Dolpaz

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Dolpaz

Treatment option: Pain, Chronic Pain

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 Dolpaz

Property Description
Active ingredient Tramadol Hydrochloride
Form Tablet, capsule, and solution for injection
Pharmacological class Opioid analgesic / Central acting synthetic analgesic
Common use Relief of moderate to moderately severe pain
Origin Synthetic compound

What is Dolpaz and What Class of Medicine Does It Belong To?

Dolpaz is a pharmaceutical product containing the single active substance, Tramadol Hydrochloride, which is classified as a prescription-only, centrally acting opioid analgesic. The primary function of this medication is to provide relief for moderate to moderately severe pain by modulating nerve signals in the central nervous system. Tramadol is described as acting through a dual mechanism involving mu-opioid binding and inhibition of neurotransmitter reuptake. This dual mode of action is widely recognized in clinical practice for its therapeutic efficacy in pain management.

Composition, Form, and Origin

The composition of Dolpaz relies entirely on the synthetic opioid compound Tramadol Hydrochloride, chemically produced rather than derived from natural plant sources like older opioid medications. This specific synthetic origin is what enables its unique, dual-action pharmacological profile. As a single-ingredient product, Dolpaz is manufactured in several standard dosage forms. The availability of both oral preparations (the tablet and capsule) and the sterile solution for injection is characteristic of compounds used to manage acute and chronic pain scenarios, offering flexibility in administration.

The General Purpose of This Analgesic

The overarching purpose of Dolpaz is to diminish the experience of pain. Its activity is characterized by an interplay between two complementary mechanisms: partial binding to the mu-opioid receptors and enhancing the activity of the neurotransmitters serotonin and norepinephrine. This multi-modal effect is clinically recognized for its benefit in cases where pain requires centrally mediated relief, often when non-opioid options have proven inadequate. The combined action ultimately helps to lessen the transmission and perception of significant pain signals within the central nervous system.

Regulatory References

  1. NIH Analgesics Review

What side effects are possible with Dolpaz?

Possible Side Effects and Safety Information

The safety profile for Dolpaz, containing Tramadol Hydrochloride, is documented in official regulatory labeling and is characterized by a range of adverse reactions classified by frequency and affected organ system.


Frequency-Classified Adverse Reactions

The most frequent adverse events listed in regulatory documents are classified as Very Common (occurring in 1 in 10 patients or more), primarily affecting the central nervous system and gastrointestinal tract. These typically include nausea and dizziness.

Adverse reactions classified as Common (occurring in up to 1 in 10 patients) include headache, somnolence, vomiting, constipation, dry mouth, and sweating. The official label also notes psychiatric disturbances, such as confusion and mood changes, within this frequency category.

System-Organ Classes and Serious Events

Adverse effects are grouped by System-Organ Classes, with the Nervous System and Gastrointestinal System being the most frequently associated domains. Less common but officially documented effects (Uncommon to Rare) include reactions in the Vascular, Cardiac, Immune, and Respiratory systems.

Serious adverse reactions explicitly listed in regulatory documentation are rare but clinically significant. These include respiratory depression, convulsions (seizures), and rare anaphylactic reactions. The official safety profile also includes the risk of Serotonin Syndrome, often associated with concomitant use of other serotonergic agents.


Population and Duration Safety Notes

Official labeling addresses specific safety considerations for patient populations. Caution is advised for older adults due to potential changes in drug clearance. For patients with severe hepatic or renal impairment, use is generally restricted due to the increased risk of drug accumulation and heightened exposure.

Regulatory documents indicate that adverse effects like dizziness and nausea are often more prominent at the start of treatment. Furthermore, the safety profile documents the risks of tolerance and dependence associated with long-term, regular use and the potential for withdrawal symptoms upon abrupt discontinuation.

Overdose and Emergency Response

Overdose Scope

Element Official Regulatory Description (Tramadol Hydrochloride)
Documented overdose presentations Central Nervous System (CNS) depression (somnolence, stupor, coma, inability to wake up), respiratory depression (slow/shallow breathing), seizures (convulsions), miosis (pinpoint pupils), and cardiovascular effects (hypotension, tachycardia).
Severe outcomes Overdose can result in life-threatening outcomes, including respiratory failure, potentially fatal Serotonin Syndrome, cardiac arrest, and death.
Population-specific overdose notes Accidental ingestion of even one dose by a child can be fatal. Risk is elevated in ultra-rapid metabolizers and in elderly, debilitated, or cachectic patients.

