Revil

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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 Revil

What is Revil? (Ramipril)

Property Description
Active ingredient Ramipril (INN)
Form Oral Tablets or Capsules
Pharmacological class Angiotensin-Converting Enzyme (ACE) Inhibitor
Common use Systemic cardiovascular management
Origin Synthetic compound, classified as a Prodrug

What Type of Medicine is Revil? (Identity and Classification)

Revil is a prescription-only medication defined by its active component, Ramipril, which belongs to the class of Angiotensin-Converting Enzyme (ACE) Inhibitors. This classification is clinically recognized for its essential role in maintaining cardiovascular health. Ramipril is a synthetic compound classified as a prodrug because it is biologically inactive upon ingestion and requires conversion by the liver into its active therapeutic form, Ramiprilat. The pharmacological action of Ramipril involves the suppression of the enzyme responsible for creating the powerful vasoconstrictor Angiotensin II. This means the medicine works by interfering with the body's natural signaling system that tightens blood vessels.


Composition and Form of Revil (Physical Nature)

The drug Revil is manufactured for oral administration and is presented as a scored tablet or capsule. It is a single-ingredient product, containing only Ramipril as the active component, combined with necessary solid excipients required to create the final dosage unit. The oral route is utilized to ensure simple and consistent delivery of Ramipril for the chronic management of cardiovascular conditions. This confirms that taking the medicine by mouth is the established method for the substance to enter the bloodstream. The distinct shape and scoring of the tablet allow for flexible dosing as required.


Revil's General Role in Cardiovascular Management (High-Level Purpose)

The overall purpose of Revil is to assist the body in maintaining balanced blood pressure dynamics. This type of therapeutic intervention is a typical component of long-term care for adult patients managing cardiovascular risks. By inhibiting the ACE enzyme, the drug encourages the relaxation and widening (vasodilation) of the arteries. This fundamental action reduces the resistance against which the heart must pump, decreasing peripheral vascular resistance and lessening the overall workload on the heart muscle.

Regulatory References

  1. European Medicines Agency

What side effects are possible with Revil?

Possible Side Effects and Safety Information

The safety profile of Revil (Ramipril), an ACE Inhibitor, is characterized by adverse reactions documented across multiple physiological systems, categorized by frequency in official regulatory documents. Safety classifications are based on observed rates in clinical use, ranging from very common to those of unknown frequency.


Frequency-Based Adverse Reactions

Classification Representative Documented Effects
Common Headache, Dizziness, Non-productive tickling cough, Hypotension, fatigue, and increased blood potassium levels.
Uncommon/Rare Myocardial ischaemia, inflammation of the pancreas, hepatic enzyme increases, and the appearance of a confusional state.

Serious Adverse Reactions and Safety Constraints

Regulatory documentation highlights serious adverse reactions, including Angioedema (severe swelling of the face, tongue, or larynx) and rare but significant events such as acute renal failure and fulminant hepatic necrosis. The risk of symptomatic hypotension is noted to be most likely at the initial dose or following a dose increase.

Specific constraints include the absolute contraindication of Revil in pregnant women due to the risk of fetal injury. Safety labels also document a higher rate of angioedema in Black patients and mandate cautious use and dose adjustments for individuals with existing renal or hepatic impairment. Furthermore, the medicine is contraindicated with specific drug classes, such as neprilysin inhibitors.

Overdose and Emergency Response

Overdose and when to seek help

The information in this section reflects the official documented profile for Revil (Ramipril) and the mandated actions described by regulatory authorities.

Documented Overdose Manifestations

The primary documented clinical sign of overdose is profound hypotension (severely low blood pressure), which may be accompanied by dizziness or fainting (syncope), and bradycardia (abnormally slow heart rate). In severe cases, the official labeling recognizes the potential for progression to life-threatening outcomes, including circulatory shock, acute renal failure, and the physiological finding of hyperkalemia (elevated serum potassium).

Official Emergency Actions

Immediate medical attention is required upon the suspicion of an overdose. Treatment is specified as symptomatic and supportive, as no specific antidote is known for Ramipril. Regulator-mandated supportive measures for severe hypotension include placing the patient in a supine position and initiating an intravenous infusion of physiological saline for volume expansion. Monitoring requirements involve close observation of vital signs, serum electrolytes, and renal function until the patient is stable.

Therapeutic Uses of Revil

What Revil Treats: Main Uses and Benefits

Revil is commonly used to help with long-term cardiovascular management to manage disease states and may assist with protection for vital organs. It is applied in addressing conditions presenting with systemic or localized discomfort rather than providing short-term relief for acute symptoms.

The medicine is commonly used to help with blood pressure management and risk reduction in high-risk patients.

