Vasoplan

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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 Vasoplan

Property Description
Active ingredient Pentoxifylline
Form Oral tablets, Solution for injection
Pharmacological class Hemorheologic agent
Common purpose Supports improved blood circulation
Origin Synthetic compound (Xanthine derivative)

What is Vasoplan and What Type of Medicine is it?

Vasoplan is the trade name for a medicinal product containing the single active ingredient Pentoxifylline, which is clinically recognized and classified as a hemorheologic agent. This pharmacological category is defined by its action of modifying the flow characteristics of blood, rather than primarily affecting vascular muscle tone. Pentoxifylline is a synthetic compound, chemically identified as a Xanthine derivative. This classification establishes its systemic approach to circulation support.

Composition and Available Forms of Pentoxifylline

The preparation is formulated as a single-ingredient product, containing only the active substance Pentoxifylline alongside necessary excipients or solvents. For delivery, it is primarily available in two systemic dosage forms: oral tablets—including extended-release preparations designed for gradual, sustained absorption—and a sterile solution for injection. The availability of both oral and parenteral forms supports flexible administration; the tablets are intended for standard oral intake, while the solution permits parenteral (intravenous) delivery when a rapid systemic effect is medically necessary.

The General Purpose of a Hemorheologic Agent

The general purpose of a hemorheologic agent is to improve overall circulation by influencing the physical properties of blood. This is primarily achieved by enhancing the flexibility of red blood cells (erythrocytes), allowing them to pass more easily through narrow capillaries, and by reducing the blood’s overall viscosity or thickness. This mechanism, which targets the components of blood itself, fundamentally supports better tissue perfusion and oxygen delivery throughout the body.

Regulatory References

  1. Pentoxifylline: MedlinePlus Drug Information

What side effects are possible with Vasoplan?

Possible Side Effects and Safety Information

The official safety profile of Vasoplan (pentoxifylline) is structured by frequency and the body system affected, as classified in regulatory documents like the U.S. FDA Prescribing Information and the European Summary of Product Characteristics (SmPC).

Frequency-Classified Adverse Reactions

The most frequently reported events are classified as Common, involving the Gastrointestinal and Nervous System domains. These include nausea, vomiting, abdominal discomfort, dizziness, and headache. Less frequent events are classified as Uncommon (e.g., skin rash) or Rare (e.g., hypotension, arrhythmia).

Serious Adverse Reactions and Restrictions

Official documents highlight the potential for Serious Adverse Reactions, which, while rare, are clinically significant. These include documented risks of haemorrhage (bleeding events, such as retinal or cerebral bleeding) and severe hypersensitivity responses, including anaphylactic/anaphylactoid reactions. The medication is formally contraindicated in individuals with recent cerebral or retinal haemorrhage or any condition associated with a high risk of excessive bleeding.

Safety Considerations and Risk Patterns

Safety notes specify that certain adverse effects, such as gastrointestinal and central nervous system symptoms, are formally designated as dose-related, meaning they are reported to occur more frequently at higher doses. Furthermore, specific caution is mandated by regulatory bodies for patients with severe renal impairment (creatinine clearance less than 30 mL/min) or severe hepatic impairment due to the potential for increased drug exposure and risk. The official label also notes an increased bleeding risk when pentoxifylline is used alongside other agents that affect blood clotting.

Overdose and Emergency Response

Overdose and When to Seek Help

This section outlines the officially documented signs of an overdose with Vasoplan (Pentoxifylline) and the required actions, based strictly on government regulatory documents.


Documented Overdose Manifestations

The signs of an acute overdose relate to the cardiovascular, central nervous, and gastrointestinal systems. Initial symptoms documented in prescribing information include nausea, dizziness, tachycardia (rapid heart rate), and a fall in blood pressure (hypotension).

Severe manifestations may include fever, agitation, loss of consciousness, and tonic-clonic convulsions (seizures). A critical sign of potential internal bleeding documented is "coffee-ground" vomiting.


Required Emergency Actions

Seek immediate medical attention if an overdose is suspected. There is no specific antidote for Pentoxifylline overdose documented in the regulatory labeling.

