
Most of us don't drink enough water — and if you're dealing with back pain, that gap might be adding to the problem. Water makes up roughly two-thirds of your body, and it plays a role in nearly every process inside it, including the health of your spine.
Why hydration matters for your spine
Between each vertebra sits a disc, and those discs are made up largely of water. During the day, as you sit, stand, and move, the discs slowly lose fluid under the pressure of gravity and activity. At night, while you're lying down, they rehydrate — but only if your body has enough water to work with.
When you're not drinking enough, your discs don't get the chance to fully rehydrate overnight. Over time, that can leave them less able to cushion and support your spine, contributing to pain, swelling, and stiffness that lingers longer than it should.
Signs you might not be drinking enough
Thirst is the obvious signal, but plenty of less obvious ones show up first: feeling tired, dizziness, dry skin and lips, headaches, constipation, and even mood swings can all point to mild dehydration — and so can joint pain. One of the most reliable checks is your urine color: if it's dark rather than a light, pale yellow, it's a sign to get more water into your system.
What tends to improve once you drink more
Increasing your water intake for a couple of weeks tends to bring noticeable changes: less soreness in the back, more alertness, and better sleep. Many people also notice clearer skin and less dependence on coffee to get through an afternoon slump, simply because they're not running low on fluids to begin with.
Simple ways to increase your intake
A glass of water first thing in the morning is one of the easiest habits to build — set one on your nightstand the night before, and it's the first thing you see when you wake up. If plain water gets boring, try varying it with still or sparkling water, or add lemon, cucumber, or other fruit to keep things interesting.
When to see a physical therapist
Drinking more water is a simple habit that can support your spine, but it isn't a substitute for finding out what's actually causing ongoing back pain. If your back pain doesn't ease up with basic changes like this, a physical therapist can evaluate what's really going on and build a plan to address it. Our team at Empower Physical Therapy & Wellness sees patients across Chino Hills, Chino, and Pomona working through exactly this kind of back pain.


