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Dolzam Uno

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Dolzam Uno

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Treatment option: Pain, Chronic Pain

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.

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Overview of Dolzam Uno

What is Dolzam Uno? An Overview

Property Description
Active ingredient Tramadol Hydrochloride
Form Modified-Release (Sustained-Release) Tablet or Capsule
Pharmacological class Centrally Acting Synthetic Opioid Analgesic
Common use Systemic symptomatic relief from moderate to moderately severe pain
Origin Synthetic substance

What is Dolzam Uno and How is it Classified?

Dolzam Uno is a prescription-only medicine that is fundamentally classified as a centrally acting synthetic opioid analgesic, which means it acts directly upon the central nervous system to alter pain perception. The compound, Tramadol Hydrochloride, is chemically related to other opioid-based pain relievers, but it exhibits a unique, multimodal mechanism that contributes to its overall profile. This classification establishes the medicine’s role in providing systemic discomfort management, differentiating it from topical preparations or medications that solely target local inflammation.

Composition and Pharmaceutical Form: The Role of Tramadol Hydrochloride

The single active ingredient in this preparation is Tramadol Hydrochloride, a synthetic substance represented by the chemical derivative C16H25NO2. The specific designation Dolzam Uno highlights a primary distinguishing factor: the product is a modified-release preparation, administered via the oral route as a tablet or capsule. This pharmaceutical form achieves a sustained-release characteristic, ensuring a more consistent therapeutic level of the active ingredient in the bloodstream over an extended duration, which is a key attribute for continuous pain management.

General Purpose and Mechanism of Action (High-Level)

The general purpose of the medicine is to provide symptomatic relief, often used in scenarios requiring ongoing relief from moderate to moderately severe pain. The active substance employs a dual-pathway action to achieve this effect: it functions as a weak agonist of the mu-opioid receptor, and simultaneously, it weakly inhibits the reuptake of the natural chemical messengers, norepinephrine and serotonin. This multimodal effect is intended to improve analgesic efficacy by activating descending pain-inhibitory pathways, thereby elevating the individual’s pain perception threshold and delivering systemic relief.

Regulatory References

  1. Tramadol - StatPearls (NCBI Bookshelf)
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What side effects are possible with Dolzam Uno?

Possible Side Effects and Safety Information

The safety profile of the active substance, Tramadol Hydrochloride, is documented in regulatory sources by classifying adverse reactions primarily by frequency and the body system affected.

Official Adverse Reaction Classification

Adverse reactions classified as Very Common (occurring in greater than 10% of patients) typically involve the Gastrointestinal Disorders and Nervous System Disorders. These effects include nausea, dizziness, and somnolence (drowsiness). Reactions categorized as Common (occurring in 1% to 10% of patients) include vomiting, constipation, headache, dry mouth, and sweating.

Serious Regulatory Safety Concerns

Regulatory labeling highlights specific, serious safety constraints and risks:

  • Respiratory Depression: The risk of serious, life-threatening, or fatal respiratory depression is documented, particularly during the initiation of therapy or following a dose increase. This risk is of particular concern in elderly and debilitated patients.
  • Seizures and Serotonin Syndrome: The potential for seizures is noted, even within the recommended dosage range. The risk of developing Serotonin Syndrome is explicitly documented, especially when the substance is used alongside certain other serotonergic agents.
  • Dependence and Adrenal Insufficiency: Prolonged use is officially associated with the development of physical dependence and a withdrawal syndrome upon abrupt discontinuation. Chronic use may also lead to adrenal insufficiency.

Population and Duration Constraints

The label includes safety constraints related to organ function. For extended-release preparations, use is generally not recommended in individuals with severe renal impairment or severe hepatic impairment due to the risk of increased drug exposure and accumulation.

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Overdose and Emergency Response

Overdose and when to seek help

The officially documented presentation of an overdose may involve signs of central nervous system (CNS) depression, profound sedation, and eventually coma. Manifestations also include life-threatening respiratory depression, severe hypotension, and neurological events such as convulsions (seizures).

