Reukap P

Quick links to important sections

Reukap P

Treatment option: Asthma, Bronchospasm

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 Reukap P

What is Reukap P?

Reukap P is a pharmaceutical combination product designed for the management of pain and inflammation. It belongs to a category of medications that combine different active ingredients to target multiple pathways of discomfort simultaneously.

Components and Mechanism

The formulation typically consists of two primary components that work in coordination:

  • Analgesic and Antipyretic Agent: This component is included to help reduce pain signals and manage elevated body temperature.
  • Non-Steroidal Anti-Inflammatory Drug (NSAID): This part of the formulation works by inhibiting specific enzymes in the body that produce prostaglandins, which are the chemical messengers responsible for triggering inflammation and swelling.

Intended Use

Reukap P is utilized in various clinical scenarios where inflammation contributes significantly to a patient's discomfort. It is commonly associated with the management of musculoskeletal conditions, including:

  • Chronic joint discomfort and swelling.
  • Acute inflammatory episodes affecting the soft tissues.
  • Pain resulting from physical strain or underlying inflammatory disorders.

By addressing both the sensation of pain and the underlying inflammatory process, the combination aims to provide more comprehensive relief than single-ingredient alternatives for certain conditions. The medication is formulated to assist in improving functional mobility by reducing the physical barriers caused by inflammatory responses.

Regulatory References

  1. NIH, MedlinePlus

What side effects are possible with Reukap P?

Possible Side Effects and Safety Information

The officially documented safety profile for Reukap P (Ephedrine) is defined by its action as a sympathomimetic amine, leading to adverse reactions concentrated in the cardiovascular and central nervous systems, as classified by regulatory authorities.


Adverse Reaction Categories

Side effects are categorized by frequency and the body system affected, based on official labeling and regulatory documentation:

  • Common Reactions: Adverse events reported with a frequency of ge 1/100 include central nervous system (CNS) effects such as nervousness, restlessness, insomnia, and tremor. Cardiovascular reactions frequently documented include palpitations and tachycardia (increased heart rate).
  • Uncommon Reactions: Less frequent events (ge 1/1,000) include cardiac arrhythmias and issues affecting the urinary system, such as dysuria (painful urination) or urinary retention.
  • Frequency Not Known: Cases of severe reactions such as psychotic states, hallucinations, and hypertensive crisis have been reported, though their exact incidence cannot be estimated from available data.

Documented Safety Constraints

Official labeling defines specific restrictions and safety considerations for Reukap P use:

  • Serious Adverse Reactions: Regulators explicitly highlight the risk of severe hypertension which may lead to hypertensive crisis or, rarely, intracerebral hemorrhage.
  • Population-Specific Considerations: The risk of urinary retention is noted to be greater in older adults and males with existing prostatic enlargement. Additionally, use requires particular caution in individuals with pre-existing cardiovascular disease.
  • Safety Restrictions: The medication is formally contraindicated in patients with uncontrolled narrow-angle glaucoma and in those who are currently receiving, or have recently discontinued (within 14 days), therapy with Monoamine Oxidase Inhibitors (MAOIs), due to the documented risk of severe hypertensive reaction.

Overdose and Emergency Response

Overdose and when to seek help

An overdose of Reukap P (Ephedrine) is officially associated with severe and potentially life-threatening manifestations, necessitating immediate medical attention. The management approach is defined entirely by the observed symptoms, as no specific antidote is available.

Documented Overdose Manifestations

Overdose may present with severe cardioneurotoxicity, including ventricular and supraventricular arrhythmias, a rapid rise in hypertension, and significant CNS effects such as convulsions, coma, paranoid psychosis, anxiety, or fever. Physiological findings may include respiratory depression and marked hypokalaemia (low potassium levels). The approximate lethal dose in humans is cited in regulatory documents as 2 g.

When to Seek Urgent Help

Immediate medical help must be sought for any suspected overdose. Urgent intervention is required for the most severe, life-threatening symptoms, including the onset of convulsions, coma, or an unacceptable rise in blood pressure. Management may require intensive supportive treatment and continuous monitoring.

