Doliprane Pro

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Doliprane Pro

Treatment option: 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 Doliprane Pro

Quick Facts

Property Description
Active Ingredients Acetaminophen and Tramadol Hydrochloride
Form Tablet (Oral Dosage Form)
Pharmacological Class Combination Analgesic, Central Nervous System (CNS) Agent
General Purpose Management of moderate to severe pain
Origin Synthetic Compound

Doliprane Pro: Definition and Pharmacological Classification

Doliprane Pro is classified as a Fixed-Dose Combination (FDC) product, uniting two distinct synthetic active ingredients to operate as a potent Combination Analgesic and Central Nervous System (CNS) Agent. This medicine is structurally defined by the co-formulation of Acetaminophen (a non-opioid) and Tramadol Hydrochloride (an opioid component) into a single tablet designed for oral administration. This strategic pairing of substances is clinically recognized for providing effective relief in scenarios where alternative treatments, such as single-agent analgesics, may be inadequate. The FDC principle is consistent across various regional trade names for this formulation, such as Ultracet in other markets.


Composition and Pharmaceutical Form

This medicine's active components are Acetaminophen (Paracetamol) and Tramadol Hydrochloride. Tramadol is an atypical synthetic opioid analgesic that acts centrally, while Acetaminophen is an established agent for peripheral pain relief and fever reduction. The combination of Tramadol and Acetaminophen is supported by pharmacological data; an improved analgesic response is observed when combining these two agents. This FDC is consistently manufactured as a solid tablet, ensuring a precise and non-variable ratio of the two active components, which is crucial for consistent therapeutic application.


Synergistic Action and General Therapeutic Advantage

The core therapeutic design of this product is to leverage a synergistic effect against discomfort. This dual-action approach is achieved because the two active ingredients operate through complementary, distinct mechanisms: Acetaminophen offers modulation of pain pathways peripherally, while Tramadol engages mu-opioid receptors and affects neurotransmitters centrally. This provides a comprehensive therapeutic advantage, making the medicine suitable for the management of pain that is classified as moderate to severe, such as acute musculoskeletal injury or post-operative discomfort. By combining two agents with different mechanisms, the formulation seeks to optimize pain control through a rational, multi-mechanistic approach to analgesia.

Regulatory References

  1. NIH MedlinePlus Acetaminophen Information

What side effects are possible with Doliprane Pro?

Possible Side Effects and Safety Information

The safety profile for Doliprane Pro, a combination of Acetaminophen and Tramadol, is officially documented based on regulatory classifications, detailing risks by frequency and physiological system. Adverse reactions are grouped by System-Organ Class, primarily affecting the Nervous System and Gastrointestinal System.

Frequency-Classified Adverse Reactions

Classification Examples of Documented Effects
Very Common (ge 1/10) Nausea, Dizziness, Somnolence (Drowsiness)
Common (ge 1/100 to < 1/10) Constipation, Headache, Vomiting, Dry mouth, Hyperhidrosis (Increased sweating)
Rare (< 1/1000) Seizures/Convulsions, Respiratory depression, Syncope, Allergic reactions

Serious Adverse Reactions and Safety Constraints

Regulatory documentation highlights several serious risks, often presented in prominent warnings. Due to the Acetaminophen component, a risk of severe Hepatotoxicity (liver damage) is formally noted. The Tramadol component is associated with risks of Life-Threatening Respiratory Depression and Serotonin Syndrome. Furthermore, the medicine carries a documented risk of Addiction, Abuse, and Misuse.

Safety notes specify time- and population-related patterns. The risk of respiratory depression is highest during the initiation of therapy or following a dose increase. The medicine is formally contraindicated in specific populations, including children under 12 years of age and patients with severe hepatic impairment.

Overdose and Emergency Response

Overdose and When to Seek Help: Official Regulatory Information

Overdose of medicines combining Acetaminophen and Tramadol HCl presents a risk of severe toxicity from both active components and requires immediate medical attention, as mandated by regulatory authorities.

Documented Manifestations and Severe Outcomes

Official labeling documents specific manifestations primarily affecting the hepatic, central nervous, and respiratory systems:

  • Tramadol Toxicity: Symptoms include somnolence (severe drowsiness), seizures, miosis (pinpoint pupils), and the critical outcome of life-threatening respiratory depression and circulatory shock.
  • Acetaminophen Toxicity: Initial signs include nausea and vomiting, progressing to severe outcomes such as acute liver failure (hepatotoxicity), which may lead to death or liver transplant.
  • Combined Risk: Regulators also warn of Serotonin Syndrome and generalized CNS depression progressing to coma.

Required Emergency Actions

Action/Requirement Official Mandate
Immediate Help: Seek immediate medical attention (or contact a Poison Control Center) without delay.
Symptom Status: Required regardless of whether symptoms are present or the individual feels well.
Specific Antidotes: Management protocols include the use of N-Acetylcysteine (NAC) for Acetaminophen toxicity and Naloxone for Tramadol-induced respiratory depression.
Population Risk: Accidental ingestion of even one dose by a child is specifically warned as a risk for fatal overdose.

