Day Nurse

Quick links to important sections

Day Nurse

Treatment option:

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 Day Nurse

Quick Facts

Property Description
Active Ingredients Paracetamol, Pseudoephedrine HCl, Pholcodine
Forms Oral liquid, Capsule, Film-coated tablet
Pharmacological Class Analgesic, Decongestant, Antitussive
General Purpose Comprehensive relief of cold/flu symptoms
Origin Synthetic

What Type of Medicine is Day Nurse?

Day Nurse is classified as a combination medicine, an orally administered, multi-ingredient cold and flu product designed to address multiple symptoms simultaneously. This formulation is recognized in over-the-counter (OTC) settings for its convenience in managing simultaneous symptoms. It utilizes a combination of synthetic active ingredients, drawing primarily from three distinct pharmacological classes: an analgesic/antipyretic, a sympathomimetic decongestant, and an opioid cough suppressant.


What are the Active Ingredients and Forms?

Day Nurse contains the active ingredients Paracetamol, Pseudoephedrine hydrochloride, and Pholcodine, each providing a different action against cold or flu discomfort. Paracetamol is a well-established agent for reducing fever and easing pain.

The other two ingredients provide targeted symptomatic relief: Pseudoephedrine hydrochloride acts to constrict blood vessels in the nasal lining, and Pholcodine suppresses the cough reflex. These agents are commonly used in multi-component formulas for managing cold symptoms. The medicine is packaged for patient convenience in forms such as oral liquid (syrup/solution) and solid forms like capsules or film-coated tablets.


What is the General Goal of This Combination?

The primary goal of this combination is to provide comprehensive symptom relief, minimizing the cluster of cold and flu effects that can disrupt daily activity. The formulation is typically positioned for daytime use, designed to manage persistent symptoms such as aches, fever, nasal congestion, and a dry cough, while allowing the patient to remain alert. By combining these three actions, the product aims to offer broader relief than a single-action medicine, supporting the patient's daily functioning.

What side effects are possible with Day Nurse?

Possible Side Effects and Safety Information

The medicine's safety profile, based on official regulatory documentation, classifies adverse reactions by frequency and the body system affected. These classifications detail the spectrum of possible effects, from those commonly reported to rare, serious risks.


Adverse Reaction Categories

Classification Examples of Documented Effects
Common (up to 1 in 10 people) Difficulty sleeping (Insomnia), Restlessness, Nausea, Vomiting, Dry mouth, Dizziness.
Uncommon to Rare Difficulty passing urine (Urinary retention), Rapid heart rate (Tachycardia), Palpitations, Skin rash, Hallucinations.
Very Rare/Not Known Severe Cutaneous Adverse Reactions (SCARs), including AGEP, Ischaemic colitis.

Serious Adverse Reactions

The official label documents serious, though rare, safety concerns. The analgesic component, Paracetamol, carries a documented risk of Liver failure linked to excessive use or pre-existing liver impairment. Serious skin reactions, such as Acute Generalized Exanthematous Pustulosis (AGEP), are noted as very rare or of unknown frequency.


Safety Considerations and Restrictions

Certain regulatory constraints are included in the safety profile. The use of Pholcodine has been linked to an increased risk of anaphylaxis to Neuromuscular Blocking Agents (NMBAs) used in general anesthesia for surgery. Due to the Pseudoephedrine content, the medicine may induce a positive reaction during anti-doping control tests. The risk of Urinary retention is specifically noted for individuals with pre-existing prostatic enlargement.

Overdose and Emergency Response

Overdose and When to Seek Help

The official overdose profile for this combination medicine is primarily defined by the severe and potentially life-threatening risk associated with the Paracetamol component. Early manifestations of an overdose may include non-specific symptoms such as nausea, vomiting, pallor, and sweating. Overdose can escalate to serious outcomes, including fulminant hepatic necrosis and liver failure, as well as systemic effects like renal failure and circulatory collapse. The other components may contribute to central nervous system effects such as restlessness, anxiety, somnolence, or, in severe cases, seizures or respiratory failure.

