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10 Signs You’re Not Drinking Enough Water

by Dr. Jonathan Doyle - Updated March 18, 2025
Water is the essence of life, yet many of us in the UK don’t drink nearly enough of it. Whether it’s forgetting to refill your glass or swapping water for endless cups of tea or coffee, dehydration can creep up on you without you realizing.
Not drinking enough water doesn’t just make you feel a little thirsty – it can seriously affect your body and mind. From sluggish energy levels to more severe health concerns, dehydration is a silent troublemaker. In this article, we’ll explore 10 warning signs that you’re not drinking enough water and why staying hydrated is so crucial.

1. You Feel Tired All the Time

Ever feel constantly drained, even after a decent night’s sleep? Dehydration is a common cause of fatigue. When you don’t drink enough water, your blood volume decreases, making it harder for oxygen and essential nutrients to reach your muscles and brain. This can leave you feeling sluggish and unmotivated.
Tip: Try swapping your afternoon coffee for a glass of water – you might be surprised at how much fresher you feel!
feeling bad

2. Your Skin Looks Dull and Dry

If your skin is looking lacklustre, dehydration could be the culprit. Water helps keep your skin plump, hydrated, and glowing. Without enough of it, your skin can appear dry, flaky, and prone to fine lines.
Hydration Hack: Want better skin? Start from the inside out. Aim for at least 6–8 glasses of water a day, and your skin will thank you.

3. You Get Frequent Headaches

One of the most common symptoms of dehydration is a headache. When your body lacks water, your brain can temporarily shrink, triggering pain receptors. This can lead to tension headaches or even migraines.
Next time you feel a headache coming on, try drinking a large glass of water before reaching for painkillers – it could be a simple fix.
headaches

4. Your Urine Is Dark Yellow

Your urine can tell you a lot about your hydration levels. The darker it is, the more dehydrated you are. Healthy urine should be a pale straw colour.
Rule of Thumb: If your pee is dark, drink more water. If it’s clear, you might be overdoing it a bit – balance is key!

5. You Feel Dizzy or Lightheaded

Ever stood up quickly and felt a bit woozy? Low water intake can cause drops in blood pressure, making you feel dizzy or faint. This is because dehydration reduces blood volume , affecting circulation and oxygen flow to your brain.
If you frequently feel lightheaded, it’s worth checking if you’re drinking enough water throughout the day.
feeling dizzy

6. You’re Always Hungry – Even After Eating

Sometimes, what feels like hunger is actually thirst. Your body can confuse dehydration for hunger, leading to unnecessary snacking.
Fix It Fast: Before raiding the biscuit tin, have a glass of water first. You might find that your “hunger” disappears.

7. You Struggle with Constipation

Water plays a crucial role in digestion. Without enough of it, your body struggles to break down food properly, leading to constipation. If you’re not drinking enough water, your digestive system can slow down, causing bloating and discomfort.
Adding more water to your daily routine can keep things moving smoothly and prevent digestive issues.
abdominal pain

8. Your Breath Smells Bad

Bad breath isn’t just about brushing your teeth – dehydration can also be a major cause. When you don’t drink enough water, your mouth produces less saliva, which helps wash away bacteria. The result? A dry mouth and unpleasant breath.
Stay Fresh: Keep a water bottle handy and sip throughout the day to prevent dehydration-induced bad breath.

9. You Have Muscle Cramps

If your muscles cramp up unexpectedly, dehydration could be to blame. Water helps regulate muscle function and maintain electrolyte balance. Without enough fluids, your muscles can become tight and more prone to painful spasms.
Active Lifestyle? If you exercise regularly, it’s even more important to drink enough water to prevent cramping and aid muscle recovery.

10. Your Mood and Focus Are All Over the Place

Feeling irritable or struggling to concentrate? Your brain needs water to function properly. Even mild dehydration can affect your mood, memory, and ability to focus.
Brain Boost: Drinking enough water can improve cognitive function and help keep brain fog at bay.
smiley with bad mood changes to happy smiley

How Much Water Should You Be Drinking?

So, how much water do you actually need? While the NHS recommends 6–8 glasses a day , factors like exercise, weather, and individual needs can affect your ideal intake.

Ways to Stay Hydrated

  • Keep a reusable water bottle with you.
  • Set reminders on your phone to drink water.
  • Eat water-rich foods like cucumbers, watermelon, and oranges.
  • Drink herbal teas or diluted fruit juice if you struggle with plain water.

Final Thoughts

If you’ve recognized any of these signs in yourself, it might be time to increase your water intake. Dehydration affects everything from your energy levels to your skin and brain function. The good news? It’s an easy fix!
Making a conscious effort to drink more water can transform how you feel, inside and out. So grab that glass of H₂O – your body will thank you!

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Contaminants Detected in  Fruitland Water Special Service District
30
Contaminants
EXCEED EWG HEALTH GUIDELINES

30  Total Contaminants in Your Water

Water Provider

Fruitland Water Special Service District

Population Affected

120,000

Water Source

Ground water
Exceeds Guidelines

Others Detected

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