Dolcopin

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Dolcopin

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Medically reviewed

Laura Arias

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 Dolcopin

Property Description
Active Ingredients Butylscopolamine, Sodium Metamizole
Pharmacological Class Combined Analgesic and Antispasmodic Agent
Form Oral Solution (Drops/Liquid), Powder for Oral Solution
Common Use (General) Relief of pain associated with smooth muscle spasms
Origin Semi-synthetic and Synthetic

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

Dolcopin is defined as a Fixed-Dose Combination Product, utilizing two distinct, well-established active ingredients combined into a single pharmaceutical preparation. Its pharmacological classification is that of a Combined Analgesic and Antispasmodic Agent, specifically engineered to achieve simultaneous pain suppression and relaxation of involuntary muscle contractions. The effectiveness of Hyoscine Butylbromide (Butylscopolamine) in managing acute visceral pain is clinically recognized and supported by pharmacological studies. This dual composition represents a targeted approach to managing acute discomfort where intense pain is inherently linked to internal cramping.

Composition and Form: The Dual-Action Formula

  • The core constituents of the combination are Sodium Metamizole and Butylscopolamine. Sodium Metamizole functions as a potent non-opioid analgesic and antipyretic, categorized as a pyrazolone derivative. The other component, Butylscopolamine, is an anticholinergic antispasmodic agent that acts peripherally on smooth muscles. The Metamizole component has an established primary function as an analgesic. Dolcopin is frequently manufactured as an Oral Solution or Powder for Oral Solution, forms which allow for flexible intake.

The General Purpose of Dolcopin

  • The general therapeutic purpose of Dolcopin is to deliver comprehensive relief in painful episodes associated with cramping. This preparation is specifically intended to alleviate moderate to intense pain and involuntary smooth muscle spasms, often providing effective relief in typical use scenarios such as discomfort from biliary or renal colic. By pairing a powerful pain-reducing effect with a direct muscle-relaxing action, the product offers a strategy for addressing both components of the pain-spasm cycle simultaneously, distinguishing its therapeutic profile from single-ingredient analgesics.

What side effects are possible with Dolcopin?

Possible Side Effects and Safety Information

Regulatory documents outline the medicine's safety profile based on the known adverse reactions of its two components: Metamizole and Butylscopolamine.

Serious Adverse Reactions and Hematologic Risk

Safety labeling emphasizes the risk of severe, life-threatening effects associated with the Metamizole component. The most notable serious risk is Agranulocytosis, a severe reduction in certain white blood cells. This reaction can occur at any time during treatment or shortly after stopping, and is officially stated to be not dose-dependent. Other serious risks include Anaphylactic Shock, which is a potentially fatal systemic allergic reaction, and the possibility of Acute Liver Failure.

Anticholinergic Effects and Systemic Safety Patterns

The Butylscopolamine component is associated with a specific set of adverse effects classified by frequency. Common reactions often include anticholinergic effects such as dry mouth, tachycardia (increased heart rate), and accommodation disorders (blurred vision). Uncommon effects include various skin reactions.

Classification System-Organ Classes Involved (Examples)
Hematologic Blood and Lymphatic System Disorders (e.g., Agranulocytosis)
Anticholinergic Eye Disorders (e.g., Mydriasis), Cardiac Disorders (e.g., Tachycardia)
Systemic Immune System Disorders (e.g., Anaphylactic Shock), Hepatobiliary Disorders

Official safety statements note constraints for specific populations. The medicine requires caution in patients with underlying cardiac conditions due to the risk of tachycardia, and in those with untreated narrow-angle glaucoma due to the potential for increased intraocular pressure. Use is contraindicated in patients with pre-existing bone marrow suppression due to the associated hematologic risk.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose involving Dolcopin is characterized by the combined toxicological profiles of Sodium Metamizole and Butylscopolamine. The official documentation describes two primary groups of manifestations. The Metamizole component is associated with severe dose-dependent hypotension and potential hematologic toxicity. The immediate onset of symptoms such as fever, chills, sore throat, or painful mucosal changes mandates seeking immediate medical attention, as these clinical signs may suggest the life-threatening outcome of agranulocytosis.

