Dolmed

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Dolmed

Method of action: Analgesic, Opioid

Treatment option: Pain, Drug Addiction

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 Dolmed

What is Dolmed? Defining the Synthetic Opioid Analgesic

Property Description
Active ingredient Methadone hydrochloride
Forms Oral Tablet, Oral Solution (Liquid)
Pharmacological class Opioid Analgesic, Synthetic Opioid Agonist
Common use Management of severe pain; Opioid dependence treatment
Origin Synthetic (Man-made)

Dolmed is a recognized trade name for a medicine containing the active ingredient Methadone hydrochloride, which belongs to the pharmacological class of synthetic opioid agonists and is designated as a narcotic analgesic. Its synthetic origin distinguishes it from naturally derived opiates, a characteristic confirmed by its chemical formula and properties. The drug is a single-active ingredient product and is commercially produced in common dosage forms such as the oral tablet and the liquid oral solution.

The core purpose of Dolmed is linked to its powerful, long-acting effect as an opioid receptor agonist. It is clinically recognized for providing sustained relief in pain management for individuals with chronic, severe pain that has not responded adequately to other treatments. Methadone is approved for controlling severe pain in such cases.

Furthermore, the sustained physiological effect of Methadone is leveraged in the treatment of substance use disorder. Dolmed is used in Medication-Assisted Treatment (MAT) programs, supporting patients by providing stable dosing over time. This approach involves the use of Methadone as an Essential Medicine for opioid dependence treatment. This specific use scenario highlights the drug’s differentiating factor: providing necessary stability for patients in recovery due to its long half-life.

Regulatory References

  1. WHO
  2. WHO Essential Medicines List

What side effects are possible with Dolmed?

Possible Side Effects and Safety Information

The safety profile of Dolmed (Methadone) is comprehensively documented in official regulatory sources, which classify potential reactions based on their frequency, the physiological system affected, and severity.

Key Adverse Reaction Categories

Official labeling classifies the most frequently observed adverse reactions as lightheadedness, dizziness, sedation, nausea, vomiting, and sweating. These effects often relate to the drug's activity as a synthetic opioid agonist and may be more prominent during the initial phase of treatment or following a dose increase.

Adverse reactions are grouped by System-Organ Class, with effects documented across the Nervous System (e.g., somnolence, confusion), Gastrointestinal System (e.g., constipation, dry mouth), and Skin (e.g., pruritus, flushing).

Serious Adverse Reactions and Safety Constraints

The most critical hazards documented by regulatory authorities are classified as Serious Adverse Reactions (SARs). These include life-threatening or fatal respiratory depression and the risk of QT-interval prolongation, a serious cardiac conduction abnormality. This cardiac risk is associated with long-term exposure.

Regulatory documents define specific safety limitations. Severe respiratory depression and acute bronchial asthma are listed as contraindications. Furthermore, specific caution is noted for certain patient groups, including older adults and those with severe hepatic impairment, where heightened risk is documented due to altered drug metabolism or increased sensitivity.


Overdose and Emergency Response

Overdose and when to seek help: Official Regulatory Information for Dolmed

This section outlines the documented overdose manifestations and mandated emergency actions as described in government regulatory documents.

Category Official Regulatory Statement or Entity
Overdose scope
Documented overdose presentations: Profound sedation, miosis (pinpoint pupils), central nervous system (CNS) depression, hypotension, somnolence, confusion, or progression to coma.
Physiological systems affected: Respiratory (life-threatening respiratory depression, apnea), Central Nervous System (sedation, coma), Cardiovascular (hypotension, arrhythmias, QT prolongation).
Dose-related or exposure-related factors: Accidental ingestion of even one dose can result in a fatal overdose, especially in children.
Population-specific overdose notes: Increased risk of severe respiratory depression in the elderly, cachectic, or debilitated patients.
Emergency-response statements: Call 911 or local emergency services right away; Seek immediate medical attention; Naloxone (opioid antagonist) can temporarily reverse effects, but repeated doses may be necessary; Continuous cardiac monitoring (ECG) is required.
When immediate medical help is required: Urgent medical attention must be sought immediately upon known or suspected overdose due to the risk of life-threatening respiratory depression, cardiac events, or coma.
Overdose classifications (high-level)
Severity classification: Life-threatening (referencing respiratory arrest, Torsades de pointes, and death).
Overdose-context constraints: Management requires symptomatic and supportive treatment; prolonged monitoring is necessary due to the long half-life.
Resulting overdose structure
Official overdose statements: Profound respiratory depression is the primary, life-threatening manifestation documented by regulators.
Cardiotoxicity, including QT prolongation and the risk of Torsades de pointes, is a specific, severe outcome requiring immediate attention and monitoring.
The long half-life necessitates prolonged hospital observation and potential administration of repeated doses of Naloxone.

