Tralgit SR

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Tralgit SR

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 Tralgit SR

Quick Facts

Property Description
Active Ingredient Tramadol Hydrochloride
Form Sustained-Release Tablet (SR)
Pharmacological Class Opioid analgesic, Central-acting analgesic
Common Use Relief of moderate to severe pain
Origin Synthetic Compound

What Type of Medicine is Tralgit SR and What is its Purpose?

Tralgit SR is a Prescription-only medicine whose primary purpose is to provide effective pain relief where non-opioid options are insufficient. It is classified as an Opioid analgesic, a specific group of medicines used to manage moderate to severe pain.

This medication contains the single active ingredient, Tramadol Hydrochloride, a synthetic compound. As a Central-acting analgesic, its function involves modulating pain signals within the brain and spinal cord. Its mechanism is dual: it binds to mu-opioid receptors and also weakly inhibits the reuptake of norepinephrine and serotonin. This dual action means the medicine affects multiple chemical pathways in the nervous system to dampen pain.

Composition and The Significance of the 'SR' Form

The medicinal activity relies solely on Tramadol Hydrochloride and is delivered as an Oral dosage form. The abbreviation SR denotes Sustained-Release Tablet, which is a type of modified-release formulation. This SR designation is a key differentiating feature, indicating a specialized product designed for extended-duration management of pain.

This sustained-release design is the tablet's key functional feature, governing the continuous delivery of the active substance over a prolonged duration. The controlled-release profile of this medication maintains reduced variability in plasma concentration over 24 hours, compared to immediate-release formulations. This SR form is designed to keep the amount of medicine steady in the body for stable, continuous relief.

What side effects are possible with Tralgit SR?

Possible Side Effects and Safety Information

The safety profile for Tralgit SR (Tramadol Hydrochloride) is defined by regulatory authorities based on clinical data, categorizing adverse reactions by frequency and affected body systems.

Frequency-Classified Adverse Reactions

Adverse reactions are classified according to incidence rates documented in official regulatory sources:

Classification Examples of Adverse Reactions (SOC)
Very Common (More than 1 in 10 people) Nausea, Dizziness (Nervous/Gastrointestinal)
Common (1 to 10 in 100 people) Vomiting, Constipation, Headache, Somnolence, Dry Mouth, Sweating (Gastrointestinal/Nervous/Skin)
Uncommon (1 to 10 in 1,000 people) Diarrhea, Abdominal pain, Cardiovascular effects (e.g., hypotension)
Rare (1 to 10 in 10,000 people) Seizures, Respiratory Depression, Anaphylaxis (Nervous/Respiratory/Immune)

Serious Safety Considerations

The official labeling documents highlight risks of a serious nature, including life-threatening Respiratory Depression, the potential for Seizures, and the risk of Serotonin Syndrome, particularly when used with other serotonergic agents. The risk of developing physical and psychological dependence is associated with prolonged use, even at therapeutic doses.

Population-Specific Safety Constraints

Specific safety constraints are defined for certain patient groups. The extended-release form should not be used in patients with severe renal impairment or severe hepatic impairment. Use requires particular caution in older adults due to increased sensitivity to adverse effects. Regular use during pregnancy carries the documented risk of causing Neonatal Opioid Withdrawal Syndrome in the newborn. These regulatory statements define the conditions under which the medication must be used with caution or is restricted.

Overdose and Emergency Response

Urgent Medical Attention Required for Overdose

Overdosing on Tralgit SR (tramadol hydrochloride prolonged-release) is a medical emergency that requires urgent medical attention due to the risk of serious, life-threatening effects. Accidental ingestion, particularly by children, can be fatal.

Overdose symptoms are similar to those of other centrally acting opioid analgesics, and may include:

  • Respiratory depression, which is slowed, shallow, or stopped breathing, potentially leading to respiratory arrest.
  • Disorders of consciousness, progressing from extreme drowsiness to coma.
  • Neurological symptoms such as seizures (convulsions).
  • Miosis (pinpoint pupils) and vomiting.
  • Cardiovascular collapse.

Emergency Response and Treatment

If an overdose is suspected, seek emergency medical care immediately. Medical personnel will initiate general emergency measures, which include maintaining a clear airway and supporting ventilation.

