Eliquis

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Eliquis

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Eliquis

Quick Facts

Property Description
Active ingredient Apixaban (INN)
Form Film-coated tablets
Pharmacological class Direct Factor Xa Inhibitor, DOAC
General purpose Reduces the risk of blood clot formation
Origin Synthetic, Pyrazole derivative

What Kind of Medicine is Eliquis (Apixaban)?

Eliquis is a prescription medicinal product whose active substance is Apixaban, a synthetic compound classified as a direct oral anticoagulant (DOAC), placing it in the specific pharmacological class of Factor Xa inhibitors. This classification is clinically recognized for providing a modern, targeted approach to anticoagulation, unlike older, less selective therapies.

The medication is a single-ingredient product, presented as a film-coated tablet designed for simple oral administration. The synthetic origin of Apixaban ensures purity and chemical precision, establishing its predictable therapeutic activity. The drug's predictable properties mean it is a suitable option for long-term management of coagulation risk.

General Purpose: Targeted Reduction of Clot Formation Risk

The fundamental purpose of Eliquis is to mitigate the risk associated with the formation of harmful blood clots. It achieves this by working as a highly selective inhibitor within the blood's clotting system.

The core mechanism focuses on directly and reversibly blocking Factor Xa, which is a key enzyme in the final steps of the coagulation cascade. Blocking this enzyme prevents the formation of thrombin, which is necessary for creating a stable clot structure. This specific, targeted action provides a foundational anti-thrombotic effect, helping to ensure continuous and smooth blood flow in the vascular system.

Regulatory References

  1. Apixaban - StatPearls - NCBI Bookshelf

What side effects are possible with Eliquis?

Possible Side Effects and Safety Information

The safety profile for Eliquis (apixaban) is primarily defined by the risk of hemorrhage (bleeding), which is consistent with its function as an anticoagulant. Regulatory agencies classify adverse reactions by how often they occur, ranging from Very Common to Uncommon.

Officially Documented Adverse Reactions

Frequency Category System Organ Class Documented Adverse Reactions
Very Common Blood and lymphatic system disorders Hemorrhage (major and non-major bleeding)
Common Blood and lymphatic system disorders, Gastrointestinal disorders Anemia, Hematoma, Nausea, Epistaxis, Gastrointestinal hemorrhage
Uncommon Immune system disorders, Hepato-biliary disorders Hypersensitivity reactions, Abnormal liver function test results, Hypotension

Serious Safety Events and Restrictions

Official regulatory documentation identifies a risk of serious adverse reactions, including Major Hemorrhage (such as Intracranial or severe Gastrointestinal bleeding). A specific warning exists for the risk of Spinal/Epidural Hematoma when the medicine is used in patients undergoing neuraxial procedures like spinal puncture.

Safety constraints prohibit the initiation of Eliquis in patients who have clinically significant active bleeding. Furthermore, the medicine is not recommended or is contraindicated for individuals with severe hepatic (liver) impairment due to the increased risk of bleeding.

Overdose and Emergency Response

Overdose of Eliquis (apixaban)

An overdose of Eliquis increases the pharmacological effect of the medication, which is an elevated risk of bleeding (hemorrhage). This bleeding can occur anywhere in the body, may be serious, and is potentially fatal. The risk is magnified by the dose ingested.

When to Seek Immediate Medical Help

Call your healthcare provider or get emergency medical help right away if you experience any of the following signs or symptoms of bleeding, which may indicate an overdose or excessive anticoagulation:

  • Bleeding that is severe or cannot be controlled, such as frequent or prolonged nosebleeds.
  • Red, pink, or brown urine.
  • Red or black stools that look like tar.
  • Coughing up or vomiting blood or vomit that looks like coffee grounds.
  • Unexpected pain, swelling, or joint pain.
  • Severe headaches, dizziness, or unusual weakness.
  • Signs of neurological changes or impairment, which require urgent evaluation.

Emergency Response

If an overdose or life-threatening bleeding occurs, emergency response involves evaluating the degree of blood loss immediately. In these critical situations, an agent specifically designed to reverse the anti-Factor Xa activity of apixaban is available and may be administered by a healthcare professional. Additionally, administration of activated charcoal may be considered if ingestion was recent (within a few hours) to reduce drug absorption.

