Usually not, and the reason sits in your gut instead of in the bag. Can Myers cocktail cause diarrhea when those same nutrients get swallowed? Yes, and magnesium is the usual culprit. An IV doesn't travel through your intestine, so that road is closed before it starts. What's left to check is which bag you booked, because ours don't all carry magnesium.
We list our sources at the bottom so you can check us.
That's the reasoning behind the question, and it isn't a silly one. Most people meet magnesium through a bottle off a shelf, or through milk of magnesia on a rough night, and they remember how the next morning went. Then they read that a Myers' cocktail carries magnesium and they brace for a repeat. What goes missing is where the trouble starts.
The NIH Office of Dietary Supplements keeps the professional fact sheet on the mineral, and it names the mechanism in a single clause: The diarrhea and laxative effects of magnesium salts are due to the osmotic activity of unabsorbed salts. Unabsorbed. Sitting in the intestine, pulling water in behind it. That is also what a magnesium laxative is for. Same effect, same reason.
The same sheet is direct about where the risk comes from: high doses of magnesium from dietary supplements or medications can cause diarrhea, nausea, and abdominal cramping. Supplements. Medications. Notice what it doesn't say. The upper limit printed on that page is drawn the same narrow way: The ULs only include magnesium from dietary supplements and medications; the magnesium in your dinner isn't in that number.
An infusion goes into a vein in your arm. Your stomach never sees it, your small intestine never sees it, and nothing waits around in your colon to be absorbed, because absorption isn't the step anymore. What loosens you up after a pill needs a gut to do it in. A bag never goes near yours. We won't stretch that into a promise about your particular body, and nobody honest would. We're saying the one route that causes this isn't the route a bag takes.
Vitamin C is the other one people worry about, and the NIH sheet on it lands in the same place. On how much your intestine will take, it says plainly that Higher doses of vitamin C have lower absorption than moderate doses, then gets specific: at doses above 1 gram (g)/day, absorption falls to less than 50%. So more than half of a big tablet stays in the gut that swallowed it. A bag dilutes vitamin C into fluids and runs it past all of that. If loose stools from vitamin C by itself are what brought you here, we gave that question its own page.
A general answer runs out right here, because a Myers' cocktail isn't one fixed product. Our Myers page describes the classic blend as three things: B vitamins, then magnesium, then vitamin C. It points you at three bags on our menu built around that family of nutrients. They aren't interchangeable. The magnesium is exactly where they split.
Energy and Hydrate, $199, is normal saline with B complex, vitamin C, taurine, plus methylcobalamin, the active form of B12. Read the list twice: magnesium isn't on it. Super Immunity runs $199 too, built from saline, then vitamin C and zinc, with B complex and glutathione. No magnesium there either. Migraine Cocktail is the one of those three that does carry magnesium, next to B12, with Zofran available as an add on. And Cellular Reset at $215 holds both of the nutrients this question is about, magnesium and vitamin C, in one bag.
So if a nurse brought you Energy and Hydrate last month and your stomach was fine, that tells you less than you'd think about the Migraine Cocktail. It runs the other way round too. Ask which bag. The full menu prints every ingredient at one flat price with no surprise fees, and the ingredient list is the part worth reading before you book anything. People ask us about what else might be riding along in a bag, which is why the caffeine question got a page too.
Being right about a mechanism is not the same as being right about you. MedlinePlus, from the same National Library of Medicine, keeps the plain patient page on magnesium in the diet, and it is calm about excess: The body generally removes extra amounts. Your kidneys do that work, which is why kidneys come up on our screening call before anyone opens a bag. That page also lists Taking laxatives that contain magnesium among the ordinary ways people end up with more magnesium than they meant to, worth remembering if one of those is already in your cabinet. A registered nurse hangs the bag and sits with it, and Dr. Canaday, DO signs off on every order first. Your kidney history, your prescriptions and anything your gut has been up to lately all belong on that call. If the answers say today is the wrong day, we'll tell you no.
Your nurse drives out to Tulsa, Broken Arrow, Owasso, Jenks, Bixby, Claremore and Collinsville, often on the day you ask. And if you'd rather leave magnesium out of it altogether, Simply Hydrate is $99 of fluids with nothing added.
This is reading, not medical advice. IV therapy isn't a substitute for medical care. What stands behind it is two NIH fact sheets, one government patient page and the ingredient lists we print ourselves, and not one of those has met you. Reduced kidney function, a pregnancy, a laxative or a diuretic already in your routine, loose stools that will not settle: each of those belongs with whoever keeps your medical chart. An emergency goes to 911, not to a nurse with a phone.
NIH Office of Dietary Supplements: Magnesium, the primary fact sheet for health professionals from a government health agency.
NIH Office of Dietary Supplements: Vitamin C, the same government health agency's primary fact sheet on vitamin C.
MedlinePlus: Magnesium in diet, the patient page from the National Library of Medicine, a government health agency.
Book a visit
Text us.
Right now, your first visit comes with a free B12 shot.
★★★★★ 50+ five-star reviews
Nurse owned · Physician backed
