Rogitamine

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Rogitamine

Treatment option: Anesthesia

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 Rogitamine

Rogitamine is a trade name for the pharmaceutical entity containing the active ingredient Phentolamine, a potent, fast-acting medication that functions by modulating the body's vascular system. It is fundamentally defined as a synthetic, single-ingredient product used under prescription to rapidly influence blood vessel constriction in acute medical settings.


Quick Facts

Property Description
Active Ingredient Phentolamine (typically as the mesylate salt)
Form Powder for solution for injection, Injectable solution
Pharmacological Class Adrenergic alpha-antagonist (Alpha-blocker)
Origin Synthetic (Chemically engineered)
Common Use Reversing abnormal blood vessel constriction

Rogitamine: Definition and Pharmacological Classification

Rogitamine represents the drug whose core component is Phentolamine. This medicine is classified as a non-selective Adrenergic alpha-antagonist, belonging to the larger group of antihypertensive and extravasation antidote agents. The compound is synthetic, chemically engineered as a tertiary amino derivative, specifically designed to interfere with natural constrictive signals in the body. The non-selective nature of the alpha-antagonism is clinically recognized for allowing broad immediate control over the body's peripheral vascular resistance.

Composition, Origin, and Delivery Form

The primary composition of Rogitamine is the single active substance Phentolamine combined with a sterile, aqueous base for delivery. The product is most often supplied as a lyophilized powder for solution for injection contained in vials, requiring reconstitution prior to administration. This specialized dosage form dictates a rapid, non-oral route of administration, primarily intravenous (IV) or intramuscular (IM) injection, or submucosal injection for certain specific indications. The short elimination half-life of approximately 19 minutes following IV administration confirms that the medicine provides swift and transient control over the patient's vascular status.

General Purpose and Core Action in the Body

The general purpose of Rogitamine is to achieve immediate, controlled vasodilation (vessel widening) by reducing high vascular resistance. Its core action involves creating a reversible alpha-adrenergic blockade, which temporarily inhibits the sympathetic nervous system’s constricting signals from affecting the smooth muscle of the blood vessel walls. This intervention is commonly employed to prevent or counteract a sudden, dangerous rise in blood pressure, or to reverse unwanted localized tissue constriction, serving as a rapid intervention tool to modulate systemic or localized blood flow.

Regulatory References

  1. Phentolamine Mesylate for Injection, NIH DailyMed

What side effects are possible with Rogitamine?

Possible side effects and safety information

The safety profile of Rogitamine, which contains the active ingredient Phentolamine, is characterized by its documented effects on the body's vascular system, consistent with its classification as an alpha-antagonist. The official regulatory labeling for this medicine focuses heavily on cardiovascular and systemic consequences.

Documented Adverse Reactions

The adverse reactions documented in official prescribing information are generally grouped by the physiological system they affect. Due to the drug’s rapid action, the effects are typically acute.

System-Organ Class Examples of Documented Adverse Reactions
Cardiovascular/Vascular Hypotension (low blood pressure), tachycardia (increased heart rate), cardiac arrhythmias, and flushing.
Gastrointestinal Nausea, vomiting, diarrhea, and abdominal discomfort.
Other Systemic Dizziness and generalized weakness.
Local Reactions Pain or irritation at the injection site.

Serious Safety Considerations

The regulatory profile explicitly documents the potential for serious adverse reactions. These include the occurrence of acute, severe, and prolonged hypotension. More severe, but less frequent, events documented in official sources include myocardial infarction (heart attack) and cerebrovascular spasm and occlusion.

Regulatory Restrictions and Contraindications

Official labeling defines specific restrictions for the use of Phentolamine. Rogitamine is strictly contraindicated (should not be used) in patients with a history of coronary artery disease (CAD) or those who have had a myocardial infarction (MI). It is also contraindicated in individuals with known hypersensitivity to the drug or its components. Furthermore, official labeling advises caution when the medicine is used in patients with pre-existing peptic ulcers.

Overdose and Emergency Response

The official regulatory documentation for Rogitamine (Phentolamine) defines overdose by its primary physiological impact: severe cardiovascular disturbances stemming from excessive vasodilation. The most serious outcomes described are a decrease in blood pressure to dangerous levels and the development of shocklike conditions, which require immediate, vigorous medical intervention.

