Neoscopan

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Neoscopan

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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 Neoscopan

Property Description
Active Ingredient Hyoscine Butylbromide
Form Tablets, Solution for Injection
Pharmacological Class Anticholinergic (Antispasmodic)
General Purpose Relief of visceral muscle spasms
Origin Semisynthetic derivative

Neoscopan is a common commercial name for a medicine whose single active ingredient is Hyoscine Butylbromide (INN). This compound is a semisynthetic derivative of the naturally occurring alkaloid hyoscine (scopolamine), chemically modified for its specific therapeutic purpose. The medicine is typically available in tablet form for oral administration and as a solution for injection for parenteral routes, offering different methods for managing acute or sustained discomfort. The formulation is used for its properties in relaxing intestinal muscles and addressing visceral pain.

What Type of Medicine is Hyoscine Butylbromide?

Hyoscine Butylbromide is classified pharmacologically as an Anticholinergic agent, specifically functioning as an Antimuscarinic and a Parasympatholytic drug. This classification signifies its mechanism: it exerts a spasmolytic (muscle-relaxing) effect by blocking the nerve signals that cause painful, involuntary muscle contractions.

The specialized chemical structure, categorized as a quaternary ammonium derivative, is designed to ensure the drug remains a peripherally-acting antispasmodic, focusing its action on the gastrointestinal, biliary, and genitourinary tracts without significantly affecting the central nervous system. Hyoscine Butylbromide is indicated for abdominal spasms and associated pain, as the medicine is an option for easing discomfort arising from muscle cramps in internal organs. Its primary purpose is to alleviate sharp, cramp-like discomfort by helping restore the smooth muscle tissue to a relaxed state.

What side effects are possible with Neoscopan?

Possible Side Effects and Safety Information

The safety profile of Neoscopan (Hyoscine Butylbromide) is primarily defined by its pharmacological classification as a peripherally-acting anticholinergic agent. Adverse reactions are classified by frequency and body system according to regulatory standards, such as those defined in official Summary of Product Characteristics (SmPC) and FDA labeling.

Frequency and System Classifications

The most documented effects are categorized as Uncommon (occurring in fewer than 1 in 100 people). These are largely related to the anticholinergic action and include dry mouth, tachycardia (increased heart rate), and decreased sweating (dyshidrosis).

A Rare adverse reaction (occurring in fewer than 1 in 1,000 people) is urinary retention, which reflects the drug’s antispasmodic effect on smooth muscle tissue.

Reactions with Unknown Frequency are typically serious immediate hypersensitivity responses observed in post-marketing experience. These include severe events such as anaphylactic shock (potentially fatal), anaphylactic reactions, hypotension (low blood pressure), and visual accommodation disorders (blurred vision).

Safety Restrictions and Contraindications

Official labeling defines specific restrictions where use is contraindicated due to safety concerns. These include patients with untreated narrow-angle glaucoma, myasthenia gravis, and all conditions involving gastrointestinal obstruction, such as paralytic ileus or megacolon. Caution is also advised in individuals with pre-existing cardiac conditions or those predisposed to urinary retention, such as prostatic hypertrophy.

Overdose and Emergency Response

The official regulatory profile for Hyoscine Butylbromide (Neoscopan) overdose focuses on the potential for exaggerated peripheral anticholinergic effects. While serious signs of poisoning following acute overdosage have generally not been observed in man, urgent medical advice must always be sought if an overdose is suspected.

Documented Overdose Manifestations

Official labeling describes overdose presentations as typically mild and short-lived. Documented clinical manifestations can include tachycardia (fast heart rate), dry mouth, urinary retention, and transient visual disturbances (including accommodation disorders).

When Immediate Medical Help is Required

Regulators mandate seeking immediate medical attention if severe, unexplained abdominal pain persists or worsens. Urgent help is also required if pain occurs alongside systemic signs such as fever, nausea, vomiting, decreased blood pressure, fainting, or blood in stool.

Officially Documented Management

Overdosage may lead to severe outcomes such as respiratory paralysis or cardiovascular complications. Symptoms officially respond to the administration of parasympathomimetics. In cases of acute oral overdose, documented procedures include gastric lavage with medicinal charcoal, followed by magnesium sulfate. Supportive measures, including artificial respiration for respiratory paralysis or catheterisation for urinary retention, should be considered as part of the formal management procedures described in official labeling.

Therapeutic Uses of Neoscopan

Main Uses of Neoscopan

Neoscopan is primarily utilized to alleviate symptoms associated with spasms of the smooth muscles in the gastrointestinal and genitourinary tracts. Smooth muscle is the type of muscle found in the walls of internal organs, and when these muscles contract involuntarily or excessively, it can lead to significant discomfort.

