Yes, apixaban can cause nausea, belly upset, and, at times, stomach pain that needs prompt medical care.
Eliquis is the brand name for apixaban, a blood thinner used to lower the risk of clots and stroke. Plenty of people take it with no stomach trouble at all. Still, some people notice nausea, indigestion, belly pain, or bowel changes after they start it.
The tricky part is this: mild stomach upset can happen with Eliquis, but stomach symptoms can also be an early warning that bleeding is happening in the gut. That is why it helps to sort mild, annoying symptoms from red-flag symptoms fast.
Does Eliquis Cause Stomach Problems? What Usually Shows Up
Yes, it can. Stomach problems linked with Eliquis are usually mild at first. On the patient page for apixaban side effects, nausea is listed as a known side effect. In day-to-day use, people may also report an upset stomach, belly discomfort, or loose stools.
That does not mean every stomach symptom comes from the medicine. A stomach bug, reflux, spicy food, iron tablets, antibiotics, and pain relievers can all muddy the picture. The timing helps. If symptoms started soon after Eliquis was started, a dose was raised, or another medicine was added, Eliquis moves higher on the list.
Mild stomach symptoms people may notice
- Nausea
- Indigestion or a sour stomach
- Mild upper belly discomfort
- Loose stools
- Less appetite for a few days
These can pass as the body settles. Still, if they keep going, get worse, or start to affect eating and drinking, it is smart to call the prescriber. Blood thinners are not the kind of medicine you should adjust on your own.
Why Eliquis Can Upset The Stomach
Some stomach symptoms are a plain medication side effect. Others happen because blood thinners make bleeding easier, including bleeding in the stomach or intestines. That is the part that makes this question more than a minor nuisance.
A little nausea after a dose is one thing. Sharp pain, vomiting, black stools, or blood are a different story. Those symptoms can point to bleeding, not simple stomach irritation.
What can raise the odds of stomach trouble
- Taking Eliquis with food that does not sit well for you
- Using NSAID pain relievers such as ibuprofen or naproxen
- Taking aspirin unless your clinician told you to
- Past ulcers, gastritis, or gut bleeding
- Heavy alcohol use
- Older age or kidney trouble
The official U.S. prescribing information for ELIQUIS on DailyMed warns that the drug can make bleeding last longer and that stopping it without medical advice can raise clot risk. So if your stomach feels off, the safest move is not to skip doses on your own.
Symptoms That Are Annoying Vs Symptoms That Are Urgent
This is the split that matters most. Mild nausea after a dose may not call for the ER. Gut bleeding does.
| Symptom | What It May Mean | What To Do |
|---|---|---|
| Mild nausea | Common stomach upset | Keep taking Eliquis and call your prescriber if it keeps going |
| Heartburn or indigestion | Stomach irritation or reflux | Track timing, meals, and other medicines |
| Mild belly discomfort | Could be a side effect, food issue, or another cause | Watch closely if new after starting Eliquis |
| Vomiting | Can be a drug side effect or a warning sign | Call a clinician the same day |
| Black, tarry stools | Possible bleeding in the stomach or bowel | Get urgent medical care |
| Vomiting blood or coffee-ground material | Possible upper gut bleeding | Get urgent medical care now |
| Sharp or severe stomach pain | Possible bleeding, ulcer, or another acute problem | Seek urgent medical care |
| Dizziness, faint feeling, weakness with stomach symptoms | Possible blood loss | Get urgent care right away |
When Stomach Pain May Mean Bleeding
Bleeding is the best-known side effect of blood thinners. The MedlinePlus page on blood thinners notes that these medicines can cause an upset stomach, nausea, and diarrhea, and it also warns people to get help for signs of serious bleeding.
With Eliquis, stomach pain turns into a bigger concern when it comes with black stool, red stool, vomiting, faintness, unusual weakness, or shortness of breath. Those extra clues matter. They push the picture away from simple nausea and toward blood loss or another acute issue.
If that is happening, do not wait to “see if it passes.” Get urgent medical care. Bring your medication list or a photo of the bottle if you can.
What To Do If Eliquis Is Upsetting Your Stomach
If symptoms are mild, there are a few sensible steps that can make the next move clearer.
- Track the timing. Write down when the dose is taken and when the symptom starts.
- Check what else changed. New pain relievers, antibiotics, supplements, or alcohol can make stomach trouble more likely.
- Take it the same way each day. A steady routine makes patterns easier to spot.
- Call the prescriber if symptoms stay around. Ongoing nausea, poor appetite, or belly pain should be reviewed.
- Do not stop Eliquis on your own. Missing doses can raise the risk of stroke or another clot.
Some people also want to know if taking Eliquis with food helps. For many, that is reasonable and may ease queasiness, though you should still follow the instructions given with your own prescription.
| Situation | Call Soon | Get Urgent Care |
|---|---|---|
| Mild nausea for a day or two | Yes, if it keeps going | No |
| Loose stools without blood | Yes, if it does not settle | No |
| Persistent stomach pain | Yes | Yes, if severe |
| Vomiting | Yes | Yes, if blood is present or you feel faint |
| Black stools or vomiting blood | No | Yes, now |
| Weakness, dizziness, pale skin with belly symptoms | No | Yes, now |
Medicines And Habits That Can Make It Worse
The biggest stomach trap with Eliquis is stacking it with things that also raise bleeding risk. NSAIDs are the classic problem. So are aspirin, some supplements, and heavy drinking. Even over-the-counter choices can matter.
If you need pain relief, ask your prescriber or pharmacist which option fits your case. Do not guess. A pain reliever that seems harmless can shift bleeding risk more than you expect.
Be extra careful with
- Ibuprofen and naproxen
- Aspirin not ordered by your clinician
- Other blood thinners
- New herbal products or supplements
- Heavy alcohol intake
When To Call Your Doctor About Eliquis Stomach Problems
Call if nausea, indigestion, or belly pain does not ease after a few days, keeps coming back, or makes it hard to eat or drink. Also call if you notice bruising, nosebleeds, gum bleeding, or unusual tiredness along with stomach symptoms.
Get urgent care right away for black stools, bright red blood from the rectum, vomiting blood, severe stomach pain, fainting, chest pain, or trouble breathing. Those symptoms should not be brushed off as “just an upset stomach.”
Eliquis can cause stomach problems, but the main question is not just whether it can happen. It is whether the symptom is mild and manageable or a sign that bleeding may be starting. That is the part worth taking seriously.
References & Sources
- NHS.“Apixaban.”Lists nausea as a known side effect and gives patient-facing safety advice for apixaban.
- DailyMed.“ELIQUIS- apixaban tablet, film coated.”Provides the official U.S. labeling, including bleeding warnings and advice not to stop Eliquis without medical guidance.
- MedlinePlus.“Blood Thinners | Anticoagulants.”Explains that blood thinners can cause upset stomach, nausea, and diarrhea, and outlines warning signs of serious bleeding.