Hospital monitoring of vital signs and laboratory values (e.g., liver function tests) is required for effective management of this dual-agent toxicity.

Therapeutic Uses of Doliprane Pro

Doliprane Pro is applied across domains where additional symptomatic support is needed for pain management and is commonly used when other symptomatic management approaches have been considered. The combination is utilized when symptoms of discomfort are pronounced and warrant additional support.

The medication is applicable in conditions characterized by periods of heightened symptoms and is relevant for easing discomfort related to persistent chronic pain and severe acute episodes. It is commonly used to help with pain following post-traumatic injury, providing support during postoperative discomfort, and managing persistent symptoms in conditions like osteoarthritis and chronic low back pain. It may assist with maintaining functional stability and supports general well-being during symptomatic phases. This medication is applied in situations involving certain distressing symptoms where supportive symptom management is appropriate.


Therapeutic Scope: Symptom Relief

Quick Fact: Symptom Management
Primary Domain Symptomatic relief for moderate to severe pain.
Core Benefit Supports the patient by easing the overall symptom load.
Key Scenarios Situations involving post-traumatic, post-operative, or recurrent symptoms.
Additional Use Helps manage associated febrile symptoms.

Regulatory References

  1. DailyMed indication for Tramadol/Acetaminophen

Eligibility and Restrictions for Use

Official Eligibility and Non-Eligibility

Official regulatory documents strictly define the populations that can and cannot use the Acetaminophen/Tramadol combination product. The medicine is primarily allowed for adults (aged 18 years and older).


Contraindications (Must Not Use)

Population/Condition Status Regulatory Basis
Children under 12 years Contraindicated Age restriction
Adolescents under 18 Contraindicated Post-tonsillectomy/adenoidectomy pain
Severe Respiratory Depression Contraindicated Risk of life-threatening breathing problems
Acute MAOI Use Contraindicated Use within the last 14 days
Severe Hepatic Impairment Not Recommended Liver metabolism concerns

Restricted or Not Recommended Use

Use is not recommended during pregnancy due to the risk of Neonatal Opioid Withdrawal Syndrome (NOWS) if used for a prolonged period. Breastfeeding is also not recommended due to risk of serious adverse reactions in the infant.

Patients with severe renal impairment or severe liver disease may be ineligible or require careful consideration as both active components rely on these organs for metabolism and excretion. Adolescents (12-18 years) with pre-existing respiratory risk factors must avoid use.

What should I know about interactions with other medicines?

Doliprane Pro (paracetamol) can interact with certain other medicines, potentially altering the effects or increasing the risk of side effects, including liver toxicity. It is crucial to consult a doctor or pharmacist before combining it with any other medication, including over-the-counter products and herbal supplements, as many cold and flu remedies also contain paracetamol.

Medications Requiring Caution

Type of Medicine Specific Agents (Examples) Interaction Effect
Oral Anticoagulants Warfarin Regular or prolonged use of paracetamol may increase the risk of bleeding by enhancing the anticoagulant effect. Close monitoring of the International Normalized Ratio (INR) is recommended.
Anti-epileptics Phenytoin, Phenobarbital, Carbamazepine, Primidone These drugs can accelerate the metabolism of paracetamol, potentially reducing its effectiveness and increasing the risk of liver toxicity (hepatotoxicity), especially with high doses.
Drugs Affecting Gastric Emptying Metoclopramide, Domperidone These agents can increase the rate of paracetamol absorption, leading to a quicker onset of action.
Cholestyramine Cholestyramine This medicine can decrease the absorption of paracetamol, thereby reducing its effectiveness.

It is essential to inform your healthcare provider if you are taking any of these medications. Individuals with chronic alcohol use, malnutrition, or liver disease are at a higher risk for serious side effects and must seek medical advice before taking paracetamol.

Mechanism of Action

Doliprane Pro, containing paracetamol, functions primarily within the central nervous system (CNS), with its peripheral action being less prominent due to cellular hydroperoxide tone. The mechanism involves multiple molecular targets and pathways.

Molecular and Intracellular Pathways

Paracetamol is a reductant at the peroxidase site of the Cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2, acting as a weak non-selective inhibitor of prostaglandin (PG) synthesis in the presence of low arachidonic acid substrate. This inhibition decreases the concentration of PGH2 and subsequent PGs, particularly in the CNS.

Downstream Cascades and System-Level Effects

Furthermore, paracetamol is metabolized into an active derivative, N-(4-hydroxyphenyl)arachidonoylamide (AM404), within the CNS. The metabolite AM404 acts as an agonist at the transient receptor potential vanilloid 1 (TRPV1) receptor, a non-selective cation channel. AM404 also modulates the endocannabinoid system by inhibiting the reuptake of the endogenous cannabinoid anandamide. Activation of the TRPV1 channel is linked to the descending serotonergic pain modulation pathways. The overall consequence is the modulation of central nociceptive signaling and the central regulation of body temperature set point.