Overdose-Related Factors and Classification

Accidental ingestion of even a single dose, particularly by a child, is documented in regulatory warnings as potentially resulting in a fatal overdose. The risk of life-threatening respiratory depression is also noted to be increased in ultra-rapid metabolizers and in elderly or debilitated patients. The overall profile is classified by its potential for severe outcomes, including respiratory arrest, cardiovascular collapse, and the onset of Serotonin Syndrome.

Emergency Actions Required

Regulatory documents state that when overdose is suspected, immediate medical attention and urgent referral to a hospital are required. Primary intervention is focused on maintaining adequate ventilation and circulatory support. Naloxone is specified as the intervention to reverse the respiratory depression component, though its effect may be partial. Supportive treatment includes controlling seizures with diazepam and noting that haemodialysis is not suitable for detoxification alone.

These official classifications mandate that urgent medical help be sought immediately due to the documented risk of systemic collapse and the necessity for continuous professional monitoring and specific supportive measures, as detailed in the official prescribing information.

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Therapeutic Uses of Dolzam Uno

What Dolzam Uno treats: Main Uses and Benefits

The core purpose of Dolzam Uno is to provide supportive relief for persistent, distressing symptoms. This type of medication is commonly used to help manage pain that is continuous and may be used when supportive symptom management is appropriate.

Dolzam Uno is generally used in adults to provide continuous, systemic symptomatic relief from moderate to moderately severe chronic pain. This is relevant in conditions characterized by periods of heightened symptoms, such as persistent discomfort associated with osteoarthritis or chronic low back pain. The medication is typically considered when symptoms create noticeable functional strain and prior analgesic treatment experience has not provided adequate relief from non-opioid analgesic agents.

A key benefit is offering supportive relief when symptoms interfere with routine activities. Its formulation contributes to maintaining stability in the patient's symptom experience over extended periods, which helps ease the overall symptom load and may assist with maintaining functional stability when pain is more noticeable.


Quick Fact: Relevant for Managing Persistent Moderate Pain

Regulatory References

  1. NIH MedlinePlus overview of Tramadol use
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Eligibility and Restrictions for Use

Dolzam Uno is officially approved for use in adults (18 years and older) who require ongoing, long-term management of moderate to moderately severe pain. The regulatory label defines specific contraindications and restricted populations that must be observed.

Absolute Contraindications

Use of this medicine is strictly prohibited in several populations. It is contraindicated in all children younger than 12 years of age, and also in adolescents under 18 following tonsillectomy or adenoidectomy. Patients must not use Dolzam Uno if they have severe respiratory depression or acute/severe bronchial asthma in unmonitored settings, a known hypersensitivity to tramadol, or a history of acute intoxication. It is also prohibited for patients currently taking, or who have taken, a Monoamine Oxidase Inhibitor (MAOI) within the last 14 days.

Population and Organ Function Restrictions

The medication is not recommended for use in individuals with severe renal impairment or severe hepatic impairment. Safety and effectiveness of the extended-release formulation have not been established in children under 18. Use is also not recommended for breastfeeding mothers and requires special caution in patients over 75 years of age due to prolonged drug elimination. Use during pregnancy is restricted to when the potential benefit justifies the risk, and patients with epilepsy or a history of seizures should only use the medicine under compelling circumstances.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents detail specific constraints regarding the co-administration of Dolzam Uno (Tramadol Hydrochloride) with other substances and products. These constraints are categorized by the resulting risk, including effects on the central nervous system (CNS) and alterations to drug exposure.

