SYMPTOM
A queasy or sick-to-your-stomach feeling that shows up during or shortly after a hard workout.
For general awareness only. This is not medical advice. If symptoms are severe or persistent, consult a healthcare professional.
Showing 6 causes
Blood flow redirected from the gut
During intense exercise, your body sends more blood to your muscles and less to your digestive system. This temporary slowdown in digestion is a common cause of post-workout nausea.
Dehydration
Sweating heavily without replacing fluids could lower your blood volume, which can bring on nausea, lightheadedness, and fatigue during or after a workout.
Exercising too soon after eating
A full stomach combined with intense movement could cause food to digest unevenly, which commonly leads to nausea or even regurgitation during exercise.
Overexertion past your usual intensity
Pushing harder or longer than your body is used to can spike lactic acid and core temperature quickly, both of which are linked to nausea after exercise.
Low blood sugar
Long or intense workouts without enough fuel beforehand can drop your blood sugar low enough to cause nausea, shakiness, or dizziness.
Heat-related illness
Exercising in hot conditions without enough cooling or fluids could push your body toward heat exhaustion, which often includes nausea as an early warning sign.