Emergency Response

Element Required Action (Label-Derived Phrasing)
When immediate medical help is required Seek immediate medical attention or call emergency services if slow breathing, an inability to wake up, or a seizure occurs. Contact a Poison Control Center for guidance.
Antidote and management The antagonist Naloxone is used for the opioid-driven effects, but it may not reverse seizures. Management is symptomatic and supportive, including the maintenance of a patent airway.

Connection to the overall overdose profile

Regulatory documents define the Dolpaz overdose profile by its potential for dual-system toxicity, encompassing severe CNS and respiratory depression, as well as distinct seizure and serotonin syndrome risks. This profile necessitates a strong regulatory mandate to seek immediate medical attention due to the high risk of life-threatening events. Official guidance requires immediate clinical intervention and monitoring, noting the limitations of the opioid-specific antidote against non-opioid effects.

Therapeutic Uses of Dolpaz

What Dolpaz Treats: Main Uses and Benefits

Dolpaz is indicated for symptomatic relief. It is generally used in addressing symptoms related to physical discomfort, especially when symptoms are difficult to manage with initial supportive treatments. The medication is commonly used to help with discomfort that is classified as moderate to moderately severe.

Its therapeutic relevance includes supporting patients with conditions presenting with significant localized discomfort, such as osteoarthritis, chronic low back pain, and managing symptoms during post-operative recovery. The medication is applicable across therapeutic domains that involve acute, sudden onset pain and chronic, persistent discomfort, playing a role in managing symptoms that interfere with daily functioning.

“This analgesic provides supportive relief when symptoms interfere with routine activities, assisting patients during difficult episodes.”

This assistance contributes to improved comfort during periods of heightened symptoms and may help patients cope more steadily with symptom fluctuations, contributing to easing the overall symptom load.


Quick Fact: Relief for Moderate to Moderately Severe Discomfort

Regulatory References

  1. NIH MedlinePlus overview on Tramadol

Eligibility and Restrictions for Use

Official Eligibility and Contraindication Rules

Regulatory agencies have established specific rules defining who is eligible to use Dolpaz (Tramadol Hydrochloride) and who is absolutely prohibited from use.

Classification Population or Condition
Contraindicated Children younger than 12 years of age
Contraindicated Children younger than 18 years of age post-tonsillectomy or adenoidectomy
Contraindicated Patients with significant respiratory depression or severe, acute asthma
Contraindicated Patients taking Monoamine Oxidase Inhibitors (MAOIs) or within 14 days of stopping
Contraindicated Patients with uncontrolled epilepsy or known hypersensitivity to the drug
Not Recommended Breastfeeding Mothers due to risk of serious infant side effects

Eligibility is further restricted by health status:

  • Organ Impairment: Patients with severe hepatic (liver) or severe renal (kidney) impairment are not recommended to use the extended-release formulation [1.7].
  • Age-Related Caution: Older adults (over 75 years) require greater caution due to potential changes in drug elimination [2.3]. Adolescents (12–18 years) with risk factors for breathing problems should avoid use [2.4].
  • Pregnancy: Use is restricted; prolonged use during pregnancy can lead to Neonatal Opioid Withdrawal Syndrome [2.1].

These official statements define the boundaries of who can and cannot use the medicine under regulatory mandate.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Dolpaz is structured around combination restrictions and metabolic pathways established in government prescribing information.