Interaction Type Interacting Agents (Examples) Constraint Classification
Serotonergic Risk SSRIs, SNRIs, Triptans Potentially Life-Threatening
CNS Depression Benzodiazepines, other Opioids, Alcohol High Risk of Profound Sedation
Metabolism Alteration CYP2D6/CYP3A4 Inhibitors and Inducers Altered Exposure/Reduced Efficacy

Documented Regulatory Restrictions

  • Contraindicated Combinations: Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is strictly prohibited. A mandated separation period of at least 14 days is required after discontinuing an MAOI before Dolzam Uno may be administered.
  • Serotonin-Related Risk: The use of other serotonergic medicines (such as specific antidepressants or migraine treatments) is officially noted to enhance the risk of developing Serotonin Syndrome.
  • Metabolic Modification: Agents that inhibit the CYP2D6 or CYP3A4 enzyme systems may increase the concentration of the parent drug, while CYP3A4 inducers (e.g., Carbamazepine, St. John's Wort) are documented to reduce its plasma concentration, potentially diminishing the expected effect.
  • Prohibited Substances: The co-consumption of alcohol (ethanol-containing beverages) is prohibited due to the significant and increased risk of profound sedation and respiratory depression.
  • Population Note: A contraindication exists for use in specific populations identified as CYP2D6 Ultra-Rapid Metabolizers, owing to the risk of life-threatening respiratory depression from excessive active metabolite exposure.
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Mechanism of Action

How Dolzam Uno Works

Dolzam Uno modulates neurotransmission within the central nervous system through a dual mechanistic pathway involving both opioidergic and monoaminergic systems. Following administration, the parent compound undergoes O-demethylation, primarily catalyzed by cytochrome P450 2D6 (CYP2D6), to form the active metabolite, O-desmethyl-tramadol (M1).

The M1 metabolite acts as an agonist at the mu-opioid receptor (mu-OR), a G protein-coupled receptor. Activation of mu-ORs initiates an intracellular cascade that inhibits ascending nociceptive signal transmission in the dorsal horn of the spinal cord. Concurrently, the parent compound's enantiomers engage the non-opioidergic component by weakly inhibiting the reuptake of the monoamine neurotransmitters, serotonin and norepinephrine, from the synaptic cleft.

This increased concentration of monoamines strengthens the descending inhibitory pathways originating from the brainstem. The synergistic interaction between mu-OR activation and enhanced monoamine signaling results in the overall modulation of signal flow at the system level.

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Dosage and Administration Information

Dolzam Uno is administered exclusively via the oral route as an extended-release tablet or capsule containing Tramadol Hydrochloride. Its formulation is intended for once-daily (q.d.) administration to achieve consistent systemic exposure.

Dosing and Schedule

The standard regimen for non-tolerant adults typically initiates with a 100 mg dose taken once per day. Adjustments, if needed, are generally made in 100 mg increments, but only after a minimum of five days has passed between adjustments. The maximum approved dose for the extended-release formulation is 300 mg per day. This medicine is intended for around-the-clock management and is not indicated for "as-needed" use. Dosing should be consistent, taken at approximately the same time each day, and may be administered with or without food, provided a consistent manner is maintained.

Administration Constraints and Tapering

Due to the controlled release mechanism, the tablet or capsule must be swallowed whole with liquid. The physical manipulation of the product—such as cutting, crushing, chewing, or splitting—is prohibited, as it would disrupt the extended release. Administration should also not be concurrent with any other product containing tramadol. Treatment is intended for long-term use, and when the course of use is discontinued, the dosage must be gradually reduced (tapered) rather than stopped abruptly. Specific caution and potential interval extension are outlined for older adults, and the extended-release form is not recommended for individuals with severe hepatic or renal impairment.

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Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Key Findings

Research has explored whether the drug is associated with a reduction in pain, and research has included studies on its use over extended periods.

One large-scale trial reported that individuals experienced a change in pain levels in the first week. The study evaluated the time course of the reported effect. This trial, a systematic review and meta-analysis, indicated that the reduction in pain scores associated with the drug was generally small, and the certainty of this evidence was low.

Studies of the combination of compounds examined whether they were associated with a reduction in joint inflammation. Research has not yet established whether the drug is superior to other, non-drug treatments. Further analysis has indicated that the potential for serious adverse events, including cardiac events, may be increased, with moderate certainty of evidence, suggesting limited benefits may be outweighed by associated risks.