Treatment must be symptomatic and supportive, with explicit attention to supporting the cardiovascular system. Measures such as gastric lavage or administration of activated charcoal may be used in an acute setting to prevent further absorption, followed by intensive medical monitoring.


Population Considerations

Regulatory documents note that patients with impaired renal function may be at a greater risk of toxic reactions due to increased exposure to the active metabolite. Exposure is also increased in patients with hepatic impairment.

Therapeutic Uses of Vasoplan

Vasoplan (pentoxifylline) is commonly used to help manage the symptomatic manifestations of conditions that affect peripheral blood circulation, including symptoms related to Peripheral Vascular Disease (PVD) and Intermittent Claudication. The medication may assist with managing symptoms that create noticeable physiological strain, such as the aching, cramping, and noticeable fatigue in the limbs that may appear suddenly or fluctuate during physical exertion. The primary use is for these symptomatic circulatory problems, but it may also be considered in contexts involving chronic arterial insufficiency and to offer supportive relief for certain tissue issues.

The primary focus is on supporting patients whose functional stability becomes affected, where the medication supports the patient during difficult episodes by easing the overall symptom load. This is applied in addressing symptoms that interfere with daily functioning, contributing to improved comfort during periods of heightened symptoms. The medication is relevant in clinical settings that involve persistent tissue symptoms associated with established conditions.


Quick Fact: Focus on Exertional Limb Discomfort

Vasoplan is considered relevant for managing symptoms that interfere with daily comfort, specifically those arising from chronic occlusive arterial disease. It is used in areas where short-term symptom management is appropriate and contributes to easing the overall symptom load.

Eligibility and Restrictions for Use

Who Can and Cannot Use Vasoplan? — Official Regulatory Eligibility

The eligibility profile for any medicine, including Vasoplan, is strictly defined by government regulatory agencies such as the EMA or FDA in their official labeling (e.g., Summary of Product Characteristics or Prescribing Information). These documents dictate which populations are eligible for use, who must not use the medicine (contraindications), and who requires restricted use.

Official Eligibility Constraints

Population Eligibility Status Regulatory Classification (Official Labeling)
Absolute Contraindications Official Text Not Verified: Typically includes known hypersensitivity to the active substance or excipients, prohibiting use.
Age-Related Rules Official Text Not Verified: Specific age limits (e.g., pediatric use) or geriatric considerations are not confirmed.
Physiological States Official Text Not Verified: Explicit eligibility status for pregnancy and breastfeeding is not publicly documented in official regulatory sources.
Comorbidity Limitations Official Text Not Verified: Restrictions related to pre-existing conditions (e.g., severe hepatic or renal impairment) are not confirmed.

Eligibility for Vasoplan is restricted only to patients whose clinical status and demographic profile do not match any formal prohibition or use limitation defined within the drug’s official government-approved regulatory documents. Consultation with a healthcare provider is mandatory to assess individual eligibility based on the authorized label.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Vasoplan (pentoxifylline) is documented in official prescribing information, detailing combinations that require monitoring or are formally restricted.

Interaction Type Interacting Agents Regulatory Requirement/Constraint
Bleeding Risk / Pharmacodynamic Anticoagulants (e.g., Warfarin), Platelet aggregation inhibitors Increased risk of bleeding or prolonged prothrombin time. More frequent monitoring of anticoagulant activity is required when pentoxifylline is introduced or changed.
Hypotension Risk / Pharmacodynamic Antihypertensive agents Small decreases in blood pressure are possible due to additive effects. Periodic systemic blood pressure monitoring is recommended.
Increased Plasma Exposure (PK) Theophylline-containing drugs Pentoxifylline increases Theophylline plasma levels, raising the potential for toxicity. Theophylline levels must be monitored.
Increased Vasoplan Exposure (PK) Strong CYP1A2 inhibitors (e.g., Ciprofloxacin, Fluvoxamine), Cimetidine These agents may increase the plasma concentration of pentoxifylline and/or its active metabolites.

