The Difference Between Low Blood Sugar and Dehydration

The Difference Between Low Blood Sugar And Dehydration

 by Joanna K. Chodorowska

Do you know the difference between low blood sugar and dehydration symptoms? Here are some similarities and differences. Once you know what the cause of the symptom is, then you can know how to fix it. This is what I do with clients. I help them know what those symptoms are and why they are happening. Once we know in this case whether it is caused by low blood sugar or dehydration, we create a plan to correct the issue. I referred to the Health Line and ADA websites for symptoms of low blood sugar, also known as hypoglycemia. I will try to differentiate the difference between low blood sugar and dehydration:

Shakiness – this is low blood sugar but does not happen with dehydration. 

Rapid heart rate – I have not witnessed this as a low blood-sugar issue, but since both sites list it, rapid heart rate must be a symptom! In dehydration, the heartbeat will also climb and be jumpy in the higher ranges. This erratic and high heart rate is a sure sign of dehydration.

Fatigue – This is a symptom of both. With low blood sugar, you typically crave caffeine and need a boost of energy. If you check the time since your last meal, it may be a clear indication you need to just eat, not grab a nap or a cup of coffee. In dehydration, you feel like the wind got knocked out of your sails and you can no longer go at the same pace. It is usually matched with despondency and the desire to go lie down under a tree in the shade and sleep.

Impatience and irritability – This is definitely a low blood-sugar issue and not a dehydration symptom. Notice how co-workers typically get irritable and short with you late morning. They ate breakfast at 6:30/7:00 a.m. and by 11:00 they get very moody. Yes, they need to eat! Although drinking water might also be a good healthy idea, too.

Headache – This a symptom of both. But you want to pair this up with any of the other symptoms to know which issue it is. A dehydration headache is coupled with fatigue, despondency, and slight nausea. A low blood-sugar headache will be coupled with lack of ability to think and put sentences together well and fatigue often with the desire for sweets and caffeine.

There are a few more symptoms of each, but these are the main differences and similarities between low blood sugar and dehydration.

Low blood sugar can be corrected with eating regularly spaced meals which are Metabolically Efficient™ and balanced with protein, vegetables, healthy fats and some carbohydrates. Eating approximately every three to four hours also helps, rather than every five to six hours.

Dehydration can be corrected with electrolyte supplementation, such as Endurolyte capsules or a sports drink like Infinit Nutrition (use discount code: nutritioninmotion for a ten percent discount). You may also need to include foods, which are rich in calcium, magnesium and potassium not just sodium.

If you need help with differentiating between your symptoms to know what is truly the cause, feel free to contact me to schedule a thirty-minute nutrition review to get to the cause. Then we can create the correct nutrition plan to correct the issue.

Joanna K. Chodorowska, BA, NC, TPTH, METS – HMP is a personal nutrition coach, energy worker, and healer. She helps you identify what is causing your symptoms of ill health and use real food nutrition, The Path to Heal and essential oils to fix the issue for good. For more information, please visit

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