Studies on Combination Treatment and Mobility

A systematic review evaluated whether the drug was associated with changes in mobility in severe cases. Studies continue to examine the role of this drug in managing chronic conditions.

Research further explored whether combining the treatment with physical therapy was associated with changes in long-term outcomes for individuals. While some studies reported a relationship, the evidence remains limited, and further research is ongoing to establish clarity on the effects of combined use.

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Frequently Asked Questions (FAQ)

Common questions about Dolzam Uno (FAQ)


Q: Is Dolzam Uno considered a strong pain reliever?

Regulatory information indicates that Dolzam Uno is a centrally acting opioid analgesic. It is specifically intended for the management of pain that is classified as moderate to moderately severe. It acts on the central nervous system to affect how the body perceives pain.


Q: What makes Dolzam Uno different from over-the-counter pain medicines?

According to official product information, Dolzam Uno works differently from common over-the-counter medicines. Its effect is achieved through a dual mechanism in the central nervous system: it binds to mu-opioid receptors and also weakly affects brain chemicals like norepinephrine and serotonin. This dual action provides systemic relief.


Q: How quickly should I expect Dolzam Uno to start working for my pain?

Dolzam Uno is an extended-release formulation, meaning it is designed to release its active ingredient slowly. Regulatory documents indicate that the medicine is formulated for continuous pain management and not for acute, on-demand relief. Peak concentrations are typically reached several hours after it is taken.


Q: How long does the pain relief from Dolzam Uno typically last?

The extended-release formulation of Dolzam Uno is specifically designed for once-daily (q.d.) administration. This schedule is intended to provide pain management for approximately 24 hours.


Q: Is Dolzam Uno meant for acute, short-term pain or for chronic, long-term pain?

Official labeling states that Dolzam Uno is indicated for the management of pain that is severe enough to require daily, around-the-clock, long-term opioid treatment. It is not generally indicated for pain that is acute or short-lived.


Q: What does 'Uno' mean in the name Dolzam Uno—does it relate to the dosage or how often it's taken?

The 'Uno' designation generally signifies that this formulation is designed for once-daily use. This reflects the sustained-release nature of the tablet or capsule, which aims to provide consistent therapeutic levels over a full day.


Q: Are there known interactions between Dolzam Uno and over-the-counter medications?

Regulatory documents mention the risk of interactions with medicines that can cause CNS depression (such as some sedating antihistamines) or those that can lower the seizure threshold. It is always important to discuss all over-the-counter medicines, supplements, or herbal products with a healthcare provider to check for potential interactions.


Q: Is it safe to take Dolzam Uno with muscle relaxants?

Official warnings note that co-administration with other central nervous system (CNS) depressants, which includes muscle relaxants, is associated with a high risk. This combination may lead to profound sedation, serious respiratory depression, coma, or death.


Q: Can Dolzam Uno affect my ability to drive or operate machinery?

Yes, regulatory warnings state that the medicine may cause side effects such as somnolence (drowsiness) and dizziness. Due to the risk of drowsiness and dizziness, regulatory information cautions against driving or operating hazardous machinery until a patient knows how the medication affects them.


Q: Is Dolzam Uno safe for use in children?

Official prescribing information strictly contraindicates this medicine for all children younger than 12 years of age. The safety and effectiveness of the extended-release formulation have not been established for individuals under 18 years of age.


Q: Can older adults or seniors take Dolzam Uno safely?

Use in older adults, particularly those over 75 years of age, requires special caution. This is because the body may eliminate the drug more slowly. Official guidance notes that dose adjustments or changes to the dosing interval may be necessary for this population, who are at a higher risk of serious side effects, including respiratory depression.


Q: Are there any known issues with Dolzam Uno and glaucoma?

Adverse events affecting the eyes have been reported, including blurred vision and changes in pupil size. Patients with pre-existing eye conditions like glaucoma should discuss this information with a healthcare provider.


Q: Does taking Dolzam Uno over a long time make it less effective (tolerance)?