Manifestations Documented in Labeling Emergency Actions Mandated by Regulators
Profound hypotension and arrhythmias Treatment must be initiated vigorously and promptly
Tachycardia, excitation, and headache Administration of a plasma expander is described
Gastrointestinal distress (nausea, vomiting) Intravenous norepinephrine is specified for titration
Finding of hypoglycemia Patient's legs should be kept raised

Urgent medical attention is required when any sign of severe hypotension or shocklike conditions is observed. The official labeling specifies that no specific antidote is known. Furthermore, regulatory instructions explicitly caution that epinephrine must not be used for treatment, as this action carries the risk of causing a paradoxical blood pressure reduction. Management must include constant clinical observation and intervention to maintain circulatory status.

Therapeutic Uses of Rogitamine

What Rogitamine Treats: Main Uses and Benefits

Rogitamine is applied in clinical settings that involve acute or unstable symptom patterns to address symptoms related to heightened physiological activity that creates a noticeable physiological strain. The medication is commonly used to help manage symptoms associated with conditions such as acute blood pressure crises (like pheochromocytoma crisis), symptoms related to localized discomfort stemming from vasopressor use, and prolonged post-procedural numbness.

This therapeutic support contributes to easing the overall symptom load in conditions presenting with systemic or localized discomfort.

“It is commonly used when short-term symptomatic assistance is needed to manage groups of symptoms that may become intense or disruptive.”

For acute blood pressure concerns, this use provides support that helps ease the overall symptom burden in situations where patients experience heightened symptoms. For localized issues, it may assist with easing symptoms of ischemia, pallor, and coldness. Furthermore, for post-procedural recovery, the medication helps maintain a sense of stability when symptoms are more noticeable, assisting with maintaining functional stability.


Quick Fact: Symptomatic Support

Rogitamine is considered relevant for managing acute or disruptive symptom patterns that are characterized by sudden, unwanted vascular constriction, where symptomatic relief that helps patients cope more steadily is important.

Regulatory References

  1. NIH DailyMed - Phentolamine Mesylate for Injection Label

Eligibility and Restrictions for Use

Rogitamine (Phentolamine) eligibility is strictly defined by regulatory documents, particularly concerning pre-existing cardiovascular health and specific population groups.

Populations for Whom Use is Contraindicated

Use of Rogitamine is absolutely prohibited in certain patients, as stated in official labeling:

  • Patients with Myocardial Infarction or a history of a heart attack.
  • Patients with Coronary Insufficiency, Angina, or other signs suggesting Coronary Artery Disease (CAD).
  • Patients with known Hypersensitivity to Phentolamine.

Age-Related Eligibility and Restrictions

The medicine is generally approved for use in Adults for labeled indications. Pediatric use is permitted but subject to limitations:

  • Children under 6 years of age or those weighing less than 15 kg (approx 33 lbs) are generally not recommended for use with the submucosal formulation, as safety and effectiveness are not established in this group.
  • In Older Adults, no overall differences in effectiveness are noted, but a greater individual sensitivity cannot be ruled out.

Condition-Specific Conditional Use

Regulatory authorities advise that Rogitamine be used with caution in specific populations:

  • Patients with Renal Impairment because the drug is primarily excreted by the kidneys.
  • Patients with Gastritis or Peptic Ulcer, due to the drug's stimulatory effects on the gastrointestinal tract.
  • Patients with pre-existing Tachycardia or Cardiac Arrhythmias.

Pregnancy and Lactation Status

Rogitamine is classified as Pregnancy Category C. It should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. The manufacturer advises that a decision be made to discontinue nursing during treatment, as it is unknown if the drug is excreted in human milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Rogitamine (Phentolamine) is defined by its acute effects on the vascular system and specific restrictions related to diagnostic use, as stated in regulatory labeling. The medicine's primary documented interactions are pharmacodynamic in nature.

Co-administration with Epinephrine (Adrenaline) may lead to a paradoxical reduction in blood pressure and should be avoided in that context. Caution is necessary with Cardiac Glycosides; regulatory information suggests that administration should be deferred until the patient’s cardiac rhythm returns to normal, if clinically appropriate, due to the potential for Phentolamine to contribute to arrhythmia risk.

For its labeled diagnostic application, the prescribing information details mandatory timing requirements for co-administered drug classes. Sedatives and Analgesics must be withheld for at least 24 hours, and preferably up to 72 hours, prior to the phentolamine blocking test. Furthermore, Antihypertensive drugs must be withheld until the patient's blood pressure returns to the untreated hypertensive level for this specific test.