Interaction Type Interacting Substances/Class Official Regulatory Statement
Contraindicated/Timing Monoamine Oxidase Inhibitors (MAOIs) Strictly contraindicated; a minimum 14-day separation period is required.
Pharmacodynamic Risk CNS Depressants (including Alcohol) Use is contraindicated during acute intoxication due to risk of additive CNS depression, sedation, and respiratory distress.
Pharmacokinetic (Exposure) CYP3A4 Inducers (e.g., Carbamazepine) Markedly decrease Tramadol serum concentrations; co-administration is officially not recommended due to reduced analgesic effect.
Pharmacokinetic (Exposure) CYP2D6 Inhibitors (e.g., Quinidine) Increase Tramadol plasma concentrations while decreasing the active M1 metabolite.
Pharmacodynamic Risk Serotonergic Drugs (e.g., SSRIs, Triptans) Enhanced risk of Serotonin Syndrome and increased potential for convulsions/seizures.
Other Coumarin Anticoagulants (e.g., Warfarin) Documented reports of alteration of the anticoagulant effect, including elevation of prothrombin times.
Other St. John's Wort, Grapefruit Juice Cited in official documentation as potential modifiers of the drug's metabolic pathway or systemic exposure.

This structure formally defines restrictions and mandates separation based on the potential for metabolic interference and severe additive effects on the nervous system, as detailed in regulatory documents.

Mechanism of Action

The Dual Mechanism of Dolpaz

The mechanism of Dolpaz (Tramadol) is a dual-action pharmacological profile centralized within the nervous system, combining receptor activation with the inhibition of neurotransmitter reuptake. The drug engages two distinct targets to modulate nociceptive signaling within the central nervous system.

Targeting Nociceptive Pathways

The active metabolite ( M1) acts as an agonist at the mu-opioid receptor ( MOR), initiating cellular signaling that suppresses the release of pain-transmitting chemicals in the spinal cord. Concurrently, the parent drug inhibits the reuptake of Norepinephrine ( NET) and Serotonin ( SERT), which strengthens the descending inhibitory pain pathway. By elevating levels of these monoamines, the drug modulates this pathway through enhanced signaling, facilitating inhibitory function and generating a tonic inhibition of ascending nociceptive signals.

Metabolic Constraint

The mu-opioid receptor mechanism is primarily dependent on the metabolic conversion of the parent drug to the highly active M1 metabolite by the CYP2D6 enzyme. Genetic variations in the activity of this enzyme directly influence the expression of the MOR-mediated physiological response.

Dosage and Administration Information

How Dolpaz is Used: Official Dosing and Administration

Dolpaz (Tramadol Hydrochloride) is administered according to established clinical guidelines. These instructions govern the route, frequency, and maximum amount of the medication to be taken, ensuring its use is consistent with official labeling.

Administration Routes and Standard Forms

Dolpaz is approved for administration through both the oral and parenteral (injection) routes. The specific form determines the method of intake as follows:

Administration Route Official Dosage Form(s)
Oral Immediate-Release (IR) Tablets/Capsules, Extended-Release (ER) Tablets/Capsules
Parenteral Solution for Injection (IV, IM, or SC)

Official Dosing and Frequency

Dosage is defined based on the formulation. Immediate-Release forms are typically taken every 4 to 6 hours as needed, with a maximum daily limit of 400 mg in adults. Extended-Release forms are generally taken once daily, with a maximum limit of 300 mg daily. The initial dose for the IR form often starts at 50 mg to 100 mg.

Essential Procedural Instructions

Proper use is maintained through specific procedural rules:

  • Food Intake: Oral forms of Dolpaz may be taken with or without food.
  • Extended-Release Handling: ER tablets and capsules must be swallowed whole and must not be crushed, split, or chewed to prevent rapid drug release.
  • Duration: The medicine should be administered for the shortest duration necessary for treatment, and the dose must be tapered gradually when stopping treatment to prevent withdrawal.

Population-Specific Use Adjustments

Specific adjustments are mandated for certain patient populations:

  • Older Adults (over 75 years): The maximum daily IR dose should generally not exceed 300 mg.
  • Severe Impairment (Renal/Hepatic): Dosage intervals for the IR form must be extended to 12 hours, and ER forms are generally not recommended due to altered drug elimination.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dolpaz


Evidence for Use in Acute Pain and Post-operative Recovery

Dolpaz was studied for its use in research exploring short-term symptom changes, particularly for individuals recovering from surgery. The main body of research consists of randomized controlled trials (RCTs), which are often applied in studies examining patient-reported experiences shortly after a procedure. These studies were designed to evaluate short-term or episodic symptom patterns for conditions involving acute, moderate to moderately severe discomfort.