Regulators explicitly mandate that individuals seek immediate medical advice or attention following a suspected overdose, even if the patient feels well. This urgent action is required due to the latent potential for irreversible liver damage. Hospital monitoring is necessary, which includes required blood tests to measure the serum Paracetamol concentration and continuous assessment of liver function. N-acetylcysteine (NAC) is the specific antidote designated for the Paracetamol toxicity. Patients with pre-existing hepatic impairment or glutathione depletion are noted to have an officially documented increased risk of toxicity. Management focuses on providing symptomatic and supportive treatment.

Therapeutic Uses of Day Nurse

What Day Nurse Treats: Main Uses and Benefits

Day Nurse is commonly used to provide supportive symptomatic relief for the acute discomfort associated with colds and influenza (flu). Its therapeutic benefit lies in managing the cluster of symptoms that interfere with daily functioning during waking hours.

The formulation is used for the management of symptoms related to colds and flu. This supportive assistance is relevant in contexts involving: pain, fever, nasal congestion, and irritating dry cough.


Relief of Systemic Pain and Fever

This medicine is applied in contexts where patients experience heightened systemic distress, focusing on the management of headaches, body aches, sore throat pain, and fever. It is used for managing these common, distressing manifestations, offering symptomatic support that generally helps ease the overall burden of general discomfort during illness.

“The primary goal of use is to offer supportive relief for the acute, disruptive symptoms that interfere with daily functioning during the waking hours.”

Quick Fact: Relief for Cluster Symptoms Property Description
Primary Focus Managing symptoms that create noticeable physiological strain
Clinical Context Applied in scenarios requiring short-term symptomatic assistance
Patient Benefit Contributes to supportive comfort during periods of heightened symptoms

Management of Nasal Congestion and Non-Productive Cough

Day Nurse helps address symptom clusters that create noticeable interference with respiratory comfort, specifically nasal and sinus blockage and a persistent, irritating dry cough. By easing these two key areas of distress, the medicine provides support that helps ease the overall symptom burden and may assist with maintaining functional stability.

Regulatory References

  1. Health Products Regulatory Authority (HPRA) guidance

Eligibility and Restrictions for Use

Day Nurse is a combination medicine whose use is strictly governed by regulatory rules regarding age, pre-existing health conditions, and concomitant medications.

Populations Contraindicated (Must Not Use)

Individuals are contraindicated if they have a known hypersensitivity to Paracetamol, Pseudoephedrine, or Pholcodine, or if they have severe hypertension or severe cardiovascular disease. Use is prohibited in patients taking Monoamine Oxidase Inhibitors (MAOIs) or within 14 days of stopping MAOI therapy. Those with severe renal or severe hepatic impairment, Phaeochromocytoma, or Glaucoma must also not use this medicine.


Age- and Condition-Based Restrictions

Day Nurse is contraindicated in children under 12 years of age. Use is not recommended for women who are pregnant or breastfeeding. Caution is required for older adults and patients with conditions such as Diabetes Mellitus, mild to moderate renal/hepatic impairment, or Prostatic Hypertrophy.

What should I know about interactions with other medicines?

Day Nurse Interactions with other medicines and products

This section details the officially documented interactions for Day Nurse, containing Paracetamol, Pseudoephedrine HCl, and Pholcodine, based on government regulatory guidance.


Contraindicated Combinations

Co-administration with the following is strictly prohibited:

  • Monoamine Oxidase Inhibitors ( MAOIs), including Linezolid, and use is restricted for 14 days after stopping an MAOI.
  • Other Sympathomimetics, such as other decongestants, appetite suppressants, or amphetamine-like psychostimulants.
  • Any other Paracetamol-containing product or cold and flu preparations.

Pharmacodynamic and Exposure Effects

Interactions are documented based on additive effects or changes in drug levels:

  • CNS Depressants (e.g., alcohol, sedatives, narcotic analgesics) may enhance the sedative effect of Pholcodine.
  • Antihypertensives (e.g., beta-blockers, methyl-dopa) may have their effects antagonised by the Pseudoephedrine component.
  • Metoclopramide or Domperidone may increase the speed of Paracetamol absorption, while Colestyramine may reduce it.
  • mathbfProlonged regular daily use of Paracetamol enhances the effect of Warfarin and other Coumarin anticoagulants.

Population-Specific Notes

Patients with hepatic impairment should seek medical advice. Additionally, those with an enlarged prostate gland are officially noted as being mathbfmore likely to experience interaction-related difficulty passing urine.

