What to do
- 1Recognize it — thirst, dark urine, urinating less, tiredness, dizziness, headache; in a child, no wet diapers for hours, no tears, cranky and low-energy.
- 2Get out of the heat and rest if it's heat- or activity-related.
- 3Drink fluids steadily — water for mild cases; for heavy sweating, vomiting, or diarrhea, a drink that replaces water, sugar, and electrolytes beats water alone. Sip, don't gulp.
- 4Recheck urine color — as it lightens toward pale, rehydration is working.
- 5Get medical care for severe dehydration — no energy, not responding, confusion, can't keep fluids down, or (in illness) long-lasting diarrhea, high fever, or bloody/black stool.
When to use it
- Hot-weather hikes, summer camp, and hard activity — the everyday cause for scouts.
- Stomach bugs on a trip (vomiting/diarrhea) — a big, fast fluid loss that's easy to underestimate.
- Urine color as a daily hydration check on the trail — the simplest self-monitoring tool there is.
Common mistakes & safety
- Don't wait for thirst. Thirst lags behind actual fluid loss — drink on a schedule in heat and hard activity, not just when you feel thirsty.
- Dehydration and heat illness travel together. A dehydrated scout is far more likely to slide into heat exhaustion or heatstroke.
- For big fluid losses, plain water isn't enough. You lose salt too — replace both, and for a child with vomiting or diarrhea use an oral rehydration solution.
- Severe dehydration is a medical emergency. Confusion, no energy, or not responding means get help now, not more water on the trail.
- Safe water matters. "Drink more" only helps if the water is safe — treat or purify backcountry water so you don't trade dehydration for illness.
- Sip, don't chug. Gulping large amounts, especially when nauseated, can trigger vomiting and lose more fluid.
Going deeper
- Urine color is the field hydration meter. Aim for pale straw; dark yellow or amber means drink more. (Some vitamins and foods tint urine, so it's a guide, not a lab test.)
- Salt as well as water. Long, hot, sweaty days call for electrolytes, not just water — and chugging only plain water on a huge sweat loss can, rarely, cause its own problem.
- Prevention is the whole game. Start hydrated, drink regularly, eat (food carries water and salt), and rest in shade.
Official source
Dehydration: symptoms & causes — Mayo Clinic →This is general health information, not a substitute for professional care. Severe dehydration needs medical treatment right away.