Dumore

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Dumore

Property Description
Active ingredient Duloxetine Hydrochloride
Form Delayed-Release Capsule
Pharmacological class Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)
General Purpose Dual neurotransmitter modulation for mood and pain pathways
Origin Synthetic

Dumore: Definition and Pharmacological Classification

Dumore is a prescription-only (Rx), synthetic, single-ingredient medication for oral administration, identified by the active component, Duloxetine Hydrochloride. It is classified as a Serotonin-Norepinephrine Reuptake Inhibitor (SNRI), a group of compounds that affect specific chemical messengers in the central nervous system. This classification is clinically recognized for its role in modulating both mood and the processing of physical discomfort, which differentiates it from medications that target only a single neurotransmitter.

Composition and Pharmaceutical Form

The core composition contains the active substance, Duloxetine Hydrochloride, formulated within a specialized oral preparation. Dumore is presented as a Delayed-Release Capsule, an essential Oral Dosage Form that must be swallowed whole. The delayed-release formulation is necessary to protect the acid-labile Duloxetine from degradation by stomach acid, ensuring the drug is properly absorbed and consistently delivered in the intestine. This pharmaceutical design is critical for achieving therapeutic stability.

General Purpose: Dual Neurotransmitter Modulation

The general purpose of this medicine is to modulate chemical communication pathways in the brain and spinal cord by enhancing the sustained availability of key neurotransmitters. By acting as a potent dual inhibitor of neuronal reuptake, the medicine increases the amount of available Serotonin and Norepinephrine in the synaptic cleft. This dual mechanism contributes to the drug's therapeutic foundation by stabilizing circuits related to emotional regulation and influencing central pathways that process certain types of persistent physical discomfort. This makes the substance suitable for addressing conditions characterized by both compromised mood and chronic pain signals.

What side effects are possible with Dumore?

Adverse Reactions and Safety Profile

The official safety information for Duloxetine (Dumore) classifies possible effects by frequency and the physiological system or organ involved. The safety profile identifies effects ranging from Very Common to rare, serious adverse reactions.

Very Common Adverse Reactions (occurring in more than 1 in 10 patients) typically involve the Nervous System and Gastrointestinal Tract, including Nausea, Headache, Dry mouth, and Somnolence (drowsiness) [EMA SmPC]. Common adverse reactions (occurring in 1 to 10 in 100 patients) include Constipation, Dizziness, Fatigue, Decreased appetite, and Hyperhidrosis (increased sweating) [FDA Label].

Serious Adverse Reactions

Regulatory warnings highlight specific, clinically significant risks. The FDA requires a Boxed Warning concerning an increased risk of Suicidal Thoughts and Behaviors in children, adolescents, and young adults (up to age 24), particularly when therapy is initiated or the dose is changed [FDA Label]. Other serious documented risks include Hepatotoxicity (severe, potentially fatal liver injury), Serotonin Syndrome (a potentially life-threatening reaction), and the risk of Angle-Closure Glaucoma [FDA Label].

Population and Exposure-Related Safety Notes

Safety constraints advise against the use of this medicine in patients with severe renal impairment or chronic liver disease [FDA Label]. Additionally, official labeling notes that abrupt discontinuation may lead to a discontinuation syndrome, with symptoms such as dizziness, nausea, and headache [FDA Label]. The risk of Hyponatremia (low sodium levels) is also noted, particularly in older adults [MedlinePlus].

This structured information formally defines the medicine's safety landscape, distinguishing common effects from serious, less frequent risks, and highlighting specific restrictions based on patient health status and timing of exposure.

Overdose and Emergency Response

Overdose and when to seek help for Dumore is strictly defined by official regulatory documentation. Documented manifestations of acute overdose exposure include central nervous system effects such as somnolence, dizziness, seizures, syncope, and coma. Tachycardia, vomiting, and diarrhea are also listed as clinical signs. The severity of overdose is characterized by the potential for life-threatening outcomes. These outcomes include the development of Serotonin Syndrome, which is explicitly documented as a complication, as well as Neuroleptic Malignant Syndrome (NMS)-like reactions and, in rare instances, hepatic failure. Fatal outcomes have been reported, particularly in cases involving co-ingestion with other substances, including alcohol, at reported doses of 1000 mg or greater. Regulatory authorities emphasize that no specific antidote is known for Duloxetine Hydrochloride. Therefore, any suspected overdose requires that individuals immediately seek emergency medical attention. Management procedures detailed in the official prescribing information include initiating symptomatic and supportive treatment, with continuous clinical observation, including monitoring of vital signs and cardiac rhythm (ECG), being required. This regulatory framework defines the critical actions necessary for managing potential toxicity.

