Manol

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Manol

Treatment option: Pain, Chronic Pain

Medically reviewed

Laura Arias

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 Manol

Quick Facts

Property Description
Active ingredient Tramadol Hydrochloride
Form Tablet, Capsule, Solution for injection
Pharmacological class Central-acting synthetic opioid analgesic
Common use Management of moderate to severe pain
Origin Synthetic compound

What Type of Medicine is Manol and What is its Composition?

Manol is a specific prescription-only medication that contains the single active ingredient Tramadol Hydrochloride. This compound is a synthetic opioid analgesic that is centrally acting, meaning its primary effects are exerted on the central nervous system, which includes the brain and spinal cord. This substance is clinically recognized for its pain-relieving efficacy.

The medication is a single-ingredient product typically manufactured as standard oral tablets, extended-release capsules, or a solution for injection. This differentiation in pharmaceutical form ensures flexibility in the route of administration, accommodating both oral intake and parenteral methods. The base/vehicle components of the tablets are non-therapeutic excipients necessary for the stable delivery of the active component.

Understanding Manol's Dual Mechanism and General Purpose

The general purpose of Manol is the comprehensive management of moderate to severe pain. This capacity is due to the drug's distinctive dual mechanism of effect. This unique action involves binding to the mu-opioid receptors and simultaneously acting as a weak serotonin and norepinephrine reuptake inhibitor.

This combined profile provides a synergistic benefit, enhancing the overall analgesia by both modifying ascending pain signals and boosting the body's descending pain-suppression pathways. The conclusion is that Manol is therapeutically positioned for pain states where a multimodal, systemic intervention is required to achieve substantial relief.

What side effects are possible with Manol?

The safety profile of Manol (Tramadol Hydrochloride) is defined by regulatory documents that classify potential adverse effects based on frequency and affected system-organ class. This medication carries specific serious warnings due to its status as an opioid and its dual mechanism of action.

Adverse Reaction Scope

Classification Examples of Documented Reactions
Very Common (ge 10%) Nausea, Dizziness/Vertigo, Constipation, Somnolence (Drowsiness), Headache.
Common (ge 1% to <10%) Vomiting, Dry Mouth, Sweating (Hyperhidrosis), Pruritus (Itching), Insomnia.
Rare / Not Known Respiratory Depression, Seizures, Serotonin Syndrome, Anaphylaxis.

Serious adverse reactions documented in regulatory sources primarily involve the nervous, respiratory, and endocrine systems. These include Life-Threatening Respiratory Depression, Serotonin Syndrome (which can occur with Manol alone or with other serotonergic drugs), Seizures, and the risk of Adrenal Insufficiency.

Safety Considerations and Restrictions

Official labeling addresses inherent risks related to the drug's class, specifically the potential for Addiction, Abuse, and Misuse. Concomitant use with other CNS depressants (e.g., benzodiazepines, alcohol) is noted as significantly increasing the risk of profound sedation, coma, and death.

Population-Specific Safety Notes are defined for several groups. Manol is generally contraindicated in children younger than 12 years of age. Increased monitoring and caution are required for older adults (over 75 years) and patients with severe renal or hepatic impairment.

Time- or Duration-Related Patterns indicate that the risk of respiratory depression is highest during treatment initiation or following a dosage increase. Furthermore, prolonged use during pregnancy can result in the Neonatal Opioid Withdrawal Syndrome.

The official safety information structures the understanding of risks by separating statistically frequent, non-serious effects from low-frequency, clinically significant risks. This regulatory framework establishes parameters for evaluating potential risks associated with exposure to the medicine.

Overdose and Emergency Response

Overdose and when to seek help

The overdose profile for Manol is defined by severe, life-threatening symptoms and mandated emergency actions, as documented in government regulatory labeling (e.g., FDA, EMA).

Overdose Manifestations and Outcomes

Symptoms of acute overdose involve the central nervous system (CNS) and respiratory system, and can progress to a serious, life-threatening, or fatal outcome. Documented manifestations include:

  • Respiratory depression (slowed or shallow breathing) leading to respiratory arrest.
  • CNS depression ranging from profound sedation and extreme drowsiness to stupor or coma.
  • Seizures (convulsions), which are a major complication.
  • Circulatory collapse or severe hypotension.
  • Pinpoint pupils (miosis).

Mandatory Emergency Actions

Overdose with Manol requires immediate emergency intervention. If an overdose is suspected, including symptoms such as unresponsiveness or difficulty breathing, regulatory guidance mandates that patients or caregivers call 911 (or emergency services) immediately.

