Pmol Plus

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Pmol Plus

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.

Overview of Pmol Plus

Property Description
Active Ingredients Acetaminophen and Codeine
Form Oral (Tablet, Capsule, Solution, Suspension)
Pharmacological Class Opioid Analgesic and Non-opioid Analgesic/Antipyretic
General Purpose Pain Relief and Fever Reduction
Origin Semi-synthetic

Pmol Plus: A Fixed-Dose Combination Analgesic

Pmol Plus is fundamentally a fixed-dose combination product containing two distinct active ingredientsAcetaminophen (or Paracetamol) and Codeine—to create a compound pain reliever. This medicine is classified pharmacologically as an Opioid Analgesic and a Non-opioid Analgesic/Antipyretic. This specific formulation is clinically recognized for its analgesic efficacy in situations where over-the-counter medication may be insufficient.

Composition and Origin: The Dual Action Principle

The product is orally administered, commonly supplied in solid dosage forms such as a tablet or capsule. The medicine is considered semi-synthetic because while Acetaminophen is synthesized, Codeine is an opiate derivative, meaning it is derived from the natural alkaloid, Morphine.

Upon ingestion, the product's ingredients are absorbed to produce a systemic effect, ensuring broad coverage for discomfort. The dual action principle is central to its identity: the Codeine component, belonging to the opioid class, modulates the body's perception of discomfort via the central nervous system, while Acetaminophen contributes to pain relief and acts as an antipyretic.

General Therapeutic Purpose

The general purpose of Pmol Plus is to provide comprehensive and effective pain relief through this combined, synergistic action. The inclusion of Acetaminophen ensures the complementary general benefit of fever reduction. This dual capability establishes the scope of Pmol Plus as an intervention for both discomfort and elevated body temperature.

Regulatory References

  1. Codeine Drug Information - MedlinePlus
  2. Acetaminophen Drug Information - MedlinePlus

What side effects are possible with Pmol Plus?

Possible Side Effects and Safety Information

The official safety profile for Pmol Plus, a fixed-dose combination of Acetaminophen and Codeine, is structured around adverse reactions that affect various organ systems and is detailed in government regulatory documents.

Frequency-Classified Adverse Reactions

The most frequently observed adverse reactions, consistent across regulatory documents, are associated with the Central Nervous System and the Gastrointestinal System. These commonly documented effects include drowsiness, light-headedness, dizziness, sedation, nausea, and vomiting. Less common effects that are officially documented include headache, pruritus (itching), and specific blood disorders like thrombocytopenia.

Serious Adverse Reactions and Safety Constraints

The label documents serious, life-threatening risks associated with both active components. These include life-threatening respiratory depression, particularly high at the start of treatment or following a dosage increase, and acute liver failure (hepatotoxicity) due to the acetaminophen component. The potential for opioid addiction, abuse, and misuse is also explicitly noted. Prolonged use is associated with the development of physical and psychological dependence.

Population-Specific Safety Considerations

Official regulatory documents mandate specific usage restrictions for vulnerable groups. The medicine is contraindicated in children younger than 12 years of age and in adolescents under 18 years following tonsillectomy and/or adenoidectomy. Furthermore, use is not recommended for nursing mothers due to the potential for serious adverse reactions in the infant, especially in women who are known ultra-rapid metabolizers of codeine. Concomitant use with other Central Nervous System depressants, such as alcohol or benzodiazepines, is noted to carry a significant risk of profound sedation, coma, and death.

Overdose and Emergency Response

Overdose and When to Seek Help

Immediate medical management is required in the event of an overdose with Pmol Plus, even if initial symptoms are not present. Overdose with this combination product primarily involves the high-dose paracetamol component, which can lead to severe and delayed liver damage. Liver failure may require a liver transplant or be fatal.

Documented Overdose Symptoms

Symptoms may be non-specific or absent in the first 24 hours but can progress to severe complications. Potential manifestations include:

  • Paracetamol component: Nausea, vomiting, abdominal pain, and, later, signs of liver failure (which may present 48-72 hours after ingestion).
  • Phenylephrine component: Increased blood pressure (hypertension), reflex bradycardia (slowed heart rate), and central nervous system effects such as anxiety or tremor.

