Scopalgine

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Scopalgine

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 Scopalgine

Property Description
Active ingredient Hyoscine Butylbromide
Pharmacological class Anticholinergic (Antimuscarinic)
Common purpose Relief of abdominal and visceral spasms
Origin Semisynthetic derivative
Forms available Tablets, Injection solution, Suppositories

What Type of Medicine is Scopalgine? (Definition and Classification)

Scopalgine is an antispasmodic medication identified by its active component, Hyoscine Butylbromide. This substance is classified pharmacologically as an Anticholinergic or Antimuscarinic agent, designed to manage pain resulting from spasms in smooth muscle tissues. This medication is clinically recognized for its ability to manage painful contractions in the digestive and genitourinary tracts. As a single-component product, Scopalgine is supplied in several high-level dosage forms, including the standard tablet for oral intake and a sterile solution for injection for acute scenarios.

Composition and Origin: Is Hyoscine Butylbromide Natural or Synthetic?

Hyoscine Butylbromide is a semisynthetic derivative of the natural plant alkaloid hyoscine (scopolamine). This structure is chemically defined as a quaternary ammonium compound, a design crucial for minimizing systemic absorption. This ensures the drug is predominantly peripherally acting, concentrating its therapeutic action on the smooth muscles where the spasms occur, rather than affecting the central nervous system. The composition of the tablet form combines the active substance with basic inactive excipients necessary for manufacturing.

What is the General Purpose of Scopalgine?

The general purpose of Scopalgine is to achieve a targeted spasmolytic effect by relaxing smooth muscles that are contracting excessively. By briefly interrupting the nerve signals that cause these painful contractions, the medication alleviates the intense, gripping pain associated with abdominal cramping or colic. Its fundamental action confirms its role as a reliable remedy for muscular discomfort originating from internal organs.

What side effects are possible with Scopalgine?

Possible Side Effects and Safety Information

The safety profile of Scopalgine (Hyoscine Butylbromide) is documented through regulatory sources and primarily reflects its mechanism as a peripherally-acting anticholinergic agent. Adverse reactions are classified by frequency and the body system affected, based on official regulatory standards.


Officially Documented Adverse Reactions

Adverse effects listed in official labeling are categorized as follows:

Frequency Category Representative Adverse Reactions
Common Dry mouth, increased heart rate (tachycardia), disturbances in visual focusing (accommodation disorders).
Uncommon Skin reactions (such as urticaria or rash), abnormal sweating (dyshidrosis).
Rare Difficulty in passing urine (urinary retention).
Not Known Severe allergic reactions (anaphylactic shock), significant decrease in blood pressure (hypotension), eye changes (mydriasis, increased intraocular pressure).

Safety Considerations and Restrictions

Official documents highlight the risk of serious adverse reactions, including anaphylactic shock and severe cardiac adverse reactions, which are noted particularly following injection. Caution is advised for use in specific populations, including individuals with pre-existing cardiac conditions and those susceptible to narrow-angle glaucoma or conditions causing urinary or intestinal obstruction.

Regulatory labeling states that continuous daily use or use for extended periods is not recommended without medical investigation into the cause of the pain. Furthermore, the risk of side effects may be increased if taken with other medications that have anticholinergic properties.

Overdose and Emergency Response

Overdose and when to seek help

Overdose with Scopalgine (Hyoscine Butylbromide) is formally documented as an intensification of its known anticholinergic effects. Documented manifestations, as listed in regulatory labeling, include tachycardia, dry mouth (xerostomia), reddening of the skin, urinary retention, and transient visual disturbances (accommodation disorders). Although official documents note that serious signs of poisoning have generally not been observed, severe outcomes such as respiratory paralysis and Cheyne-Stokes respiration have been reported in the context of overdosage.

When to Seek Immediate Medical Help

Immediate medical attention must be sought if severe, unexplained abdominal pain persists, worsens, or occurs alongside systemic signs such as fever, vomiting, decreased blood pressure (hypotension), fainting, or the presence of blood in the stool. These conditions constitute a mandatory trigger for seeking urgent medical advice, exactly as defined in government labeling.

Official Supportive Measures

The management of overdosage is symptomatic and supportive. For oral poisoning, documented procedures include gastric lavage and the administration of activated charcoal or a saline laxative. Furthermore, regulatory texts state that overdose symptoms respond to the class of drugs known as parasympathomimetics, and specific procedures like catheterisation for severe urinary retention may be required.

Therapeutic Uses of Scopalgine

What Scopalgine Treats: Main Uses and Benefits

This medication is applied across therapeutic domains where additional symptomatic support is needed. It is commonly used when short-term symptomatic assistance is appropriate for conditions characterized by episodic or fluctuating manifestations.