Therapeutic Uses of Eliquis

What Eliquis Treats: Main Uses and Benefits

The primary therapeutic use of Eliquis (apixaban) is the management of risks associated with pathological blood clot formation across critical clinical domains. These applications are centered on specific therapeutic domains.

This medication is commonly applied to manage stroke risk in adults with Nonvalvular Atrial Fibrillation; it is relevant for easing the acute and recurrent manifestations of Deep Vein Thrombosis (DVT) in the limbs and Pulmonary Embolism (PE) in the lungs; and it is relevant on a short-term, supportive basis for patients who have undergone major elective orthopedic surgery, such as hip or knee replacement. The therapeutic benefit plays a role in managing the risk of these episodes and helps ease the overall symptom burden.

“The application of this therapy is relevant when supportive symptom management is appropriate and may assist with managing symptoms that interfere with daily functioning.”


Quick Fact: Focus on Blood Clot Risk Management

Property Description
Symptom Domain Risk mitigation of severe symptomatic events (e.g., stroke, PE)
Key Benefit Supports the patient during difficult episodes by easing distress and managing risk
Acute Use Context Applied in addressing acute, disruptive manifestations of DVT/PE
Chronic Use Context Commonly used for managing stroke risk in NVAF

Regulatory References

  1. European Medicines Agency (EMA) therapeutic overview

Eligibility and Restrictions for Use

Who can and cannot use Eliquis?

Eligibility for Eliquis (apixaban) is strictly defined by regulatory guidance from authorities like the FDA and EMA, focusing primarily on patient risk factors and specific medical conditions.

Populations Approved for Use: The medicine is approved for use in adult patients (18 years and older) and, under specific conditions, pediatric patients (from birth and older) for the treatment and reduction of recurrent venous thromboembolism (VTE).

Absolute Contraindications (Must Not Use): Eliquis is formally contraindicated in patients with active pathological bleeding or a history of severe hypersensitivity reactions to the drug. It is also prohibited for patients with hepatic disease associated with coagulopathy and clinically relevant bleeding risk.

Use Not Recommended or Restricted: Use is not recommended for women who are pregnant or breastfeeding. It is also not recommended for patients with severe hepatic impairment or those with prosthetic heart valves due to insufficient data on safety and efficacy. Use should be avoided in patients with Triple Positive Antiphospholipid Syndrome (APS). Patients with severe renal impairment (creatinine clearance < 15 mL/min) or those undergoing dialysis are not recommended for most indications.

What should I know about interactions with other medicines?

Eliquis Interactions with other medicines and products

Official regulatory documents define two primary types of clinically significant interactions with apixaban (Eliquis): pharmacokinetic (PK) interactions involving drug metabolism and transport, and pharmacodynamic (PD) interactions affecting bleeding risk.

Pharmacokinetic (PK) Interactions

Apixaban is a substrate of the enzyme CYP3A4/5 and the transporter P-glycoprotein (P-gp). Drugs that strongly affect both pathways modify apixaban blood levels (exposure):

Classification Examples Listed Regulatory Requirement
Strong Dual Inhibitors Ketoconazole, Ritonavir Requires dose adjustment or avoidance based on initial apixaban dose.
Strong Dual Inducers Rifampin, St. John’s Wort Concomitant use should be avoided due to reduced apixaban levels.

Pharmacodynamic (PD) Interactions

Coadministration with other agents that affect blood clotting or hemostasis increases the potential risk of bleeding. This applies to antiplatelet agents (like aspirin) and Nonsteroidal Anti-Inflammatory Drugs (NSAIDs), as well as other anticoagulants, SSRIs, and SNRIs. Caution and monitoring are necessary when these combinations are used.

Procedural Constraints

Official labeling requires the temporary interruption of apixaban prior to elective surgery or invasive procedures. The product should be discontinued 48 hours before procedures with moderate or high bleeding risk, and 24 hours before procedures with low bleeding risk.