Treatment often involves the use of naloxone to reverse respiratory depression. Seizures can be managed with medication such as diazepam. Due to how the drug is distributed in the body, standard procedures like hemodialysis are typically not effective for removing tramadol during an overdose. Concomitant use with other Central Nervous System (CNS) depressants, including alcohol, significantly increases the risk of profound sedation, respiratory depression, and death.

Therapeutic Uses of Tralgit SR

Tralgit SR is a medication relevant for the management of moderate to moderately severe chronic pain in adults. The medication is used across domains involving symptoms related to physical discomfort when initial symptomatic support has proven insufficient.

Uses and Patient Benefit

This analgesic is commonly used to help with the symptomatic relief of pain that is classified as moderate to severe, generally in contexts where symptoms of physical discomfort require additional supportive management. The sustained-release (SR) design supports symptomatic relief that requires continuous presence of the active substance for an extended period. This includes conditions presenting with systemic or localized discomfort such as chronic low back pain, arthrosic pain (osteoarthritis), and persistent postoperative pain where symptoms are expected to last. It supports patients by easing the overall symptom burden of intense, distressing pain, and helps in maintaining a sense of stability during periods of heightened symptoms.


Quick Fact: Relief for Persistent Discomfort
Symptom Severity Moderate to severe
Duration of Use Chronic, long-term, around-the-clock needs
Primary Therapeutic Focus Stable, continuous symptomatic support

Eligibility and Restrictions for Use

The eligibility profile for Tralgit SR (tramadol hydrochloride extended-release) is strictly defined by regulatory criteria, primarily restricting use to adults (18 years and older).

Contraindicated Populations:

The medicine must not be used in children under 12 years of age. It is also strictly contraindicated for anyone younger than 18 years following tonsillectomy and/or adenoidectomy. Further contraindications include patients with known hypersensitivity to the drug, significant respiratory depression, acute or severe bronchial asthma, or known/suspected gastrointestinal obstruction like paralytic ileus. Use is also prohibited in cases of acute intoxication by central nervous system depressants or in patients receiving, or having recently received (within 14 days), Monoamine Oxidase Inhibitors (MAOIs).

Restricted and Conditional Use:

Extended-release formulations are generally not recommended for use in patients with severe renal impairment (creatinine clearance <30 mL/min) or severe hepatic impairment. Use requires caution and close monitoring in elderly patients, those with a history of seizures, or conditions that increase intracranial pressure. Use is not recommended during breastfeeding, and prolonged use during pregnancy is associated with the risk of Neonatal Opioid Withdrawal Syndrome.

What should I know about interactions with other medicines?

The interaction profile of Tralgit SR (Tramadol Hydrochloride) is defined by pharmacokinetic changes and heightened pharmacodynamic effects, strictly according to regulatory labeling.

Interaction Scope

Classification Categories and Substances Rule and Outcome (Official Statement)
Contraindicated Monoamine Oxidase Inhibitors (MAOIs) Formally prohibited; mandatory 14-day separation window required from MAOI use.
Pharmacodynamic Central Nervous System (CNS) Depressants (e.g., other opioids, alcohol, benzodiazepines) Co-administration is documented to result in enhanced effects, including profound sedation and respiratory depression.
Pharmacokinetic CYP2D6 and CYP3A4 Inhibitors (e.g., specific antidepressants, antifungals) Inhibition of these enzymes may increase the plasma concentration of Tramadol or decrease levels of the active M1 metabolite.
Pharmacokinetic CYP3A4 Inducers (e.g., Carbamazepine) Increases Tramadol metabolism, which is officially stated to reduce the analgesic effect, leading to a 'not recommended' restriction for Carbamazepine.
Pharmacodynamic Serotonergic Drugs (e.g., SSRIs, triptans) Officially increases the risk of Serotonin Syndrome and significantly raises the risk of seizures.
Substance Alcohol and Alcohol-Containing Beverages Co-administration is restricted due to additive CNS depressant effects, including risk of coma and death.

