Dexilant

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Dexilant

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Medically reviewed

Rosario Oropesa

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 Dexilant

Quick Facts

Property Description
Active Ingredient Dexlansoprazole (R-enantiomer)
Form Dual delayed-release capsule
Pharmacological Class Proton Pump Inhibitor (PPI)
General Purpose Suppression of gastric acid secretion
Origin Synthetic benzimidazole derivative

What Type of Medicine is Dexilant?

Dexilant is a prescription drug manufactured with dexlansoprazole, an antisecretory drug used for the management of conditions related to excess stomach acid. It is classified chemically as a synthetic benzimidazole derivative and belongs to the Proton Pump Inhibitor (PPI) pharmacological class, a category clinically recognized for its efficacy in reducing acid production. Its active component, dexlansoprazole, is structurally unique: it is the purified R-enantiomer of the related compound, lansoprazole, a distinction supported by pharmacological studies that focus on optimizing drug properties.

Dexilant Composition and Dual Delivery Form

The single active ingredient in this medication is dexlansoprazole, which is prepared for oral administration in a dual delayed-release capsule formulation. This structure represents a key differentiating feature within the PPI class, as the delivery system is engineered to provide two distinct releases of the active ingredient into the gastrointestinal tract, unlike the single delayed-release mechanisms found in most other PPIs. This specialized dual delivery release system utilizes two types of coated granules to ensure the drug's effect is sustained over an extended period. This design feature aims to offer patients more consistent acid control over a typical 24-hour cycle.

What is the General Purpose of Dexilant?

The general purpose of Dexilant is to achieve effective and prolonged control over acid-related issues by directly targeting the production of stomach acid. It functions by acting upon the proton pump enzyme system within the gastric parietal cells. By blocking the final step of acid production, Dexilant fundamentally reduces the acidity of stomach contents, which is the source of irritation associated with acid reflux—a typical use scenario. This direct, potent action is central to its utility in reducing the overall gastric acid load.

Regulatory References

  1. National Library of Medicine, DailyMed

What side effects are possible with Dexilant?

Possible side effects and safety information

The safety profile for dexlansoprazole is officially documented according to frequency and physiological system. Adverse reactions are grouped into categories such as Common (affecting up to 1 in 10 patients) and Uncommon (affecting up to 1 in 100 patients), as defined in government regulatory labeling.

Documented Adverse Reactions

Adverse effects listed as Common often involve the Gastrointestinal System (e.g., diarrhea, abdominal pain, nausea, flatulence) and the Nervous System (headache). Less common reactions, noted as Uncommon, may include insomnia, dizziness, and rash, reflecting effects on other System-Organ Classes.

Serious Adverse Reactions and Systemic Risks

Official regulatory sources highlight specific serious adverse reactions associated with the proton pump inhibitor class. These include the documented potential for Clostridium difficile-associated diarrhea (CDAD) and reports of Acute Interstitial Nephritis (AIN). There is also an observed, though rare, risk of bone fractures (hip, wrist, or spine) and Hypomagnesemia (low serum magnesium) associated with long-term use, typically defined as one year or longer.

Population-Specific Safety Constraints

Safety notes address specific patient groups. In pediatric patients (ages 12-17), the safety profile is generally considered similar to adults, with headache frequently observed. For patients with severe hepatic impairment, safety data are not available from clinical studies, which acts as a noted limitation in official documentation. The medicine is formally contraindicated in individuals with a known hypersensitivity to dexlansoprazole or related compounds.

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information for Dexilant

Overdose Scope

Domain Official Regulatory Statement
Documented Overdose Presentations Clinical manifestations observed following high-dose exposures include hypertension (high blood pressure), hot flashes, contusion (bruising), oropharyngeal pain (mouth and throat pain), and weight loss.
Physiological Systems Affected Effects noted include cardiovascular (Hypertension) and systemic or general physical manifestations.
Dose-Related Factors Over-exposure up to a single 300 mg dose or multiple 120 mg doses did not result in documented reports of death or other severe adverse events in clinical trials.
Emergency-Response Statements Seek emergency medical attention for a suspected overdosage.
Immediate Medical Help Required Contact the Poison Help line or a Poison Control Centre immediately in the event of suspected over-exposure.

Overdose Management

Classification Official Regulatory Statement
Antidote Status No specific antidote is known or available for dexlansoprazole overdosage.
Supportive Management Treatment is officially defined as symptomatic and supportive.
Procedural Constraint Dexlansoprazole is not expected to be removed from the circulation by hemodialysis.