The core therapeutic domains are applied in addressing high blood pressure (hypertension), is commonly used to help with heart failure, and is relevant for easing the overall risk of heart attacks and strokes. It is also relevant for easing symptoms linked to organ-specific functional stress, such as in cases of diabetic nephropathy. This supportive approach helps ease the overall symptom burden on the arteries and heart. This supports general well-being during symptomatic phases and helps maintain a sense of stability when **symptoms are more noticeable.

Quick Fact: Relief for Circulatory Strain
Revil is relevant for easing symptoms related to heightened physiological activity (circulatory strain), which plays a role in managing the risk of conditions where symptoms may intensify temporarily.

Regulatory References

  1. NIH DailyMed label for Ramipril

Eligibility and Restrictions for Use

The official regulatory documents for the active ingredient in Revil (Pheniramine Maleate) define specific populations who must not use the medicine and others for whom use is restricted or requires special caution.


Eligibility Constraints

Classification Populations & Conditions (Official Statements)
Contraindicated Individuals with known hypersensitivity or allergy to pheniramine or any other ingredient in the formulation. Use is contraindicated in newborn and premature infants and in patients currently receiving MAO-inhibitor therapy.
Restricted Use/Caution Use requires caution in patients with: narrow-angle glaucoma, symptomatic prostatic hypertrophy (enlarged prostate), bronchial asthma, or severe cardiovascular disease (severe heart diseases).
Age-Related Use is not recommended in premature infants and new-born babies. Older children and adults may be eligible, but injection in infants and children up to 12 years must be administered intramuscularly.
Physiological Status Use in pregnant and breast-feeding women is restricted and should only occur if the potential benefits outweigh the risks, and must be clearly advised by the doctor.

These official statements define a clear exclusion for individuals with hypersensitivity or who are taking specific medications, such as MAO inhibitors. They also establish limitations based on age and physiological status, making the medicine not recommended for premature or newborn infants. Caution is mandated for use in patients with specific concurrent health issues like severe heart conditions or glaucoma.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interaction Scope and Constraints

The official interaction profile for Revil focuses primarily on pharmacokinetic interactions related to its metabolism by the cytochrome P450 enzyme CYP3A4 and potential pharmacodynamic interactions related to its effect on serotonin. These established constraints dictate how Revil may be co-administered with other substances.

Clinically Significant Interactions

1. CYP3A4 Modulators (Enzyme/Transporter Effects):

  • Contraindicated Combinations: Co-administration with strong CYP3A4 inhibitors (e.g., specific antifungals) is contraindicated. These agents significantly increase Revil exposure (AUC and Cmax), potentially leading to toxicity.
  • Avoided Combinations: Concomitant use with strong CYP3A4 inducers (e.g., rifampin, St. John's Wort) must be avoided, as they significantly decrease Revil exposure, potentially reducing its effectiveness.
  • Required Monitoring: Use with moderate/weak CYP3A4 inhibitors or transporter inhibitors (P-gp/BCRP) results in elevated drug levels, necessitating clinical monitoring or a dosage evaluation.

2. Serotonergic Agents (Pharmacodynamic Effects):

  • Use with other serotonergic medicinal products (e.g., SSRIs, SNRIs) requires caution. This co-administration increases the risk of a pharmacodynamic interaction known as Serotonin Syndrome.

3. Timing and Food:

  • The label may specify that acid-reducing agents or certain foods require temporal separation from Revil's administration to prevent interference with drug absorption and maintain appropriate plasma concentrations.

Mechanism of Action

How Revil Works

Targeting Neuronal Excitability

This mechanism involves Revil physically interacting with two essential components of nerve signaling: voltage-dependent sodium channels and NMDA-type glutamate receptors. By blocking the passage of ions ( Na^+ and Ca^2+) through these channels, the drug promotes the stabilization of nerve cell membranes and reduces their ability to generate rapid, excessive electrical signals.

Modulating Excitatory Pathways

Revil acts within the glutamatergic signaling pathway, which is responsible for excitatory chemical communication in the central nervous system. The drug functions as an antagonist to certain receptors and modulates the overall release of glutamate, leading to a reduction in the strength and duration of excitatory chemical messages. This suppression of excessive signaling is a core physiological action that contributes to the modulation of nerve function by reducing excitatory signaling.

Neuroprotective Physiological Effect

The combined effect of stabilizing nerve membranes and dampening excitatory chemical communication results in a neuroprotective outcome by reducing excitotoxicity. This mechanism limits the impact of chronic overstimulation (excitotoxicity) on vulnerable nerve cells. By engaging these mechanisms, Revil influences processes that maintain nerve function and modulates physiological responses associated with heightened activity.