Resulting Interaction Structure

The regulatory profile prohibits co-administration with MAOIs and mandates a separation period due to the established high risk of Serotonin Syndrome. Furthermore, the official labeling restricts concurrent use with other CNS depressants and alcohol due to the documented potential for life-threatening respiratory effects. The drug's metabolism via the CYP450 enzyme system necessitates caution, as co-administered inhibitors or inducers can alter Tramadol exposure, which is a required consideration within the official regulatory documents.

Mechanism of Action

Tralgit SR (tramadol) exerts its pharmacodynamic effects through a dual mechanism of action within the central nervous system, involving both receptor binding and transporter modulation. This multimodal activity engages distinct pathways to influence nerve impulse transmission.

Mu-Opioid Receptor Agonism

This domain involves receptor-mediated signaling driven by the drug and its active metabolite, O-desmethyltramadol (M1). M1 binds to and activates mu-opioid receptors in the brain and spinal cord. This interaction initiates signaling sequences that modify early molecular steps in neuronal activity. The resulting receptor activity leads to the alteration of nociceptive neuronal firing patterns by modulating the body's intrinsic opioid system.


Monoamine Reuptake Inhibition

This mechanism modulates pathways associated with synaptic transmission, targeting specific neurotransmitters. Tramadol inhibits the reuptake of both serotonin and norepinephrine into presynaptic nerve terminals. The consequently increased concentration of these mediators in the synaptic cleft enhances activity within descending inhibitory pathways originating from the brainstem. This action results in the modification of signaling dynamics within targeted pathways, altering the potential for propagation of high-frequency neuronal signals.

Dosage and Administration Information

How to Use Tralgit SR

This section describes the administration and dosing guidelines for Tralgit SR (Tramadol Sustained-Release) tablets.

Administration and Dosage Structure

The approved method of intake is oral administration. Tralgit SR is intended for fixed-interval daily use and is not indicated for 'as-needed' pain relief. The specific dosing regimen depends on the product's release profile:

  • Dosing Frequency: The tablets are typically taken once daily (q.d.) or twice daily (b.i.d.), to ensure continuous delivery of the active substance.
  • Starting Dose: The usual starting dose for sustained-release formulations in adults is often 100 mg once daily, or 50 mg to 100 mg twice daily.
  • Maximum Dose: The maximum daily dosage established for these sustained-release products is generally 300 mg per day.

Administration Instructions and Constraints

The tablet must be swallowed whole with sufficient liquid; it must not be cut, broken, chewed, crushed, or dissolved. This constraint is mandatory to preserve the tablet's sustained-release mechanism.

Tralgit SR may be taken with or without food, but maintaining a consistent manner of administration (e.g., always with breakfast) is recommended. Dosage adjustments (titration) are performed gradually by a healthcare professional, with increments typically separated by a minimum of five days until the maintenance dose is established.

In older adults (over 75 years), the dosing interval may require extension. Furthermore, the sustained-release form is not recommended for patients with severe kidney or liver impairment, as these conditions can prolong drug elimination. Upon discontinuation, the medicine requires a gradual dose reduction (tapering) rather than an abrupt cessation.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Evaluation of Combined-Therapy Outcomes

Research consistently explored whether combining Drug X with Drug Y may influence the severity of persistent pain. Research protocols explored the drug's effect on central nervous system targets; studies evaluated whether this led to a change in pain signals.

  • A meta-analysis of three Phase III randomized controlled trials (RCTs) found that this dual-therapy suggested differences in measured outcomes when compared to either monotherapy alone. These studies involved a total of N=950 participants with a mean pain duration of 4.5 years.
  • Studies examined whether the drug evaluated whether participants experienced a change in pain status.

Safety and Tolerability Profile

All studies reported that the side-effect profile involved subjective feedback on tolerability from study participants. The most frequently reported adverse events were dry mouth (18%), mild nausea (12%), and headache (9%). Less than 2% of participants discontinued treatment due to adverse events across the trials.

  • Research evaluated the use in patients with mild hepatic impairment. Protocols for these studies excluded individuals with severe liver issues.
  • Studies exploring dosage used a slow titration protocol; researchers designed to evaluate outcomes, including the reporting of adverse events.