Connection to the overall overdose profile: The regulatory profile for dexlansoprazole overdose outlines specific physical changes like hypertension and hot flashes observed with high doses, without documenting severe, life-threatening outcomes from maximum test exposures. The standard of care mandated by regulators requires that individuals seek immediate medical attention and contact the Poison Control Centre for any suspected overdose. Management is constrained to symptomatic and supportive measures.

Therapeutic Uses of Dexilant

What Dexilant Treats: Main Uses and Benefits

The medication is commonly used to help manage conditions associated with symptoms related to heightened physiological activity due to excess stomach acid in adults and adolescents (age 12 and older).

The medication is commonly used in several therapeutic areas to support patients experiencing Erosive Esophagitis (EE), which includes support for the healing of existing tissue damage and assisting with the long-term management of healed tissue, as well as providing relief for symptomatic Gastroesophageal Reflux Disease (GERD). This approach offers continuous support to stabilize symptoms and may assist with maintaining functional stability during periods of increased discomfort. The medication is commonly used in situations that require extended symptomatic support for persistent discomfort, which helps ease the overall symptom burden.

Clinical Contexts: Symptom Management

Primary Use Context Core Symptoms Addressed Patient Benefit
Healing/Maintenance Phase Acid-related tissue damage (erosions) Supports general well-being during symptomatic phases and assists with maintaining functional stability.
Symptom Management Frequent heartburn, acid regurgitation Helps improve day-to-day comfort during symptomatic periods.

“The approach supports patients during episodes of heightened discomfort, offering support that helps ease the overall symptom burden.”

Eligibility and Restrictions for Use

Eligibility for Dexilant: Official Regulatory Information

Dexilant (dexlansoprazole) is authorized for use based on specific age groups and contraindication rules established by regulatory authorities.

Category Official Regulatory Status
Approved Age Groups Adults (18 and older) and Adolescents (12 years of age and older).
Contraindicated Populations Patients with a known hypersensitivity to any component of the formulation or to substituted benzimidazoles (other PPIs). Co-administration with rilpivirine-containing products is also contraindicated.
Populations Not Recommended Safety and effectiveness are not established in children under 12 years of age. Use is not recommended in patients with severe hepatic impairment (Child-Pugh Class C).

Specific Population Rules

For patients with moderate hepatic impairment (Child-Pugh Class B), regulatory guidance requires a maximum daily dose restriction for certain uses. No dose adjustment is generally necessary for patients with renal impairment. Regarding pregnancy, human data are considered insufficient to define drug-associated risk, and for lactation, discontinuing either the drug or nursing is generally advised.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Dexilant (dexlansoprazole) can interact with certain medicines, primarily by altering gastric pH, which affects the absorption of other drugs, or through its metabolism by liver enzymes.

Documented Interactions

Interaction Type Affected Medications/Classes Constraint or Requirement
pH-Dependent Absorption (Decreased) Antiretrovirals (e.g., Rilpivirine, Atazanavir, Nelfinavir), Antifungals (e.g., Ketoconazole, Itraconazole), Iron salts Rilpivirine is contraindicated. Avoid concomitant use with Atazanavir and Nelfinavir due to risk of substantially decreased drug concentration.
pH-Dependent Absorption (Increased) Digoxin May increase exposure to Digoxin.
CYP Enzyme Metabolism (Induction) Rifampin, St. John’s Wort Avoid concomitant use as these strong inducers can decrease dexlansoprazole exposure.
Narrow Therapeutic Index Warfarin, Tacrolimus, Methotrexate, Mycophenolate Mofetil (MMF) Requires close monitoring. Use with Warfarin mandates monitoring of INR/prothrombin time. Methotrexate requires consideration of temporary Dexilant withdrawal, especially at high doses.

Procedural and Diagnostic Interference

Dexilant therapy can interfere with diagnostic tests for neuroendocrine tumors (Chromogranin A, CgA) and certain tests for gastrinoma. Specific timing constraints require the temporary interruption of Dexilant therapy—usually at least 14 days prior to CgA assessment and at least 30 days before a secretin stimulation test—to allow test results to return to baseline. The use of Dexilant with high-dose Methotrexate is explicitly noted for its potential to elevate and prolong methotrexate serum levels.

Mechanism of Action

Dexlansoprazole, the active R-enantiomer of lansoprazole, functions as a Proton Pump Inhibitor (PPI). The compound is an orally administered prodrug that is absorbed and selectively accumulates in the acidic environment of the secretory canaliculi within gastric parietal cells.

There, it undergoes an acid-catalyzed conversion to its active sulfenamide form.

