Fitness Question: Why Do I feel light headed after exercise?

Fitness Question: Why Do I feel light headed after exercise?

Do you have fitness questions? Are you struggling to know how to achieve your fitness goals? Is your mind confused by all the information regarding fitness and not sure what to believe? Well never fear GenFit/Bodysharp is here to help.

If you got questions, we have the answers!

Trainers Mikey Spice and Sabrina answer the question

Why do I feel lightheaded after exercises?

Causes. Feeling dizzy or light-headed is often a result of your body not being able to get enough blood and oxygen to your brain. Feelings of nausea could be caused by your body not having enough calories in your system to compensate for the amount of physical activity you’re doing.

One of the common causes of feeling faint after a workout is simply overexerting yourself. Pushing your body too hard can result in your heart working too hard and not getting enough blood to your head. You may also feel dizzy if you haven’t been hydrating your body during exercise, or have been exercising in the heat.

TIPS: Don’t overtrain / Cool Down don’t just stop / Hydrate

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50 Comments

  1. bubblyoonie on January 4, 2022 at 5:02 pm

    Why do I feel like I was about to faint after working out even though I’ve never experienced it before? And after working out I quickly fall on the ground although I have eaten before doing the workouts



  2. Dead Bones Brook on January 4, 2022 at 5:02 pm

    I feel drunk after a workout



  3. Likhit Reddy on January 4, 2022 at 5:04 pm

    Every time I do pushups like 40 to 50 I feel dizzy and light headed I’m feeling this from a month earlier in used to do e, excise in my home town but recently I shifted to a new city after shifting this is happening to me i also have anxiety please suggest something



  4. Emina Alihodzic on January 4, 2022 at 5:08 pm

    I feel dizzy, lightheaded and nauseous after workout.



  5. EVAN.norwalk California on January 4, 2022 at 5:08 pm

    🗣I’m been nauseous for 15hours straight 🥴couldn’t even go to sleep😴,it is now 6am,and still feel like crap💩…haven’t worked out in two years,and started back up yesterday and I was goin in real hard,I learned my lesson,imma start out with 50 bench and curls and work my way up…I haft to stop typing now I think I got to🤢🤢🤢🤮🤮🤮🤮🤮🤮🤮…sorry for the mess…lol



  6. Khurram Shabbir on January 4, 2022 at 5:10 pm


  7. Darnell Collins on January 4, 2022 at 5:10 pm

    Thanks guys this was very very helpful thank you.



  8. Travel 'N' Chill on January 4, 2022 at 5:11 pm

    may i know background music name?



  9. Alec on January 4, 2022 at 5:11 pm

    Me: why am I dizzy after a workout??
    Him: not enough air in your brain
    Me with asthma: yep that’s it



  10. Ashley Santos on January 4, 2022 at 5:15 pm

    I don’t like the sound echo. You guys should get mini mics. Overall it was helpful the info. Thanks



  11. Alinllj on January 4, 2022 at 5:16 pm

    Any training tips for muscle growth for a skinny 15yo?



  12. Mr. Write143 on January 4, 2022 at 5:17 pm

    I get dizzy on my 2nd workout. I felt like passing out. Well yeah i havent eatin except coffee and bread for a day. I almost collapse. Im puahing my self on my first back workout im doing weighted pullups on my first and i was sweating cold so its a bad feeling. Good thing i have dates fruit incase i run out of sugar. Im doing my cuts thats why i only eat 1 big meal on the evening and fasting on the day.. Bad diet plan i guess



  13. Samah Chaouche on January 4, 2022 at 5:19 pm

    Helpful but noisy plz dnt scream next time or try to be in a place with no echo .. keep it up guys



  14. Emi Rider on January 4, 2022 at 5:20 pm

    I go to a tennis camp and every time when I’m warming up I get dizzy. My vision gets blurry and I am crazy tired. I not even working that hard out there. It got so bad, last year I fell to the ground and almost passed out.



  15. Jacob Lavilla on January 4, 2022 at 5:20 pm

    Working out while fasted gives the best results. Eating prior to working is not necessary and I
    Recommend not eating prior to workout just stay hydrated. This is all of course if your cutting/losing weight .



  16. Mark Mallorca on January 4, 2022 at 5:20 pm

    I done 50 minutes workout 🤒



  17. Caleb Tieman on January 4, 2022 at 5:20 pm

    High blood pressure and too much caffeine can do this too. I know this from experience.



  18. Kimochisus on January 4, 2022 at 5:21 pm

    What if I do eat and drink water before exercise and still feel light headed and dizzy after running



  19. Joungkookie on January 4, 2022 at 5:24 pm

    I don’t no why my body feels light I don’t work out at all



  20. June bale on January 4, 2022 at 5:24 pm

    I ses the female doing the same workouts as you guys yet she has less muscle. Why? How?



  21. Ra 2ii on January 4, 2022 at 5:25 pm

    Is it okay if both of my ears gets blocked and i feel dizzy during a workout, i feel like throwing up.🤢😔



  22. Zell the lone wolf on January 4, 2022 at 5:25 pm

    Thanks I was wondering why I was light headed and stumbling around after I did the treadmill



  23. Jesse Kline on January 4, 2022 at 5:28 pm

    I don’t know if anyone’s still watching to be able to answer my question. But today I was trying a freeway style bench press. And I don’t know if that’s what it’s actually called. But I noticed that with the free weights it was a lot harder than with a bar. And I started kind of getting this feeling that I was going to black out while I was doing it like I was seeing little things in front of my eyes. But I didn’t black out. And I went ahead and strained to finish. Afterwards I felt light-headed the rest of my workout. And I still kind of feel a little light-headed and weird. Does anyone know what this could be?