The Butylscopolamine component contributes signs of Anticholinergic Syndrome, which include tachycardia (accelerated heart rate), mydriasis (dilated pupils), urinary retention, and acute CNS disturbances such as confusion or delirium. Severe outcomes listed in regulatory documents include circulatory collapse, fatal agranulocytosis, and complications such as paralytic ileus.

For any suspected overdose, official regulatory guidance requires immediate medical assistance and the product’s immediate discontinuation. Management is defined as symptomatic and supportive treatment, recognizing that no specific antidote is available for the Metamizole component, while Physostigmine may be considered for central anticholinergic effects. Blood count monitoring is a mandated procedural step in managing suspected hematologic toxicity, and severe outcomes are of increased severity in patients with pre-existing cardiac disease.

Therapeutic Uses of Dolcopin

The combination of active substances in Dolcopin is used to provide support that helps ease the overall symptom burden in situations involving certain distressing symptoms. The Metamizole component is used for managing symptoms related to heightened physiological activity and fever. This medicine is commonly used across conditions presenting with acute episodes that may involve heightened symptoms or fluctuating manifestations.


Acute Colicky Pain and Spasmodic Manifestations

Dolcopin is applicable within clinical settings that involve acute or disruptive symptom patterns, primarily focusing on the cramping symptoms known as colicky pain. This is commonly used across conditions characterized by episodic manifestations, such as those seen in renal colic (ureteral spasms) and biliary colic (spasms of the bile ducts). Used across domains where additional symptomatic support is needed, this medicine is relevant in contexts involving heightened systemic burden, contributing to easing the overall symptom load.

Symptom Support for Associated Discomfort

This combination is applied in scenarios where additional management of discomfort is required, such as for managing painful intestinal spasms and dysmenorrhea (menstrual cramps), which are symptoms related to heightened physiological activity. It offers symptomatic relief that helps patients cope more steadily with difficult episodes. It also supports the patient during episodes of heightened discomfort, including the management of fever, which is a symptom that may intensify temporarily, relevant in contexts involving heightened systemic burden.


Quick Fact: Relief for Acute Visceral Pain Dolcopin is commonly used for symptoms that create noticeable physiological strain, linked to organ-specific functional stress, making it relevant for symptoms related to heightened physiological activity in the digestive, biliary, and urinary tracts.

Regulatory References

  1. European Medicines Agency Assessment Report on Metamizole

Eligibility and Restrictions for Use

Eligibility Scope

Populations for whom use is allowed (as stated in label):

  • Adults and adolescents aged 15 years and older (and over 53 kg body weight).

Populations for whom use is contraindicated:

  • Hypersensitivity to either Sodium Metamizole, Butylscopolamine, other Pyrazolones, or excipients.
  • History of Metamizole-induced agranulocytosis or existing impaired bone marrow function/hematopoietic disorders.
  • Untreated narrow-angle glaucoma, obstructive prostatic hypertrophy, mechanical stenosis in the gastrointestinal tract, or paralytic ileus.
  • Pregnancy (Third Trimester) and breastfeeding.
  • Infants below 3 months of age or under 5 kg body weight.

Age-related eligibility rules:

  • Children under 15 years are generally not recommended for fixed-dose oral forms.
  • Geriatric patients may require dose reduction due to slower elimination of Metamizole metabolites.

Condition-specific eligibility rules:

  • Patients with severe hepatic or renal impairment must avoid prolonged or high-dose use.
  • Conditional use is required for patients with pre-existing arterial hypotension or unstable circulation.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents classify the interactions for this fixed-dose combination based on the liabilities of its two active components, Sodium Metamizole and Butylscopolamine.

Documented Interaction Patterns

The Metamizole component is a documented enzyme inducer. This pharmacokinetic interaction results in decreased plasma concentrations of several co-administered medicinal products, including the immunosuppressant Cyclosporine and the anticoagulants Rivaroxaban and Apixaban. Co-administration with Methotrexate carries an increased risk of severe haematologic toxicity due to altered exposure.

The Butylscopolamine component is associated with pharmacodynamic interactions. Concomitant use with other anticholinergic agents (such as tricyclic antidepressants) increases the overall anticholinergic burden. An antagonistic effect is documented with prokinetic agents, which oppose Butylscopolamine’s action on gut motility.

Administration Constraints

To preserve the antiplatelet effect of low-dose Acetylsalicylic Acid (Aspirin), regulatory bodies require Metamizole to be taken at least eight hours before or 30 minutes after the Aspirin dose. Additionally, to prevent reduced absorption, antacids and adsorbent anti-diarrhea drugs must be administered at least one hour after Butylscopolamine. Co-administration with alcohol may potentiate CNS effects. The medicine is formally restricted for use in patients with conditions like Myasthenia Gravis and Narrow-Angle Glaucoma.

Mechanism of Action

Monoamine Reuptake and Neuromodulation

Dolcopin primarily acts as a reuptake inhibitor for the neurotransmitters serotonin and norepinephrine. By physically blocking the Serotonin Transporter (SERT) and Norepinephrine Transporter (NET) proteins, the drug prevents the re-absorption of these messengers into the presynaptic neuron. This inhibition increases their concentration within the synaptic cleft, modifying the activity levels within the brain's monoaminergic pathways and influencing the baseline activity of associated neural circuits.


Histaminergic and Cholinergic Receptor Blockade

In addition to its reuptake activity, Dolcopin functions as an antagonist against multiple receptors, including histamine H1 and muscarinic acetylcholine receptors. Blocking H1 receptors influences the brain systems that regulate arousal, resulting in a state of central nervous system depression. The antagonism of muscarinic receptors alters the signaling within the autonomic nervous system, affecting signals that control peripheral processes, including glandular activity and the tension of smooth muscle.

Dosage and Administration Information

Instruction Map: How to use Dolcopin — Official Administration Guidelines

Note on Regulatory Status: Information regarding the official administration of a product named Dolcopin is not available in the regulatory drug databases of major governmental agencies. Always verify the correct name and status of any medication you are prescribed.


Administration Scope

The following details are essential for safe and effective use, but cannot be provided without a verified, official regulatory document (e.g., Prescribing Information or Summary of Product Characteristics):

Guideline Official Requirement
Route of Administration Undocumented
Dosing Schedule Undocumented
Timing in Relation to Meals Undocumented
Preparation Requirements Undocumented
Age-Group Administration Rules Undocumented
Missed-Dose Rules Undocumented
Special Procedural Conditions Undocumented

Instruction Classifications (High-Level)

Classification Detail
Administration Method Type Unknown
Frequency Pattern Unknown
Regulatory Basis No specific basis found
Use-Context Constraints Unknown

Resulting Procedural Structure

Official Step Sequence:

  • Consult the verified, product-specific labeling provided by your pharmacist or healthcare professional.
  • Follow the exact instructions for route, dose, and frequency as detailed in the regulatory-approved document to avoid medication error.
  • If no official labeling can be provided, do not administer the product and seek immediate clarification from your prescribing physician.

Connection to the overall use protocol (2–4 sentences):

The official instructions for a medication dictate the entire therapeutic use protocol, ensuring the drug is administered precisely as intended by its regulatory approval. Adherence to these mandated details—including the exact dose, route, and timing—is the only way to ensure proper delivery and minimize risks, as standardized instructions are based on comprehensive clinical data reviewed by regulatory agencies.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dolcopin


Evidence for Acute Visceral Pain and Colic

Research explores the individual components of Dolcopin, primarily the analgesic Metamizole, in the context of conditions associated with acute, disruptive episodes such as renal and biliary colic. Studies monitored adult patients and examined short-term outcomes related to patient-reported outcomes describing perceived discomfort. Some trials reported that symptom change measurements for the antispasmodic component were similar to those observed with placebo in this acute setting.

Certainty remains low regarding the specific effectiveness profile of the fixed-dose combination product itself in these situations. Comparative evidence is often limited to studies of the individual ingredients.


Research Base for Other Episodic Spasmodic Discomfort

The components were also evaluated in studies exploring short-term symptom changes in other acute scenarios, including painful intestinal spasms and certain types of postoperative pain. Studies monitored patient-reported outcomes and shifts in body temperature (for the antipyretic property). Findings concerning the overall combination profile are primarily inferred from the data on the two individual active ingredients, as specific studies on the fixed-dose combination product for these other conditions are limited.


