What’s the big deal? It’s just water
Why Your Massage Therapist Always Tells You to Drink Water (And Why You Should Actually Listen)
I don’t tell you to drink water so I can be bossy, there’s real reasons behind the advice. Let's break it down!
What Actually Happens to Your Body During a Massage?
Before we talk about water, it helps to understand what massage is actually doing beneath the surface.
When a massage therapist works on your muscles, they're applying pressure that manipulates soft tissue, which causes -
Increased blood flow to muscles and surrounding tissues
Stimulated lymphatic system, which is responsible for filtering waste and toxins from the body
Released stored metabolic byproducts like lactic acid that have built up in tight or overworked muscles
Activated the parasympathetic nervous system, shifting your body into rest-and-digest mode
All of these are exactly what we’re aiming for during your session, but it also means your body suddenly has a lot of work to do to process and flush out everything that just got stirred up.
So Why Does Water Matter?
1. Your Kidneys Need Help Doing Their Job
Massage mobilizes waste products that have been sitting in muscle tissue. These byproducts — including metabolic waste, cellular debris, and excess proteins — now need to move through the bloodstream and get filtered out by your kidneys. Water is the vehicle that makes this process efficient. Without adequate hydration, your body has a harder time clearing everything out, and you may feel sluggish, foggy, or even mildly achy the next day.
2. Your Lymphatic System Runs on Fluid
The lymphatic system doesn't have a pump the way your cardiovascular system does — it relies on body movement and fluid levels to keep things flowing. Massage gives it a significant boost, but that boost is only as effective as the fluid available to carry lymph through your system. Drinking water helps keep lymph moving and supports the detoxification process your therapist just helped kick-start.
3. Muscles Are Mostly Water
Healthy, pliable muscle tissue is approximately 75% water. When you're dehydrated, muscles become stiffer and more prone to soreness. After a massage — especially a deep tissue session — your muscles have been worked and stimulated. Hydrating well afterward helps them recover more quickly, stay flexible, and reduces the chance of post-massage soreness the next day.
4. Massage Can Be Slightly Dehydrating
This surprises a lot of people. The increased circulation and metabolic activity during a massage can actually cause mild fluid loss from tissues, similar (in a small way) to light exercise. If you came into your session already a little dehydrated — which many of us are without realizing it — the effects can be more noticeable. Drinking water before and after your session is the ideal approach.
5. Your Nervous System Just Did Something Big
Massage activates the parasympathetic nervous system, which governs rest, digestion, and recovery. This shift can cause some clients to feel lightheaded, spacey, or unusually tired after a session. We jokingly call it “massage drunk”. Staying hydrated supports stable blood pressure and helps your body transition back to normal activity more smoothly.
What Happens If You Don't Drink Water After a Massage?
You probably won't feel terrible — but you might notice:
Increased muscle soreness the day after, especially after deep tissue work
Headache or mild brain fog
Fatigue that lingers longer than expected
Feeling "off" or slightly nauseous
These are all signs that your body is working hard to process the metabolic changes from your session without enough fluid support.
How Much Water Should You Actually Drink?
There's no magic number, but a good rule of thumb is to drink at least 16–24 oz (two to three glasses) of water in the hours following your massage, in addition to your normal daily intake. If you had a longer or more intensive session, aim for more.
A few tips:
Start before your appointment — arriving well-hydrated makes the massage more effective and recovery easier
Skip the alcohol right after a session; it's dehydrating and counteracts the work your body is trying to do
Herbal tea or electrolyte water are great alternatives if plain water isn't your thing
Listen to your body — if you feel thirsty, that's already a sign you're mildly dehydrated
The Bottom Line
When your massage therapist tells you to drink water, they're not just being polite. They're giving you the final, essential step in your treatment. The massage does the work of releasing tension and mobilizing waste — hydration is what helps your body complete the process.
Think of it this way: your therapist spent an hour tuning up the engine. Drinking water is putting the right fuel in the tank before you drive away.
So next time, listen to your therapist. Drink ya wat-ah! Your body will thank you tomorrow.
Ready to book your next session? Click the top right corner for availability and keep feeling your best all summer.