  24. Uma Baraik on January 4, 2022 at 5:28 pm

    When I do cardio, I feel burn in my diaphragm and I feel extremely light headed for some time. Am I fine??



  25. Hari on January 4, 2022 at 5:29 pm

    No bs straight to the causes and solutions thank you guys. Helped me lots



  26. ArtisticBiscuit07 on January 4, 2022 at 5:29 pm

    Birpees, jump squats and other similar exercises make me feel like passing out



  27. seventhseance on January 4, 2022 at 5:33 pm

    Oops…I ate an hour to 30 minutes before feeling dizzy and nauseous 🤢🤕🥴



  28. Watson Anthony on January 4, 2022 at 5:33 pm

    Who is she 😉😉 lol



  29. Ben david Ben on January 4, 2022 at 5:33 pm

    Hey I’ve been training for 4 weeks and today I started squats and lifting and after few seconds i saw dark spots and i throw up and I had a lot of sweat so I sit on the floor and slowly start to see again why it’s happened?



  30. Safia Zad on January 4, 2022 at 5:33 pm

    When I do hip thrust I end up felt dizziness so I stop workout immediately ! I feel like I’m wasting my time without doing anything 😢 between I have 8 months since I started lift heavy weights but it still bothering me all the time while I do hip thrust !



  31. Jbird on January 4, 2022 at 5:35 pm

    Hey man, I’ve always stayed in the gym and biked and such, since 15, now I’m 45. Just took a year off, well did some hiking and jogging before summer heat.

    After lots of beer, bad food, bad sleep, cigs now and then………….the weather is good and decided to ride the bike.

    So today I hiked the dog a few miles, then napped, then lightly rode bike for 30 minutes.

    After riding I was just nauseated and light headed for about 30 minutes.

    Pretty normal after not working out for so long?

    I’ve never gone that long.

    Normal?

    Getting used to higher oxygen again, blood pressure changes…?,,,,,…..



  32. Rapture Ready on January 4, 2022 at 5:35 pm

    The girl looks light headed out of the three!



  33. Petalgirl on January 4, 2022 at 5:36 pm

    I felt like these guys were yelling. Too loud. Tone it down a bit fellas. You don’t need to be loud to be enthusiastic.



  34. Ismail TNI Sanusi on January 4, 2022 at 5:37 pm

    eat, drink and wait two hours before a workout. I hope this works.



  35. Anand on January 4, 2022 at 5:39 pm

    I only feel dizzy after training legs every once in a while, do you think it’s because I didn’t warm up enough? Or have a big enough meal?



  36. memoranda1 on January 4, 2022 at 5:40 pm

    i have recently been feeling light headed when running and i never felt that sensation before. it wasn’t even hot outside, there is a breeze and plenty of shade all around. but after 15 mins of running i start to feel dizzy and i’m not even heavy…i’m 5’6 140 lbs. no chest pain just dizzy and i feel like fainting…i’m not even pushing my body to its maximum potential..just light jogging.



  37. y-complex on January 4, 2022 at 5:41 pm

    Does dieting have to do with this?



  38. vaderggs on January 4, 2022 at 5:42 pm

    Almost had a panic attack ngl but I controlled myself



  39. Bruce White on January 4, 2022 at 5:42 pm

    When I exercise I literally can’t feel my arms or anything



  40. Pigeon Ray on January 4, 2022 at 5:42 pm

    His face after he touched his watch lol.



  41. Smokillo on January 4, 2022 at 5:44 pm

    I was doing sumo squats with a 20 lb weights and other strength trainings and 2 days after I feel kinda off balance when standing and walking it feels like a pressure on back of my neck and back and my feet feel different when upright.



  42. vanusha Godranah on January 4, 2022 at 5:45 pm

    Very helpful



  43. Parham Ansaripour on January 4, 2022 at 5:47 pm

    Hey I get a little dizzy and light headed after 20 min of tredmil it’s not bad or anything I’m fine nothing happens I can hardly even tell eveything is fine with my but I just feel a little weird after I get off the tredmil is that just normal for people who use tredmils?



  44. kane on January 4, 2022 at 5:47 pm

    they blocked out the best part in this video



  45. Helios Orion on January 4, 2022 at 5:48 pm

    Bruh, i feel pity on myself hahaha I almost passed out after doing a 15 minutr cycling….and it was my 1st excercise of thw day hahahahahahah



  46. mile stanisic on January 4, 2022 at 5:51 pm

    well we all know that and yet there are some of us who still have this problems but its hard even to think about givin up the training.



  47. Laudiceia Silva on January 4, 2022 at 5:52 pm

    Hi Mikey and Sabrina. I have been experiencing quite a lot of head rushing during my exercising. I am not sure my PT is pushing me to hard. I can do more repetition on a lighter weight I think, than heavy weight with more repetition. As sooner I pushed the heavyweight my head just pumping on the top of my head. Please give me some ideas what to say to him😔 thank you



  48. Iridium night on January 4, 2022 at 5:52 pm

    Did a workout today in my school weight training class and my teacher had us on high rep sets. I did heavy weight with those high reps and I was dead. My vision went blurry I was feeling weak and light headed. And ontop of that out gym is in a portable building because our school is being remodeled and we have no water.



  49. Shawn Antunes on January 4, 2022 at 5:55 pm

    Make sure you are breathing properly



  50. Anønymøus Víds on January 4, 2022 at 5:57 pm

    I feel light headed lifting weights. I’ll try to be hydrated before I do it. coz sometimes I push too hard to the point where my entire face goes red.