Gastrointestinal Conditions

In the digestive system, Neoscopan helps manage conditions characterized by cramping and pain. These include:

  • Irritable Bowel Syndrome (IBS): Assisting in the relief of abdominal pain and cramping associated with functional bowel disorders.
  • General Gastrointestinal Spasms: Addressing acute spasms in the stomach or intestines.
  • Biliary Colic: Managing discomfort resulting from spasms in the bile ducts.

Genitourinary Conditions

Neoscopan is also used to address spasms within the urinary and reproductive systems, specifically:

  • Bladder Spasms: Reducing the urgency and pain caused by involuntary bladder wall contractions.
  • Renal Colic: Providing relief for the intense pain caused by spasms in the ureters, often associated with kidney stones.
  • Menstrual Cramps (Dysmenorrhea): Helping to relax the uterine muscles during menstruation to reduce painful cramping.

Benefits and Mechanism of Action

Neoscopan belongs to a class of medications known as antispasmodics. Its primary benefit lies in its ability to target the source of the pain—the muscle contraction—rather than just masking the sensation.

Key Benefits

  • Targeted Relaxation: By acting directly on the muscarinic receptors located on smooth muscle cells, it facilitates the relaxation of the affected organs.
  • Symptom Reduction: The relaxation of these muscles leads to a decrease in the frequency and intensity of cramps, bloating, and localized pain.
  • Support for Diagnostic Procedures: In some clinical settings, it is used to temporarily reduce movement in the digestive tract to allow for clearer imaging during radiological examinations.

Eligibility and Restrictions for Use

Who can and cannot use Neoscopan?

The population eligibility for Neoscopan (Hyoscine Butylbromide) is defined by age, underlying health conditions, and physiological status, as stated in official regulatory labeling.

Population Status Regulatory Rule
Populations Allowed Adults are permitted under standard conditions. Children aged 6 years and older may use the tablet formulation.
Populations Not Recommended Use is not recommended in children under 6 years of age. Use during pregnancy and breastfeeding is also not recommended due to insufficient human data.
Contraindicated Populations The medicine is strictly contraindicated in patients with known hypersensitivity, myasthenia gravis, megacolon, paralytic or obstructive ileus, and mechanical stenosis in the gastrointestinal tract.

Eligibility is further constrained by the drug’s anticholinergic properties. Parenteral administration is contraindicated for patients with untreated narrow-angle glaucoma, cardiac failure, tachycardia, and prostatic hypertrophy with urinary retention. Additionally, patients with rare hereditary galactose or lactose intolerance are prohibited from using the tablet formulation. Caution is explicitly required in older adults and patients with underlying cardiac conditions or a predisposition to narrow-angle glaucoma.

What should I know about interactions with other medicines?

The official regulatory profile for Neoscopan, containing the active ingredient Hyoscine Butylbromide, is structured around documented pharmacodynamic interactions and specific administration constraints.

Pharmacodynamic Interactions

Co-administration with certain medicinal products may lead to an intensification of anticholinergic effects, as described in regulatory labels. This additive interaction is documented for substances such as tri- and tetracyclic antidepressants, antihistamines, antipsychotics (including phenothiazines), quinidine, amantadine, and disopyramide.

The label also identifies an antagonistic interaction with dopamine antagonists (e.g., Metoclopramide), which may result in a diminution of the gastrointestinal effects of both medicines. The tachycardic effects of beta-adrenergic agents may be enhanced when co-administered.

Restrictions and Exposure

Official prescribing information includes a route-specific contraindication: use of the medicine via intramuscular (IM) injection is prohibited in patients receiving anticoagulant drugs due to the documented risk of localized haematoma. Furthermore, the medicine’s influence on gut motility may delay the systemic absorption and pharmacologic effects of other oral medications. Official documents state that interactions with food or herbal products have not been established.

Mechanism of Action

Molecular Target: Antagonism of Cholinergic Signals

The drug acts as a competitive antagonist for muscarinic acetylcholine receptors (M1, M2, M3). By occupying these receptor sites, the molecule prevents the endogenous neurotransmitter acetylcholine (ACh)—the chemical signal for contraction—from binding. This highly specific interference modulates the signaling of neural impulses that drive involuntary smooth muscle contraction in the visceral tracts.

Cellular Cascade: Inhibition of Calcium-Dependent Contraction

The blockade of the muscarinic receptor interrupts the downstream signaling cascade that governs muscle contraction, primarily by inhibiting the mobilization of intracellular calcium ions (Ca^2+). Since sufficient Ca^2+ is essential for smooth muscle fibers to contract, its inhibition leads directly to the physiological effect of spasmolysis, resulting in the relaxation of the smooth muscle tissue.