Official warnings state that tolerance may develop with repeated administration over time. Tolerance means that a patient may require a higher dose to achieve the same level of pain relief. A patient's treatment goals and response to the medicine should be regularly reviewed by a healthcare provider.


Q: Does Dolzam Uno affect mood or cause emotional changes?

Yes, official safety information reports that psychic adverse reactions may occur. These can include changes in mood, such as feelings of elation or, occasionally, dysphoria. Other effects like anxiety, confusion, or nightmares have also been noted.


Q: Can Dolzam Uno be used for types of pain not directly related to an injury?

Official indications for use are for the management of pain that requires daily, around-the-clock, long-term treatment. The medicine is not restricted solely to pain caused by physical injury.


Q: How is Dolzam Uno metabolized in the body?

The drug is mainly processed in the liver by specific enzymes, primarily CYP2D6 and CYP3A4. This process creates the active metabolite, which provides much of the pain-relieving effect, and the drug is then eliminated from the body via the kidneys.


Q: What are the guidelines regarding use of Dolzam Uno in people with breathing issues or asthma?

The medicine is strictly contraindicated in patients with acute or severe bronchial asthma in unmonitored settings, as well as those with severe respiratory depression. It should only be used with particular caution in patients who have pre-existing disorders affecting respiratory function.


Q: Are there any specific dietary restrictions while taking Dolzam Uno?

According to official instructions, there are no specific dietary restrictions for this medicine. It can be taken with or without food. However, it is recommended that a patient maintains a consistent manner (either always with food or always without) to ensure consistent drug exposure.


Q: Does Dolzam Uno affect blood pressure?

Official safety data indicates that effects on blood pressure have been reported. This includes postural hypotension (dizziness when standing up), and rarely, increased blood pressure.


Q: Is it normal to feel a bit 'spaced out' when first adjusting to Dolzam Uno?

Some common side effects reported in official documents include dizziness and somnolence (drowsiness). Less common effects like confusion or delirium may also occur, which could contribute to a feeling of being 'spaced out' while the body adjusts to the medicine.


Q: Why do some people have a different reaction to Dolzam Uno due to genetics?

Reactions can differ due to genetic variations in the CYP2D6 enzyme, which converts the drug into its active form. Individuals with certain genetic variations may process the drug too quickly, and this can put them at a higher risk of adverse reactions, including respiratory depression.


Q: Does Dolzam Uno affect hormones or cause issues like androgen deficiency?

Regulatory warnings indicate that chronic use of opioids may lead to androgen deficiency (low levels of male hormones) due to influence on the hormonal axis. Long-term use is also associated with the risk of developing adrenal insufficiency.


Q: What is the risk of a severe allergic reaction to Dolzam Uno?

Severe allergic reactions, including anaphylaxis, have been reported in official documents. A known hypersensitivity to the drug is listed as a contraindication. Symptoms of a severe reaction can include difficulty breathing, swelling of the face, and hives.


Q: Can Dolzam Uno affect sleep patterns?

Official side effect classifications note both somnolence (drowsiness) and sleep disturbance as potential effects. This indicates that the medication can potentially impact a patient's normal sleep patterns.

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How should Dolzam Uno be stored and disposed of?

How to Store and Dispose of Dolzam Uno

Dolzam Uno (Tramadol Hydrochloride Extended-Release) requires specific storage and disposal protocols as documented in official regulatory labeling.

Storage and Security Requirements

Requirement Condition
Temperature Store at controlled room temperature, generally 20 C to 25 C (68 F to 77 F).
Environment Keep away from excess heat and moisture; do not freeze.
Container Keep the medicine in its original container, which must be tightly closed.
Security Store securely, out of the sight and reach of children and others, to prevent accidental ingestion or misuse.

Disposal Instructions

Unused or expired product should be disposed of promptly to mitigate risk. The official disposal protocol recommends using a drug take-back program or an authorized DEA collector. If these options are unavailable, the medicine may be mixed with an unpalatable substance (e.g., dirt, cat litter), placed in a sealed bag, and discarded in the household trash. Personal information must be removed from the container label prior to disposal.

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

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