In specific local anesthetic formulations, Rogitamine has a documented exposure-altering interaction, resulting in increased systemic absorption and exposure of co-administered Lidocaine by reversing local vasoconstriction. The official labeling does not specify any drug-drug combinations that are formally contraindicated, nor does it list explicit interactions with food, alcohol, or herbal products.

Mechanism of Action

How Rogitamine Works

Rogitamine's mechanism involves the interruption of signals that cause blood vessel constriction, producing rapid modulation of the circulatory system.

alpha-Adrenergic Receptor Blockade and Vascular Relaxation

The drug acts as a competitive, non-selective antagonist by binding to and blocking both the Alpha-1 (alpha1) and Alpha-2 (alpha2) adrenergic receptors, which mediate sympathetic signaling for vascular constriction. By preventing Norepinephrine from activating alpha1 receptors on the smooth muscle cells of blood vessels, the drug terminates the molecular cascade that causes muscle contraction, leading directly to widespread vasodilation and a rapid decrease in Peripheral Vascular Resistance (PVR).


Modulation of Sympathetic Feedback and Cardiac Dynamics

A key consequence of the mechanism involves the simultaneous blockade of pre-synaptic alpha2 receptors, which normally provide inhibitory feedback to nerve terminals. Removing this brake mechanism leads to an increased local release of Norepinephrine, which, combined with the body's compensatory baroreceptor reflex triggered by the drop in PVR, drives a positive chronotropic effect (increase in heart rate).

Dosage and Administration Information

How to use Rogitamine

Rogitamine, containing the active substance phentolamine, is a rapid-acting medication administered via parenteral injection for short-term, acute use under medical supervision. Its administration is characterized by distinct dosage and route instructions that depend strictly on the context of use.


Official Dosing and Administration

Indication Adult Dosing (IV/IM) Pediatric Dosing (IV/IM) Administration Route Preparation / Timing
Surgical Hypertension 5 mg 1 to 2 hours pre-surgery 1 mg 1 to 2 hours pre-surgery Intravenous (IV) or Intramuscular (IM) May be repeated IV during surgery as needed.
Diagnostic Test 5 mg single dose 1 mg single IV dose (or 3 mg IM dose) Intravenous (IV) or Intramuscular (IM) Requires patient to be supine and rested for 30 minutes before injection.

Preparation and Local Administration

The most common formulation is a 5 mg lyophilized powder that requires reconstitution with 1 mL of Sterile Water for Injection immediately before use; the prepared solution must not be stored. For treating localized effects, the labeled dose of 5 mg to 10 mg is diluted in 10 mL of saline and infiltrated into the affected area, ideally within 12 hours of the event.

A separate formulation for submucosal administration exists for the reversal of local anesthesia. The recommended dose is based on the number of anesthetic cartridges used, ranging from 0.2 mg to 0.8 mg. For children weighing 15 kg to less than 30 kg, the maximum labeled dose is 0.2 mg.

Recent Clinical Evidence

The research evidence for Rogitamine (Phentolamine) describes its study and evaluation in contexts related to acute changes in certain vascular conditions. The available data varies in its type and certainty, ranging from formal randomized controlled trials to evidence derived from clinical observation and established protocols.

Evidence for Acute Management of Blood Pressure Crises

Rogitamine was studied for use in conditions associated with acute, disruptive episodes of severe blood pressure changes. Research monitored outcomes describing physiological strain and acute changes in the vascular system. The evidence base, largely comprising regulatory summaries and case reports, is broadly categorized as moderate. Ethical considerations and the rarity of the conditions studied mean that comparative evidence is lacking from recent large-scale Randomized Controlled Trials (RCTs), and results apply only to the urgent clinical settings where the studies were conducted.

Evidence for Localized Tissue Protection

Research has explored Rogitamine to address the risk of tissue damage (necrosis) that may occur when vasoconstricting intravenous medicines leak from the vein. Studies focused on outcomes related to systemic imbalance, such as the resolution of visible signs of local restriction. Clinical protocols describe this medicine as a pharmacological measure used in these studies. The evidence quality varies, and certainty is limited because ethical concerns prevent conducting placebo-controlled trials. Follow-up durations were limited to the acute event.

Evidence for Reversal of Post-Procedural Numbness

Rogitamine was evaluated in the dental field for its role in speeding the resolution of local anesthesia containing a vasoconstrictor. This area was studied in Randomized Controlled Trials (RCTs) and meta-analyses, representing the most documented evidence. Research examined patient-reported outcomes and outcomes reflecting daily functioning, measuring the time to return of sensation in the lip and tongue. Reported outcomes are consistent across multiple trials, and the evidence base for both adults and pediatric patients is thoroughly documented for this application.