Pharmacological Specificity: Peripheral Selectivity

The molecule's quaternary ammonium structure is a key mechanistic factor as it prevents significant passage across the blood-brain barrier. This restriction ensures the drug’s pharmacological activity modulates peripheral smooth muscle and autonomic ganglia exclusively, without acting on central nervous system pathways.

Dosage and Administration Information

How Neoscopan is Used: Official Administration Guidelines

Official guidelines determine the precise administration route, dose, and frequency for Neoscopan (Hyoscine Butylbromide).

Administration Routes and Standard Dosing

Administration Route Standard Adult Dose Max Daily Dose Frequency Pattern
Oral (Tablets) 20 mg (two 10 mg tablets) N/A (Based on Frequency) Up to four times daily.
Intravenous (IV) / Intramuscular (IM) 20 mg single dose 100 mg Repeatable after 30 minutes if necessary.

Procedural and Population Rules

Age-Group Administration:

For children aged 6 to 12 years, the usual oral dose is 10 mg up to three times daily. Some official sources do not recommend oral use for children under 12. For the injectable solution, severe cases in infants and young children may use a weight-based dose, not to exceed 1.2 mg/kg bodyweight per day.

Special Conditions for Use:

  • Tablet Intake: Tablets must be swallowed whole with adequate water and should not be crushed or chewed. They may be taken regardless of food intake.
  • IV Administration: Intravenous injection must be performed slowly. The solution may be diluted with standard solutions such as glucose or sodium chloride 0.9% for administration.
  • Duration: The medicine is intended for short-term, acute use and should not be taken on a continuous daily basis for extended periods without medical investigation.
  • IM Injection Precaution: The intramuscular route is cautioned against in patients receiving anticoagulant drugs; subcutaneous or intravenous routes should be used instead.

Recent Clinical Evidence

Research evidence / Overview of studies for Neoscopan

This overview summarizes the key types of research studies that have been conducted for Hyoscine Butylbromide, focusing on what patient outcomes and conditions were examined, according to official regulatory and peer-reviewed sources. This information describes group patterns observed in studies and does not determine whether an individual will respond similarly.


Evidence for Functional Digestive Spasms (IBS and Acute Pain)

Research examined the use of the medicine in patients with Irritable Bowel Syndrome (IBS) and acute gastro-intestinal spasm-like pain. Studies monitored outcomes related to physical discomfort, such as the frequency and intensity of cramp-like pain, over short-term treatment courses. Findings describe patterns observed in the studies related to patient-reported outcomes describing perceived discomfort when compared to a control group. The specific contribution of the active ingredient remains uncertain in studies that utilized combination formulations with other agents.


Evidence for Colic (Renal and Biliary Tract Spasms)

Research explored the use of the medicine for acute spasms in the biliary tract and was evaluated in studies examining pain originating in the genito-urinary tract (renal colic). For biliary colic, Comparative Studies measured patient-reported discomfort outcomes; comparative data described patterns where alternative medications were associated with different measured outcomes. For renal colic, findings were mixed across reviews and trials. The research does not consistently characterize outcomes related to the use of this medicine as a standalone treatment for this acute condition, and existing studies provide limited insight into measured outcomes related to stone passage.


Evidence for Procedural Aid and Dysmenorrhea

Double-Blind Controlled Trials monitored patient-reported outcomes describing perceived discomfort for painful menstrual cramping (dysmenorrhea). Separately, the medicine was evaluated in studies examining its use as a procedural aid where muscle contraction may interfere with medical assessment, such as during endoscopy. The evidence quality varies across studies concerning dysmenorrhea, particularly where some trials relied on combination products, which can make the specific focus of the single active ingredient uncertain.


Limitations and Specific Populations

Most key trials examined short-term symptom changes over limited follow-up durations, meaning long-term effects are not fully established. Research monitored use in adolescents and older adults, but data for groups like pediatric populations (under 12 years) or individuals with specific comorbid conditions remains insufficient. Overall, evidence quality varies across studies, and some key study results apply only to the populations studied.

Key Studies & References

  1. Hyoscine butylbromide versus acetaminophen for nonspecific colicky abdominal pain in children: a randomized controlled trial
  2. The evidence for using hyoscine N-butylbromide (Buscopan) in ureteric obstruction (Systematic Review on Renal Colic)
  3. A Comprehensive Review of the Effects of Hyoscine Butylbromide in Childhood (Review on Special Populations)

Frequently Asked Questions (FAQ)

Common questions about Neoscopan (FAQ)


Q: How quickly does Neoscopan usually start to work?

A: Official product information notes its use is suitable for acute relief because its clinical effects are reported to begin rapidly. This fast onset is observed particularly with the intravenous (IV) form. It is considered an acute treatment for rapidly addressing sharp, cramp-like discomfort.


Q: How long does the effect of Neoscopan typically last?