Research examined how outcomes related to physical discomfort were reported in the observed populations. Findings describe patterns where patient-reported outcomes describing perceived discomfort were measured during the study period. Follow-up durations were often limited to just a few days or weeks, and these studies do not provide long-term follow-up information.


Evidence for Use in Chronic Pain Conditions

Dolpaz was also evaluated in research involving patients with persistent discomfort, specifically for conditions marked by functional limitations. This evidence primarily comes from trials and systematic reviews exploring intermediate-term responses in conditions presenting with cycles of stability and flare-ups. Studies explored outcomes reflecting daily functioning or activity level, such as the ability to perform routine tasks, and findings suggest patterns related to patient-reported outcomes describing perceived discomfort.

Evidence for Use in Osteoarthritis

For conditions such as osteoarthritis affecting the knees or hips, Dolpaz was studied, sometimes as part of a combination product. Research explored patient-reported outcomes describing perceived discomfort and functional status. Because Dolpaz was often studied in combination with other compounds in this setting, certainty remains low regarding the isolated findings.

Evidence for Use in Chronic Low Back Pain

Research also examined Dolpaz for conditions involving periods of heightened symptoms, specifically chronic low back pain. These studies monitored outcomes related to functional imbalance and activity level. This research provides context, but long-term data for this specific condition remain limited.


Key Evidence Gaps and Areas of Scientific Uncertainty

The research provides context, but there are areas where more information is needed. Evidence quality varies across studies, and comparative evidence is lacking against all other available treatment options for these conditions. In some research scenarios, findings were mixed, suggesting inconsistency across study reports. Data for certain groups remain insufficient, and long-term effects are not fully established by the most rigorous types of studies. This research provides context but not individual predictions; study results reflect the specific conditions under which they were conducted.

Key Studies & References

  1. Tramadol Drug Information (MedlinePlus)
  2. Tramadol Hydrochloride: Clinical Applications and Mechanism of Action (NIH Analgesics Review)
  3. NICE Guideline on Chronic Pain Management (Clinical guideline outlining evidence context)

Frequently Asked Questions (FAQ)

Common questions about Dolpaz (FAQ)

Q: Does this medication cause you to feel tired or dizzy?

Studies and official information indicate that feeling tired (fatigue) and dizziness have been reported as adverse reactions. These effects are listed in the official documents as potential reported adverse reactions associated with the medication.

Q: Can I drink alcohol while taking this medicine?

The official product labeling contains a statement regarding the use of alcohol. This is based on documented potential interaction risks that are listed in the regulatory documents.

Q: Should I take this medicine with food or on an empty stomach?

The regulatory documents state the medicine is administered with food. The administration instructions specify taking the medicine in this manner.

Q: Can children under 12 years old use this product?

According to the official product information, Dolpaz is authorized for use in adults and adolescents aged 12 years and older. The approved patient population does not include children under 12 years of age.

Q: Is it safe to take this drug for long-term (over 6 months) relief?

The official regulatory documents indicate that the product is authorized for short-term use. The current authorized indication does not extend to long-term use, such as over 6 months.

Q: What temperature should I store my medication at?

The official labeling indicates the product should be stored at a controlled room temperature. This storage range is defined as 20 C to 25 C (68 F to 77 F).

How should Dolpaz be stored and disposed of?

How to Store and Dispose of Dolpaz?

Dolpaz (tramadol hydrochloride) must be stored according to regulatory requirements for maintaining stability and ensuring secure handling as a controlled substance.

Storage Conditions

Requirement Official Labeled Condition
Temperature Controlled Room Temperature: 20 C to 25 C (68 F to 77 F)
Protection Store in a tightly closed container and protect from moisture. Do not freeze or expose to excessive heat.
Child Safety Keep securely out of the sight and reach of children and pets at all times.

Disposal Instructions

Official regulatory guidance requires specific disposal methods for unused or expired Dolpaz. The preferred method is using a DEA-authorized drug take-back program. If a take-back option is not immediately available, the medicine is officially listed for flushing down the toilet to prevent the high risk of fatal harm from accidental ingestion.

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

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