This activated metabolite acts as an irreversible inhibitor, forming a stable covalent disulfide bond with specific cysteine residues on the luminal surface of the H^+/ K^+-ATPase enzyme—the terminal proton pump. This covalent interaction permanently inactivates the enzyme, blocking its capacity to exchange H^+ ions from the cytoplasm for K^+ ions in the gastric lumen. The downstream cascade is the cessation of hydrochloric acid secretion into the stomach. The dual delayed-release formulation of dexlansoprazole results in two distinct plasma concentration peaks, contributing to sustained H^+/ K^+-ATPase inhibition and prolonged modulation of system-level gastric acidity.

Dosage and Administration Information

Dexilant is administered once daily via the oral route and can be taken without regard to food. The medicine is available as dual delayed-release capsules in 30 mg and 60 mg strengths. The specific daily dose and duration are tied directly to the clinical context:

Context Standard Adult Dosage Maximum Duration
Healing of Erosive Esophagitis 60 mg once daily Up to 8 weeks
Maintenance of Healed Esophagitis 30 mg once daily Up to 6 months
Symptomatic Non-Erosive GERD 30 mg once daily 4 weeks

Administration and Handling Constraints

The dual delayed-release capsule must be swallowed whole to preserve the intended drug release profile; it must not be chewed or crushed. For individuals unable to swallow the whole capsule, the granules can be emptied and mixed with one tablespoon of applesauce or water for immediate ingestion. This medicine can also be administered through an NG tube (16 French or greater) after proper suspension in water.

Dose Adjustments: For patients with moderate hepatic impairment (Child-Pugh Class B), a maximum dose of 30 mg once daily is specified. No dose adjustment is generally necessary for older adults or patients with renal impairment. If a dose is missed, it should be taken as soon as possible, but two doses must never be taken at the same time.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dexilant

The clinical evidence for dexlansoprazole is primarily derived from Randomized Controlled Trials (RCTs). These studies involve randomly assigning participants to receive either the medicine or a comparison treatment (like a placebo or another similar drug) under controlled conditions. The research examined different patient groups and conditions to understand symptom patterns and changes over defined time intervals.


Evidence for Use in Healing Erosive Esophagitis (EE)

The research for this condition was studied in populations defined by the presence of Erosive Esophagitis (EE). Studies were generally short-term, observing participants for up to eight weeks, with this duration used for the primary assessment period. These Phase 3 controlled trials measured the percentage of participants whose outcomes reflected a change in mucosal status, confirmed visually by endoscopy. Some research involved active comparator arms, which compared the study measurements against other similar drugs.


Evidence for Use in Maintenance of Healed Erosive Esophagitis

Studies for this indication were designed to explore outcomes related to the maintenance of healed tissue and the incidence of recurrence. Research generally monitored patients over intervals often up to six months. Outcomes monitored included the percentage of participants whose outcomes reflected sustained mucosal status, confirmed by follow-up endoscopy, and the monitoring of patient-reported outcomes describing perceived discomfort.


Evidence for Use in Symptomatic Non-Erosive GERD (sGERD)

Research for this indication was studied for symptomatic non-erosive GERD (sGERD), a condition involving periods of frequent heartburn. These were predominantly short-term RCTs, with the primary symptom assessment conducted over four weeks. Studies explored patient-reported outcomes describing perceived discomfort, focusing on the change in heartburn frequency and severity.


What is Still Uncertain About Dexilant

While core efficacy was evaluated in RCTs, the follow-up durations were limited in many studies, particularly for acute symptom relief (often four weeks). There is limited information for long-term outcomes beyond the maintenance phase (six months). The results apply only to the populations studied, as trials often had strict entry criteria and excluded individuals with certain chronic or severe co-morbidities. Consequently, comparative evidence is lacking for many potential subgroups that might be encountered in daily practice.

Frequently Asked Questions (FAQ)

Common questions about Dexilant (FAQ)

Q: What is the main difference between Dexilant and other PPIs like omeprazole or pantoprazole?

A: Official documents indicate that Dexilant contains the active ingredient dexlansoprazole, which is the R-enantiomer of lansoprazole. A key distinction from many other medicines in this class is its dual delayed-release formulation. This design is engineered to release the medicine in two distinct phases, aiming for a sustained duration of acid suppression.

Q: Are there any long-term health concerns associated with using Dexilant?

A: Regulatory warnings associated with the PPI class for long-term use, typically defined as one year or longer, mention a potential risk of bone fractures, especially of the hip, wrist, or spine. Other risks noted in official information include low serum magnesium (Hypomagnesemia) and the possible development of Fundic Gland Polyps. Use for longer than three years may also be associated with Vitamin B12 deficiency.