Evidence Consistency and Research Gaps

Overall, the evidence base for adults is the most thoroughly documented across all indications. However, limited information for long-term outcomes is available, as all research focuses on the acute recovery period (measured in hours). Data for certain groups, such as older adults with specific comorbidities for acute vascular indications, remain insufficient.

Key Studies & References

  1. PHENTOLAMINE MESYLATE for injection (Regitine) Label - NIH DailyMed
  2. PHENTOLAMINE MESYLATE injection, solution (OraVerse) Label - FDA/DailyMed
  3. Guideline: Management of Adrenergic Crisis in Acute and Perioperative Settings

Frequently Asked Questions (FAQ)

Common questions about Rogitamine (FAQ)


Q: Why do official drug documents list so many possible side effects for Rogitamine?

Official drug documents are required by regulatory bodies to include all documented adverse reactions. This comprehensive listing includes events observed in clinical studies or reported after the medicine became available to the public. Listing these events does not mean they are common, but rather that they have been associated with the medication at some point during its evaluation.


Q: Are there different brand names for the medicine Rogitamine?

Yes, Rogitamine is one brand name for the active ingredient called phentolamine. The official product information notes that phentolamine is available under multiple brand names, depending on its specific formulation and approved medical uses.


Q: What is the typical age range of people who are prescribed Rogitamine?

Rogitamine is officially approved for use in adults for all its major indications. Pediatric use is also permitted for certain specific applications, but only when children meet specific weight and age criteria as outlined in the regulatory documents.


Q: What are the most common reasons people stop taking Rogitamine?

According to official documents, Rogitamine is designated for short-term and acute use, which means the most common reason for stopping is the resolution of the immediate medical condition it was treating. Additionally, documented adverse effects, particularly cardiovascular changes like low blood pressure, are noted as potential reasons for discontinuation.


Q: How is Rogitamine eliminated from the body?

Regulatory pharmacology information indicates that Rogitamine is primarily removed from the body by the kidneys. For this reason, official safety information notes that kidney impairment is a factor requiring careful consideration when the medicine is used.


Q: What kind of specialist typically prescribes Rogitamine?

The prescribing of Rogitamine is generally handled by specialists who work in acute care or surgical settings. These include professionals such as anesthesiologists, surgeons, and critical care physicians, due to the medicine’s highly specific use in monitored clinical environments.


Q: Are there any restrictions on driving or operating machinery while using Rogitamine?

Since Rogitamine is typically used only in acute, monitored clinical settings, official labeling does not include explicit warnings about driving. The regulatory documents do list common side effects, such as dizziness and generalized weakness, that a patient should be aware of.


Q: What is the risk of dependence or addiction described for Rogitamine?

Official regulatory labeling for the active ingredient phentolamine does not contain warnings about the risk of developing physical or psychological dependence or addiction.


Q: What does 'Black Box Warning' mean for a drug like Rogitamine?

The term Black Box Warning (officially called a Boxed Warning) is a specific safety alert used by the FDA to draw attention to serious or life-threatening risks. The current regulatory labeling for phentolamine does not include this type of warning, though it does document serious safety considerations like the potential for heart attack or stroke.


Q: What steps are outlined in official documents if a person takes too much Rogitamine?

The official Overdosage section describes that taking too much Rogitamine results mainly in cardiovascular disturbances, such as severe low blood pressure or heart rhythm problems. Official guidance indicates there is no specific antidote, and treatment focuses on supportive care for the patient's heart and circulation.

How should Rogitamine be stored and disposed of?

The storage and disposal instructions for Rogitamine (Phentolamine mesylate for injection) must align with official regulatory documentation to maintain product stability and safety.

Storage Requirements

Unopened vials of the lyophilized powder must be stored at Controlled Room Temperature, which is defined as 20 to 25 C (68 to 77 F). Temperature excursions are permitted between 15 and 30 C (59 to 86 F). The medication must be kept out of the sight and reach of children.

Solution Stability and Disposal

The reconstituted solution should be used immediately upon preparation and must not be stored. Any unused portion of the prepared solution must be discarded. Disposal of expired or unused Rogitamine product must be carried out in accordance with local regulations for pharmaceutical waste.

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

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