Therapeutic Uses of Dumore

What Dumore Treats: Main Uses and Benefits

Dumore (Duloxetine) is a medication generally utilized in clinical settings to provide supportive management across therapeutic domains characterized by persistent symptoms that interfere with daily functioning and create noticeable physiological strain. The medicine is relevant for easing symptomatic relief and may assist with managing chronic, disruptive manifestations. This medicine is commonly used to help with conditions presenting with significant symptomatic burden, including Major Depressive Disorder, Generalized Anxiety Disorder, Diabetic Peripheral Neuropathic Pain, and Chronic Musculoskeletal Pain.

This application is relevant when the patient experiences symptoms related to emotional distress (e.g., persistent sadness and uncontrollable worry) and physical discomfort (e.g., burning, shooting, or widespread persistent aching).

“This approach helps ease the overall symptom burden, supporting patients during episodes of heightened discomfort.”

The benefit offered is supportive relief when symptoms interfere with routine activities, which may support general well-being during symptomatic phases.


Quick Fact: Addressing Chronic, Functionally Limiting Pain Symptoms The medicine is considered relevant in contexts marked by increased discomfort or tension, particularly for persistent pain syndromes where symptoms escalate temporarily, which helps maintain a sense of stability when symptoms are more noticeable.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

The eligibility profile for Dumore is determined by official governmental regulatory documentation, which specifies both the patient populations for whom use is allowed and those for whom it is strictly excluded or restricted.

Eligibility Scope

Classification Rule (Official Regulatory Basis)
Populations for whom use is allowed Adults (18 years and older) who meet all criteria for the officially approved indication(s).
Populations for whom use is contraindicated Individuals with known hypersensitivity to the active substance or any excipient of the product; patients with documented Severe Hepatic Impairment (e.g., Child-Pugh Class C), as this condition presents an unacceptable risk.
Populations for whom use is restricted Patients with Moderate Renal Impairment (e.g., creatinine clearance < 50 mL/min) are subject to specific official dosage adjustments and increased monitoring.
Age-related eligibility rules Pediatric use (patients under 18 years of age) is not established due to insufficient data on safety and efficacy in this population.
Pregnancy/Lactation Status Use is not recommended during pregnancy or lactation due to official data indicating excretion into human milk or evidence of potential fetal risk.

Summary of Official Eligibility

Official regulatory documents dictate that only patients who fit the narrow criteria of the approved indication and who have no listed Contraindications may use the medicine. The profile strictly prohibits use based on pre-existing clinical states, such as certain degrees of organ impairment, where the regulatory body has deemed the risks to clearly outweigh any potential benefits, thus defining who is officially excluded from treatment.

What should I know about interactions with other medicines?

Contraindicated Combinations and Timing

Co-administration of Dumore with Monoamine Oxidase Inhibitors (MAOIs) is formally prohibited due to the severe risk of Serotonin Syndrome. A mandatory separation period of at least 14 days must elapse between the discontinuation of an MAOI and the initiation of Dumore, and vice versa. The product label also classifies co-administration with other substances exhibiting MAOI-like properties, specifically Linezolid and Intravenous Methylene Blue, as contraindicated. Furthermore, the combination with potent CYP1A2 Inhibitors, including fluvoxamine, ciprofloxacin, and enoxacin, should be avoided, as this significantly increases the drug's systemic exposure.

Metabolic Interaction Profile

Duloxetine is metabolized by the CYP1A2 and CYP2D6 hepatic enzyme systems. Official documentation describes that potent inhibition of CYP1A2 by agents like fluvoxamine results in up to a six-fold increase in the drug’s maximum plasma concentration (Cmax) and area under the curve (AUC), which is the basis for the restriction. Dumore is classified as a moderate inhibitor of CYP2D6, which is a pharmacokinetic constraint that may necessitate dose consideration for co-administered medicines that are substrates of that enzyme.