A: According to official product information, the clinical effect of the medicine generally lasts for about 4 to 6 hours. This duration is consistent with the typical recommended interval between doses, providing short-term relief from visceral muscle spasms.


Q: Can I take Neoscopan if I also take Tylenol (acetaminophen)?

A: Regulatory data generally does not document a direct clinical interaction between Hyoscine Butylbromide and acetaminophen. However, as with any combination of medicines, official product information recommends using the combination with caution. Any treatment involving multiple medicines should be discussed with a healthcare professional.


Q: Does Neoscopan cause drowsiness or make you tired?

A: Official safety data indicates that drowsiness has been reported as an uncommon or rare side effect. Although the drug’s chemical structure is intended to limit its effects on the central nervous system, this possibility is noted. Intensified drowsiness is also listed as a potential symptom of overdose.


Q: What is the most common side effect reported for Neoscopan?

A: The most frequently reported adverse effects are typically categorized as Uncommon or Common in regulatory documents. These are effects related to the drug's anticholinergic action. Reported effects include dry mouth, tachycardia (an increased heart rate), and visual accommodation disorders (difficulty focusing your vision).


Q: Is Neoscopan safe for use in older adults (seniors)?

A: Official regulatory information indicates that caution should be exercised when the medicine is used by older adults. They may be more susceptible to anticholinergic side effects such as dry mouth, constipation, and urinary retention. Use in this population is advised only after careful consideration.


Q: Does Neoscopan interact with common blood pressure medications?

A: Official product information notes a potential interaction with certain types of blood pressure medications. Specifically, the tachycardic effects (increased heart rate) of medicines known as beta-adrenergic agents may be enhanced when they are co-administered with this medicine.


Q: Are there any long-term side effects associated with Neoscopan use?

A: Regulatory guidelines note that this medicine is intended for short-term use, and prolonged continuous treatment without adequate medical investigation is generally not supported by studies. It is not designed for continuous, chronic use.


Q: Can Neoscopan cause dizziness or blurred vision?

A: Yes, official safety documents report both dizziness and blurred vision. Dizziness is listed as a common adverse reaction. Blurred vision, or visual accommodation disorders (trouble adjusting focus), is also noted as a possible side effect.


Q: Is it safe to drive after taking Neoscopan?

A: Regulatory safety information indicates that potentially hazardous tasks, such as driving or operating heavy machinery, should be avoided if a person experiences certain side effects. This warning applies specifically to those who develop blurred vision or dizziness after taking the medicine.


Q: Does alcohol consumption change how Neoscopan works?

A: Official guidance notes that consuming alcohol while taking this medicine may increase the chance of experiencing side effects such as drowsiness. For this reason, it is often suggested to avoid alcohol during the period of treatment.


Q: Are there any documented cases of Neoscopan overdose symptoms?

A: Yes, official regulatory documents describe the symptoms of an overdose. These symptoms typically relate to an intensification of the drug’s anticholinergic effects. Documented signs can include dry mouth, difficulty passing urine, rapid heart rate, reddening of the skin, and transient visual disturbances.


Q: Does Neoscopan have a risk associated with high heat or sun exposure?

A: A caution is associated with the medicine’s mechanism of action. Because the drug can suppress sweat gland activity (an anticholinergic effect), there may be an increased risk of a rapid rise in body temperature. This concern is heightened in conditions of high environmental heat or strenuous activity.


Q: Why does the packaging list so many potential drug interactions?

A: The number of potential drug interactions listed is due to Neoscopan’s classification as a peripherally-acting anticholinergic agent. This pharmacological group may lead to an additive or enhanced anticholinergic effect when used alongside other medicines that share similar properties (e.g., certain antidepressants or antihistamines).


How should Neoscopan be stored and disposed of?

How to Store and Dispose of Neoscopan?

Storage & Disposal Scope Official Regulatory Requirements
Storage Temperature Store at room temperature, typically below 25 C or 30 C (varies by formulation/region).
Protection Requirements Keep in the original package to protect from light and moisture.
In-Use Stability The injection solution must be used immediately after the ampoule is opened, and any unused contents must be discarded.
Handling Restrictions Do not freeze the solution for injection. Do not use the medicine after the expiry date.
Child Safety Keep this medicine strictly out of the sight and reach of children.
Disposal Instructions Do not throw away unused or expired medicine via wastewater or household waste.
Waste Handling Dispose of the product according to the specific instructions provided by a pharmacist or in line with local regulatory requirements for pharmaceutical waste.

Official regulatory documents define strict environmental controls requiring storage at a controlled room temperature and constant protection from light and moisture. The product must remain in its original container and should never be used past its labeled expiration date. For the injectable form, the entire contents must be administered immediately upon opening. Safe disposal mandates that the product must not enter the sewage system or general household trash, requiring adherence to local guidelines for proper pharmaceutical waste handling.

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

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