Eliquis (apixaban) is a prescription medication manufactured by Bristol-Myers Squibb that helps prevent blood clots and strokes. Although it is often referred to as a blood thinner, it belongs to a drug class called factor Xa inhibitors. It was FDA-approved in 2012 as a direct oral anticoagulation (DOAC), a category of medications that also includes Xarelto (rivaroxaban), edoxaban, and dabigatran. Edoxaban and dabigatran were previously marketed as their brand names (Lixiana and Pradaxa, respectively) until the trademarks expired.
Although very effective, Eliquis also carries risks associated with its use. By learning how the drug works, understanding what to look out for, and making a few lifestyle adjustments, many patients find they can continue using Eliquis without a significant disruption to their daily lives. By reviewing this article, you will be equipped with the knowledge to safely monitor the side effects of Eliquis with your doctor.
What is Eliquis Used For?
Approved Uses of Eliquis
Eliquis is FDA-approved for the following:
- To reduce the risk of stroke and systemic embolism in patients with nonvalvular atrial fibrillation
- For the prophylaxis of deep vein thrombosis (DVT) and pulmonary embolism (PE) in patients who have hip or knee replacement surgery
- For the treatment of DVT and PE, and for the reduction of risk of recurrent DVT and PE following initial therapy
It may also be used off-label to reduce the risk of stroke in atrial flutter (abnormal heart rhythm), heparin-induced thrombocytopenia (a severe reaction to heparin causing low platelet counts), and left ventricular thrombus (a blood clot in the heart’s left ventricle)
How Does it Work?
Hemostasis (preventing or stopping bleeding) is an extremely complex process that involves several pathways, cascades, and overlapping mechanisms that help your body to stop bleeding from an injured blood vessel. One of those pathways involves a substance called factor Xa, which circulates in the bloodstream and responds to injury. Factor Xa is responsible for converting prothrombin into thrombin, which in turn converts fibrinogen to fibrin. Fibrin is a protein involved in the act of clotting blood. By inhibiting factor Xa, Eliquis stops the downstream effects responsible for forming clots. Because of this, Eliquis and other drugs, such as Xarelto and edoxaban, are called factor Xa inhibitors.
Typical Dosage and Formulations
Eliquis dosing and duration of therapy depend on variables such as the indication (what it is being used for), what caused the DVT or PE, and patient factors such as the patient’s body weight, the serum creatinine, and the patient’s age. If the patient meets specific criteria based on weight, serum creatinine, and age, the dose of Eliquis is reduced.
Standard doses of Eliquis are 2.5-10 mg once or twice daily. Often, patients may take higher doses initially for 1 week for certain conditions, then will decrease to a lower dose thereafter. Patients on hemodialysis may take Eliquis less frequently, usually three times a week.
Duration of Eliquis therapy can vary as well, from as little as 3 months to an indefinite length, meaning someone may need Eliquis for the rest of their life to prevent complications.
Eliquis is only available as an immediate-release formulation and can be crushed to mix with applesauce, water, or apple juice, but should be administered immediately. Eliquis doses should be separated by at least 8 hours, usually morning and night, and can be taken with or without food.
Common Side Effects of Eliquis
Minor Bleeding: What’s Normal?
When starting any anticoagulant, or ‘blood thinner’, bleeding is the main concern, which can vary in severity. Minor episodes of bleeding can be normal, which include easy bruising, bleeding gums while brushing your teeth, and nosebleeds that stop quickly. Although these are considered common and are not urgent, it is important to update your doctor on which side effects you are experiencing so that they can safely monitor you while you are taking blood thinners, such as Eliquis
Other Common Side Effects You Might Notice
In addition to minor bruising and bleeding, patients may also experience side effects that are common:
- Fatigue or feeling weak (from minor blood loss).
- Nausea or mild stomach upset.
- Heavy menstrual bleeding
When to Call a Doctor About Side Effects
Before starting Eliquis, patients should familiarize themselves with the more urgent scenarios where it is recommended to contact their doctor immediately:
- Bleeding that won’t stop after 10–15 minutes.
- Blood in urine or stool.
- Coughing or vomiting blood.