Official Management Approach

Because no specific antidote exists, treatment is symptomatic and supportive. Specific measures include the use of agents like labetalol for certain arrhythmias and potassium chloride infusion to correct documented hypokalaemia. Patients with impaired renal function may experience prolonged effects due to slower elimination and may require careful monitoring.

Therapeutic Uses of Reukap P

Reukap P (Ephedrine) is commonly used across several distinct therapeutic domains, primarily offering supportive symptomatic relief in acute and episodic clinical situations. The medication's use is centered on addressing symptoms related to systemic imbalance and heightened physiological activity, providing a supportive therapeutic benefit.

The medication is relevant for easing symptoms related to three primary areas: acute circulatory failure, reversible airway restriction, and upper respiratory congestion. It is applied in clinical settings that involve acute or unstable symptom patterns, such as managing clinically important hypotension during anesthesia, addressing wheezing and shortness of breath associated with conditions like mild asthma, and providing relief for a stuffy nose caused by allergic conditions.

“The support provided contributes to maintaining a sense of stability during periods of acute physiological stress, assisting with functional stability.”

Reukap P is considered relevant when supportive symptom management is appropriate during difficult symptomatic phases and helps patients cope more steadily with symptom fluctuations.


Quick Fact: Relief for Acute Symptom Episodes The drug is relevant for easing symptoms related to two core therapeutic areas: circulatory support and addressing airway restriction.

Regulatory References

  1. NIH Ephedrine Monograph

Eligibility and Restrictions for Use

Eligibility Scope

Populations for whom use is allowed: Adults (for certain labeled indications)
Populations for whom use is contraindicated: Hypersensitivity to ephedrine, Phaeochromocytoma, Closed-angle glaucoma, Asymmetric septal hypertrophy, Concomitant or recent (within 14 days) use of Monoamine Oxidase Inhibitors (MAOIs).
Populations for whom use is not recommended: Pregnant women, Breastfeeding mothers, Pediatric patients (under 18 years for injection, under 12 years for certain oral forms).

Condition-Specific Eligibility Rules

  • Renal Impairment: Use requires caution, as slower elimination of the drug may prolong its effects and increase the risk of adverse reactions.
  • Geriatric Population: Caution is required due to the greater likelihood of decreased renal, hepatic, or cardiac function, reflecting increased sensitivity to its effects.
  • Cardiovascular Conditions: Use requires caution in patients with pre-existing conditions like hypertension, ischaemic heart disease, or cardiac arrhythmias.

Resulting Eligibility Structure

Official regulatory documents establish prohibition for specific high-risk cardiac conditions and co-medications, such as MAOIs, as absolute contraindications. Limitations are placed on its use in pediatric populations (use not established) and require caution for geriatric patients and those with existing comorbidities like hypertension or renal impairment. Use is also officially avoided during pregnancy and breastfeeding.

What should I know about interactions with other medicines?

Reukap P Interactions with other medicines and products

The official regulatory profile for Reukap P (Ephedrine) details specific interaction patterns with other medicinal products and substances. High-risk combinations are contraindicated, including all Monoamine Oxidase Inhibitors (MAOIs), which must not be co-administered or used within 14 days of Ephedrine due to the documented risk of severe hypertensive crisis. Co-administration with Halogenated Volatile Anaesthetics is also prohibited because it may increase cardiac irritability, raising the possibility of ventricular arrhythmias.

Numerous interactions involve pharmacodynamic potentiation, where the pressor and cardiac effects of Ephedrine are augmented. This occurs with Oxytocic Drugs, creating a risk of serious postpartum hypertension, and with other sympathomimetic agents and Tricyclic Antidepressants. Conversely, products such as alpha- and beta-adrenergic antagonists exhibit antagonistic effects, officially reducing the intended circulatory or bronchodilator responses of Ephedrine.

Pharmacokinetic interactions are documented where substances like urinary alkalinisers can increase Ephedrine's systemic exposure by altering the rate of renal tubular reabsorption. Furthermore, Ephedrine is noted to increase the clearance rate of certain co-administered medicinal products, such as the corticosteroid Dexamethasone. It is also officially documented that the elderly population may exhibit greater sensitivity to the cardiovascular effects, indicating a population-specific consideration for interaction severity.