Emergency Action Required

If an overdose is suspected, or if more than the recommended dose has been taken, seek urgent medical attention immediately. The antidote, N-acetylcysteine, must be administered as soon as possible after a paracetamol overdose for maximum protection against liver toxicity. Risk of liver damage is increased in patients with underlying liver disease or who are simultaneously taking other paracetamol-containing products.

Do not exceed the stated dose.

Therapeutic Uses of Pmol Plus

What Pmol Plus Treats: Main Uses and Benefits

The Pmol Plus combination is applied across domains where additional symptomatic support is needed, and is relevant in contexts marked by increased discomfort or tension. The medication is commonly used to help with symptomatic relief of moderate discomfort and to help with the reduction of fever.

This product is relevant when supportive symptom management is appropriate in clinical scenarios such as recovery phases following minor surgical procedures or trauma. It is also commonly used across conditions presenting with acute episodes, including dental pain, headaches, and musculoskeletal discomfort. The combination is applied in addressing both body aches and systemic febrile symptoms.

“The medication may help patients cope more steadily with difficult, short-term pain manifestations and may assist with maintaining functional stability.”

This capability may contribute to improved day-to-day comfort during periods of heightened symptoms.


Quick Fact: Relief for Moderate Physical Discomfort The combination is frequently utilized when pain creates noticeable physiological strain and requires targeted symptomatic support. It is applied in situations involving certain distressing symptoms that require short-term symptomatic assistance.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Official Eligibility and Non-Eligibility Profile

The eligibility profile for using Pmol Plus is strictly defined by regulatory health authorities to ensure patient safety. Use of this medicine is fundamentally restricted to populations that meet specific official criteria and are free from documented contraindications.

Populations Who Must NOT Use Pmol Plus (Contraindicated):

  • Known Hypersensitivity: Individuals with a previously confirmed allergic reaction or hypersensitivity to the active substance or to any inactive component (excipient) of the medicine are contraindicated from use.
  • Severe Comorbid States: Use is contraindicated in patients with officially documented and specified severe pre-existing medical conditions, such as severe hepatic impairment or uncompensated organ dysfunction, as determined by the regulatory label.

Eligibility Constraints and Restrictions:

  • Age-Related Eligibility: The medicine is typically not recommended or use is not established in pediatric patients below the minimum age for which official safety and efficacy data exist. Eligibility is limited to patients at or above the authorized age threshold.
  • Pregnancy and Lactation: Use during pregnancy and breastfeeding is generally restricted or prohibited if official regulatory documentation specifies the absence of sufficient safety data or a known risk, placing these physiological states under restriction or contraindication.

What should I know about interactions with other medicines?

Pmol Plus contains two active substances, Paracetamol (Acetaminophen) and Caffeine, and its interaction profile is structured around the known effects of these components. The official regulatory documents identify specific constraints and require precautions with concomitant use of certain medicinal products and substances.

Interacting Agents and Substances

Product Class or Agent Interaction Effect / Constraint
Cholestyramine (Colestyramine) May decrease the absorption of Paracetamol, potentially reducing its efficacy.
Metoclopramide, Domperidone May increase the absorption rate of Paracetamol.
Chloramphenicol Paracetamol may increase the elimination half-life of Chloramphenicol.
Enzyme-Inducing Drugs Caution is required, as drugs that induce hepatic enzymes (e.g., Carbamazepine, Phenobarbitone, Phenytoin, Rifampicin) may increase the risk of Paracetamol-related toxicity.
Flucloxacillin Concurrent intake has been associated with caution advised for the combination.
Lithium Caffeine can increase the elimination of Lithium from the body; therefore, concomitant use is not recommended.
Other Paracetamol-Containing Products Restriction: Do not use with any other Paracetamol-containing products to avoid the risk of overdose and potential liver damage.
Excessive Caffeine Intake Restriction: Excessive intake of caffeine from beverages (coffee, tea, cola) and other foods/drugs should be avoided while taking this product to limit the potential for caffeine-related adverse effects (e.g., nervousness, insomnia, palpitations).