Mechanism of Action

Targeted Blockade of Activated Factor X (FXa)

Eliquis (apixaban) functions by direct, selective, and reversible inhibition of Factor Xa (FXa), a critical enzyme in the blood's coagulation cascade. This action immediately stops FXa from participating in the prothrombinase complex, engaging a mechanism that modulates the activity of a central coagulation enzyme.


Disruption of the Thrombin-Fibrin Cascade

By blocking FXa, the drug modifies an early molecular step, leading to a profound suppression of thrombin generation. Since thrombin is the required catalyst for creating the structural fibrin mesh, this cascade disruption results in the inhibition of fibrin clot structure development. The resulting physiological effect is a reduction in the functional capacity of the pathway to generate stable fibrin.

Dosage and Administration Information

The administration of Apixaban is guided by a structured, twice-daily schedule and specific dose ranges. The medicine is taken orally in the form of 2.5 mg or 5 mg film-coated tablets and can be taken with or without food.

For most adult patients, the standard regimen for the prevention of stroke in Nonvalvular Atrial Fibrillation (NVAF) is 5 mg twice daily. A reduced dose of 2.5 mg twice daily is applied for patients with NVAF who meet at least two of the following characteristics: age 80 years or older, body weight 60 kg or less, or a serum creatinine level of 1.5 mg/dL or greater.

Dosing for the treatment of acute deep vein thrombosis (DVT) or pulmonary embolism (PE) begins with a loading phase of 10 mg twice daily for the first seven days. This is followed by a maintenance dose of 5 mg twice daily. After at least six months of treatment, the regimen for preventing recurrent DVT or PE is 2.5 mg twice daily. For prophylaxis after hip or knee replacement surgery, the dose is 2.5 mg twice daily, typically initiated 12 to 24 hours after the procedure.

If a dose is missed, it should be taken immediately on the same day, but the dose should not be doubled to compensate for the missed intake. In cases where the tablet cannot be swallowed whole, it may be crushed and mixed with water, apple juice, or applesauce for immediate oral administration, or delivered via a nasogastric (NG) tube.

Recent Clinical Evidence

Research evidence / Overview of studies for Eliquis

Evidence for Stroke Prevention in Nonvalvular Atrial Fibrillation

Research has explored apixaban's use in studies evaluating the risk of stroke and systemic embolism in adults with nonvalvular atrial fibrillation (NVAF), a condition characterized by fluctuating or episodic heart rhythm disturbances. This area was primarily studied through large-scale, international Randomized Controlled Trials (RCTs). These studies were important because they carefully made comparisons with the Vitamin K Antagonist, warfarin, to track and measure the incidence of specified clinical endpoints. The main outcomes that researchers monitored were the occurrence of stroke, systemic embolism (blood clots elsewhere in the body), and the measured incidence of bleeding events.

Studies monitored how outcomes related to systemic or functional imbalance were tracked over defined time intervals, typically about one to two years. The findings describe patterns observed in these studied populations, which included a representative group of adults with NVAF. It is important to note that evidence is limited for certain groups, such as patients with severe renal impairment or those who have mechanical heart valves, as most major studies did not include these specific populations.


Evidence for Treating and Preventing Venous Thromboembolism (VTE)

Apixaban research focused on acute Deep Vein Thrombosis (DVT) in the limbs and Pulmonary Embolism (PE) in the lungs—conditions associated with acute or disruptive episodes of blood clotting. Research examined these contexts using large Phase 3 RCTs structured to compare apixaban against the designated study comparator (initial injection followed by warfarin tablets). Following the initial treatment phase, apixaban was evaluated in specific RCTs for the extended evaluation of VTE outcomes.

A key feature of the acute VTE treatment studies is that the main research was structured as a non-inferiority comparison, meaning the studies were designed to assess if outcomes were comparable to the existing conventional therapy. Additionally, comparative evidence is lacking or insufficient for patient groups with severe and uncontrolled liver disease, as these patients are often challenging to study in large clinical trials. Research was also evaluated for patients with VTE who also had active cancer in dedicated studies.

Frequently Asked Questions (FAQ)

Common questions about Eliquis (FAQ)

Q: Do I need regular blood tests while taking Eliquis?