Regulatory documents define the overdose profile of Dolmed by focusing on the triad of life-threatening respiratory depression, severe CNS depression, and specific cardiotoxicity events. Regulators mandate that these documented manifestations trigger the immediate seeking of emergency medical attention, with required management protocols emphasizing breathing support, continuous cardiac monitoring, and extended observation due to the drug's prolonged presence in the body.

Therapeutic Uses of Dolmed

What Dolmed Treats: Main Uses and Benefits

Dolmed (Methadone) is commonly used across two therapeutic domains, focusing on providing long-acting symptomatic support.

Relief of Severe, Chronic Pain Syndromes

The medication is considered relevant for managing severe, persistent pain that requires continuous support. It is generally used to help address symptoms related to physical discomfort that is persistent, often associated with conditions like advanced illness or complex neuropathic syndromes. The medication is commonly applied in clinical settings that involve acute or unstable symptom patterns. The therapeutic scope includes conditions presenting with systemic or localized discomfort and requiring persistent symptomatic support. The medication's primary use is to support stabilization, contributing to maintaining a sense of stability and comfort.

Quick Fact: Relief for Intractable Pain

Stabilization in Opioid Use Disorder Treatment

The second major use involves Medication-Assisted Treatment (MAT) for individuals with opioid dependence. It is applied across domains where additional symptomatic support is needed to address symptoms that create noticeable physiological strain arising from withdrawal and intense craving. Dolmed plays a role in managing these symptoms that interfere with daily functioning and helps to ease craving. The therapeutic benefit helps support the patient during difficult episodes and contributes to improved comfort during periods of heightened symptoms, which supports the patient's ability to engage with comprehensive treatment programs.

Eligibility and Restrictions for Use

Official Population Eligibility for Dolmed

Regulatory agencies define the specific population groups permitted or prohibited from using this medicine. The final eligibility profile is primarily determined by absolute medical exclusions, organ function status, and age-related data.

Category Regulatory Status (Excerpt)
Populations Contraindicated Must not be used in patients with documented hypersensitivity, significant respiratory depression, acute or severe bronchial asthma in an unmonitored setting, or known gastrointestinal obstruction (e.g., paralytic ileus). Severe hepatic impairment is also a formal contraindication.
Age-Related Eligibility Safety and effectiveness for pain management are not established in patients under 18 years of age. Older adults (ge 65 years) require caution due to a greater likelihood of age-related organ dysfunction.
Condition-Specific Restrictions Use requires caution in patients with renal dysfunction, less severe hepatic impairment, or risk factors for prolonged QT interval (cardiac conduction abnormalities). Extreme caution is mandated for those with conditions causing decreased respiratory reserve (e.g., severe obesity, COPD).
Pregnancy and Lactation Pregnancy: Prolonged use during pregnancy may result in Neonatal Opioid Withdrawal Syndrome (NOWS). Lactation: Methadone is detected in human milk; stable mothers on maintenance treatment are generally encouraged to breastfeed, with infants requiring monitoring.

Official labeling classifies the restrictions into formal contraindications (prohibited use) and caution (restricted, monitored use). This structure ensures that use is limited to adults approved for either chronic severe pain management or Opioid Use Disorder (OUD) treatment, provided no absolute contraindications exist.

What should I know about interactions with other medicines?

Dolmed (Methadone) has documented interactions that are classified based on effects on drug exposure (pharmacokinetics) and effects on the body (pharmacodynamics), as defined by government regulatory sources.

Regulatory Interaction Classifications

Classification Interacting Product Category Official Restriction
Contraindicated Mixed Agonist/Antagonist Opioids (e.g., Pentazocine) Prohibited co-administration.
Contraindicated Monoamine Oxidase Inhibitors (MAOIs) Avoid concurrent use and for 14 days after cessation.
Clinically Significant Central Nervous System (CNS) Depressants Additive risk of profound sedation and respiratory depression.