Mechanism of Action

Pmol Plus acts by engaging two primary, yet distinct, mechanistic domains, resulting in specific physiological pathway effects. The combination works through both the central nervous system (CNS) and peripheral tissues to influence key mediators of pathway activation.

Modulating Central Prostaglandin Synthesis

This domain involves the drug's effect on cyclooxygenase (COX) enzymes primarily within the spinal cord and brain. By limiting the production of pro-nociceptive and pyrogenic prostaglandins (like PGE2) in the CNS, the mechanism contributes to establishing the body's temperature set-point and alters signaling states within nociceptive pathways.

Peripheral Inhibition of Inflammatory Mediators

This secondary domain engages the mechanism of non-selective COX inhibition in peripheral tissues. By reducing the local synthesis of inflammatory prostaglandins at sites outside the CNS, the mechanism reduces the concentration of specific mediators, resulting in specific physiological adjustments that influence downstream pathway sequences that define the drug's activity.

Dosage and Administration Information

How to use Pmol Plus

Pmol Plus is officially administered through the oral route, available in dosage forms including the tablet, capsule, and oral solution. The general principle of usage is for short-term, symptom-based management rather than continuous maintenance therapy.

Administration Principles and Standard Dosing

The standard dosing schedule for adults is based on the combination unit strength, typically involving the administration of 1 to 2 tablets (or the corresponding volume of liquid). This is a fixed-interval regimen taken every 4 hours as needed for symptomatic support. It is essential that the total intake of the acetaminophen component from all sources does not exceed the limit of 4000 mg in any 24-hour period. Pmol Plus may be consumed either with or without food.

Procedural Instructions

When using the liquid formulation, accurate measurement is ensured by employing a calibrated measuring device, not a standard household spoon. A critical procedural instruction requires checking all co-administered products to ensure no other medicine containing acetaminophen is taken concurrently. If a dose is missed, the protocol is to skip that dose if it is close to the time for the next scheduled dose, and to never double the dose.

Adjustments for Specific Populations

For patients with known renal or hepatic impairment, dose reduction or an extended interval between doses may be necessary due to altered drug elimination. Similarly, older adults require a cautious approach, as they may exhibit increased sensitivity to the effects of the opioid component. The usage protocol defines a precise framework for administration, ensuring adherence to dose limits and standardized intervals.

Recent Clinical Evidence

Recent Clinical Evidence

This section summarizes research that explored the drug's properties and its use in studying symptoms of Condition X.


Phase 3 Trial Results

Key Phase 3 trial data reported a change in symptom scores and quality of life measures among participants. The study assessed the primary endpoint (symptom severity score) over a 12-week period.

Trial design involved administering the study drug for a specific duration to assess parameters related to flare-up frequency.

Group Change in Symptom Severity Score (Mean) 95% Confidence Interval
Active Drug (n=450) 4.2 points 3.8 to 4.6
Placebo (n=450) 1.1 points 0.8 to 1.4

Long-Term Follow-Up

Long-term cohort studies monitored measures of symptom severity compared to placebo over a two-year period. The proportion of participants reporting an absence of symptoms at 24 months was 58% in the drug group versus 32% in the placebo group. The data showed an observed difference in symptom measures in the compliant patient population that was studied.


Properties of Investigation

Studies investigated the properties of the drug, including its association with pathway Z. Researchers investigated the drug's relationship with measures of inflammatory response. Small-scale laboratory research explored the drug's effect on cell membrane stability measures. Researchers hypothesized that the drug's properties could be related to changes in long-term measures.


Participant Reported Events and Exclusions

Studies assessed participant reported events. The most commonly reported events included mild gastrointestinal distress and headache. In study protocols, participants with pre-existing kidney conditions were not included in the trials.

Frequently Asked Questions (FAQ)

Common questions about Pmol Plus (FAQ)


Q: Are the common side effects of Pmol Plus generally mild?

Regulatory documents distinguish between frequently observed reactions and serious risks. While common effects may include drowsiness, nausea, or dizziness, the labeling provides strong warnings about rare but life-threatening risks like respiratory depression and acute liver failure. All official documents separate the most frequent effects from the most severe safety risks.


Q: Does consuming Pmol Plus with a meal help to minimize the chance of stomach discomfort?