Serious or Less Common Side Effects
More severe, serious signs of bleeding include a severe headache or dizziness, which may indicate a possible brain bleed. Black, tarry stools may be caused by bleeding in the gastrointestinal tract. Sudden, unexplained swelling or pain while taking Eliquis may be a sign of internal bleeding as well. All of these cases should be evaluated by a healthcare provider immediately. Other symptoms like coughing up blood or vomiting material that looks like coffee grounds could also signal serious bleeding and require urgent medical attention.
Rare but Severe Reactions
Although very rare, patients may develop severe allergic reactions, which usually present with symptoms such as rash, swelling, and trouble breathing.
Because Eliquis is mainly metabolized through enzymes in the liver, it is possible for patients to experience liver problems (yellowing of skin or eyes).
How Common Are These Serious Side Effects?
According to the National Library of Medicine, the risk of major bleeding is 3% or less and non-major bleeding is 2-4%. The following are risk factors that may increase the risk of bleeding:
- Older age
- Kidney disease
- Taking certain medications with Eliquis
- Active cancer
- Liver disease
Long-Term Side Effects of Eliquis
With long-term use of any anticoagulant, patients have a small risk of chronic blood loss leading to anemia. Your doctor should monitor blood levels periodically to confirm that hemoglobin levels remain within the normal range while taking Eliquis.
Individual cases have been reported of acute liver injury, but large studies do not demonstrate an increased risk. Your doctor may choose to monitor liver function tests.
How To Manage Risks Over Time
- Schedule regular check-ins
- Tell healthcare providers you’re taking Eliquis
- Monitor for signs of bleeding
- Stay consistent with dosing
- Limit activities that increase injury risk
- Review medications with your doctor regularly
- Practice fall prevention
- Carry a medical ID
- Avoid excessive alcohol consumption
- Avoid falls and monitor for subtle bleeding signs.
Side Effects of Eliquis in the Elderly
Older adults, often defined as 65 years or older, are more susceptible to medication side effects, especially Eliquis. As individuals age, kidney function naturally declines. Because Eliquis is partly eliminated by the kidneys, Eliquis drug concentrations can accumulate and increase the risk of bleeding. Additionally, older adults are more likely to fall, leading to acute injury and bleeding. This can be due to balance issues, vision problems, and generalized muscle weakness. Lastly, patients tend to take more medications as they age, increasing the chance of drug interactions.
Older adults who are taking Eliquis may need to start at a lower dose (2.5 mg twice daily) in some cases. Talk to your doctor about balance and safety within your home. Particularly for individuals older than 65 years old, it is recommended to assess kidney function, liver function, and blood levels regularly.
Side Effects of Stopping Eliquis
Stopping Eliquis suddenly can increase the risk of stroke or serious blood clots within days to weeks. Eliquis helps prevent clot formation, so discontinuing it without a plan can be dangerous, especially in patients with atrial fibrillation, deep vein thrombosis (DVT), or pulmonary embolism.
If you recently stopped Eliquis, monitor for warning signs such as:
- Chest pain
- Swelling or pain in the legs (which could indicate a blood clot)
- Sudden shortness of breath (which could signal a pulmonary embolism)
Seek medical attention immediately if any of these symptoms occur.
In most cases, tapering Eliquis is not necessary due to its short half-life (how long it lasts in the body). However, stopping should always be supervised by a healthcare provider. In certain cases, such as upcoming surgery, “bridging” therapy with another anticoagulant like heparin may be needed to reduce clotting risk during the interruption. Never stop Eliquis on your own without medical advice.
How to Manage or Minimize Side Effects
A few lifestyle adjustments may minimize some side effects of Eliquis, including:
- Using a soft-bristle toothbrush and electric razors to minimize bleeding
- Avoiding risky activities (contact sports, heavy lifting)
- Avoid certain medications and supplements (NSAIDs, ginkgo, or garlic) that can increase the risk of bleeding.
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Conclusion
Eliquis is highly effective at preventing blood clots and stroke but carries a risk of bleeding and other side effects. Recognizing early warning signs, attending regular check-ups, and communicating openly with your healthcare provider are key to using Eliquis safely.
Simple precautions, such as preventing falls, avoiding high-risk medications, and making small lifestyle adjustments, can significantly lower your risk of complications. Never stop Eliquis without medical advice, and always inform healthcare providers that you are taking a blood thinner. With close monitoring and a few safety strategies, many patients can continue Eliquis long-term with confidence and minimal disruption to their daily lives.
Frequently Asked Questions