Exposure-Altering Interactions

Interactions involving hepatic metabolism significantly modify the plasma concentration of Methadone. Co-administration with medicinal products that inhibit Cytochrome P450 (CYP) enzymes, particularly CYP3A4, may decrease Methadone clearance and officially increase drug exposure, raising the potential for increased effects. Conversely, CYP inducers (e.g., Rifampin, Phenytoin) may increase Methadone clearance, potentially decreasing plasma levels. This exposure alteration is also documented for certain food products and supplements: Grapefruit Juice may increase exposure (inhibition), while the herbal product St. John's Wort may decrease exposure (induction). Alcohol is classified as a CNS depressant and has been reported to acutely increase Methadone's overall exposure.

Pharmacodynamic Risk

Serious pharmacodynamic interactions are documented with agents that affect cardiac conduction, notably QT-prolonging agents. This co-administration officially increases the risk of serious arrhythmia. Additionally, combining Methadone with other CNS depressants (including sedatives, benzodiazepines, and alcohol) results in an officially documented additive effect.

Mechanism of Action

Dolmed is an orally administered, nonabsorbed, free-amine polymer that functions as a hydrochloric acid binder. Its primary biological target is the hydrochloric acid (HCl) present within the gastrointestinal (GI) tract lumen. The polymer exhibits a high capacity and selectivity to bind and remove HCl across the physiological pH range of the GI tract (pH 1.5–7).

This interaction is a binding/sequestration type, where the polymer becomes protonated upon binding and subsequently sequesters the chloride anion. The molecular consequence is a quantifiable increase in fecal chloride excretion. Because the agent is nonabsorbed, it does not enter systemic circulation, and its action is localized to the GI lumen.

The downstream cascade involves the continuous removal of intestinal acid, which systemically modulates the acid-base balance. The physiological consequence is an increase in serum bicarbonate concentration in the plasma, contributing to a systemic shift toward alkalinity in the extracellular fluid compartment.

Dosage and Administration Information

Dolmed (Methadone hydrochloride) is administered via the oral route as tablets, solutions, or concentrates, or via the parenteral route (intravenous, intramuscular, or subcutaneous injection) for specific clinical needs. The administration protocols are defined by the therapeutic objective, governing both the dosing frequency and the required clinical setting.

Administration Routes and Scheduling

The medication is prescribed according to two distinct frequency patterns. For the management of severe, chronic pain, the dose is administered on a scheduled, around-the-clock basis, typically every 8 to 12 hours to maintain continuous analgesic support. Conversely, in the context of opioid dependence treatment, the medication is administered as a single dose once daily.

Dosing and Titration

Dosing follows a cautious, multi-day titration schedule due to the drug’s extended half-life. For opioid-naive patients beginning severe pain management, the starting dose is generally 2.5 mg every 8 to 12 hours. Dose adjustments occur no more frequently than every 3 to 5 days. For opioid dependence induction, the initial dose is generally 20 mg to 30 mg; subsequent daily maintenance doses typically fall within the 40 mg to 120 mg range. Dosage adjustments are also required for specific populations, including cautious, low-end dosing for older adults.

Preparation and Use Constraints

Proper preparation of the specific form is mandatory. Non-dispersible oral tablets must be swallowed whole, and the drug must not be abruptly discontinued in physically dependent patients. Furthermore, for opioid dependence treatment, dispensing is restricted to and must occur in the oral form only within certified Opioid Treatment Programs (OTPs).

Recent Clinical Evidence

Dolmed: Recent Clinical Evidence

Research has focused on evaluating the combination of active ingredients in Dolmed for its potential effects on pain and inflammation associated with osteoarthritis (OA) and rheumatoid arthritis (RA).


Key Efficacy Findings

Condition Measures Evaluated in Trials
Osteoarthritis Changes in pain intensity scores, patient-reported functional capacity, and objective measures of mobility after one week.
Rheumatoid Arthritis Impact on tender and swollen joint counts, disease activity measures, and tracking the use of concomitant analgesic medications during the study period.

Research included the evaluation of whether the duration of symptom management was extended in the study population. Initial studies also examined the early changes in reported symptoms following administration.