Dosage and Administration Information

Revil (pheniramine maleate) is available in oral and injectable forms, and its administration must strictly follow the dosing and schedule prescribed by a healthcare provider. The recommended dosage and duration of therapy depend on the patient's age, body weight, and the condition being treated.

Oral Administration

  • Tablet/Capsule: The medication should be swallowed whole with a sufficient amount of water. Do not chew, break, or open the capsule/tablet.
  • With or Without Food: Revil may be taken with or without food, though taking it with food may help mitigate potential gastrointestinal discomfort.
  • Missed Dose: If a dose is missed and less than 12 hours have passed since the scheduled time, the patient may take it as soon as it is remembered. If more than 12 hours have passed, the missed dose should be skipped, and the regular dosing schedule resumed.

Parenteral Administration

  • Injection: The Revil injection is typically administered by a physician or qualified nurse, either intramuscularly (into a muscle) or as a slow intravenous (into a vein) injection.
  • Pediatric Use: For infants and children up to 12 years of age, the injection is generally given intramuscularly.

Important Considerations

All patients must adhere to the prescribed treatment schedule. The use of this medication can cause drowsiness, and caution is advised regarding activities requiring high mental alertness, such as driving or operating heavy machinery. Patients with underlying conditions such as severe cardiovascular disease, narrow-angle glaucoma, or severe liver impairment require careful monitoring and potential dose adjustment.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Revil


Evidence for Use in High Blood Pressure (Hypertension)

This section will summarize the structure of the clinical evaluation for evaluating changes measured in high blood pressure, focusing on the randomized controlled trials (RCTs) that measured blood pressure changes and the populations included in these initial studies.

The research exploring the use of Revil for high blood pressure was primarily conducted through short-term and intermediate-term Randomized Controlled Trials (RCTs). Researchers consistently measured and tracked both systolic and diastolic blood pressure in adults with varying degrees of hypertension. Studies monitored changes in blood pressure levels, and the findings describe patterns observed during the treatment period compared to control groups. The measured changes in blood pressure were observed to vary across different ethnic groups included in the studied populations. The long-term durability of blood pressure control is not fully characterized solely by the initial controlled trials.


Evidence for Cardiovascular Event Risk Reduction in High-Risk Patients

Evidence for this purpose includes data from a large-scale, long-term, randomized, placebo-controlled trial (the HOPE study) which followed high-risk adults, typically aged 55 years or older, over several years. The main outcomes monitored were the combined occurrence of heart attack, stroke, or cardiovascular death.

Research highlights changes measured during the study period. Findings describe patterns related to the documented frequency of these events in the Revil group. The research indicates patterns in outcomes that were monitored were independent of the modest blood pressure changes measured in the population during the trial. The applicability of these findings is limited to the specific high-risk patient criteria, and direct comparative evidence against every alternative treatment in this specific context is limited.

Key Studies & References

  1. Long-term survival benefit of ramipril in patients with acute myocardial infarction complicated by heart failure: The AIREX study

Frequently Asked Questions (FAQ)

Common questions about Revil (FAQ)


Q: What is the active ingredient in Revil?

The single active component in this medication is Ramipril. This is the key therapeutic substance that determines the drug's action and effects, according to official labeling.

Q: How is Revil described to function or work in the body?

Official drug documents describe Revil as a prodrug. This means that when it is taken, it is biologically inactive and must be converted by the liver into its active therapeutic form, called Ramiprilat. Ramiprilat is the substance that then acts as an ACE Inhibitor.

Q: What is the primary action of Revil that results in its therapeutic effect?

The primary mechanism involves inhibiting the Angiotensin-Converting Enzyme (ACE). By suppressing this enzyme, the drug encourages the relaxation and widening (vasodilation) of the arteries, which lessens the overall workload on the heart.

Q: Does Revil affect brain chemistry?

The drug's mechanism of action involves interacting with components of neuronal excitability and the glutamatergic signaling pathway within the central nervous system. This suggests an influence on nerve function in the brain and spinal cord, as described in official documents.

Q: What is the difference between the brand name and the generic version of Revil?

Official regulatory sources define the drug by its active component, Ramipril. Generic versions are required to be chemically and biologically equivalent to the brand name product, meaning they contain the same active ingredient.

Q: Is Revil generally suitable for adults over the age of 65?

Clinical evidence includes data from studies that examined older adult populations. Long-term trials included high-risk adults, typically aged 55 years or older, and provide the basis for understanding its documented safety profile in this demographic.

Q: Is Revil considered non-habit forming?

As the drug is not scheduled under the Controlled Substances Act, it is factually described in official sources as not having addiction potential as defined by controlled substance legislation.