Pharmacodynamic and Clearance Constraints

Regulatory documents identify additive pharmacodynamic effects when combining Dumore with other serotonergic agents (e.g., triptans, tramadol) and with agents that interfere with hemostasis (e.g., NSAIDs, anticoagulants), due to the potential for increased risk of Serotonin Syndrome or abnormal bleeding events, respectively. Use should be avoided in patients with severe renal impairment (CrCl < 30 mL/min) or hepatic impairment, as clearance is reduced in these populations, increasing exposure. Substantial alcohol use is also a documented constraint due to the increased risk of hepatotoxicity.

Mechanism of Action

Dual Inhibition of Neurotransmitter Reuptake

Dumore acts as a dual inhibitor of the Serotonin Transporter ( SERT) and the Norepinephrine Transporter ( NET) in the central nervous system (CNS). This molecular interaction blocks the reuptake of these neurotransmitters from the synaptic cleft, resulting in elevated and sustained synaptic concentrations that modulate neural circuits.


Modulation of the Descending Inhibitory Pathway

The resulting increase in synaptic serotonin and norepinephrine enhances the activity of the descending inhibitory pathway, a functional system that projects from the brain to the spinal cord. This pathway influences the transmission and processing of nociceptive input in the CNS.


Support for Peripheral Nerve Structural Function

The drug also contains a co-factor (Methylcobalamin) that contributes to the metabolic pathways necessary for the synthesis and maintenance of the myelin sheath around peripheral nerve fibers. This action supports the maintenance of nerve signal transmission integrity and contributes to the metabolic function of the peripheral nerve structure.

Dosage and Administration Information

Administration Scope

Property Instruction
Route of administration Oral administration only.
Dosing schedule The regimen involves an initial starting dose (e.g., 30 mg) for a brief period, transitioning to a standard maintenance dose of 60 mg. The maximum recommended daily intake may be 120 mg/day for certain conditions (MDD/GAD) or limited to 60 mg/day for chronic pain syndromes.
Timing in relation to meals (if applicable) May be taken with or without food.
Age-group administration rules Use is restricted in patients with severe renal or hepatic impairment. Specific pediatric dosing schedules are defined for approved uses, such as Generalized Anxiety Disorder.
Missed-dose rules If a dose is missed, take it as soon as possible, but skip it if near the next scheduled time. Do not take two doses simultaneously.
Special procedural conditions The delayed-release capsule must be swallowed whole and must not be chewed, crushed, or opened. Treatment cessation requires a gradual dose reduction (tapering) over at least one to two weeks.

Instruction Classifications (High-Level)

Classification Principle
Administration method type Oral
Frequency pattern Once daily (maintenance dosing).

Resulting Procedural Structure

Standard step sequence:

  • Initiate therapy with the specified starting dose for the defined duration.
  • Maintain the prescribed dose at a once-daily frequency, taken without regard to meals.
  • Swallow the capsule whole to maintain the integrity of the delayed-release formulation.
  • Upon concluding therapy, perform a tapering schedule by gradually reducing the dose over the specified timeframe.

Connection to the Overall Use Protocol

The instructions establish a structured protocol centered on oral administration of an intact, delayed-release capsule. This structure mandates a specific titration period from a starting dose to a once-daily maintenance level, ensuring consistent delivery of the active substance. The protocol is completed by the requirement for gradual discontinuation to properly conclude treatment.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dumore

This section provides a descriptive overview of the scientific evidence that has been evaluated for Dumore (Duloxetine), focusing on the design of the studies, the types of patient experiences measured, and the areas where research is still considered limited or ongoing. This evidence describes general patterns observed in groups of patients and is not a prediction of individual outcomes.


Evidence for Major Depressive Disorder (MDD)

The evidence base for MDD primarily relies on short-term, randomized controlled trials (RCTs). Researchers monitored outcomes related to changes in depressive symptom scale scores and measures of functional status over observation periods typically up to sixteen weeks. Research describes patterns observed in the studies, reporting how symptoms evolved in the observed populations, and contributed to understanding symptom patterns regarding associated physical discomfort. Aggregate data often describe patterns related to a measured magnitude of change that scientific literature sometimes characterizes as small. Long-term effects are not fully established regarding the sustained durability of changes beyond one year.


Evidence for Diabetic Peripheral Neuropathic Pain (DPNP)

For Diabetic Peripheral Neuropathic Pain, the research is founded on multiple, short-term, placebo-controlled trials. These studies primarily examined patient-reported outcomes describing perceived discomfort by measuring changes in average daily pain scores over about twelve weeks. The data show patterns related to dose administration, where administering higher dose levels was observed in some studies to have no association with different primary pain outcomes compared to a standard dose. The research primarily focuses on short-term pain scale reduction, and studies focusing on underlying changes to the condition are limited.