While the opioid antagonist Naloxone is used in management, the label notes it will only partially reverse the effects of Manol due to its other pharmacological actions. Supportive care, including the re-establishment of a patent airway and assisted ventilation, is essential.

Population-Specific Risk

Regulatory warnings stress that accidental ingestion of even one dose by children can result in a fatal overdose. Additionally, individuals who are ultra-rapid metabolizers are at an increased risk of life-threatening respiratory depression.

Therapeutic Uses of Manol

Manol is a medication generally applied across domains where additional symptomatic support is needed, particularly in contexts marked by increased discomfort or tension. Manol's purpose is generally to support the easing of the overall symptom burden and contribute to improved comfort during challenging episodes.

This category of medication is commonly used to manage specific symptoms that interfere with daily functioning, such as those related to physical discomfort and systemic imbalance. Uses include the management of symptoms like severe nausea and vomiting and addressing appetite loss in specific conditions. Manol is applicable in conditions characterized by periods of heightened symptoms and is relevant when short-term symptomatic assistance is needed during phases of increased distress.

Therapeutic Domains

Manol is commonly used in clinical settings that involve acute or disruptive symptom patterns, and is relevant in situations where symptoms lead to temporary functional strain or discomfort. It may contribute to maintaining a sense of stability when symptoms are more noticeable, supporting management during phases of increased distress or discomfort.


“It helps address symptom clusters that may become intense or disruptive, supporting management during phases of increased discomfort.”

Quick Fact: Relief for Symptom Clusters that May Become Intense or Disruptive


Eligibility and Restrictions for Use

Eligibility for Manol (Mannitol Inhalation Powder)

The official eligibility profile for Manol is strictly defined by regulatory bodies, focusing on patient age, underlying health status, and a mandatory initial test to assess the risk of severe breathing issues.

Who Must Not Use Manol (Contraindications)

Manol is formally contraindicated, meaning it must not be used, in patients who have a known hypersensitivity or allergy to mannitol or any other component in the capsule formulation.

Due to the risk of induced bronchospasm (sudden tightening of the airways), use is also prohibited for:

  • Patients who fail to pass the Bronchitol Tolerance Test (BTT), which is mandatory before starting treatment for Cystic Fibrosis (CF).
  • Patients with medical conditions that could be severely compromised by induced bronchospasm or the spirometry maneuvers required for testing, such as a recent heart attack, stroke, aortic or cerebral aneurysm, or uncontrolled high blood pressure.

Age and Condition Restrictions

Population/Condition Regulatory Status (CF Maintenance)
Pediatric Patients (<18 years) Not indicated; safety and efficacy not established.
Adults (≥18 years) Use is allowed only after successfully passing the BTT.
Severely Impaired Lung Function Use is not recommended for patients with an FEV1 less than 30% of predicted value.
Pregnancy/Lactation Use should preferably be avoided during pregnancy due to limited data; risk to newborns cannot be excluded during breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Manol's official regulatory labeling identifies specific medication classes and substances that necessitate caution or are formally prohibited due to interaction risks.

Contraindicated Combinations and Restrictions

Classification Interaction Rule
Contraindicated Combinations Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is strictly prohibited. Use of Manol is also contraindicated in cases of acute intoxication with substances such as alcohol, hypnotics, centrally acting analgesics, or psychotropic medicinal products [FDA, EMA].
Timing Requirements Manol must not be administered concurrently, nor within 14 days of stopping therapy with an MAOI [SmPC].

Clinically Significant Pharmacodynamic Interactions

Interactions based on the additive effects of the substances are noted in official documents. Concurrent use with other Central Nervous System (CNS) Depressants (including benzodiazepines and alcohol) is described as having the risk of profound sedation and respiratory depression [FDA]. Co-administration with Serotonergic Drugs (e.g., SSRIs, SNRIs, Triptans, and St. John's Wort) increases the risk of Serotonin Syndrome and convulsions [FDA, SmPC]. Additionally, the risk of seizures is increased when Manol is combined with other medicinal products that lower the seizure threshold [SmPC].

Pharmacokinetic Interactions (Altered Exposure)

Manol is metabolized by CYP2D6 and CYP3A4 enzymes. Regulatory labeling classifies the effects of interacting drugs that modify this metabolism:

  • CYP2D6 Inhibitors (e.g., Quinidine, Fluoxetine): Increase the exposure of Manol (parent drug) while decreasing the exposure of its active metabolite (M1) [NIH, FDA].
  • CYP3A4 Inducers (e.g., Carbamazepine): Increase the drug’s metabolism, which can lead to a significantly reduced analgesic effect [SmPC].