According to official product information, routine coagulation monitoring, such as regular INR blood tests, is generally not required for those taking Eliquis. However, your healthcare provider may check your blood cell counts, kidney function, and liver function periodically. These tests may be utilized as part of the overall health assessment before initiating and periodically during treatment.

Q: Are there any foods or drinks I need to avoid while on Eliquis?

Regulatory documents state that Eliquis is not generally affected by Vitamin K intake, unlike some other anticoagulants, and can be taken with or without food. However, official information indicates that caution is appropriate regarding grapefruit juice, as it may increase the drug level in your body. Furthermore, regulatory documents note that moderation or limitation is generally described for alcohol consumption due to the increased bleeding risk.

Q: What happens if I suddenly stop taking Eliquis?

Official safety warnings caution that discontinuing Eliquis suddenly and without the guidance of a healthcare provider increases the risk of serious blood clot-related events, such as a stroke. If the drug is stopped, your risk of a blood clot returning is increased, unless an appropriate alternative medication is immediately started. Official information stresses the importance of only discontinuing treatment under medical supervision.

Q: Is there an antidote or reversal agent for Eliquis?

Regulatory agencies have approved a specific agent, andexanet alfa, that can be used to reverse the blood-thinning effects of apixaban (the active ingredient in Eliquis). This reversal agent is used when a patient experiences life-threatening or uncontrolled bleeding. The existence of this agent is described as a treatment option for managing severe bleeding events or certain emergency procedures.

Q: What are the main risks associated with taking Eliquis?

As an anticoagulant, the main risk associated with Eliquis is bleeding (hemorrhage), which can be minor or serious. Official safety information also includes a specific warning about the risk of a spinal or epidural hematoma—a collection of blood near the spinal cord—if a patient undergoes a procedure like a spinal tap or epidural injection while on the drug. These warnings relate to careful risk assessment and monitoring, as described in regulatory documents.

Q: Can Eliquis cause easy bruising or bleeding gums?

According to the official list of adverse reactions, common side effects include increased bleeding, which patients may notice as easy bruising (hematoma) or blood collection under the skin. Other common signs of the drug's effect are bleeding gums, nosebleeds (epistaxis), or prolonged bleeding from minor cuts. These effects are recognized in the product's safety profile as consistent with its role as an anticoagulant.

Q: Is it normal to feel tired when first starting Eliquis?

Official product information lists anemia, or a low red blood cell count, as a common adverse reaction, which can contribute to a feeling of fatigue. Some regulatory sources also report dizziness and unusual tiredness as possible, though less frequent, side effects. If these reactions are severe or persistent, regulatory guidance suggests seeking consultation with a healthcare provider.

Q: Can I take vitamins or supplements with Eliquis?

Official interaction data indicates that certain supplements, such as the herbal remedy St. John’s Wort, can significantly interfere with how the body metabolizes Eliquis. Regulatory information suggests consulting a healthcare provider before combining supplements, as many lack formal interaction data. Regulatory safety practices emphasize informing a healthcare provider about all substances being taken.

Q: Are there any long-term side effects of taking Eliquis for several years?

Studies and official information indicate that the known adverse effects, particularly the risk of bleeding and anemia, remain the primary concerns during long-term use. Other adverse reactions reported over extended clinical trials, such as difficulty sleeping (insomnia), are also tracked. These risks are described in the drug's safety profile regardless of the duration of therapy.

Q: Is Eliquis safe for people who have had stomach ulcers in the past?

According to regulatory guidelines, Eliquis is contraindicated—meaning it must not be used—in patients with current or recent gastrointestinal ulceration. This restriction is in place because these conditions are considered a significant risk factor for major bleeding. Regulatory guidance requires a healthcare provider to assess a patient’s bleeding risk history before initiating this medication.

Q: Will Eliquis affect my blood pressure?

Official safety documents list hypotension, or abnormally low blood pressure, as an uncommon adverse reaction associated with Eliquis. The drug's mechanism does not primarily target blood pressure, but low blood pressure can occur as a side effect. Regulatory guidance suggests that any noticeable symptoms be reviewed with a healthcare professional.

Q: Can Eliquis be used during pregnancy or while breastfeeding?

