Can Eliquis Cause Blood In Stool? | Red Flags And What To Do

Seeing blood in your stool while you’re taking Eliquis can be scary. It may be a small smear from a hemorrhoid, or it may point to bleeding deeper in the digestive tract. Here’s the catch: Eliquis can turn a slow ooze into something you can see. Since Eliquis slows clotting, bleeding can show up sooner and last longer, so this symptom needs prompt medical attention.

If you have black, tar-like stool; large amounts of red blood; fainting; chest pain; fast heartbeat; shortness of breath; or vomiting blood, treat it as an emergency and get urgent medical care right away.

This page walks you through what blood in stool can look like, what can raise the odds while on a blood thinner, what to do today, and what details to share so a clinician can act fast. This is general information and can’t replace care from your own clinician.

What Eliquis Does And Why Bleeding Can Happen

Eliquis (apixaban) is an anticoagulant used to prevent or treat blood clots. It blocks factor Xa, which slows the clotting process. That helps prevent strokes and clots, yet it also means bleeding can last longer once it starts.

Drug labeling for apixaban warns about bleeding and lists stool changes that can signal a serious bleed, including red or black stools that look like tar. If you’re seeing that kind of change, you’re not overreacting by getting checked.

Why The Gut Is A Common Site

The digestive tract has a lot of blood flow and constant friction from digestion. Small injuries that might have sealed off on their own can keep bleeding when clotting is slowed.

Bleeding close to the anus or rectum often looks bright red. Bleeding higher up can turn the stool dark, sticky, and black.

What Can Raise Bleeding Risk While On Eliquis

A few patterns show up often when clinicians sort out bleeding on apixaban:

• Prior ulcers or past GI bleeding. Old problem areas can bleed again.
• Kidney or liver disease. Drug levels can rise if clearance drops.
• Other meds that affect bleeding. NSAIDs, aspirin, and antiplatelet drugs can stack risk.
• Recent surgery, injury, or falls. Any internal injury is harder to seal off.

Blood In Stool While Taking Eliquis: What It Can Mean

Blood in stool is a symptom, not a diagnosis. The goal is to figure out the source and the volume of blood loss. Stool color and texture can hint at location, yet you still can’t pinpoint the cause at home.

Color And Texture Clues

• Bright red blood on paper or on the stool surface often comes from hemorrhoids or fissures.
• Maroon or dark red stool can come from bleeding higher in the colon or small intestine.
• Black, tar-like stool (melena) can signal bleeding in the stomach or upper small intestine.
• Blood plus clots suggests heavier bleeding.

Body Signs That Raise Urgency

Pay attention to how you feel, not only what you see. If blood loss is enough to strain the body, symptoms can show up fast.

• Lightheadedness or fainting
• Weakness, fast heartbeat, or shortness of breath
• New belly pain
• Vomiting blood or material that looks like coffee grounds

Can Eliquis Cause Blood In Stool?

Yes. Eliquis can lead to blood in stool because it slows clotting, so bleeding from the stomach, intestines, rectum, or anus is more likely to show up and may last longer. Straight talk: any new bleeding on an anticoagulant deserves a call. Often the medication isn’t the original source; it’s the reason a small bleed becomes obvious.

The official labeling lists red or black stools that look like tar as a warning sign that needs medical attention. You can read that wording in the ELIQUIS U.S. Prescribing Information.

Patient guidance for apixaban also lists red or black, tarry stools as a bleeding sign. You can see that on MedlinePlus Drug Information For Apixaban.

Reasons Blood May Show Up While On A Blood Thinner

Some causes are minor, yet you still need medical advice when you’re anticoagulated.

• Hemorrhoids or fissures (often bright red and linked to straining)
• Diverticular bleeding (can be brisk and painless)
• Ulcers in the stomach or duodenum (can cause black stool)
• Inflammation (colitis, IBD, infection)
• Polyps or cancer (can cause slow bleeding and anemia)

When To Get Emergency Care

If bleeding is heavy, keeps coming back, or comes with fainting, confusion, severe weakness, or black stool, get emergency care. If you’re unsure, getting checked is the safer call.

If you want a plain-language overview of how GI bleeding can show up (small streaks, dark tarry stool, larger amounts of blood), MedlinePlus breaks it down on its page about gastrointestinal bleeding.

What To Do When You See Blood In Stool On Eliquis

Take a breath. Then treat it like a checklist. Your goal is quick triage and clear communication, without making the bleeding worse.

Step 1: Check The Pattern

Note the color (bright red, maroon, black), the amount, and whether it’s on the paper, on the stool surface, or mixed in.

Step 2: Check For Other Bleeding

Think about nosebleeds that won’t stop, gum bleeding, new bruises, pink or red urine, or vomiting that looks like coffee grounds.

Step 3: Contact Care Today

Black, tar-like stool or heavy red bleeding needs emergency care. Smaller bleeding with no other symptoms still warrants a same-day call to your prescriber.

The UK’s NHS lists blood in poo as a serious side effect of apixaban and advises urgent medical help for heavy bleeding. See the NHS Guide To Apixaban for the warning signs.

Step 4: Don’t Stop Eliquis On Your Own

Stopping Eliquis suddenly can raise clot risk, including stroke risk in people who take it for atrial fibrillation. A clinician may pause it, change the dose, switch meds, or treat the bleeding source. Your role at home is to get assessed, not to guess.

What Not To Do While Bleeding Is Being Checked

These common missteps can raise bleeding risk or muddy the picture for your clinician.

• Don’t take NSAIDs like ibuprofen or naproxen unless cleared by your prescriber.
• Don’t add aspirin unless it’s part of your plan.
• Don’t double-dose because you’re anxious about clotting.
• Don’t start herbal products that affect bleeding without checking first.
• Don’t ignore constipation and straining, which can keep a fissure or hemorrhoid bleeding.

How Clinicians Find The Source And Treat It

Once you report bleeding, clinicians work on two tracks: stabilize you, then locate the source.

History, Exam, And Labs

You’ll be asked when it started, what the stool looked like, how often it’s happening, and what other symptoms you have. Blood tests often check hemoglobin and kidney function, since both affect dosing and next steps.

Scopes And Imaging

Black stool often leads to an upper endoscopy to check the esophagus, stomach, and duodenum. Red blood mixed with stool may lead to colon testing once you’re stable. In fast bleeding, CT imaging can help pinpoint a source.

Medication Decisions

Depending on bleeding severity and why you take Eliquis, a clinician may hold doses, adjust the dose, treat an ulcer, treat hemorrhoids, or plan a short-term switch. In life-threatening bleeding, hospitals may use reversal strategies and blood products.

Questions To Ask At Your Appointment

A few direct questions can help you leave with a clear plan.

• What do you think the bleeding source is, and what tests are needed to confirm it?
• Should I take my next dose at the usual time, or hold it until I’m seen?
• Are any of my other meds raising bleeding risk, and can we swap them?
• If this happens again, what exact signs mean emergency care?
• Do I need iron testing or follow-up blood counts after this settles?

Call Checklist Before You Speak With A Clinician

Having these details ready can speed triage.

• Your Eliquis dose, schedule, and the time of your last dose
• Why you take it (atrial fibrillation, DVT/PE treatment, post-surgery clot prevention)
• What the stool looked like and how many times it happened
• Any dizziness, fainting, belly pain, fever, vomiting, or shortness of breath
• All other meds and over-the-counter products taken in the last week
• Past GI problems (ulcers, diverticulosis, polyps) and any prior bleeding events

Blood in stool while on Eliquis is not something to brush off. Get checked, share clear details, and let your care team balance bleeding risk with clot prevention.

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