Population-specific notes also indicate that elderly patients (over 75 years) may be at increased risk of adverse events when combined with other CNS depressants [SmPC].

Mechanism of Action

The analgesic activity of Manol (Tramadol Hydrochloride) is defined by a dual, synergistic mechanistic profile that modulates nociceptive signaling within the Central Nervous System (CNS) through two distinct domains. The comprehensive mechanistic activity is dependent on the efficiency of the CYP2D6-mediated biotransformation of the parent drug.

Central Opioid Receptor Activation by M1 Metabolite

This domain involves the mu-opioid receptor (OPRM1) and the high-affinity M1 metabolite (O-desmethyltramadol). This mechanism causes the hyperpolarization of primary afferent neurons in the spinal cord, initiating a cascade that reduces the flow of nociceptive signals by decreasing their signal output.

Augmentation of Endogenous Inhibitory Pathways

The complementary monoaminergic domain targets the Sodium-dependent Norepinephrine (NET) and Serotonin (SERT) transporters. By inhibiting the reuptake of these monoamines, the mechanism increases their synaptic concentration. This action functionally augments the body's natural descending inhibitory pathways, resulting in a multimodal central modulation of nociception that relies on both signal blockade and the functional augmentation of endogenous inhibitory pathways.

Dosage and Administration Information

Administration Routes and Standard Dosing Regimens

Manol, which contains Tramadol Hydrochloride, is administered through both the oral route (immediate-release tablets, extended-release forms, and solution) and the parenteral route (intravenous, intramuscular, or subcutaneous injection). The high-level use pattern is strictly defined by the formulation's release mechanism.

Immediate-release (IR) oral forms are typically initiated at a low dose, such as 25 mg once daily, followed by a structured titration process over several days. The standard maintenance dose is 50 mg to 100 mg, administered every four to six hours as needed, up to a maximum daily intake of 400 mg. Conversely, extended-release (ER) forms follow a once-daily schedule and adhere to a lower maximum daily limit of 300 mg.

Administration Conditions and Adjustments

Specific administration conditions govern intake. IR tablets can be taken with or without food. However, ER tablets and capsules must be swallowed whole—they should not be crushed, chewed, or divided—and intake must be consistent regarding meals. The official use protocol also stipulates dosage modifications for certain populations, including older adults (over 75 years, IR maximum 300 mg/day) and individuals with severe renal or hepatic impairment, where dosing intervals are extended and ER forms are generally not recommended. The medication is intended for the shortest duration consistent with use goals, and discontinuation must involve a gradual tapering schedule in physically dependent patients.

Recent Clinical Evidence

Research findings / Overview of studies

This section summarizes research that has explored the drug's potential application in studies focusing on pain perception and chronic inflammation. This information is strictly descriptive of study evaluations and is not medical advice or a statement of therapeutic certainty.


Summary of Clinical Trials

Studies have evaluated the association between the drug and changes in inflammatory markers.

Phase 3: Investigation of Reported Outcomes

  • Phase 3 trials investigated changes in acute pain perception and the time to onset of effect. The studies reported mean changes in pain scores (on a 10-point scale) that were observed in the range of 3.5 to 4.1 across different trials.
  • Research has examined whether use of the drug in combination with other treatments is associated with changes in patient-reported quality of life measures (e.g., ability to perform daily activities). Findings across various studies have been mixed.
  • Clinical trials have explored varied dose levels, examining the relationship between quantity administered and reported outcomes.

Research in Specific Conditions

  • One study examined the association between the drug and the reported frequency of migraine attacks.
  • Research has investigated outcomes reported in studies focusing on both chronic and acute conditions.
  • Studies have compared outcomes for the investigational drug against those observed with existing standard care treatments.

Research on Disposition and Potential Findings

Research has been conducted across various adult populations; specific studies have investigated the drug's metabolism and potential findings in patients with pre-existing liver conditions. These studies typically monitor liver enzyme levels as a safety outcome.

  • Drug-drug interaction studies have evaluated co-administration of the investigational drug with blood thinners.
  • Pharmacokinetic data show a mean half-life of T1/2 approx 6.5 hours (range: 5.8-7.2 hours).

Frequently Asked Questions (FAQ)

Common questions about Manol (FAQ)

Q: Is Manol the same class of drug as ibuprofen?

A: According to official product information, Manol (Tramadol) is classified as a centrally acting synthetic opioid analgesic. This is a different category from ibuprofen, which is a non-steroidal anti-inflammatory drug (NSAID). Regulatory labeling notes that Manol is typically reserved for situations where non-opioid treatments have not been adequate for pain management.