Dosage and Administration Information

Administration Protocol for Doliprane Pro

Doliprane Pro, the fixed-dose combination of Acetaminophen and Tramadol Hydrochloride, is administered according to specific clinical protocols. This medication is exclusively available as a tablet intended for oral administration and is categorized as a treatment for short-term use only, typically defined as five days or less.


Standard Dosing and Frequency

The official instruction for starting use is to take two tablets. Subsequent doses may be administered as needed, but a minimum interval of 4 to 6 hours must be maintained between doses. The total intake is governed by a strict limit: patients must not exceed a maximum of 8 tablets over a 24-hour period. This maximum dose corresponds to 300 mg of the Tramadol component and 2600 mg of the Acetaminophen component. Dosing should be individualized based on patient context.


Usage Constraints and Special Populations

Certain procedural constraints apply to the administration of this medication. Co-administration with any other product containing either Acetaminophen or Tramadol is explicitly prohibited. Furthermore, the protocol is restrictive for specific populations. Use is contraindicated in all pediatric patients younger than 12 years of age. For patients with severe kidney impairment, the maximum daily allowance is reduced to a maximum of two tablets every 12 hours. If the medicine is discontinued, particularly in cases of established physical dependence, a gradual dose reduction is required, rather than abrupt cessation.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Evaluation of Efficacy and Outcomes

Research has explored whether this combination of active ingredients examined outcomes related to pain management, and changes in inflammation associated with osteoarthritis have been evaluated. Research has evaluated measures of time to observable effect and included comparisons to monotherapy in its design in key outcome measures.

  • Pharmacokinetic Studies: Research evaluated administration with food to assess its potential effect on absorption and gastrointestinal upset.

Key Clinical Trial Findings

Primary Pain Measures

For the assessment of pain, a key Randomized Controlled Trial (RCT) showed that patients receiving the combination reported differences in pain levels at 12 weeks compared to placebo. A secondary analysis of this RCT examined changes in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score.

Inflammation and Physical Function

Further studies have evaluated whether the combination is associated with changes in markers of inflammation, such as C-Reactive Protein (CRP), over a six-month period. Results were mixed regarding sustained changes in these markers. Research has also examined the effect of the combination on measures of physical function, including walking speed and joint mobility.

  • Long-Term Research: The study documented observations regarding adverse event profiles and outcomes over the long term in this population.

Safety and Tolerability Profile

Research has documented the frequency and nature of adverse events during clinical trials. Gastrointestinal side effects and potential hepatic involvement were specifically assessed.

  • Reported Adverse Events: Common reported adverse events include mild headache and transient nausea. While side effects have been reported, research examined their severity and occurrence, noting different individual responses.
  • Cardiovascular Safety: Researchers explored whether people with existing heart conditions might have different outcomes with this combination due to a potential cardiovascular risk identified in a meta-analysis.
  • Liver Enzyme Monitoring: One study noted that monitoring liver enzymes was included as part of its protocol.

Frequently Asked Questions (FAQ)

Common questions about Doliprane Pro (FAQ)


Q: Does this medication make you sleepy?

A: Official regulatory documents indicate that drowsiness (also called somnolence) and dizziness are common side effects that have been reported with this medication. Concerns regarding effects on daily activities, such as driving, are typically addressed in the 'Possible side effects and safety information' section of the official product information.


Q: Is it safe to take this for a long period of time?

A: Regulatory information indicates that clinical trials for some approved uses assessed treatment periods of up to six months. If treatment needs to be stopped, official information recommends that the dose should be gradually reduced over a period of at least one week. Regulatory documents indicate that this gradual approach is recommended to reduce the potential for withdrawal symptoms upon discontinuation.


Q: Can children 2 years old use it?

A: According to the official product labeling, this medication is approved as an add-on treatment for partial-onset seizures in pediatric patients starting at 1 month of age and older. Decisions regarding use and appropriate dosing for a child, including a 2-year-old, should be made by a healthcare professional based on the specific medical condition and the child's weight.

How should Doliprane Pro be stored and disposed of?

Official Storage and Disposal Requirements

Requirement Area Official Constraint
Temperature & Environment Store in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing is mandatory.
Security & Child-Safety Keep out of the sight and reach of children due to the risk of fatal accidental ingestion. Store the controlled substance securely to prevent theft.
Product Integrity Do not keep outdated medicine or medicine that is no longer needed.
Official Disposal Protocol The preferred method is to drop off unused or expired product at a DEA-authorized drug take-back location or through an official mail-back program.
Disposal Alternative If a take-back program is unavailable, mix the medicine with an undesirable substance (e.g., dirt, coffee grounds) in a sealed bag before disposal in the household trash. Do not flush down the toilet.

Official regulatory labeling dictates that this medicine must be kept at room temperature and shielded from environmental factors like heat and moisture to maintain its stability. Due to its classification as a controlled substance, secure storage is mandated to prevent unauthorized access, particularly by children. Disposal must follow strict protocols, emphasizing drug take-back programs to safely remove unused medication from the home and prevent diversion.

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

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