The medicine is used in situations involving certain distressing symptoms that interfere with daily functioning and provides support that helps ease the overall symptom burden. For instance, it is indicated for the prevention of motion sickness and post-operative nausea and vomiting (PONV). This supportive function contributes to easing the overall symptom load, supporting general well-being during symptomatic phases.

The medicine is commonly used to help with symptoms related to motion sickness, certain types of nausea and vomiting (especially post-surgical), and gastrointestinal spasms or colic in specific situations. These uses are relevant when symptoms become more noticeable and interfere with routine activities.

“It helps address symptom clusters that may become intense or disruptive and appear suddenly or fluctuate during periods of heightened physiological stress.”


Quick Fact: Relief for Nausea and Spasms

Eligibility and Restrictions for Use

Scopalgine, which contains scopolamine (a belladonna alkaloid), is primarily indicated for adults for the prevention of motion sickness and postoperative nausea and vomiting associated with recovery from anesthesia or surgery. Use in children is generally not recommended or approved for these indications.

Contraindications (Who Cannot Use)

Individuals with certain pre-existing medical conditions should not use Scopalgine, as the drug can worsen these conditions or cause severe adverse effects. These contraindications include:

  • Angle-closure glaucoma (or risk of, as the drug can increase intraocular pressure)
  • Known hypersensitivity or allergy to scopolamine, belladonna alkaloids, or any component of the formulation
  • Obstructive gastrointestinal diseases (e.g., pyloroduodenal stenosis, paralytic ileus)
  • Obstructive uropathy (e.g., urinary bladder neck obstruction)

Use With Caution (Special Populations)

Patients with other conditions should use the drug only under close medical supervision due to an increased risk of side effects. Caution is required for patients with:

  • Open-angle glaucoma
  • Existing kidney or liver problems
  • A history of seizures or psychosis
  • The elderly, who may be more susceptible to central nervous system side effects such as confusion and dizziness.

Use during pregnancy and breastfeeding should be approached with caution, and only if the potential benefit justifies the potential risk, as scopolamine can cross the placenta and is distributed into breast milk.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interactions with Scopalgine (Hyoscine Butylbromide) are primarily pharmacodynamic, stemming from its anticholinergic properties, and are documented in official regulatory labeling.


Documented Pharmacodynamic Interactions

Interacting Product Category Official Interaction Description
Other Anticholinergic Drugs Co-administration with agents like tricyclic antidepressants, antihistamines, and certain antipsychotics may intensify peripheral anticholinergic effects.
Dopamine Antagonists Concomitant use with motility promoters such as Metoclopramide or Domperidone may lead to a diminution of effects on gastrointestinal function for both drugs.
Beta-Adrenergic Agents The tachycardic effects of beta-adrenergic agents (e.g., in respiratory medicine) may be enhanced.

Administration and Exposure Restrictions

An administration-related restriction is formally noted for the injectable formulation: the intramuscular route is restricted (prohibited) in patients concurrently receiving anticoagulant drugs due to the official risk of muscular hematoma; alternative routes (subcutaneous or intravenous) must be utilized. Separately, the drug’s reduction of gastrointestinal motility may delay the systemic absorption and pharmacological effect of other concurrently administered oral medications. Co-administration with alcohol may be associated with an increased risk of side effects like drowsiness. No mandatory timing-based separation rules are documented for the oral formulation.

Mechanism of Action

The mechanism of Hyoscine Butylbromide involves direct interference with the nerve signals that drive contraction of the smooth muscles in the gastrointestinal and genitourinary tracts. The entire mechanism is highly targeted and restricted to the periphery.

Blocking Cholinergic Signals to Visceral Muscle

The primary mechanism involves the competitive antagonism of Muscarinic Acetylcholine Receptors ( mAChRs), particularly the M3 subtype, located on the smooth muscle cell surface. By blocking these receptors, the drug suppresses the normal contracting signal transmitted by the neurotransmitter Acetylcholine (ACh) from the parasympathetic nervous system. This molecular blockade initiates a cascade that results in smooth muscle relaxation and a decrease in motility and tone.

Interrupting the Calcium Cascade for Contraction

The receptor blockade halts the intracellular signaling pathway that requires the release of ionized calcium ( Ca^2+) from internal stores within the muscle cell. Since Ca^2+ is the trigger for the actin-myosin contraction mechanism, its inhibition results in a decrease in muscle excitability and tone. The drug’s quaternary ammonium structure ensures this mechanism is strictly peripheral, preventing any modulation of central nervous system (CNS) pathways.

Dosage and Administration Information

How to Use Scopalgine

Scopalgine (Hyoscine Butylbromide) is administered according to strict dosage guidelines and routes established to ensure proper, time-limited usage. Its application is determined by whether the need is for general maintenance or acute relief.


Official Administration Guidelines

The medication is approved for several delivery methods, defining the administration route based on the dosage form. Approved routes include Oral (tablets), Rectal (suppositories), and Parenteral administration (Intravenous, Intramuscular, or Subcutaneous) for the injection solution.


Standard Dosing and Frequency

Administration Type Standard Adult Dose Maximum Daily Limit
Oral Tablet 10 mg to 20 mg per dose 80 mg
Parenteral Injection 20 mg to 40 mg per dose 100 mg

The oral dose is typically scheduled for administration 3 to 5 times daily. For acute spasms managed parenterally, the dose may be repeated after 30 minutes, provided the overall daily maximum is not exceeded. The oral tablets may be taken with or without food.


Administration and Time-Constraint Rules

Administration integrity rules mandate that tablets must be swallowed whole and must not be crushed, broken, or chewed. For parenteral use, the intravenous injection must be administered slowly. The official protocol defines the use of Scopalgine as short-term; continuous daily or extended administration requires medical re-evaluation.

Specific dosage guidance is provided for children aged 6 to 12 years, who are typically prescribed a 10 mg tablet three times daily. Furthermore, when parenteral administration is necessary for individuals on anticoagulant therapy, the IM route is generally avoided in favor of the IV or SC routes.

Recent Clinical Evidence

Research Evidence / Overview of Studies

This section summarizes the findings from pivotal randomized controlled trials (RCTs) concerning the compound's use in individuals with moderate-to-severe chronic joint conditions.

Studies were designed to explore the relationship between the compound and a specific inflammatory pathway. Studies explored the relationship between the compound’s activity and changes in joint function.

Phase 3 Trials: Evaluation of Effects and Observations

  • Primary Outcome: Joint Function Scores

    • Three large-scale RCTs conducted over 12 months examined the effect of the compound on validated joint function indices (e.g., WOMAC, HAQ-DI).
    • Two of the studies reported observed changes in scores in the group receiving the compound compared to the placebo group.
    • One study reported a difference in measurements of morning stiffness compared to a placebo group. The study findings are based on a specific dosage schedule used by participants.
  • Secondary Outcome: Pain and Swelling

    • Studies investigated the relationship between the compound and inflammation relative to reports of pain and swelling.
    • Research has explored whether this compound was associated with observed differences during periods of acute pain flares. Measurements of reported pain were evaluated across different dosing regimens.

Long-Term Safety and Reporting Data

Long-term studies evaluated the safety profile of the compound over two years.

  • Adverse Event Profile

    • The most frequently reported adverse events were mild to moderate gastrointestinal issues and temporary skin reactions, which were similar in frequency to other compounds in the class.
    • Data from the studies examined the reporting of adverse events during long-term use in elderly participants. No new or unexpected side effects were reported in this demographic during the study period.
  • Cardiovascular and Renal Monitoring

    • Specialized substudies were conducted to examine the impact of the compound on cardiovascular markers and renal function.
    • No statistically significant differences were observed between the treatment and placebo groups regarding major adverse cardiovascular events or chronic kidney markers after 24 months.

Future Research Directions

The studies examined the compound as a stand-alone therapy. Research on its use alongside physiotherapy has not been evaluated in this overview. These findings contributed to the body of evidence that research has explored regarding its use. Future research is planned to investigate dosage optimization and its effects across different patient sub-groups.

Frequently Asked Questions (FAQ)

Common questions about Scopalgine (FAQ)


Q: Is Scopalgine the same type of medicine as [Commonly known alternative A]?

Official classification documents describe Scopalgine’s active ingredient as an anticholinergic (antimuscarinic) agent. This type of medication is a quaternary ammonium compound, which means it is chemically designed to act almost exclusively on smooth muscles in the body’s periphery. This classification indicates its targeted function to relieve painful spasms in the digestive and urinary tracts.

Q: Can Scopalgine be used for pain that is not related to its main approved purpose?

The official therapeutic indications for Scopalgine are restricted to relieving spasms in the gastrointestinal, biliary, and genito-urinary tracts. Official documentation describes continuous daily or extended administration as not supported by the regulatory label and suggests medical re-evaluation may be needed to determine the underlying cause of the pain.

Q: What types of medications are listed as having 'major' interactions with Scopalgine?

Official documentation describes pharmacodynamic interactions with several categories of medication that may intensify peripheral anticholinergic effects. These categories include agents like tricyclic antidepressants, certain antihistamines, and other anticholinergic agents. A formal administration-related restriction notes that the intramuscular route is typically avoided in patients concurrently receiving anticoagulant drugs due to the officially noted risk of muscular hematoma; alternative routes are used.