Q: Is there a maximum amount of time Revil is approved for continuous use?

The drug is officially indicated for the long-term care and chronic management of cardiovascular risks. Studies have monitored outcomes over several years of continuous use, which indicates that the drug is compatible with ongoing therapy for chronic conditions.

Q: How quickly can a person expect to notice the effects of Revil?

Clinical pharmacology data typically details the time to peak plasma concentration and the onset of therapeutic effect after administration. This information provides the evidence base for patient expectations regarding the drug's timeline.

Q: Does Revil have a reputation for causing long-term side effects?

Regulatory documents include safety data gathered from large-scale, long-term, randomized trials that monitored the drug's safety profile over several years of use. This evidence provides the documented understanding of the long-term safety profile.

Q: Is there a possibility of an allergic reaction to Revil?

Official guidance specifically contraindicates the use of Revil in individuals who have a known hypersensitivity or allergy to the drug or any of its ingredients. This establishes that the potential for an allergic reaction exists.

Q: Are there any serious or rare side effects associated with Revil that are listed in the regulatory documents?

Regulatory documents list serious adverse reactions that have occurred in clinical settings. These include conditions such as severe swelling (Angioedema), acute renal failure, and rare but significant liver damage like fulminant hepatic necrosis.

Q: Can Revil affect a person's mood or emotional stability?

The official side effect profile includes reports of confusional state as an uncommon adverse reaction. This is a documented effect on a person's mental status or stability.

Q: Can Revil affect blood sugar levels or diabetes management?

Official documentation lists precautions for use in diabetic patients. The labeling notes a potential risk of symptomatic hypoglycemia (low blood sugar) for individuals with diabetes using the medication.

Q: Can people with pre-existing liver conditions safely use Revil?

Official documentation notes that the administration of Revil in patients with existing severe liver impairment is associated with the need for careful monitoring. The guidance also describes the possibility of a dose evaluation due to the documented risks of adverse effects related to the liver.

Q: Are there any restrictions on activities like driving while using Revil?

Official documents advise caution regarding activities that require high mental alertness, such as driving or operating heavy machinery. This warning is due to the potential for the side effect of drowsiness.

Q: Is it safe to consume alcohol while taking Revil? (Informational only)

Official documentation describes a risk where the drug's effects, such as drowsiness and dizziness, may be enhanced by alcohol consumption. The drug label specifically warns about activities that require high mental alertness.

Q: What types of food or drinks should be avoided when taking Revil?

Official labeling may specify that certain agents, such as acid-reducing agents, are cited in official labeling as needing temporal separation from Revil's administration. This separation helps to prevent interference with drug absorption and maintain effective blood levels.

Q: Are there specific over-the-counter medications that interact with Revil?

Official documentation defines concomitant use with strong CYP3A4 inducers, such as the herbal supplement St. John's Wort, as avoided combinations, given the risk of decreasing Revil's effectiveness.

Q: Can taking Revil affect the effectiveness of hormonal birth control?

Official documents caution that Revil is metabolized by the CYP3A4 enzyme. While specific hormonal birth control interactions may not be explicitly listed, co-administration with other medicines metabolized by this pathway is a constraint that requires clinical review.

Q: What is the process for switching from a similar medication to Revil? (Informational, not advisory)

Official safety constraints define other drug classes, such as Neprilysin inhibitors and certain serotonergic medicinal products, that are contraindicated or require caution when used with Revil. This indicates that all existing medications must be reviewed for safety constraints prior to a transition.

Q: What if Revil doesn't seem to be helping after the initial treatment period?

Clinical studies and official documents describe the patterns observed in patient populations over specific treatment periods. This evidence provides context for the typical timeline of expected clinical response and provides context for understanding the treatment course.

Q: What should a patient do if they accidentally take more Revil than prescribed?

Regulatory documents contain an Overdosage section detailing the expected signs and symptoms, and the general recommended clinical actions for medical providers. The document also outlines that an overdosage event requires evaluation by a medical provider.

How should Revil be stored and disposed of?

How to Store and Dispose of Revil

Revil (Ramipril) must be stored according to official regulatory specifications to maintain the quality of the oral tablets or capsules.

Storage Requirements

Store the medication at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The product must be kept in its original container with the cap tightly closed to protect it from excess moisture and heat. Keep Revil out of the reach and sight of children.

Disposal Instructions

Expired or unused Revil should be disposed of via an authorized drug take-back program. If a program is unavailable, the medicine must be mixed with an undesirable substance (such as dirt) and placed in a sealed container before discarding in the household trash. Revil must not be flushed down a toilet or sink.

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

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