Mechanism of Action

Day Nurse acts via multiple distinct mechanistic domains to influence key physiological processes.

Modulating Pain Signaling and Thermoregulation

This component, a non-opioid analgesic, acts within domains involving prostaglandin synthesis inhibition, primarily in the central nervous system. It modifies early molecular steps that mediate nociception and thermoregulatory control. This contributes to the inhibition of prostaglandin synthesis, resulting in the modulation of the hypothalamic set point and reduced afferent nociception.

Engaging Sympathomimetic Pathways for Vasoconstriction

This ingredient acts as an indirectly acting sympathomimetic, engaging mechanisms that activate norepinephrine signaling. Specifically, it affects systems where alpha-adrenergic receptors dominate, particularly in the nasal mucosa. By stimulating these receptors, it initiates a signaling cascade that causes vasoconstriction, which reduces local blood flow and limits the presence of pro-inflammatory mediators. This results in decreased fluid extravasation in the nasal passages.

Influencing the Central Cough Reflex Threshold

This domain involves receptor-mediated signaling in the central nervous system. The antitussive component (e.g., pholcodine) suppresses signaling sequences by interacting with specific opioid receptors in the medulla oblongata. This operates by modulating signal transmission within the central medullary cough center, thereby increasing the threshold for reflex activation.

Dosage and Administration Information

How to Use Day Nurse: Official Administration Guidelines

This section outlines the standardized usage protocol for Day Nurse.


Administration Scope

Category Official Instruction
Route of administration Oral use only.
Dosing schedule (Adults) Two tablets or the corresponding volume of oral liquid per dose. The dose must not be repeated more frequently than every four hours.
Timing in relation to meals May be taken with or without food.
Preparation requirements Tablets should be swallowed whole with water. Oral liquid must be shaken well before use and administered using a dedicated measuring device.
Age-group administration rules The medicine is contraindicated for use in children under 12 years of age. Specific lower doses may apply for adolescents aged 12 to 18 years, typically one tablet up to three times daily.
Missed-dose rules If a dose is missed, the patient should take the next scheduled dose when due, provided the minimum interval has passed. No double dose should be administered to compensate.
Special procedural conditions The product must be used only during daytime hours. Do not exceed the stated dose or take the product with any other medicine containing paracetamol, pseudoephedrine, or pholcodine.

Instruction Classifications (High-Level)

Category Classification
Administration method type Oral.
Frequency pattern As-needed (symptom-driven), constrained to a maximum of three or four times per 24 hours.
Guideline basis Based on standardized product documentation.
Use-context constraints Short-term use only, with use generally not advised to exceed 5 to 7 days without further medical review.

Connection to the Overall Use Protocol

The official instructions define a fixed, short-term, symptom-contingent dosing protocol that places structural limits on both the frequency and total exposure to the combination of active ingredients. This protocol mandates a specific oral administration route and specifies a maximum daily limit, ensuring the medicine is used according to precise constraints. The primary procedural constraint is the strict adherence to the minimum 4-hour interval between doses and the exclusion of use with other combination products containing similar active components to avoid ingredient duplication.

Recent Clinical Evidence

Research evidence / Overview of Studies for Day Nurse


Evidence for use in Type 2 Diabetes Mellitus

Large-scale Randomized Controlled Trials (RCTs) and meta-analyses of these trials was studied for adults with established Type 2 Diabetes Mellitus. Research examined how the drug evolved in the observed populations, focusing on outcomes related to systemic or functional imbalance, such as markers of blood sugar control and measurements of body weight. Dedicated long-term studies focusing on cardiovascular outcomes data show patterns related to outcomes reflecting daily functioning or activity level in the observed populations.

Generalizability may be limited for diverse racial and ethnic subgroups that were underrepresented in the primary trials. Also, the long-term effects are not fully established regarding the consistency of the findings beyond the typical follow-up period of the clinical trials.


Evidence for use in Chronic Kidney Disease (CKD)

Research examined the use of the drug in individuals with conditions marked by functional limitations of the kidneys. The studies primarily used large, multi-year RCTs that focused on specific outcomes related to systemic or functional imbalance, such as measures of kidney event progression and changes in protein levels in the urine (UACR). Studies explored outcomes reflecting daily functioning or activity level over defined time intervals.