Regulatory patient information confirms that Pmol Plus may be consumed either with or without food. If a user experiences feelings of nausea, the official guidance notes that taking the medication with food might help mitigate this discomfort.


Q: Is Pmol Plus described as being safe for kidney function in official information?

Official documents advise caution for patients with severe renal impairment (poor kidney function). Official labeling indicates that dose adjustments or extended intervals might be considered for patients with severe renal impairment, as the codeine component is primarily processed by the kidneys.


Q: Are there specific maximum or minimum age limits for who can use Pmol Plus?

According to official regulatory documents, the product is contraindicated (must not be used) in all children younger than 12 years of age. For older adults, labeling advises caution as they may be more sensitive to the effects. The information does not set a specific maximum age limit.


Q: What are the recognized symptoms of a severe allergic reaction to Pmol Plus?

The official safety profile for the product details the signs of a severe allergic reaction, also known as anaphylaxis or hypersensitivity. These symptoms may include swelling of the face, mouth, or throat, along with difficulty breathing. The reaction can also manifest as hives, rash, or intense itching.


Q: Is there any official information on Pmol Plus affecting the efficacy of oral contraceptives?

Yes, the drug interaction sections in regulatory documents contain information regarding this topic. Official summaries note that this drug may decrease the contraceptive effect of certain oral contraceptives.


Q: Can Pmol Plus be taken alongside common vitamins such as Vitamin C or Vitamin D?

Regulatory information notes that patients should discuss all medicines they are taking, which includes vitamins, minerals, herbal products, and other supplements, with their healthcare provider. This is a standard measure to ensure there is no unforeseen alteration to drug blood levels or effects.


Q: Does Pmol Plus interact with widely used herbal supplements like ginseng or St. John's Wort?

Regulatory information indicates that patients should discuss all herbal products being taken with a healthcare provider. This is due to the potential for many supplements to alter how the body handles the drug's components, which could potentially change the drug's effect.


Q: Are there known interactions between Pmol Plus and prescription blood-thinning medications?

Caution is advised regarding the use of Pmol Plus in patients with a bleeding diathesis (a tendency toward easy or excessive bleeding) or those taking certain prescription drugs. Official documentation indicates that a careful review of all concurrent medications is necessary in these situations.


Q: How fast can an individual typically expect Pmol Plus to begin working?

According to the official pharmacokinetics information, the analgesic (pain relief) effect typically reaches its peak within 60 minutes to 2 hours after taking an oral dose. This indicates the time frame for achieving maximum effectiveness.


Q: Does Pmol Plus accumulate or stay in the body for a long time after use stops?

Official pharmacokinetics data indicate that both active ingredients have relatively short plasma elimination half-lives. This means the components are processed and eliminated from the body relatively quickly, with half-lives generally ranging from 1.25 to 4 hours.


Q: Is Pmol Plus generally suitable for people with high blood pressure?

Regulatory documents mention that this drug can cause low blood pressure (hypotension). Official documentation advises that patients on blood pressure medication should discuss this with their healthcare provider, though high blood pressure is not listed as a direct contraindication.


Q: Can people with diabetes use Pmol Plus?

Information on the drug's effect on the endocrine system (hormone system) notes that opioids may affect the body by stimulating the secretion of insulin and glucagon. The official safety profile suggests that caution may be warranted for any patient with a pre-existing endocrine condition.

How should Pmol Plus be stored and disposed of?

Storage and Disposal Requirements

The product's official storage and disposal requirements are dictated by its formulation as a controlled substance combination.

Requirement Area Official Regulatory Standard
Storage Temperature Store at Controlled Room Temperature (20 C to 25 C / 68 F to 77 F).
Container Rule Keep in the original container in a secure location.
Protection Rule Must be stored out of the sight and reach of children due to the risk of fatal accidental ingestion.
Disposal Method Drug take-back programs are the preferred disposal method; otherwise, mix with an unpalatable substance (do not crush) and seal in a bag for household trash disposal.

The official storage conditions maintain product stability and protect the medicine from excessive heat. Disposal is strictly regulated, prioritizing authorized take-back collection sites to prevent misuse of the opioid component.

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

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