Research Gaps and Uncertainty

Research has explored the medicine for some indications in older adult populations. Research exploring long-term outcomes for children and adolescent groups remains limited. It is a standard research limitation that the core RCTs generally excluded individuals with complex, unstable medical conditions. Therefore, the results apply only to the populations studied, and little information is available for certain groups, such as those with severe organ impairment. Comparative evidence is lacking from head-to-head trials against all other active treatments for all indications.

Frequently Asked Questions (FAQ)

Common questions about Dumore (FAQ)

Q: How long is the starting dose period before moving to the maintenance dose?

A: Official product information often describes an initial starting dose period of one week before a transition to the standard maintenance dose. For certain conditions and specific patient populations, such as older adults or children, the starting dose period may, however, be defined as two weeks.

Q: What are the most commonly reported side effects?

A: Regulatory documents state that very common adverse reactions (occurring in more than 1 in 10 patients) include nausea, dry mouth, headache, and drowsiness. Common adverse reactions (occurring in 1 to 10 in 100 patients) include increased sweating, constipation, dizziness, fatigue, and decreased appetite.

Q: Can I take this medication if I also take a strong CYP1A2 inhibitor?

A: Official labeling advises that co-administration with potent CYP1A2 inhibitors, such as fluvoxamine, ciprofloxacin, or enoxacin, should generally be avoided. This is because these combinations may lead to a higher concentration of Dumore in the body, which can elevate the risk of adverse reactions.

Q: What specific conditions or diagnoses is Dumore approved to treat?

A: The drug is officially approved by regulatory authorities for the treatment of several conditions. These include Major Depressive Disorder (MDD), Generalized Anxiety Disorder (GAD), Diabetic Peripheral Neuropathic Pain (DPNP), fibromyalgia, and chronic musculoskeletal pain.

Q: How long does it take for Dumore to start affecting my symptoms?

A: Patterns observed in clinical studies indicate that some initial changes in symptoms, such as in sleep or energy levels, have been reported within 1 to 2 weeks. However, the full observed therapeutic effect may require 1 to 4 weeks or more of consistent use.

Q: Is this medication classified as addictive or habit-forming?

A: This medication is not classified as a controlled substance by regulatory agencies. While it is not considered addictive, official labeling notes that stopping the medication suddenly may lead to a discontinuation syndrome. This condition can include symptoms like dizziness, nausea, and headache.

Q: What is the required separation time if switching from an MAOI to Dumore?

A: Regulatory documents establish a required separation period when transitioning between this drug and a Monoamine Oxidase Inhibitor (MAOI). A minimum of 14 days must pass between discontinuing an MAOI and initiating Dumore to help reduce the risk of a potentially serious reaction called Serotonin Syndrome.

Q: Are there any foods or drinks advised against while on this medication?

A: Official warnings state that the use of this medication is advised against for patients who consume substantial amounts of alcohol. This is due to a heightened risk of severe liver injury, or hepatotoxicity, associated with the combination.

Q: What is the difference between this medication and a typical SSRI?

A: Dumore is classified as a Serotonin-Norepinephrine Reuptake Inhibitor (SNRI) because its mechanism of action involves increasing the activity of two neurotransmitters: Serotonin and Norepinephrine. In contrast, a typical Selective Serotonin Reuptake Inhibitor (SSRI) primarily targets and increases the activity of only Serotonin.

How should Dumore be stored and disposed of?

Storage Requirements

Official regulatory documents require Dumore (Duloxetine Delayed-Release Capsules) to be stored at Controlled Room Temperature, specifically between 20^circC and 25^circC (68^circF and 77^circF). It is mandatory to keep the medicine in its original, tightly closed container and protect it from excessive moisture. The product must never be refrigerated or frozen, as this can compromise the specialized Delayed-Release formulation. For safety, the medication must be kept out of the sight and reach of children.

Disposal Instructions

Unused or expired Dumore must not be flushed down a toilet or poured down a drain. The official method for disposal is to use a secure drug take-back program or follow the approved household trash procedure. This procedure requires mixing the capsules with an undesirable substance, such as coffee grounds or dirt, sealing the mixture in a bag, and discarding it with the household trash.

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

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