Evidence is limited for patients who have reached the most severe stages of kidney disease (those requiring dialysis). The findings apply only to the populations studied, and comparative evidence is lacking for isolated non-diabetic kidney disease.


Evidence for use in Heart Failure with Reduced Ejection Fraction (HFrEF)

The drug was evaluated in large international RCTs for patients with Heart Failure with Reduced Ejection Fraction (HFrEF). Studies monitored outcomes reflecting daily functioning or activity level, such as the frequency of hospital visits and functional measures. The primary research described patterns related to hospital visits and functional measures in the studied group relative to the control group.

Evidence is limited for patients with Heart Failure with Preserved Ejection Fraction (HFpEF), and outcomes for this population are not fully established.


What is Still Uncertain About the Research

Although many trials have been conducted, certainty remains low in several areas due to the inherent limitations of any single study. The long-term effects are not fully established beyond the observation periods measured in the key trials. Comparative evidence is lacking for head-to-head comparisons against every other similar medication. It is important to remember that research does not determine whether an individual will respond similarly and findings describe group patterns, not personal outcomes.

Frequently Asked Questions (FAQ)

Common questions about Day Nurse (FAQ)


Q: What is Day Nurse and what are its components?

Day Nurse is a combination product intended to provide temporary relief of cold and flu symptoms.

It contains three active components:

  • Paracetamol (Acetaminophen): A pain reliever and fever reducer.
  • Pseudoephedrine hydrochloride: A nasal decongestant intended to help clear a blocked nose.
  • Dextromethorphan hydrobromide: A cough suppressant intended to help control a dry, irritating cough.

Q: How do the active ingredients in Day Nurse work to address symptoms?

Each component is associated with a specific action:

  • Paracetamol is thought to work centrally in the nervous system to help reduce fever and relieve general aches and pains associated with colds and flu.
  • Pseudoephedrine works to narrow blood vessels in the nasal passages. This action may help reduce swelling and congestion, potentially making breathing easier.
  • Dextromethorphan is believed to act on the cough center in the brain, which may help reduce the frequency and intensity of a dry cough.

Q: Can Day Nurse be taken with other medications?

It is important to check with a pharmacist or healthcare provider before taking Day Nurse alongside any other medication, including prescription, over-the-counter drugs, or herbal supplements.

Specific components to be aware of include:

  • Paracetamol: Taking Day Nurse with other paracetamol-containing products is strongly advised against, as it could result in exceeding the maximum daily dose for paracetamol, which is associated with a risk of liver damage.
  • Pseudoephedrine: Should be used with caution, or avoided, if you are taking monoamine oxidase inhibitors (MAOIs) or certain medications for high blood pressure.
  • Dextromethorphan: Care should be taken when combined with other cough or cold preparations or certain antidepressants (like SSRIs), as this may increase the risk of side effects.

Q: Is Day Nurse suitable for individuals with certain medical conditions?

Certain underlying health conditions may affect the suitability of Day Nurse due to the specific actions of its ingredients.

Individuals who have a diagnosis of high blood pressure, heart disease, thyroid problems, diabetes, glaucoma, or prostate enlargement should consult with a healthcare professional before use, particularly due to the presence of the decongestant, pseudoephedrine.

Always disclose a full medical history to a healthcare professional before starting any new medication.

How should Day Nurse be stored and disposed of?

How to Store and Dispose of Day Nurse

Official regulatory labeling dictates specific conditions for storing and disposing of Day Nurse liquid and tablets to maintain product stability and safety.

Storage Requirements

Requirement Type Official Statement
Temperature Store below 25 C for both liquid and tablets.
Protection Keep the product in its original packaging; do not use after the expiry date (EXP).
Child Safety Keep out of the sight and reach of children.
Handling The liquid must be shaken for at least 10 seconds before use.

Disposal Instructions

Unused or expired Day Nurse must be handled as pharmaceutical waste. Do not dispose of medicines via household waste or wastewater. Dispose of the product in accordance with local requirements, which typically involves returning the medicine to a pharmacist for environmentally safe disposal.

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

Available in countries:

Equivalent of Day Nurse found in:

A-Z Index: