Taverin

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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 Taverin

Quick Facts

Property Description
Active ingredient Drotaverine hydrochloride
Forms Tablets, Solution for injection
Pharmacological class Myotropic Antispasmodic
General purpose Relief from visceral smooth muscle spasm
Origin Synthetic compound (Isoquinoline derivative)

Taverin: Drug Identity and Pharmacological Classification

Taverin is the brand name for a medicinal product containing Drotaverine hydrochloride, which serves as its sole active ingredient. This active component is classified as a myotropic antispasmodic (or spasmolytic), a type of medicine designed to induce the relaxation of smooth muscle tissue directly. Drotaverine is a highly selective, synthetic compound that is chemically categorized as an isoquinoline derivative. Its established role in spasm management has led to its inclusion in the international classification system for antispasmodic agents. This drug has a recognized function in managing involuntary muscle contractions.

Composition and Available Pharmaceutical Forms

The core composition utilizes the purified Drotaverine hydrochloride substance, which is a single-active-ingredient formulation. Taverin is provided in two primary preparations: the oral preparation (tablets) and a solution for injection, which is administered via the parenteral route (intramuscular or intravenous). The availability of both the solid oral form and the aqueous solution offers flexibility, allowing for administration to be tailored based on the need for either routine management or rapid pharmacological intervention in acute settings.

General Purpose: How Taverin Provides Relief

The general purpose of Taverin is to mitigate discomfort originating from spasms—the painful, involuntary contractions—of the body's internal smooth muscles. As a powerful smooth muscle relaxant, the drug’s fundamental action targets the hypertonicity of the visceral musculature found in systems such as the gastrointestinal or urinary tracts. By promoting muscle relaxation, Taverin offers a focused therapeutic approach to manage pain linked to this type of visceral muscular constriction.

What side effects are possible with Taverin?

Possible side effects and safety information

The safety profile of Taverin (Drotaverine hydrochloride) is defined by official regulatory documents, which classify documented adverse reactions according to the physiological system affected and the frequency of their occurrence. The majority of documented side effects fall into the Rare category, meaning they are observed in a very small fraction of users.


Official Side Effects and System Classification

Adverse reactions are officially grouped by the System-Organ Class (SOC) they affect, based on regulatory standards:

  • Nervous System Disorders: Documented effects include headache, dizziness (vertigo), and insomnia.
  • Cardiac and Vascular Disorders: Reactions listed are palpitations, tachycardia (increased heart rate), and hypotension (low blood pressure).
  • Gastrointestinal Disorders: Effects documented in regulatory labeling include nausea, constipation, and dry mouth.
  • Immune System and Skin Disorders: Hypersensitivity reactions may occur, such as rash, pruritus (itching), and urticaria (hives). Extremely rare, serious reactions like anaphylactic reactions and angioedema are also documented.

Population-Specific and General Safety Constraints

The medicine's use is subject to several explicit restrictions documented in official labeling. Use of Taverin is contraindicated in individuals with severe hepatic insufficiency (severe liver failure), severe renal insufficiency (severe kidney failure), and severe cardiac insufficiency (severe heart failure). It is also contraindicated in patients with Porphyria and in those with specific hereditary conditions, like total lactase deficiency, due to the oral formulation's excipients.

Use during pregnancy requires a cautious approach, and use during lactation is generally not recommended. Due to the potential for dizziness or hypotension, patients should individually assess their ability to perform tasks requiring high mental alertness, such as driving or operating heavy machinery.

Overdose and Emergency Response

An overdose of Taverin (Drotaverine hydrochloride) is officially documented to present with a range of systemic and potentially critical clinical manifestations. Non-severe systemic presentations listed in regulatory sources include general disturbances such as weakness, malaise, headache, vomiting, and feelings of sleepiness or dizziness. Overdose may also be associated with restlessness and confusion.

The official overdose profile emphasizes risks related to critical physiological systems. Severe, potentially life-threatening outcomes are explicitly documented, focusing on the cardiovascular system, where a significant drop in blood pressure, heart rhythm and conduction disorders, and cardiac arrest are listed as potential effects. The documentation also specifies the risk of paralysis of the respiratory center.

Due to the potential for these severe manifestations, official regulatory guidance mandates that a doctor must be consulted immediately in the case of accidental or intentional overdose. Management involves the initiation of supportive measures, with regulatory documents citing gastric lavage as a potential procedure. The required course of action is immediate medical attention whenever an overdose is suspected.

Therapeutic Uses of Taverin

The medication is commonly used for managing symptoms associated with smooth muscle spasms, providing supportive relief in several key domains. The medication is relevant in contexts involving heightened systemic burden, as described in recognized therapeutic applications.


Easing Gastrointestinal Spasms

This domain is relevant in contexts marked by increased discomfort or tension in the digestive system. It helps address symptom clusters like stomach and intestinal cramps or colic, as well as spasms associated with conditions presenting with systemic or localized discomfort. It assists with maintaining functional stability while easing the overall symptom burden.


Supportive Symptom Management

Taverin is applied across domains where additional symptomatic support is needed for conditions characterized by episodic or fluctuating symptom patterns involving painful spasms. This makes it useful in scenarios where symptoms escalate temporarily. It contributes to improved comfort during periods of heightened symptoms that interfere with daily functioning.


Quick Fact: Symptom Management for Discomfort The medication is relevant for easing symptoms that create noticeable functional strain, particularly when symptoms cluster into patterns requiring supportive management.

Eligibility and Restrictions for Use

Eligibility and Contraindications

Official regulatory documentation defines the population eligibility for Taverin (Drotaverine hydrochloride) based on absolute prohibitions and conditional restrictions. Adults are the standard population for whom the medicine is established. Children aged 6 and above may be permitted for use under specific guidelines, though regulatory sources note that use in children generally has not been established in clinical studies.

Absolute Restrictions

Taverin is strictly contraindicated and must not be used in populations with certain pre-existing conditions. These exclusions include patients with severe hepatic insufficiency (severe liver impairment), severe renal insufficiency (severe kidney impairment), and cardiac insufficiency associated with low output syndrome. It is also prohibited for individuals with known hypersensitivity to the active substance or its excipients.

Conditional Use and Limitations

Use is not recommended for women who are breastfeeding due to a lack of data regarding its excretion into breast milk. For pregnant women, use is conditional, requiring special caution. Furthermore, the medicine is restricted for children below 6 years of age as there are no data available to support its use in this population. Special caution is also required for patients who present with hypotension.

What should I know about interactions with other medicines?

The official regulatory profile for Taverin (Drotaverine hydrochloride) is primarily defined by pharmacodynamic effects and systemic risk. No specific metabolic (CYP enzyme) or transporter-mediated interactions are formally documented in the available product labeling, nor are any combinations explicitly classified as a contraindicated combination.

Pharmacodynamic and Systemic Interactions

  • Co-administration with Levodopa reduces its antiparkinsonian effect, which is officially described as potentially leading to the worsening of rigidity and tremor.
  • Drotaverine demonstrates synergism with other spasmolytics, analgesics, antimuscarinics, and benzodiazepines, resulting in an additive beneficial effect.
  • A critical risk of enhanced systemic toxicity is documented with the concurrent use of Lithium, which is linked to a potential for fatal outcomes.
  • The hypotensive effects of agents including tricyclic anti-depressants, Quinidine, and Procainamide are officially described as being enhanced.

Exposure and Efficacy Modulation

  • The regulatory profile notes that Magnesium Hydroxide may cause an increase in the drug's absorption.
  • The therapeutic efficacy of Drotaverine may be lowered by co-administration of the synthetic dye Patent Blue.

No mandatory timing separation rules or population-specific interaction considerations are formally documented in the official regulatory monographs reviewed.

Mechanism of Action

Mechanism of Action: Drotaverine

Drotaverine functions as a myotropic antispasmodic by directly modulating the biochemical processes of visceral smooth muscle cells. The core mechanism involves the selective inhibition of the Phosphodiesterase type 4 (PDE4) enzyme, which prevents the breakdown of the signaling molecule cyclic AMP (cAMP). The subsequent rise in intracellular cAMP activates a protein cascade that leads to the inactivation of Myosin Light Chain Kinase.

Simultaneously, a reinforcing secondary mechanism involves the compound acting as a modulator and weak blocker of L-type voltage-dependent calcium channels (L-VOCCs). By limiting the influx of extracellular calcium ions (Ca^2+), this action further diminishes the essential molecular signal required for muscle shortening. This dual action enhances the cAMP-driven relaxation, providing a focused effect that minimizes interference with the autonomic nervous system.

The physiological consequence of this targeted molecular interference is the reduction of smooth muscle hypertonicity, resulting in the direct relaxation of visceral tissue in structures such as the gastrointestinal, biliary, and genitourinary tracts.

Dosage and Administration Information

Administration and Dosing Regimens

Taverin (Drotaverine hydrochloride) is administered via two primary routes: the oral route using tablets for routine use, and the parenteral route (intramuscular or slow intravenous injection) for managing acute, severe episodes. The availability of both forms allows administration to be adapted to the severity of symptoms, with injections reserved for supervised clinical settings.

Standard Adult Use

Administration Route Dose Range (Daily) Frequency Pattern
Oral (Tablets) 120 mg to 240 mg Administered in 2 to 3 divided doses
Parenteral (Acute) 40 mg to 80 mg per dose Up to 3 times per day

The established maximum recommended daily dose for oral administration is 240 mg. Oral tablets are generally intended to be taken with or after meals.

Procedural Constraints and Age Rules

For the parenteral solution, administration technique is constrained: intravenous injections must be given slowly, typically over a period of three to five minutes, and the solution should not be mixed with other injectable fluids unless specifically authorized. Regarding age-specific use, the oral form is generally not recommended for children under 12 years of age. For children between 6 and 12 years, the recommended maximum daily dose should not exceed 80 mg, administered in divided doses. Taverin is indicated for short-term, symptomatic relief, not for long-term maintenance protocols.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Taverin


Evidence for Renal and Ureteric Colic

Research has explored Taverin's use for managing acute pain associated with renal and ureteric colic (pain from spasms linked to kidney stones). Studies utilized Randomized Controlled Trials (RCTs) to examine outcomes in adult patients presenting with acute episodes. These trials mainly focused on outcomes related to physical discomfort, examining the change in pain intensity scores within short, fixed observation intervals, such as 30 to 60 minutes after administration.

Trials exploring short-term symptom patterns reported observations where pain intensity scores were measured following administration of the study drug. Some trials assessed whether patients needed additional pain relief medication later, and reported outcomes noted that the requirement for rescue analgesics varied when compared to non-drug control groups or other types of pain medication. These findings contribute to understanding symptom patterns during these acute episodes.

What remains uncertain is the full scope of outcomes for patients beyond the immediate acute phase. The existing evidence primarily provides insight into short-term changes, and research has provided limited information on the relationship between study drug use and the spontaneous passage of urinary tract stones. Research in this area also shows some variability due to different study designs and the use of different comparison medicines.


Evidence for Irritable Bowel Syndrome (IBS) Symptom Relief

Research examined Taverin in conditions characterized by fluctuating or episodic manifestations, particularly regarding outcomes related to functional changes associated with Irritable Bowel Syndrome (IBS). The evidence is derived from placebo-controlled, double-blind RCTs and systematic reviews, which evaluated adult populations diagnosed with IBS. These studies monitored patient-reported outcomes describing perceived discomfort, including the frequency and severity of abdominal pain, and overall patient assessment of relief.

Trials exploring short-term symptom changes reported measurements where the proportion of patients who achieved a pre-defined Global Assessment of Relief (SGA) endpoint varied between the study drug group and the placebo group after the four-week observation period. Research describes changes measured during the study period, with some trials describing patterns related to abdominal pain scores. These findings describe group patterns and contribute to the broader evidence landscape for antispasmodic agents used in IBS.

Data are still emerging, and certainty remains low regarding the effects of long-term use. Most existing studies provide limited information, as follow-up durations were typically limited to about four weeks, and long-term maintenance of the observed symptomatic changes is not fully established. Furthermore, findings for certain subgroups of IBS patients remain uncertain, and comparative evidence against all alternative treatments is lacking.


Evidence in Other Specific Contexts

Research explored the study drug in research contexts involving fluctuating or unstable symptoms related to Primary Dysmenorrhea (painful menstruation). Studies monitored outcomes related to physical discomfort, such as the change in pain severity during the acute menstrual period, in adult female populations. Trials also explored the use of the study drug in combination with other common pain relief medications. Some studies reported how symptoms evolved, noting differences in pain relief measurements between single-drug therapy and combination regimens. However, the focus of research for this specific indication is smaller compared to that for colic or IBS.

Research has also explored the drug's use in specialized procedural settings. Studies monitored outcomes related to functional imbalance, examining the drug's use as an antimotility agent to help reduce duodenal movement during certain endoscopic procedures in adult patients. Studies explored technical success metrics, such as graded duodenal motility and cannulation rates. These findings describe patterns observed in the studies and help contextualize the role of the drug in specific research scenarios, though the results apply only to the highly specialized populations studied.


Long-term Studies and Follow-up Durations

Research examining short-term symptom changes and outcomes reflecting daily functioning forms the majority of the available evidence. For acute conditions like renal colic, studies monitored responses over defined time intervals, with follow-up durations limited to only a few hours. For conditions involving periods of heightened symptoms, such as IBS, studies focused on mid-term outcomes, typically observing patients for a duration of four weeks.

Findings describe group patterns related to these specific time intervals, but long-term effects are not fully established. There is limited information for long-term outcomes, and the evidence does not determine whether an individual's response will be sustained over many months or years, as follow-up durations were limited in the key clinical trials.


Evidence in Specialized Populations and Settings

Taverin was studied for use in specific age groups. One Randomized Controlled Trial (RCT) explored outcomes where the measured frequency of pain episodes varied between the study drug group and the control group over the observed period in children (aged 4 to 12 years) presenting with recurrent abdominal pain. Studies focused on outcomes describing episodic or acute changes, such as the frequency of pain episodes.

Data for geriatric populations or those with specific comorbidities are not well characterized across the main trials. Study results reflect the specific conditions under which they were conducted, and evidence primarily applies to the populations studied, which were primarily non-pregnant adults presenting with acute or symptomatic episodes.


What is Still Uncertain About Taverin's Research Landscape

Evidence highlights what is known and what is still uncertain about Taverin's research landscape. Evidence quality varies across studies, and the data are still emerging in certain specialized areas. Key limitations include that sample sizes were modest in some key trials, and follow-up durations were limited, focusing primarily on immediate or short-term symptom patterns rather than long-term maintenance outcomes.

Research describes patterns related to short-term changes, but the evidence for long-term functional or systemic outcomes is generally not fully established. Subgroup findings, such as those related to different IBS subtypes, remain uncertain. The evidence contributes to the broader evidence landscape but does not provide individual predictions, as study results reflect the specific conditions under which they were conducted.

Frequently Asked Questions (FAQ)

Common questions about Taverin (FAQ)


Q: Are there any long-term effects associated with using Taverin?

A: Official regulatory research evidence primarily focuses on the medicine's short-term effects, such as pain relief during acute episodes. Studies and official information indicate that the effects of long-term use—meaning use over many months or years—are not fully established by the available clinical trials reviewed.


Q: Does Taverin interact with common over-the-counter pain relievers?

A: Official documents describe that Taverin may have a synergistic effect when administered with other pain-relief medicines, known as analgesics. This is described as a pharmacodynamic effect where the two substances may work together to enhance the smooth muscle relaxation. However, the regulatory profile does not explicitly name every common over-the-counter pain reliever.


Q: Do older adults need special monitoring while using Taverin?

A: Regulatory summaries note that data specifically for geriatric populations (older adults) are not well characterized across the main clinical trials. Regulatory information notes this lack of data, which should be considered when assessing the medicine’s use.


Q: Is the research evidence for Taverin considered strong?

A: Regulatory summaries indicate that the quality of evidence varies across studies, with some trials having modest sample sizes and limited follow-up durations. This indicates that the evidence provides insight into short-term symptom relief, but information regarding long-term outcomes is less conclusive.


Q: Can taking Taverin affect my mood or energy levels?

A: Documented adverse reactions in the nervous system include insomnia (trouble sleeping) and dizziness. These effects may be associated with changes in alertness or general feeling, but specific terms like 'mood change' are generally not officially classified in the adverse reaction listings.


Q: Is it normal to have mild stomach upset when starting Taverin?

A: The official documentation lists nausea as a documented gastrointestinal effect that may occur. However, the product information does not classify the expected severity or frequency (such as 'mild' or 'normal') of stomach upset upon starting the medicine.


Q: Can Taverin be used with blood pressure medications?

A: The regulatory profile describes that the hypotensive effects of certain medications used to treat blood pressure or heart rhythm are officially enhanced when taken with Taverin. Because Taverin itself can cause hypotension (low blood pressure), this profile indicates the importance of carefully managing use with other agents that lower blood pressure.


Q: What does 'contraindication' mean in the context of Taverin?

A: A contraindication is an official regulatory statement that lists specific pre-existing medical conditions (such as severe heart, liver, or kidney failure) or situations where the drug must not be used. This restriction exists because the medicine must not be used because of the potential for increased risk or harm.


Q: How can I check if a side effect I'm experiencing is documented for Taverin?

A: The complete list of all documented side effects, categorized by frequency and the body system affected, is contained within the official Patient Information Leaflet (PIL) or the prescribing information provided with the medicine. This is the authoritative source for officially documented adverse reactions.


Q: What is the consensus in the medical community about Taverin's long-term safety?

A: Regulatory summaries show that the evidence available primarily focuses on short-term responses, with limited information on outcomes over many months or years. This means that evidence regarding the long-term safety of the medicine is not fully established by the key clinical trials reviewed by regulatory bodies.


Q: How long does it typically take for Taverin to start working?

A: Official regulatory information describing how the drug is handled by the body indicates that the time to achieve the peak effect after taking the oral tablet formulation is typically 1 to 3 hours.


Q: Are there any common foods or drinks to avoid while taking Taverin?

A: Official regulatory information does not list specific foods or beverages that must be strictly avoided. The oral tablets are generally intended to be taken with food or after meals for better administration conditions.


Q: What happens if I forget to take a dose of Taverin?

A: Official patient instructions generally outline a procedure where a missed dose is taken upon remembering. However, if it is nearly time for the next scheduled dose, patient instructions typically indicate that the missed dose should be skipped to avoid taking too much medicine at once.


Q: Are there specific tests I need before starting Taverin?

A: Official regulatory documentation does not mandate specific screening tests or laboratory checks required prior to initiating treatment with Taverin.


Q: Does Taverin interact with caffeine or energy drinks?

A: Official documentation summarizing drug-to-drug interactions does not contain any specific information regarding interactions with caffeine or energy drinks.


Q: Is Taverin a type of controlled substance?

A: Regulatory classification documents from national and international bodies do not list Drotaverine hydrochloride (the active ingredient in Taverin) as a controlled substance.


Q: Can Taverin be used with herbal supplements like St. John's Wort?

A: The official regulatory profile that summarizes drug interactions does not mention specific interactions between Taverin and St. John's Wort or other common herbal supplements.


Q: Does Taverin have a Black Box Warning from the FDA?

A: Review of the US prescribing information indicates that Taverin (Drotaverine hydrochloride) does not carry a specific Black Box Warning from the FDA.


Q: What are the official guidelines regarding using Taverin with alcohol?

A: Official patient information notes that use with alcohol requires careful consideration. This is because alcohol may potentially worsen side effects like dizziness or increase the risk of gastrointestinal issues.


Q: Does Taverin interact with birth control pills?

A: Official documentation summarizing drug-to-drug interactions does not list any specific interactions with hormonal oral contraceptives (birth control pills).


Q: Are there any official restrictions on who can prescribe Taverin?

A: In some international regions, the oral tablet form of the medicine is categorized as Over-the-Counter (OTC), meaning it does not require a prescription for dispensing. The injectable solution generally remains prescription-only.


Q: Is there a known risk of dependence or withdrawal with Taverin?

A: Official product documentation summarizing safety and warnings does not mention a known risk of developing dependence on the medication or the occurrence of specific withdrawal symptoms upon cessation.


Q: Are there any known interactions between Taverin and vitamins?

A: Official documentation summarizing drug-to-drug interactions does not contain information regarding interactions with common vitamins or general mineral supplements.


Q: Does Taverin have any effect on blood sugar levels?

A: The official adverse reaction list and drug interaction section do not document any specific effects on blood sugar (glucose) levels.


Q: What are the official recommendations for stopping Taverin use?

A: Official documentation for this short-term medication does not typically include specific tapering schedules or complex cessation protocols, as it is intended for short-term, symptomatic relief. The intended use is generally stopped when the symptomatic relief is no longer required.


Q: Does Taverin affect cholesterol levels?

A: The official adverse reaction list in regulatory documents does not document any specific effects on cholesterol levels.


Q: How quickly does the effect of Taverin wear off after the last dose?

A: Regulatory information indicates the compound has an elimination half-life of approximately 7 to 16 hours. This half-life is the time it takes for the amount of medicine in the body to be reduced by half.


Q: Are there any common misuses of Taverin that people should be aware of?

A: Official documents consistently highlight that the medication is for short-term, symptomatic relief of acute spasms and is not intended for long-term maintenance use, which cautions against prolonged, unsupervised use.

How should Taverin be stored and disposed of?

Storage and Disposal of Taverin (Drotaverine Hydrochloride)

Official regulatory guidelines define specific conditions for storing Taverin to ensure product integrity, and disposal must follow mandated protocols.


Storage Requirements

Condition Requirement
Temperature Store at or below 30 C (some forms require le 25 C).
Protection Store in the original package to protect from light and moisture.
Child Safety Keep out of the sight and reach of children.

Disposal and Handling

  • Shelf Life: The medicine must not be used after the expiration date (EXP).
  • Disposal: Dispose of unused or expired product according to local regulations.
  • Prohibition: Medicines should generally not be disposed of via wastewater or household waste.

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

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