of reasons why this could be happening. The most common reason for having stomach pain after running is due to not eating enough. Do you run first thing in the morning? If you do, try eating a handful of almonds and half a banana about 30 mins before your run. I think that will help you a lot with the post-running pain.

Regarding the poops, this could be from consuming dairy the night before your run. Dairy can aggravate the digestive system and when you run this can further aggravate. Try cutting out dairy the night before your run and you might see a big difference.

Hope this helps!

Post # 6
3564 posts
Sugar bee
  • Wedding: August 2010

To some extent, having to poop after running is normal–I think it’s from all the bouncing up and down (http://www.time-to-run.com/doctor/runnerstrots.htm). For me, I like to try to avoid eating for about 2 hours before I run, and make sure I go to the bathroom before. I also make sure I’m hydrated, which means drinking a ton of water in the 1-2 hours before my run, NOT in the 15 or 30 minutes before–there’s no way I’d be able to pee enough out to be comfortable running. 

Post # 8
438 posts
Helper bee
  • Wedding: April 2011

@Boston Bee:  I run in the mornings as well, and I end up drinking a couple sips of water right when I wake up so I’m not too dehydrated during the run.  Feeling sick just means you pushed your body harder than it was expecting.  If you do start feeling that way, back off your pace just a little bit (or walk) until you can recover. 

Post # 9
237 posts
Helper bee
  • Wedding: January 2012

from another view.. what I tell my clients.. Before your run put 5 drops of peppermint oil and 10 drops of ginger oil on your chest and dab a little under your nose. Peppermint opens you up for better breathing and clears your head while ginger is for the nausea and both increase energy. (I’m a massage therapist and always deal with oils and aromatherapy) 🙂

Post # 10
1040 posts
Bumble bee
  • Wedding: May 2012

Sometimes I feel sick if I drink too much water while working out, directly before, or directly after. Same with eating.

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