Mechanism of Action

How Reukap P Works — Mechanism of Action

Reukap P operates through dual modulation of the key systems that determine cardiovascular function, resulting in the simultaneous adjustment of two physiological determinants.

Modulation of Peripheral Vascular Resistance

The first component of Reukap P acts as a Ca^2+ channel blocker, engaging the mechanism of L-type voltage-gated calcium channels ( CaV1) on vascular smooth muscle cells. By inhibiting the influx of extracellular calcium ions, the drug suppresses the signaling cascade required for muscle contraction. This action leads to the relaxation and widening of peripheral blood vessels, which reduces the systemic vascular resistance and lowers the pressure gradient against which the heart ejects blood.

Dampening Sympathetic Output

The second component functions as a beta1-adrenergic receptor antagonist, effectively blocking the binding of endogenous catecholamines (like norepinephrine) primarily at cardiac receptors. This action engages mechanisms that influence activity from the Sympathetic Nervous System (SNS). The modification of this molecular step results in a change in heart rate (negative chronotropy) and a change in the force of contraction (negative inotropy).

Integration of Mechanistic Effects

The concurrent action of these two distinct mechanistic domains alters activity across targeted pathways. This dual intervention produces measurable physiological adjustments that influence the overall effect profile by modulating cardiac output and systemic vascular tone.

Dosage and Administration Information

How to Use Reukap P

Reukap P (Ephedrine) is administered through distinct routes with specific dosing and preparation requirements, depending on whether it is used in a specialized acute setting or for temporary relief.

Administration Routes and Settings

The primary approved routes of administration are the intravenous (IV) bolus injection for acute hospital use and oral administration via tablets for temporary, symptomatic relief. A topical (nasal) spray is also a documented route for transient nasal applications.

Official Dosing and Frequency Patterns

Administration Route Standard Adult Dosing (Starting/Maintenance) Frequency and Limits Specialist Conditions
Intravenous (IV) Initial dose of 5 mg to 10 mg (Ephedrine Sulfate) Repeated as needed (titration) to blood pressure goal; cumulative dose must not exceed 50 mg per acute episode. Must be administered by slow intravenous injection and solely under the supervision of an anesthetist or specialist.
Oral (Tablets) 12.5 mg to 25 mg per dose (Ephedrine Hydrochloride) Taken up to every 4 hours as required; total daily dose must not exceed 150 mg. Use is generally restricted to patients 12 years of age and older.

Preparation and Procedural Constraints

Certain concentrated IV solutions (e.g., 50 mg/mL) must be diluted with an appropriate fluid before injection, while ready-to-use solutions must not be diluted. For older adults, dosing should be initiated at the low end of the established range due to general considerations regarding age and organ function. The topical nasal formulation should not be used for more than 3 consecutive days.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Reukap P

The information below summarizes the scientific research landscape for Reukap P (Ephedrine), focusing on the study designs, what researchers measured, and where the evidence still has gaps, based on official regulatory and scientific reviews. Research provides context but not individual predictions; findings describe group patterns, not personal outcomes.


Evidence for Acute Circulatory Support

Research has focused on Randomized Controlled Trials (RCTs) to examine the substance’s use for hypotension (low blood pressure) during surgical anesthesia. These short-term studies monitored physiological metrics, including blood pressure and heart rate, over defined time intervals. Findings describe patterns observed in these acute settings. Regulators note an ongoing scientific discussion regarding the impact on neonatal acid-base status in the obstetric setting. Some research reports patterns of a diminishing physiological response that was observed in some studies when the substance was used repeatedly.


Research on Historical Uses and Other Contexts

The evidence base for addressing airway issues consists primarily of older clinical studies and systematic reviews that explored outcomes related to physical discomfort. Due to the subsequent development of other treatments, the availability of contemporary, high-quality RCTs is limited in this area. For weight management, systematic reviews explored the substance’s use for changes in Body Weight (BW) and Body Mass Index (BMI), often in combination with caffeine. Findings were mixed and limited to short intervals (up to 6 months). For Myasthenia Gravis, evidence relies on specialized, small-scale randomized trials.