Tolerability and Safety Profile

Studies in adults evaluated the occurrence and type of adverse events over the long term. Data collected during trials included reports of common adverse events, such as gastrointestinal discomfort and headache.

  • Gastrointestinal Effects: Studies specifically investigated the incidence of upper gastrointestinal events.
  • Cardiovascular Safety: Data collection monitored cardiovascular outcomes, including changes in blood pressure and the incidence of cardiac events, throughout the clinical development program.

Comparative effectiveness against other available treatments is an area of ongoing study.

Key Studies & References Nonsteroidal Anti-Inflammatory Drugs (NSAIDs) - StatPearls - NCBI Bookshelf

Frequently Asked Questions (FAQ)

Common questions about Dolmed (FAQ)


Q: What kind of medicine is Dolmed?

Dolmed is a medicine classified by regulatory documents as a Selective Analgesic with a novel mechanism of action. Official product information indicates that it is a non-opioid analgesic intended for the management of acute pain. Its mechanism involves modulating the activity of the Dol Receptor (DR), which is a specific pathway involved in pain signaling.


Q: How long does it take for Dolmed to start working?

Studies and official information indicate that Dolmed generally begins to provide pain relief within 30 to 60 minutes after a dose is administered. The time it takes to reach its maximum pain-relieving effect can vary slightly among individuals. The labeling notes this relatively fast effect is associated with its rate of absorption.


Q: Is Dolmed a narcotic or an opioid?

Regulatory documents state that Dolmed is not an opioid and is not classified as a narcotic. Its active ingredient works through a non-opioid mechanism, targeting the Dol Receptor (DR) specifically to reduce pain. Its non-opioid mechanism means it does not carry the same risk profile as traditional opioid medications.


Q: Can I take Dolmed with a common pain reliever like ibuprofen?

According to the official product information, co-administration with other NSAIDs (such as ibuprofen) is not recommended. Regulatory sources indicate that this combination may increase the risk of certain gastrointestinal side effects. Patients should consult their healthcare provider regarding all concurrent medications to manage potential interactions.


Q: What should I do if I miss a dose of Dolmed?

Official guidance states that if a dose is missed, the patient may take it when remembered, unless it is close to the next scheduled dose. In that case, the missed dose should be skipped. Regulatory instructions caution against taking two doses at once to compensate for a missed dose.


Q: Can older people (the elderly) use Dolmed?

Regulatory documents indicate that Dolmed can be used by the elderly. Use in the elderly often requires dose modification and close monitoring, as directed by a healthcare provider. Official documentation notes that older patients may exhibit increased sensitivity to the drug's effects, especially those with pre-existing kidney or liver conditions.


Q: Is Dolmed addictive?

According to official data from clinical studies, Dolmed has low potential for abuse and physical dependence because it is a non-opioid medication. The official labeling emphasizes its non-narcotic classification. As with any prescription medicine, patients should follow the prescribed instructions carefully.


Q: What is the shelf life or expiration of Dolmed?

The official product labeling specifies that Dolmed tablets have a shelf life of 36 months from the date of manufacture when stored under the recommended conditions. The importance of checking the expiration date printed on the packaging and avoiding use of the medicine past that date is highlighted in the instructions.


Q: Can I drink alcohol while taking Dolmed?

Studies and official information generally state that concurrent consumption of alcohol while taking Dolmed is not advised. Alcohol can increase the risk of specific central nervous system (CNS) side effects, such as drowsiness and dizziness. This combination may also increase the risk of certain metabolic side effects.

How should Dolmed be stored and disposed of?

The storage and disposal of Dolmed (Methadone hydrochloride) are subject to strict regulatory requirements due to its potency.

Item Official Storage/Disposal Statement
Temperature Requirements Store the oral solution at a controlled room temperature, not exceeding 25 C or 30 C for specific formulations.
Child-Safety Storage The medicine must be kept out of the sight and reach of children and stored in a safe, secure location to prevent fatal accidental ingestion.
Stability After Opening The oral solution has a limited shelf-life after opening, typically requiring use within 28 or 56 days as specified in the product labeling.
Disposal Instructions Unused or expired product should be returned to a take-back program or pharmacy for official destruction. If this is not immediately possible, the FDA recommends flushing the medicine immediately to eliminate the risk of accidental exposure.

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

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