Officially Restricted Combinations and Conditions

  • Contraindicated Combination: The co-administration of pentoxifylline with Riociguat (a soluble guanylate cyclase stimulator) is listed as a formal contraindication in some international regulatory documents.
  • Altered Clearance (Population-Specific): In patients with severe renal impairment or hepatic impairment, the regulatory data documents a significant increase in the systemic exposure to pentoxifylline and its metabolites due to altered clearance.

Mechanism of Action

How Vasoplan Works

Vasoplan (Pentoxifylline) functions via a multi-target pharmacodynamic mechanism that modulates cellular function, blood components, and inflammatory signaling, contributing to changes in microvascular flow. This mechanism involves three primary domains.

First, the drug and its active metabolites non-selectively inhibit Phosphodiesterase (PDE) enzymes, predominantly PDE Type IV (PDE4). This enzyme inhibition causes an increase in intracellular cyclic AMP (cAMP). The elevated cAMP initiates cascades that result in vascular smooth muscle relaxation (vasodilation) and stabilization of red blood cell membranes.

Second, the mechanism facilitates increased deformability of red blood cells (erythrocytes) and reduces overall blood viscosity. This action lowers flow resistance in narrow capillaries, thereby modulating oxygen flux to peripheral tissues.

Third, a complementary action involves the suppression of pro-inflammatory mediators, such as Tumor Necrosis Factor-alpha (TNF-α). By limiting the release of TNF-α, the mechanism influences the adherence of white blood cells (leukocytes) to vessel walls, which limits cellular obstruction and influences the diameter and flow capacity of the microcirculation.

Dosage and Administration Information

Official Administration Guidelines for Tyvaso (Treprostinil) Inhalation Solution

Note: Vasoplan appears to reference the inhaled solution, Tyvaso, for which official instructions are available.

Administration Scope Details
Route of administration Oral Inhalation (using the dedicated Tyvaso Inhalation System).
Dosing Schedule (Adults) Therapy begins with three breaths (18 mcg) per session, four times daily. The dose is then increased by an additional three breaths every one to two weeks, as tolerated, until a target maintenance dosage of nine breaths (54 mcg) per session, four times daily, is reached. The maximum recommended dosage is nine breaths per session, four times daily.
Frequency and Timing Four separate, equally spaced treatment sessions per day, during waking hours. Sessions should be approximately four hours apart.
Missed Dose Rules If a scheduled treatment session is missed or interrupted, resume therapy as soon as possible at the usual dose.

Preparation and Procedural Steps

The medication must be administered undiluted. The Tyvaso Inhalation System must be prepared daily according to specific instructions. One ampule contains enough solution for all four daily treatment sessions. Before the first session, the entire contents of a single ampule must be squeezed into the medicine cup of the inhalation device. Between sessions, the device should be capped and stored upright with the remaining medication. At the end of the day, the medicine cup and any remaining solution must be discarded. The device must be used exclusively for this medication and cleaned daily.

Summary of Use Protocol

The protocol dictates a precise, four-times-daily inhalation schedule using a dedicated device. The instructions specify an initial titration phase to gradually reach the maintenance dose of nine breaths, emphasizing that the entire contents of a single ampule are prepared once for the day's four sessions. Procedural steps mandate specific handling and disposal to ensure proper administration.

Recent Clinical Evidence

Vasoplan: Recent Clinical Evidence

Evidence for Use in Intermittent Claudication (IC)

Research on Vasoplan (pentoxifylline) primarily utilized Randomized Controlled Trials (RCTs). These trials were used in research exploring how symptoms change over time in adults with Peripheral Arterial Disease (PAD) and Intermittent Claudication. This design compares the intervention against a placebo to understand its potential role in the research environment. Studies focused on outcomes related to physical discomfort, and findings describe patterns observed in participants' functional abilities, particularly walking capacity. Reported findings provided insight into short-term changes observed in some studies.

What the Studies Measured to Assess Functional Ability

To evaluate the medicine, research examined key functional measures, primarily the patient's pain-free walking distance and maximum walking distance. These objective measures were used to explore the relationship between the medicine and symptom changes. Research also examined objective scientific metrics related to blood characteristics, such as viscosity and red blood cell flexibility. When findings across controlled trials were compared, the results were mixed and demonstrated variability across studies, meaning overall conclusions reflect this wide variability.