Limitations and Areas of Research Uncertainty

The most significant limitation across all studied contexts is the lack of information for long-term outcomes. Studies primarily explored acute and short-term symptom changes; consequently, long-term effects are not fully established. Data for specific populations, including older adults with complex profiles and pediatric groups, remain insufficient, and subgroup findings are uncertain. Regulatory consensus highlights that use as a dietary supplement carries an unreasonable risk. Certainty remains low where evidence relies solely on small-scale or historical trials.

Key Studies & References

  1. Effects of Ephedrine-Containing Products on Weight Loss and Lipid Profiles: A Systematic Review and Meta-Analysis of Randomized Controlled Trials (2021)
  2. Ephedrine treatment for autoimmune myasthenia gravis: A series of randomized controlled n-of-1 trials (2017)
  3. Ephedrine - StatPearls - NCBI Bookshelf (Review of indications, mechanism, and use in obstetrics/pediatrics)

Frequently Asked Questions (FAQ)

Common questions about Reukap P (FAQ)


Q: Is Reukap P used for pain relief?

Regulatory documents state that Reukap P is officially intended for circulatory support (to increase blood pressure) and for its ability to cause bronchodilation (widening of the airways). The medicine's core purpose is not defined as being for the treatment of pain.


Q: What is the expected length of time Reukap P stays active in the body?

According to official product information, the primary physiological effects of the medicine, such as the increase in blood pressure following an injection, typically last for about one hour. The time required for the body to process and eliminate half of the substance, known as the half-life, is described as generally ranging from 3 to 6 hours.


Q: Can Reukap P be taken with simple over-the-counter cold remedies?

Official warnings state that Reukap P can have an augmented (increased) effect on the heart and circulation if it is co-administered with other sympathomimetic agents. Many over-the-counter cold remedies contain this class of substance, and combining these types of products is a matter of particular caution mentioned in official profiles.


Q: Does the use of Reukap P affect blood tests?

While laboratory values were monitored in research studies, no wide-ranging treatment-related adverse changes in general lab tests are noted. However, official information does indicate that Reukap P may affect blood glucose levels, which is a consideration for specific patient populations.


Q: Is Reukap P described as a medicine that you can stop taking suddenly?

The oral tablet is approved for use as required for temporary relief, suggesting a non-continuous use pattern in certain cases. However, discontinuing use, particularly after high-dose or long-term administration, has been associated with effects such as fatigue and mood changes. Guidance on how to stop using the medicine, particularly after long-term use, is provided by the prescribing healthcare provider.


Q: Is there any evidence about Reukap P and driving ability?

Official patient information indicates that Reukap P may cause central nervous system effects such as dizziness, nervousness, and tremor. Due to these potential effects, official information indicates that individuals should be aware that these effects may impact their ability to safely drive or operate machinery.


Q: What is the official definition of the main condition Reukap P treats?

Reukap P is primarily used in acute settings to address hypotension (a clinically relevant drop in blood pressure). It is also used to achieve bronchodilation, which is the widening of the airways in the lungs.


Q: Are there different forms of Reukap P available (e.g., tablet, liquid)?

Yes, regulatory documents describe several different forms to suit various requirements. These include a sterile aqueous solution for injection, solid matrix tablets for oral use, and a documented topical (nasal) spray formulation.


Q: Why do some patients need a higher strength of Reukap P than others?

Dosage is highly individualized and is often titrated by a specialist to achieve a patient’s specific clinical goal, such as a target blood pressure. Official documents note that initial dosage must be adjusted based on the patient's individual response to the medication. For example, older adults may be started at the low end of the established dosage range.


Q: What is the difference between Reukap P and a generic version?

Reukap P is the original brand-name product whose active ingredient is Ephedrine. According to regulatory standards, a generic version must contain the identical active ingredient in the same amount, but it may have differences in its inactive ingredients or trade name.


Q: What is considered a 'rare' side effect for Reukap P?

Official regulatory documents categorize side effects by frequency, such as common or uncommon. Cases of severe reactions such as psychotic states or hypertensive crisis have been reported, but their exact rate of occurrence in the general population is often listed as 'frequency not known' from available data.


Q: Why is Reukap P sometimes mentioned as being different from similar medicines?

