How to tell if you are dehydrated – dangerous long-term effects explained

Dehydration in the summer is not just a passing inconvenience, as when people forget to drink, they could court dangerous consequences. The last week has seen yet another heatwave, the hottest yet with temperatures capping at 32C more than once. As people continue to work from home or enjoy their new freedoms outside, they need to replace lost fluids.

How do you tell if you are dehydrated?

Dehydration causes a range of hallmark symptoms, ranging from mild to potentially severe.

As such, they can sometimes prove tricky to identify and may go under the radar as people go about their lives.

But symptoms can rapidly progress, depending on people’s lifestyles, and could leave them in a dangerous situation.

READ MORE: UK heatwave: SEVEN best ways to stay cool in hot weather

Dehydration complications include:

  • Seizures – caused by an electrolyte imbalance
  • Urinary tract infections
  • Kidney stones
  • Kidney failure
  • Heat injury – caused by excessive exercise, potentially resulting in heatstroke or heat exhaustion
  • Low blood volume shock – when low blood volume causes blood pressure to drop


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