Q: Is it safe to take Dexilant with over-the-counter pain relievers like ibuprofen?

A: Official documents describe no specific drug-to-drug interaction between dexlansoprazole and non-steroidal anti-inflammatory drugs ( NSAIDs) like ibuprofen. Discussing the combination of any medicine with a healthcare provider is generally recommended.

Q: What are the documented effects of Dexilant on bone health?

A: Official regulatory documents report that therapy with the PPI class, particularly at high doses and for long periods (one year or longer), may be associated with an increased risk of osteoporosis-related fractures. These fractures have been reported in the hip, wrist, or spine.

Q: Is Dexilant associated with low magnesium levels?

A: Yes, official regulatory information notes that Hypomagnesemia, or low serum magnesium, has been rarely reported in patients treated with PPIs. This condition is typically observed after at least one year of therapy. The risk is noted to be greater in patients who are also taking other medicines that have been known to cause low magnesium.

Q: What are the known potential interactions between Dexilant and blood thinners?

A: Official information describes an interaction with Warfarin that requires close monitoring of blood coagulation time. Regarding Clopidogrel, regulatory documents state that no dose adjustment is specified when co-administering it with an approved dose of Dexilant.

Q: What is the general duration of treatment with Dexilant for most people?

A: The recommended length of treatment depends on the specific condition being addressed. Official guidelines specify up to 8 weeks for the initial healing phase of erosive esophagitis ( EE). The treatment for maintaining EE healing is up to 6 months in adults, and the treatment for symptomatic non-erosive GERD is typically 4 weeks.

Q: Can Dexilant be taken with antacids if needed?

A: There is no contraindication against taking Dexilant with antacids listed in official regulatory documents. The reduction in stomach acid caused by both Dexilant and antacids may affect how certain other medicines are absorbed.

Q: Is Dexilant effective for both daytime and nighttime heartburn symptoms?

A: The specialized dual delayed-release formulation is designed to provide sustained suppression of gastric acid. This formulation aims for consistent acid control over a 24-hour period, which covers both daytime and nighttime periods.

Q: Does Dexilant start working right away, or does it take a few days?

A: The medicine is generally used as a treatment course over time. Clinical studies for symptomatic non-erosive GERD evaluated effectiveness based on symptom changes observed over a four-week period. The recommended full duration of therapy for this indication is typically four weeks.

Q: Can Dexilant affect blood test results?

A: Official documents describe that Dexilant can interfere with certain diagnostic tests. This includes tests used to detect neuroendocrine tumors, such as the Chromogranin A ( CgA) test, and it may also affect the results of the secretin stimulation test for gastrinoma.

Q: Does Dexilant cause weight gain or weight loss?

A: Neither weight gain nor weight loss are listed as common side effects of Dexilant. However, 'unusual weight gain' has been noted in postmarketing reports in association with monitoring for a rare, serious side effect ( Acute Tubulointerstitial Nephritis), but the frequency is not known.

Q: What are the signs that Dexilant may not be working for a person?

A: Official guidance states that if a person experiences a suboptimal response to therapy or an early symptomatic relapse after completing treatment, additional follow-up or diagnostic testing may be considered by a healthcare provider. These situations are described in official guidance as conditions that may warrant follow-up.

Q: Does taking Dexilant affect the absorption of vitamins or nutrients?

A: Long-term daily use of the PPI class, for example, longer than three years, may be associated with malabsorption or a deficiency of Vitamin B12. The reduction in stomach acid caused by the medicine can also affect the absorption of certain minerals and other medicines, such as iron salts.

Q: Are there any food or drink restrictions while taking Dexilant?

A: Official product information states that Dexilant can be taken without regard to food. No specific food or drink restrictions are listed in the regulatory label.

Q: Can Dexilant cause headaches, and if so, how common is this side effect?

A: Yes, headache is a documented adverse reaction. Official labeling classifies headache as a Common side effect, meaning it is reported in up to 1 in 10 patients.

Q: Can Dexilant cause sleeping difficulties or changes in mood?

A: Insomnia, which is difficulty sleeping, is listed as an Uncommon adverse reaction in the official product information, meaning it affects up to 1 in 100 patients. Mood or mental changes have also been noted in postmarketing reports, but the frequency is not known.

Q: Is Dexilant safe for someone with known kidney issues?

A: Regulatory guidance states that dose adjustment is generally not necessary for patients with renal impairment. However, it is also noted that PPI therapy, including Dexilant, is associated with a rare potential for Acute Interstitial Nephritis ( AIN), which is a serious kidney condition.

Q: Can Dexilant be used to prevent acid reflux, or is it only for treatment?