Regulatory documents state that use of Eliquis is not recommended for pregnant women. Furthermore, the drug is contraindicated, meaning strictly prohibited, while breastfeeding, because it is not known whether the active ingredient passes into human milk. These restrictions are based on safety concerns for the child and a lack of sufficient data.

Q: What are the most common reasons someone might be told not to use Eliquis?

Official regulatory documents define several key patient groups for whom the medication is restricted or contraindicated. The most significant reasons are the presence of active pathological bleeding or a history of severe allergic reactions to the drug. Other major restrictions relate to certain stages of severe kidney impairment and specific types of severe liver disease that affect clotting.

Q: Is there a generic version of Eliquis available?

According to regulatory approval information, the active ingredient in Eliquis, apixaban, has received generic approvals in some regions. However, the commercial launch of generic versions is currently constrained by patent and exclusivity rights. Therefore, in many markets, the brand-name product remains the only version available.

Q: Does Eliquis need to be taken at the exact same time every day?

Official administration guidance specifies that Eliquis should be taken twice daily. Taking the doses at approximately 12-hour intervals helps to maintain consistent therapeutic levels of the drug in the blood. Maintaining a routine is described as a measure to support consistent therapeutic drug levels.

Q: What recent research has been done on the long-term use of Eliquis?

The clinical evidence reviewed by regulatory bodies includes studies focused on long-term safety and effectiveness. This includes follow-up data from major studies like the ARISTOTLE trial concerning stroke prevention in atrial fibrillation. Dedicated research was also conducted for the extended evaluation of the drug’s role in preventing recurrent venous blood clots (VTE).

Q: Can Eliquis cause changes in mood or sleep?

Official adverse reaction reports list several effects related to sleep and mood. Insomnia (difficulty sleeping) is reported as a common side effect. Furthermore, changes in mood, specifically anxiety and depression, are listed in the official safety profile as uncommon adverse reactions.

Q: What does the patient information leaflet say about alcohol consumption with Eliquis?

According to the official patient information leaflet and regulatory warnings, regulatory warnings note that alcohol consumption is generally recommended to be limited or avoided while taking Eliquis. The reason for this caution is that alcohol may increase the risk of bleeding, which is already a known side effect of the anticoagulant.

Q: What are the key findings from major studies on Eliquis?

The key findings reviewed by regulatory bodies indicate that for stroke prevention in atrial fibrillation, major studies indicated a pattern of association with a reduced rate of major bleeding when compared to warfarin. Additionally, studies showed that for the treatment of venous blood clots (VTE), Eliquis was non-inferior to standard conventional therapy in preventing recurrent clots.

Q: Is Eliquis used to prevent stroke in people who do not have atrial fibrillation?

Official indications state that the drug is approved for stroke prevention mainly in patients diagnosed with nonvalvular atrial fibrillation (NVAF). While the medication is approved for other clot-related conditions, such as preventing deep vein thrombosis (DVT) and pulmonary embolism (PE), the product information does not list stroke prevention in non-AFib populations as an approved use.

Q: What should I tell a healthcare provider before starting Eliquis?

Regulatory safety documentation suggests informing your healthcare provider about all health conditions, especially any active bleeding or history of severe liver or kidney problems. Regulatory safety documentation suggests disclosing all other medications and supplements, including over-the-counter and herbal products like St. John’s Wort. Lastly, official documents indicate the necessity of discussing pregnancy status, plans, or breastfeeding.

How should Eliquis be stored and disposed of?

How to Store and Dispose of Eliquis?

The storage and disposal of Eliquis (apixaban) must adhere strictly to officially documented regulatory requirements to ensure product stability and safety.

Official Storage Conditions

Requirement Specification
Temperature Store at controlled room temperature, typically 20 C to 25 C.
Protection Must be stored away from light, excess heat, and moisture.
Packaging Keep the medication in the original container, tightly closed.
Child Safety Keep the medicine out of the sight and reach of children.

Official Disposal Rules

The preferred method for discarding unused or expired Eliquis is through an authorized drug take-back program. Disposal via the household trash must follow a specific regulatory protocol: mix the whole tablets with an unappealing substance (like dirt or coffee grounds) and seal the mixture in a plastic bag before trashing. The medication must not be flushed down the toilet or poured into any wastewater system.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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