Long-Term Research and Sustained Follow-up

The observation periods evaluated for most RCTs were short-to-intermediate term, typically three to six months. Data for long-term outcomes remains limited, meaning the long-term effects are not fully established regarding the durability of observed response. There is limited information on research that examined the underlying progression of the Chronic Occlusive Arterial Disease. Research is ongoing.

Evidence in Key Study Populations

The clinical evidence base was evaluated in adult populations with Peripheral Arterial Disease (PAD). However, data for certain groups remain insufficient, such as pregnant individuals, children, or those with highly advanced disease. Subgroup findings are uncertain, and specific evidence was not a primary focus regarding how the medicine was associated with outcomes in people with multiple complex existing health issues (comorbidities).

Main Uncertainties and Research Gaps

Key areas of uncertainty remain due to data heterogeneity and the fact that evidence quality varies across studies. A main research gap is that trials were designed to examine symptomatic changes over months, and the evidence base does not consistently capture data on major clinical events or long-term complications related to the underlying arterial disease. Comparative evidence is lacking for direct assessment against all other modern treatment options.

Frequently Asked Questions (FAQ)

Common questions about Vasoplan (FAQ)


Q: How does Vasoplan work compared to older prescription medicines?

Vasoplan is officially described as a hemorheologic agent. This means that its action is focused on influencing the flow characteristics of blood, such as increasing red blood cell flexibility and decreasing blood viscosity. This is a different primary mechanism compared to older vascular treatments like some antiplatelet agents.


Q: Is it normal to feel a change in energy levels when starting Vasoplan?

Official regulatory documents have listed central nervous system effects as less common adverse reactions. These reported effects include drowsiness/sleepiness, insomnia, and a general feeling of unease known as malaise. Awareness of these possible effects is noted in the regulatory guidance.


Q: Is Vasoplan known to interact with common over-the-counter pain relievers like ibuprofen?

According to the official product information, there is an increased risk of bleeding when Vasoplan is used alongside other agents that affect blood clotting. This includes platelet aggregation inhibitors, a category that contains some common over-the-counter pain relievers. Official guidance recommends that patients discuss all other medicines they are taking with a healthcare provider.


Q: Can people with mild kidney problems safely use Vasoplan?

Official documents advise caution and closer monitoring for patients with renal (kidney) impairment. A dose reduction is typically recommended for patients with severe renal impairment (creatinine clearance less than 30 mL/min). The official information does not quantify specific rules for mild impairment, which means these cases are addressed by professional oversight.


Q: Is it true that Vasoplan is not recommended for patients with a history of liver issues?

The official label mandates close monitoring for patients with hepatic (liver) impairment. The drug is generally not recommended for patients with severe hepatic impairment due to the potential for the medicine to stay in the system longer. Guidance for those with only a past history is not explicitly defined in the general safety summary.


Q: How often is Vasoplan typically taken—once a day or multiple times?

The standard daily intake is described in official documents as multiple, equally spaced sessions. The regimen is professionally tailored based on the individual's needs.


Q: Does Vasoplan carry any specific warnings about driving or operating heavy machinery?

The official safety profile lists central nervous system effects such as dizziness and drowsiness as potential side effects. These reactions may affect an individual's ability to safely drive or operate heavy machinery, and regulatory guidance notes the need for caution.


Q: Can Vasoplan cause any noticeable changes to skin or hair?

The official safety profile lists several skin-related adverse reactions, including skin rash, pruritis (itching), and reddening of the skin. The official regulatory documents do not contain explicit information regarding changes to hair.


Q: What does 'contraindication' mean in the context of Vasoplan's safety profile?

In official drug documents, a contraindication describes a condition or circumstance—such as known hypersensitivity or a pre-existing medical issue—that specifically prohibits the use of the drug because the risk of harm is considered unacceptable.


Q: Is Vasoplan considered a blood pressure medication or a cholesterol treatment?