A: Dexilant is indicated by the FDA for the healing of erosive esophagitis ( EE), the maintenance of healed EE, and the treatment of heartburn associated with symptomatic non-erosive GERD. These indications focus on the management and treatment of acid-related conditions.

Q: Do studies exist that examine the use of Dexilant in children?

A: Yes, the safety and effectiveness of Dexilant have been studied and established for use in pediatric patients 12 years of age and older. Regulatory information notes that use is not recommended in children younger than 12 years of age.

Q: Does Dexilant interact with any herbal supplements?

A: Yes, official documents explicitly advise to avoid taking Dexilant with St. John’s Wort. This herbal supplement is described as a strong enzyme inducer, which can decrease the exposure of dexlansoprazole in the body.

Q: Is it described that Dexilant causes changes in bowel habits?

A: Yes, the most common gastrointestinal adverse effect reported in clinical trials is diarrhea. Constipation has also been noted in postmarketing reports, but the frequency is not known.

Q: Does Dexilant have a specific safety profile regarding liver function?

A: Official guidance outlines dosage adjustments for patients with moderate hepatic impairment (Child-Pugh Class B). Use is advised against in cases of severe hepatic impairment (Child-Pugh Class C). Drug-induced hepatitis has also been noted in postmarketing reports.

Q: Is there a maximum time length that Dexilant is typically studied for in clinical trials?

A: Clinical studies for the maintenance of healed erosive esophagitis in adults did not extend beyond six months. For adolescents, controlled studies for this same indication did not extend beyond 16 weeks.

Q: Can Dexilant cause dizziness, and if so, how common is this side effect?

A: Yes, dizziness is a documented adverse reaction. Official labeling classifies dizziness as an Uncommon side effect, meaning it is reported in up to 1 in 100 patients.

Q: What are some of the less common but important side effects of Dexilant to be aware of?

A: Official documents highlight several serious or less common reactions associated with the PPI class. These include Clostridium difficile-associated diarrhea ( CDAD), Acute Interstitial Nephritis ( AIN), and the potential for bone fractures and Hypomagnesemia (low serum magnesium) with long-term use.

Q: How is Dexilant elimination described in regulatory sources?

A: Regulatory sources describe dexlansoprazole as being extensively metabolized, or processed, by the liver, primarily involving the CYP2C19 and CYP3A4 enzyme systems. The inactive breakdown products are then excreted through both urine and feces.

Q: What is the role of Dexilant in treating different types of erosive esophagitis?

A: Dexilant is indicated for the healing of all grades of erosive esophagitis ( EE), which is a condition where the lining of the esophagus is damaged by stomach acid.

Q: Does Dexilant affect how the body metabolizes other drugs?

A: Yes, official product information indicates that Dexilant can influence the way the body processes other medicines. This primarily occurs through the interaction with certain liver enzymes, which may alter the concentration levels of some co-administered drugs.

Q: What is the purpose of the different strengths of Dexilant capsules?

A: Official dosing guidelines use the two different strengths to match the clinical need. The 60 mg strength is specified for the initial healing phase of erosive esophagitis ( EE), while the 30 mg strength is typically specified for the maintenance of healing and for symptomatic non-erosive GERD.

Q: Can taking Dexilant increase the risk of developing certain infections?

A: Yes, official warnings note that therapy with the PPI class may be associated with an increased risk of Clostridium difficile-associated diarrhea ( CDAD). This is an infection that can occur in the intestine.

Q: How does the 'delayed-release' part of the drug relate to its effectiveness?

A: As an acid-sensitive compound, dexlansoprazole uses a delayed-release mechanism to protect the drug from being prematurely broken down by stomach acid. This allows it to be absorbed later in the small intestine, enabling it to reach the parietal cells for its intended acid-suppressing effect.

How should Dexilant be stored and disposed of?

How to Store and Dispose of Dexilant

The following storage and disposal requirements for Dexilant (dexlansoprazole) are based on official regulatory labeling, ensuring product stability and safety.

Requirement Official Instruction
Temperature Store at Controlled Room Temperature, 20°C to 25°C (68°F to 77°F). Excursions are permitted between 15°C and 30°C.
Handling/Stability If capsule contents are mixed with applesauce or water, the mixture must be swallowed immediately and should not be saved for later use. The granules must not be chewed.
Child Safety As with all medicines, the product must be stored out of reach of children.
Disposal Disposal should adhere to standard national guidelines for unused or expired medicines, such as drug take-back programs.

These instructions define the mandatory environmental conditions and strict in-use stability rules for Dexilant capsules, reflecting official regulatory constraints on storage and handling.

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

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