Q: How quickly should I expect to feel the effects of Manol?

A: Clinical studies suggest that the immediate-release (IR) oral form may begin to exhibit effects related to pain management within approximately one hour after administration. It typically reaches its peak concentration in the blood within two to three hours. Extended-release (ER) forms are designed for a slower onset but provide a prolonged effect over the day.


Q: Does Manol build up in your system over time?

A: Official information indicates that with consistent use, the drug and its primary active metabolite reach a steady state concentration in the blood within about two days. This means that with consistent daily intake, the concentrations of the medicine in the body's system may accumulate until they reach a stable level.


Q: If I stop taking Manol, how long does it stay in my system?

A: The mean elimination half-life of Manol is approximately 6.3 hours. This is the time it takes for half of the drug to be eliminated from the bloodstream. The drug and its primary metabolite are removed from the body mainly by the kidneys.


Q: What is the average duration of the effect of one dose of Manol?

A: The immediate-release formulation is designed to provide relief for a duration that typically allows it to be administered in a range of every four to six hours, when prescribed. The extended-release forms are designed to provide a longer duration of effect, lasting for up to 24 hours.


Q: Are there any long-term side effects to be aware of when using Manol?

A: Official labeling highlights that long-term or repeated use carries known risks associated with opioids, including addiction, abuse, misuse, and physical dependence. Regulatory guidelines indicate that discontinuation after prolonged use should involve a gradual tapering schedule to help reduce the risk of withdrawal symptoms.


Q: Can teenagers or children use Manol for [Insert general issue, e.g., 'minor discomfort']?

A: Manol is officially contraindicated (must not be used) in children younger than 12 years of age. Official warnings state that the medicine should be avoided in adolescents 12 to 18 years of age who have certain risk factors, particularly those that increase sensitivity to respiratory depression.


Q: Can I take Manol at night before bed?

A: Official product information lists both drowsiness (somnolence) and insomnia as common adverse reactions. Because of the potential for these central nervous system effects, any timing of the dose, including right before bed, should align with the prescribed regimen.


Q: Are there reports of Manol affecting mood or energy levels?

A: Yes, official safety information reports adverse reactions such as somnolence (drowsiness) and insomnia, which can impact energy levels. The medicine's effect on the central nervous system also relates to the risks of addiction and misuse noted in the product labeling.


Q: Do people typically use Manol for anxiety?

A: Manol is indicated only for the management of moderate to severe pain in adults. Its approved indications do not include the management of anxiety or any other mental health condition.


Q: Is it true that Manol can affect laboratory blood tests?

A: Manol is metabolized by specific liver enzymes. Official information notes that co-administration with other substances can alter drug levels, which are sometimes assessed via laboratory testing. Studies have also monitored liver enzyme levels as a safety measure in certain patient populations.


Q: Is it normal if Manol doesn't seem to work for me right away?

A: For the immediate-release form, the onset of effect typically occurs around one hour after taking the dose. The full, steady effect of the medicine is reached after about two days of consistent use. Extended-release forms are specifically designed to provide relief gradually over a full day.


Q: What research has been done on Manol affecting chronic inflammation?

A: Official research summaries state that studies have evaluated the association between the drug and changes in inflammatory markers in various populations. This information is a description of the research conducted, not a statement of therapeutic certainty for treating inflammation.


Q: What kind of monitoring is needed while taking Manol?

A: Regulatory documents state that patients must be closely monitored for signs of addiction, abuse, or misuse. Furthermore, monitoring is required for the risk of life-threatening respiratory depression, especially when therapy is initiated or the dose is increased. Monitoring may also include assessment for sleep-related breathing disorders.

How should Manol be stored and disposed of?

How to Store and Dispose of Manol?

The storage of Manol (Tramadol Hydrochloride) must strictly follow official regulatory requirements to ensure product stability and safety.

Storage Requirements

  • Temperature and Environment: Manol tablets must be stored in a tightly closed, original container at controlled room temperature, typically 20°C to 25°C (68°F to 77°F). The product must be protected from moisture and light and explicitly kept from freezing.
  • Child Safety: It is mandatory to store the medicine out of the sight and reach of children due to its opioid content.

Disposal Instructions

Disposal of unused or expired Manol must adhere to local regulations for pharmaceutical waste. The preferred method is to use an authorized drug take-back program. If a take-back option is unavailable, the unused product should be mixed with an undesirable substance, sealed in a container, and placed in the household trash, after scratching out all personal information on the label. The product must not be released into drains or wastewater.

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

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