Reukap P (Ephedrine) is classified as a Sympathomimetic Amine that operates through a dual action mechanism. This means it stimulates both alpha and beta adrenergic receptors, which distinguishes its combined physiological effects from those of certain similar medicines that may only influence one receptor type.


Q: Is Reukap P known to interact with caffeine?

Yes, the official profile cautions that co-administration of Ephedrine with products containing caffeine may increase its stimulating effects on the heart and circulation. Combining them may heighten adverse symptoms such as nervousness, nausea, and difficulty sleeping.


Q: What happens if I accidentally take Reukap P close to bedtime?

Reukap P is a stimulant, and a commonly reported adverse reaction is insomnia (difficulty falling or staying asleep). Taking the medicine too close to bedtime may increase the likelihood of experiencing this stimulating effect.


Q: Does Reukap P interact with alcoholic beverages?

Official patient safety information advises that using Reukap P concurrently with alcohol may lessen a person's ability to drive safely or to perform other tasks that require full mental alertness.


Q: How does the effectiveness of Reukap P change over time?

Official regulatory documents explicitly mention the potential for tachyphylaxis following repeated administration of the drug. Tachyphylaxis is the term used to describe a rapidly developing decrease in the body's therapeutic response to the drug's effects over time.


Q: Does the official information for Reukap P mention anything about weight change?

The overview of research notes that past studies examined the substance’s use for changes in Body Weight (BW) and Body Mass Index (BMI). However, weight change is not included in the officially documented lists of common or uncommon adverse reactions.


Q: Can Reukap P interact with herbal teas or supplements?

The official drug profile cautions that interactions exist with various non-prescription products. It is documented that some supplements, such as urinary alkalinisers, can change the way the medicine is eliminated from the body, which can alter its systemic exposure.


Q: Is it true that Reukap P can cause dry mouth?

Dry mouth is a possible effect associated with medicines in the sympathomimetic pharmacological class, which includes Reukap P. While it is not always listed among the most common adverse reactions, it is considered a potential effect related to the drug's mechanism of action.


Q: Are there any specific warning signs that mean I should stop taking Reukap P?

The safety profile highlights the risk of severe reactions, most notably severe hypertension and serious cardiac issues. Any severe or unexpected symptoms, such as an extremely rapid heart rate, chest pain, or a sudden, severe headache, are the types of serious indications that require immediate attention from a healthcare professional.


Q: What official health bodies have approved Reukap P?

The use of Reukap P is authorized by major national authorities. In the United States, it is approved by the U.S. Food and Drug Administration (FDA), and its use is also authorized by bodies like the European Medicines Agency (EMA) in Europe.


Q: Is it possible to develop a tolerance to Reukap P over time?

Official regulatory documents explicitly mention the potential for developing tolerance and tachyphylaxis following repeated use. Tolerance refers to the need for a progressively higher dose to achieve the same effect over time.


Q: Why is it important to know who cannot use Reukap P?

It is important because the official regulatory profile establishes contraindications (absolute prohibitions) for specific patient groups and co-medications. These prohibitions exist due to the documented risk of severe, life-threatening reactions, such as a hypertensive crisis when combined with MAOIs.

How should Reukap P be stored and disposed of?

How to Store and Dispose of Reukap P

The official regulatory guidelines for Reukap P (Ephedrine) define specific storage and disposal requirements to maintain product integrity and ensure safety.

Storage Requirements

  • Temperature: The medication must be stored at Controlled Room Temperature, which is 20 to 25 C (68 to 77 F), with the tablet form carrying a restriction to not store above 25 C.
  • Protection: It must be kept in the original container to protect from light.
  • Stability: Any diluted injection solution must be discarded after 24 hours, and the solution should not be used if it appears colored or cloudy.
  • Child Safety: The product must be kept out of the sight and reach of children.

Disposal Instructions

  • Unused Product: Any unused portion of the single-dose injection must be discarded immediately after use.
  • Sharps: Used syringes and injection components must be disposed of into an appropriate medical waste container (sharps container).
  • General: Disposal of expired or unused medication must follow local regulations.

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

Available in countries:

Equivalent of Reukap P found in:

A-Z Index: