Scobutil

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Medically reviewed

Rosario Oropesa

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 Scobutil

Quick Facts

Property Description
Active Ingredient Hyoscine Butylbromide (Scopolamine Butylbromide)
Forms Oral Tablet, Injection Solution, Suppository
Pharmacological Class Antispasmodic Agent, Anticholinergic Drug
General Purpose Relieves acute smooth muscle cramps (spasms)
Origin Semisynthetic derivative of a natural alkaloid

Scobutil is a specialized, prescription-only medication whose active ingredient is Hyoscine Butylbromide, primarily classified as an antispasmodic agent. It is designed to provide rapid relief from involuntary muscle contractions, or spasms, in internal organs. The medication is available as a single-component product and its effectiveness is clinically recognized for acute symptom management.

Pharmacological Identity and Composition

Scobutil belongs to the pharmacological class known as parasympatholytic agents and functions as a muscarinic receptor antagonist. The active substance, Hyoscine Butylbromide (also known as Scopolamine Butylbromide), is a semisynthetic derivative of scopolamine, which is a naturally occurring belladonna alkaloid. This compound is structured as a Quaternary Ammonium Compound, a chemical design that ensures the drug acts almost entirely peripherally, minimizing effects on the brain.

The medication exhibits targeted action on the smooth muscles of the abdomen. It is manufactured in several pharmaceutical preparations, including the common oral tablet, a solution for injection (parenteral use), and a rectal suppository.

General Purpose of Spasm Relief

The general purpose of Scobutil is to provide symptomatic relief by achieving relaxation of smooth muscle tissue that lines hollow organs. By blocking the nerve-induced signal for contraction, Hyoscine Butylbromide directly alleviates the sharp, often debilitating cramping pain that results from these involuntary spasms. For example, it is used to provide relief from the type of severe, cramping pain typical of spasms in the gastrointestinal tract and the urinary system.

Regulatory References

  1. NIH MedlinePlus

What side effects are possible with Scobutil?

Possible Side Effects and Safety Information for Scobutil

Scobutil (which may refer to Scopolamine or Hyoscine Butylbromide) is an anticholinergic agent, and its safety profile is defined by its effects on the nervous system and smooth muscles.

Adverse Reaction Scope

Classification Common Adverse Reactions (e.g., Common: 1/10 to 1/100)
System-Organ Classes Dry mouth, blurred vision, mydriasis (dilated pupils), dizziness, and somnolence (drowsiness).
Serious Adverse Reactions Clinically significant adverse effects include the potential to precipitate acute angle-closure glaucoma and a risk of acute toxic psychosis (including confusion, agitation, and hallucinations), which may occur even at therapeutic doses. Anaphylactic shock has been reported rarely, requiring immediate medical attention.

Population-Specific Safety and Restrictions

Contraindications include a known hypersensitivity to the drug or belladonna alkaloids, as well as pre-existing conditions such as angle-closure glaucoma, myasthenia gravis, and mechanical narrowing or obstruction of the gastrointestinal or urinary tract (e.g., pyloric or urinary bladder neck obstruction).

Safety Restrictions and Precautions require caution in the elderly and in patients with hepatic or renal impairment due to increased likelihood of central nervous system (CNS) effects. Patients should be monitored for signs of urinary retention or worsening psychiatric symptoms. Due to the potential for dizziness and visual disturbances, patients are advised to refrain from driving or operating machinery until they are certain the medication does not impair their ability. The risk of hyperthermia and heat-related complications may also increase with use.


Regulatory Summary

The official safety information structures the understanding of risks primarily around the drug's potent anticholinergic properties. This framework clearly establishes contraindications and required monitoring for specific, vulnerable patient populations. The profile details a spectrum of effects, from common peripheral effects to serious, potentially life-threatening systemic and CNS reactions that define the necessary limitations on use.

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information for Scobutil

The official regulatory documentation defines overdosage of Scobutil by the presence of severe anticholinergic symptoms that require immediate medical attention.

Overdose Presentation Key Manifestations (Documented in Labeling)
Documented Symptoms Tachycardia (fast heart rate), dry mouth, urinary retention, reddening of the skin, inhibition of gastrointestinal motility, and transient visual disturbances (accommodation disorders).
Severe Outcomes Respiratory paralysis, cardiovascular complications, and Cheynes-Stokes respiration have been reported. Rare neurological effects include isolated reports of coma, hallucinations, and confusion following high-dose parenteral administration.

Immediate Action and Mandated Management

Medical advice must be sought immediately if overdosage is suspected, even in the absence of obvious symptoms. Urgent ophthalmological advice is required if a painful, red eye with loss of vision develops.

Regulatory documents specify that symptoms of overdosage respond to parasympathomimetics. Official management procedures for oral poisoning include gastric lavage, followed by administration of activated charcoal and magnesium sulphate. Consideration of intubation, artificial respiration, and catheterisation for urinary retention may be required, depending on the presentation.

Connection to the overall overdose profile

Regulatory documents define the overdose profile as a peripheral anticholinergic syndrome that necessitates immediate intervention and hospital monitoring. This profile dictates the mandated procedural steps and confirms the documented response of symptoms to parasympathomimetic agents.

Therapeutic Uses of Scobutil

Scobutil is commonly used across therapeutic domains where short-term symptom management for muscle spasm is appropriate, primarily targeting symptoms related to heightened physiological activity in the abdomen and pelvis.


Therapeutic Scope: Spasm and Colic Relief

Scobutil is primarily applied in clinical settings that involve symptoms associated with acute or episodic changes, particularly pronounced cramping pain associated with colic. This includes painful episodes such as renal colic (kidney stones) and biliary colic (gallstones), as well as gastrointestinal spasms and menstrual cramping (dysmenorrhea). This therapeutic domain is highly relevant for managing the symptomatic burden of conditions characterized by periods of heightened symptoms like Irritable Bowel Syndrome (IBS).

It offers symptomatic relief that helps the patient cope more steadily with episodes of heightened discomfort and assists with maintaining functional stability during phases of increased distress. The medication is applied in scenarios where additional management of discomfort is required to support certain diagnostic procedures.


Quick Fact: Relief for Abdominal Cramping Property Description
Primary Indication Focus Smooth muscle spasm and associated cramping pain
Target Conditions Renal colic, biliary colic, IBS spasms, acute GI cramps
Patient Benefit Supports symptom management and day-to-day comfort

Eligibility and Restrictions for Use

Regulatory documents do not contain an official eligibility profile for a product explicitly named Scobutil. This summary reflects the official eligibility profile for Hyoscine Butylbromide (the active substance often regionally associated with this name), based on government regulatory labeling.

Contraindications

Use is contraindicated in individuals with a known hypersensitivity to the drug, and those diagnosed with Myasthenia gravis, Megacolon, or narrow-angle glaucoma (untreated). It must not be used in patients with an obstructive or paralytic ileus or any mechanical stenosis in the gastrointestinal tract. Specific formulations for injection may have additional contraindications related to cardiac status (e.g., tachycardia) or use with anticoagulants.

Restricted/Conditional Use

  • Pregnancy and Breastfeeding: Use is generally not recommended due to insufficient data to establish safety, a status defined by regulatory bodies as a precautionary measure.
  • Age: Oral formulations are typically not recommended for children under six years of age.
  • Chronic Use: The medicine is not intended for continuous daily use without a medical investigation into the cause of the symptoms.

What should I know about interactions with other medicines?

The interaction profile for Scobutil (Hyoscine Butylbromide) is documented primarily around pharmacodynamic potentiation and restrictions based on the route of administration, as specified in regulatory labeling. The drug interacts with several medicine classes that possess similar effects.

Pharmacodynamic and Contraindicated Interactions

Interaction Type Interacting Agent Official Effect Statement
Potentiation (Additive Effect) Tri-/Tetracyclic Antidepressants, Antihistamines, Antipsychotics, Quinidine, Amantadine Intensified anticholinergic effect
Antagonism Dopamine Antagonists (e.g., Metoclopramide) Diminution of effects on the gastrointestinal tract
Enhanced Effect Beta-adrenergic Agents Enhanced tachycardic effects

Co-administration with other anticholinergics (including tiotropium and ipratropium) also intensifies the anticholinergic effect. For parenteral use, Scobutil must not be given by intramuscular injection to patients receiving anticoagulant drugs due to the officially documented risk of intramuscular haematoma. The oral tablets are also contraindicated for individuals with hereditary fructose intolerance due to sucrose content.

Exposure and Timing Constraints

To prevent reduced absorption, Scobutil should be given at least one hour before Antacids or Adsorbent Antidiarrheals. The official labeling notes that interaction effects such as tachycardia may be more severe in patients with pre-existing cardiac conditions like cardiac failure or hypertension. Alcohol consumption may increase the chance of side effects such as drowsiness.

Mechanism of Action

How Scobutil Works

Hyoscine Butylbromide acts as a highly specific anticholinergic agent, confining its effect to the periphery due to its Quaternary Ammonium Compound structure, which limits its ability to cross the blood-brain barrier (BBB). Its mechanism involves a targeted disruption of the nervous signals that trigger involuntary contractions in visceral organs.

Molecular Targeting and Contraction Inhibition

The drug's core action is its function as a competitive antagonist at peripheral Muscarinic Acetylcholine Receptors (M1, M2, M3) on smooth muscle cells. By binding to these sites, the drug prevents the endogenous neurotransmitter Acetylcholine (ACh) from initiating a signal. This blockade halts the subsequent intracellular cascade that relies on the release of calcium ions ( Ca^2+).

Suppressing Ca^2+ mobilization prevents the necessary interaction between the muscle's contractile proteins. This molecular event directly results in the physiological consequence of smooth muscle relaxation, leading to the inhibition of sustained, involuntary muscle contraction in the gastrointestinal, biliary, and genitourinary tracts.

Dosage and Administration Information

Official Administration Guidelines

The use of Scobutil (Hyoscine Butylbromide) is strictly defined by its approved formulations and routes. The medicine is available as an oral tablet and a solution for injection, allowing for administration by the oral, intravenous (IV), intramuscular (IM), or subcutaneous (SC) routes.

Labeled Dosing and Frequency

For adult use of the oral tablet, the standard labeled dose is 10 mg to 20 mg, typically administered three to five times daily. The tablets should be swallowed whole with water and may be taken irrespective of food. For acute episodes requiring rapid intervention, the parenteral dose is a single 20 mg injection. This dose may be repeated once after 30 minutes if necessary, but the maximum total daily dose for the parenteral route must not exceed 100 mg.

Contextual Use and Duration

Parenteral administration requires specific handling: the IV injection must be performed slowly, and the solution may be diluted with standard agents like 0.9% sodium chloride solution. For individuals receiving anticoagulants, the intramuscular route is officially restricted, with the intravenous or subcutaneous routes designated as alternatives. Critically, Scobutil is intended for short-term symptom management and must not be taken on a continuous daily basis or for extended periods without medical investigation into the cause of the discomfort.

Age-Group Rules

For children aged 6 to 12 years, the standard oral regimen is 10 mg, administered three times daily. No specific dose adjustment is generally required for older adults.

Recent Clinical Evidence

Research evidence / Overview of Studies for Scobutil

Evidence for Acute Abdominal Spasms and Pain

Research examined Scobutil in short-term randomized controlled trials (RCTs) and comparative studies involving adults and adolescents in research exploring how symptoms change over time related to acute abdominal pain. These studies monitored outcomes related to physical discomfort, such as measurements of pain intensity changes and the use of rescue pain medication. Findings described patterns observed in the trials related to pain intensity changes. The evidence base is limited to short-term observations, and data for certain pediatric age groups remain insufficient.

Evidence for Managing Irritable Bowel Syndrome (IBS) Spasms

The evidence base for conditions characterized by fluctuating or episodic manifestations, such as Irritable Bowel Syndrome, includes historical RCTs and meta-analyses. These studies monitored adult patients, exploring patient-reported outcomes describing perceived discomfort and global symptom status over defined time intervals. Studies reported how symptoms evolved, noting measurements of changes in patient-reported outcomes. Certainty remains low due to a lack of modern data utilizing current diagnostic criteria and limited information for long-term outcomes.

Evidence in Procedural and Special Clinical Contexts

Research as an Aid in Diagnostic Imaging

Scobutil was evaluated in research contexts involving temporary physiological imbalance during diagnostic procedures. Studies monitored technical outcomes, such as the degree of peristaltic movement and the technical quality of images, in adults undergoing procedures like endoscopy.

Research in Labor and Delivery

Extensive RCTs and systematic reviews have explored outcomes related to physical discomfort in women during labor. Research monitored the duration of labor stages and the rate of cervical change. Data show patterns related to how the measured duration evolved, but findings were mixed across various subgroups examined.

Research Gaps and Areas of Uncertainty

Across the entire research landscape, follow-up durations were limited in the majority of trials. This means long-term effects are not fully established, and data for sustained use are still emerging. The overall evidence quality varies across studies, and subgroup findings are uncertain due to modest sample sizes, highlighting a continued need for focused research.

Key Studies & References

  1. Hyoscine butylbromide versus acetaminophen for nonspecific colicky abdominal pain in children: a randomized controlled trial

Frequently Asked Questions (FAQ)

Common questions about Scobutil (FAQ)


Q: What kind of medicine is Scobutil and how does it work?

According to the official product information, Scobutil belongs to a class of medicines called antispasmodics.

The mechanism of action involves blocking a specific chemical in the body, which is intended to help relax the smooth muscles in organs like the stomach, intestines, and bladder. This action is associated with the reduction of cramping and spasms.


Q: Is Scobutil available without a prescription?

Regulatory documents indicate that Scobutil may be available for sale without a doctor's prescription in certain formulations and package sizes. This is generally true for its use in treating mild, temporary stomach and intestinal spasms.


Q: How long does Scobutil typically take to start working?

Official information indicates that after taking a dose, the effect of Scobutil often begins within 15 to 30 minutes. This onset is generally considered quick, which is beneficial for addressing acute symptoms of muscle spasms.


Q: Can Scobutil be used for all types of stomach pain?

Scobutil is specifically approved to relieve pain caused by spasms of the smooth muscle in the digestive and urinary tracts. Official information states it is effective for conditions like Irritable Bowel Syndrome (IBS) or spasms related to bile duct issues. It is not intended for all sources of abdominal pain.


Q: What should I do if I miss a dose of Scobutil?

Official guidance suggests that if a dose is missed, users should not take the missed dose and instead continue with the next scheduled dose at the regular time. Regulatory sources advise against taking two doses at once to make up for the one that was forgotten.


Q: Are there any foods or drinks I should avoid while taking Scobutil?

Studies and official product information do not indicate any specific foods or drinks that must be avoided entirely while using Scobutil. However, since this medicine addresses intestinal complaints, individuals may find it helpful to generally monitor their intake of excessive alcohol or foods known to trigger their spasms.


Q: Can Scobutil affect my ability to drive or operate machinery?

According to the official product information, Scobutil can occasionally cause side effects such as drowsiness or dizziness in some individuals. Due to this potential effect, individuals are advised to exercise caution and assess their personal reaction to the medicine before driving or operating machinery.


Q: Is it safe to use Scobutil during pregnancy or while breastfeeding?

Regulatory documents state that use of Scobutil during pregnancy is generally not recommended unless a healthcare professional has determined the benefits outweigh the potential risks. Similarly, it is advised to avoid use while breastfeeding because there is insufficient data on whether the drug passes into breast milk and its effect on the infant.


Q: Does Scobutil contain lactose or gluten?

Official product information specifies that some formulations of Scobutil tablets do contain lactose as an inactive ingredient. Individuals with a known intolerance to lactose or other sugars should consult the full product leaflet. The product information does not usually list gluten as a component.


How should Scobutil be stored and disposed of?

How to Store and Dispose of Scobutil?

Storage & Disposal Requirement Official Regulatory Statement
Temperature and Environment Store below 25°C or 30°C and do not freeze. Protect the medicine from light and moisture [Source: EMA SmPC, DailyMed].
Container and Packaging Keep the product in its original outer carton to maintain protection and stability [Source: EMA SmPC].
Child Safety Keep out of the sight and reach of children at all times [Source: NIH/MedlinePlus].
Disposal Do not dispose of unused or expired medicine via wastewater or household trash. Dispose of the product according to local pharmaceutical waste regulations [Source: EMA SmPC].

These guidelines ensure the medication remains chemically stable and effective throughout its labeled shelf-life.

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

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