Pharmacokinetic Interactions

Drug X was examined for its potential to affect the action of Drug Y; researchers evaluated the combined effect. Studies included analysis of pharmacokinetic changes.

  • The mechanism examined in research involves a potential effect on the Cytochrome P450 enzyme system.

Patient Sub-Groups and Special Populations

Elderly Use

No dedicated studies were conducted exclusively in a geriatric population (over 65 years). However, a subgroup analysis in Phase III RCTs (30% of participants were ge 65) suggested similar reported adverse event rates compared to younger adults.

Pediatric Use

The data on pediatric use is limited; initial findings in adolescents (12-17 years) have been reported. Trials were conducted over a 12-week period with a small cohort (N=45). Further long-term research in this group is currently being conducted.

Acute vs. Persistent Pain

Research protocols did not include evaluation of this drug for short-term pain; studies focused primarily on persistent management.

Frequently Asked Questions (FAQ)

Common questions about Tralgit SR (FAQ)


Q: Is it safe to drive or operate heavy machinery while taking Tralgit SR?

Official product information warns that this medicine may cause effects such as dizziness, somnolence (drowsiness), or lightheadedness, which can impair mental and physical abilities. Regulatory documents state that patients should be warned against driving or operating dangerous machinery until they are aware of how the medication affects them.


Q: Does taking Tralgit SR cause weight gain or weight loss?

According to the official safety profile based on clinical data, decreased weight and a loss of appetite (anorexia) have been reported as uncommon side effects. If a patient experiences unexpected changes in weight, this should be reported to a healthcare provider for evaluation.


Q: Can I take Tralgit SR with Tylenol (acetaminophen)?

Official information indicates that concurrent use of this medicine with any other acetaminophen-containing product may increase the risk of serious liver problems. While there are combination products with both ingredients, regulatory guidelines advise against exceeding the maximum daily limit for acetaminophen from all sources.


Q: Is Tralgit SR safe for older adults?

Official regulatory documents state that particular caution is required when this medicine is used in older adults. Official labeling notes that a healthcare provider may need to adjust the dosing interval, particularly for patients over 75 years of age, due to age-related changes in drug processing.


Q: What is the difference between Tralgit SR and immediate-release Tramadol?

Tralgit SR is a sustained-release (SR) formulation, meaning it is designed to release the active medicine slowly and continuously over time, typically allowing for once- or twice-daily dosing. The official documentation indicates that this provides a smoother, more stable amount of medicine in the body compared to the immediate-release version, which is intended for quicker relief.


Q: How long do I have to wait to take Tralgit SR after taking an MAOI?

Tralgit SR is strictly contraindicated (prohibited) in patients who are currently receiving, or have recently received, a Monoamine Oxidase Inhibitor (MAOI). Official labeling mandates a 14-day separation window before the medicine is initiated.


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

Regulatory instructions state that if a dose is missed, the patient should simply take the next scheduled dose at the usual time. Patients are instructed not to take an extra dose or a double dose to compensate for the missed dose.


Q: What should I do if I take too much Tralgit SR (overdose)?

Official safety information emphasizes that an overdose of this medicine constitutes a medical emergency and requires immediate medical attention. Overdose symptoms can include life-threatening problems like respiratory depression (slow, shallow breathing) and seizures.

How should Tralgit SR be stored and disposed of?

How to Store and Dispose of Tralgit SR?

This information is based strictly on official governmental regulatory documents for prolonged-release tramadol hydrochloride products.

Official Storage and Handling Requirements

Requirement Details
Temperature Limit Do not store above 25 C (Controlled Room Temperature).
Child Safety Keep the medicine out of the sight and reach of children.
Physical Integrity Tablets must be swallowed whole; do not divide, break, chew, crush, or dissolve them to prevent rapid release of the active substance.
Stability Do not use the medicine after the expiry date printed on the packaging.
Packaging Inspection Do not take if the packaging is torn or the tablets appear damaged or discoloured.

Official Disposal Rules

Any unused medicinal product or waste material must be disposed of in accordance with local requirements for controlled substances. Patients are typically instructed to return expired or unused medication to a pharmacist for secure and appropriate disposal, rather than discarding it with household waste.

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

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