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What Does It Mean If I Feel Like Throwing Up After a Workout?

by
author image Barb Nefer
Based in Kissimmee, Fla., Barb Nefer is a freelance writer with over 20 years of experience. She is a mental health counselor, finance coach and travel agency owner. Her work has appeared in such magazines as "The Writer" and "Grit" and she authored the book, "So You Want to Be a Counselor."
What Does It Mean If I Feel Like Throwing Up After a Workout?
A woman is stretching after an intense workout. Photo Credit JGI/Blend Images/Getty Images

Working out is healthy, with the U.S. Department of Health and Human Services recommending 75 to150 minutes of cardiovascular exercise each week and twice-weekly strength-training sessions. You might feel like throwing up after a workout, depending on what you do and how hard you exert yourself. Post-workout nausea has some common, preventable causes.

Blood Sugar

You might feel like throwing up after a workout because your blood sugar is low, particularly if you exercise immediately after you wake up in the morning without eating breakfast first or have not eaten for several hours prior to a workout. Many exercises, like sprinting, weightlifting and calisthenics, are anaerobic and make you feel dizzy and nauseated afterward if you have fasted for 10 to 12 hours, cautions fitness specialist Stew Smith. Eating or drinking sugary foods and beverages before a workout may cause nausea for the same reason — because your insulin will rise in response to the sugar, causing a blood sugar drop.

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Dehydration

A vigorous workout makes you sweat, and your body gets dehydrated if you do not replenish the lost fluid during and after your exercise session. People performing lengthy workouts and endurance athletes are at particularly high risk because dehydration chances increase with lengthy workouts. Nausea is one of the signs of dehydration, so you may feel like throwing up if you lost too much water and did not drink enough to replace it while working out.

Motion Sickness

Certain types of exercise cause motion sickness in some people, making them feel like throwing up. This effect happens if you do abdominal exercises like crunches, particularly if you close your eyes or look at different spots on the ceiling while you are in motion. You get a similar effect to motion in a car, on board a ship or in another circumstance that causes movement-related nausea.

Prevention

Prevent nausea after workouts by drinking water before you exercise and throughout your exercise session to ensure you stay hydrated, particularly if you are doing intense activity. Eat protein before working out, but avoid anything containing sugar for at least an hour beforehand. This ensures that your blood sugar level is high enough at the beginning of your workout routine and does not take a sudden drop. Pick a certain point on the ceiling on which to visually focus while doing abdominal exercises and keep your eyes open while in motion. If your post-workout nausea persists or worsens, consult your doctor to rule out other, more serious causes.

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References

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