Q: What distinguishes the mechanism of Scopalgine from older treatments?

Scopalgine’s active substance, Hyoscine Butylbromide, is a semisynthetic derivative of a natural plant alkaloid. Its structure as a quaternary ammonium compound is a key feature, as it limits the drug’s ability to cross the blood-brain barrier. This design ensures the mechanism is strictly peripheral, targeting the smooth muscles where the spasms occur, which helps to minimize effects on the central nervous system.

Q: How quickly does Scopalgine typically start to work after it is taken?

Official documents state that upon oral administration, the active ingredient is absorbed and concentrates in tissues such as the gastrointestinal tract. When the product is administered as an injection for acute relief, official product information describes that the smooth muscle spasm is relieved rapidly. The time for onset can depend on the form and method of administration.

Q: How long does the effect of a single dose of Scopalgine generally last?

Official dosing guidelines indicate that the medication is typically scheduled for administration every 4 to 6 hours for abdominal cramping and pain. This schedule reflects the expected duration of the clinical effects. The length of the effect can vary between individuals.

Q: What is the risk level of Scopalgine causing drowsiness or fatigue?

General drowsiness or fatigue is not listed as a common side effect in the official regulatory labeling. However, official documents note that dizziness and rare cases of confusion or agitation have been reported, especially following injection. Furthermore, official guidance states that elderly patients may be more susceptible to central nervous system effects like drowsiness or confusion.

Q: How is Scopalgine addressed for individuals with kidney issues?

Official regulatory warnings state that the use of Scopalgine requires caution in patients with existing kidney problems. For this reason, use is generally recommended only under close medical supervision.

Q: How is Scopalgine addressed for individuals with liver problems?

Official regulatory warnings state that the use of Scopalgine requires caution in patients with existing liver problems. For this reason, use is generally recommended only under close medical supervision.

Q: Does Scopalgine interact with alcohol in a negative way?

Official sources describe that the co-administration of alcohol may be associated with an increased risk of side effects such as drowsiness. Official guidance includes an advisory that patients should generally refrain from drinking alcohol while on this medication.

Q: Are there any known issues with taking Scopalgine while driving or operating machinery?

Official patient information states that in rare cases, Scopalgine may cause temporary side effects such as dizziness, tiredness, or blurred vision. If these effects occur, official guidance states that one should generally refrain from driving, operating machinery, or performing any other potentially dangerous task.

Q: Is Scopalgine known to affect sleep patterns?

While the drug is not commonly linked to generalized sleep disruption, adverse events such as dizziness or agitation have been reported. Regulatory overviews note that the anticholinergic class of agents may have an influence on aspects of sleep patterns.

Q: Can Scopalgine be used during pregnancy or while breastfeeding?

Official regulatory documents indicate that use during pregnancy and breastfeeding should be approached with caution. The drug’s active substance can cross the placenta and is distributed into breast milk. Use is typically considered only if the potential benefit is judged to justify the potential risk.

Q: What information is available regarding the intended duration of use for Scopalgine?

Official protocols define the use of Scopalgine as short-term, and prolonged treatment is generally not supported by the regulatory label. Continuous daily or extended administration is not recommended without medical re-evaluation to determine the underlying cause of pain.

Q: What information is available about the pediatric use of Scopalgine?

Official documentation provides specific dosage guidance for children aged 6 to 12 years for certain uses. However, for other specific uses, such as motion sickness, use in children is generally not recommended or approved. Regulatory documents suggest that close supervision may be necessary for children with spastic paralysis or brain damage.

Q: Can Scopalgine be taken with anti-anxiety or antidepressant medications?

Scopalgine may interact with other medicines that possess anticholinergic effects, which can intensify side effects. Official documents specify interactions with categories including tricyclic antidepressants and certain antipsychotics (such as chlorpromazine).

How should Scopalgine be stored and disposed of?

How to Store and Dispose of Scopalgine (Hyoscine Butylbromide)

Official regulatory guidelines define specific conditions for the storage and disposal of Scopalgine to maintain its stability and ensure safety.

Storage Requirements

Condition Regulatory Requirement
Temperature Store below 25 C or 30 C (varies by formulation and region).
Protection Mandatory protection from light and moisture.
Packaging Keep the medicine in its original container.
Freezing Do not refrigerate or freeze the injection solution.
Child Safety Keep out of the sight and reach of children.

Disposal Instructions

Unused or expired Scopalgine must be handled as pharmaceutical waste. Regulatory documents state the medicine must not be disposed of in household trash or poured down sinks or toilets. Disposal should follow the guidance of a pharmacist or local waste authority for proper collection and handling of medicinal waste.

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

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