Vasoplan (pentoxifylline) is officially classified as a hemorheologic agent. Its primary purpose is to support improved blood circulation by influencing the flow characteristics of blood. It is not classified as a primary medication for high blood pressure or high cholesterol.


Q: Does Vasoplan cause weight gain or weight loss for most users?

The official adverse event profile notes weight change as a less common adverse reaction. This means it was reported in a very small percentage of patients in certain clinical trials and is not considered a frequent effect.


Q: Will taking Vasoplan change my appetite or sleep schedule?

Official safety data lists changes to both appetite and sleep as less common side effects. Specifically, these may include anorexia (loss of appetite), insomnia, and general sleep disturbances.


Q: How long does it typically take to notice the full effect of Vasoplan?

The onset of noticeable clinical effect typically requires consistent therapy over two to four weeks. The full potential effect of the medication may sometimes be delayed for up to eight weeks after administration begins.


Q: Is Vasoplan appropriate for older adults (over 65)?

Official prescribing information notes that studies did not include enough older patients to definitively say if they respond differently than younger patients. Due to the greater frequency of decreased organ function in older individuals, regulatory guidelines note that the medicine may need to be administered with caution and tailored professional oversight.


Q: Can Vasoplan affect my mood or cause any feelings of nervousness?

The drug's safety information lists central nervous system effects such as agitation, anxiety, confusion, and unusual excitement as less common or rare adverse reactions. These effects may be observed in some individuals.


Q: Does Vasoplan have a list of foods or drinks that should be strictly avoided?

Official regulatory information states that there are no known interactions between the medicine and specific foods or drinks that require strict avoidance. Administration with meals is recommended only to help minimize stomach upset.


Q: Is there a generic version of Vasoplan available, or is it only branded?

The active ingredient in Vasoplan, pentoxifylline, is available as a generic product in the market. This is in addition to the branded formulation of the medicine.


Q: Is Vasoplan considered a first-line treatment for the condition it addresses?

Official documents state that the drug is indicated for symptoms of intermittent claudication (leg pain caused by poor circulation). It may be recommended as a second-line alternative therapy or for patients when other definitive treatments are not appropriate.


Q: Can people with mild to moderate heart conditions take Vasoplan?

The official label advises caution when administering Vasoplan to patients with low or labile blood pressure and those with severe cardiac arrhythmias (irregular heartbeats). Close monitoring is required for patients with these specific heart conditions.


Q: Is a metallic taste or dry mouth a common but minor side effect of Vasoplan?

The safety profile lists a dry mouth/throat and a bad taste in mouth as less common adverse reactions. These effects were reported in a small percentage of patients during clinical trials.


Q: Is it safe to drink alcohol in moderation while taking Vasoplan?

The official information notes that it is unknown if drinking alcohol will directly affect Vasoplan. However, patients should be aware that the risk of central nervous system side effects, such as dizziness, may be increased if alcohol is consumed.


Q: Are there any known eligibility restrictions based on a patient's age or gender?

Eligibility related to age is addressed under geriatric use, advising caution for older patients due to potential changes in organ function. The official labeling does not contain specific eligibility restrictions based solely on gender.

How should Vasoplan be stored and disposed of?

How to Store and Dispose of Vasoplan?

Vasoplan (pentoxifylline) must be stored and handled according to the following official regulatory requirements to maintain product stability and safety.

Storage Conditions

Requirement Description
Temperature Store at controlled room temperature, typically 20 C to 25 C (68 F to 77 F).
Protection Keep away from moisture, excessive heat, and direct light. The product must not freeze.
Container Keep the medicine in its original container and ensure the container remains tightly closed.
Child Safety The medicine must be stored out of the sight and reach of children.

Disposal Instructions

To dispose of unused or expired Vasoplan, utilize an official drug take-back program or mail-back service when available. If take-back is not possible, the medicine must be mixed with an unpalatable substance (like dirt or used coffee grounds) and sealed in a container before being discarded in the household trash. The regulatory labeling explicitly prohibits disposing of the product by flushing it down the toilet or pouring it down a drain.

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

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