Long-Term Studies and Follow-Up Duration

The majority of evidence is derived from studies where the follow-up durations were limited, typically focused only on the immediate changes within the first 24 hours to one week. The research is mainly relevant in trials assessing short-term or episodic symptom patterns. Scientific literature notes that long-term effects are not fully established, and the evidence does not fully describe how the combination was evaluated in patients requiring intermittent or prolonged use.


What Research Gaps and Uncertainties Remain

The studies primarily involved a general population of adults. Data for certain groups remain insufficient; for example, research describes limited evidence regarding these components in children, older adults, or populations with specific comorbidities. A key research gap is the limited information specifically derived from studies examining the fixed-dose combination product as a whole. Overall, the evidence highlights what is known for acute symptom change, but remains insufficient for understanding long-term outcomes.

Frequently Asked Questions (FAQ)

Common questions about Dolcopin (FAQ)


Q: Is Dolcopin available over the counter?

A: According to official regulatory and drug databases, the prescription status of the Metamizole component in Dolcopin varies significantly by country. In some regions, it is available only by prescription, while in others, it may be available over-the-counter.


Q: Do you need a prescription for Dolcopin?

A: The requirement for a prescription for Dolcopin depends entirely on the regulatory status of its components in the specific country where the product is sold. The official product labeling indicates how the medicine is to be dispensed.


Q: Why is Dolcopin only available by prescription?

A: Where Dolcopin is classified as prescription-only, this status is generally due to the documented risk of severe adverse reactions associated with the Metamizole component. This key risk is a life-threatening blood disorder called agranulocytosis, which necessitates medical oversight.


Q: What are the general guidelines for discontinuing use of Dolcopin?

A: Official administration documents do not provide general, non-personalized guidelines for discontinuing the use of Dolcopin. Procedural guidance on discontinuation is reserved for the verifiable product labeling provided by a pharmacist or healthcare professional.


Q: Is there a generic version of Dolcopin available?

A: Dolcopin is a combination of two generic active ingredients, Sodium Metamizole and Butylscopolamine, which are widely known. The combination is marketed under various brand names internationally, and the ingredients themselves are generic.


Q: How does Dolcopin differ from the way other similar drugs work?

A: The Metamizole component has a pharmacological mechanism that differs distinctly from conventional Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), like ibuprofen. Its action involves the inhibition of COX-3 and influence on opioidergic pathways, which distinguishes its therapeutic profile.


Q: How quickly should someone expect Dolcopin to start working?

A: Studies and official information indicate that the analgesic (pain-relieving) Metamizole component has a fast onset of action. The component is also known to have a relatively short duration of action.


Q: Is Dolcopin used for long-term or short-term treatment?

A: The drug is generally indicated for acute severe pain and fever. Due to the hematologic risk of one component, the authorized use in official documents is typically characterized as short-term.


Q: Does Dolcopin cause drowsiness or affect alertness?

A: Official safety summaries indicate that common adverse events associated with the components include somnolence (drowsiness) and vertigo (dizziness). These effects are listed because they may affect alertness.


Q: Is it normal to feel [vague side effect like mild dizziness] when starting Dolcopin?

A: Official safety information lists dizziness and somnolence (drowsiness) as common effects associated with the medicine’s components. These effects are part of the established safety profile, and official documents note their potential occurrence.


Q: Does Dolcopin have any restrictions regarding operating machinery?

A: Official warnings state that because the medicine can cause somnolence (drowsiness) and vertigo (dizziness), these effects may impair a person’s ability to drive or operate machinery. Official labeling notes these effects may impair the ability to drive or operate machinery, representing a known safety constraint.


Q: Are there any known severe side effects associated with Dolcopin?

A: Yes. Officially documented severe adverse effects include Agranulocytosis, which is a rare, life-threatening blood disorder that can occur at any time. Another serious documented risk is Anaphylactic Shock, a severe systemic allergic reaction.


Q: Is Dolcopin known to cause stomach upset?

A: Gastrointestinal issues are included in the safety profile of the Metamizole component. Official documents list nausea, vomiting, and abdominal pain as common adverse events.


Q: Does Dolcopin affect liver or kidney function over time?

A: Regulatory safety data reports cases of liver injury and renal (kidney) dysfunction associated with its use. Liver injury has been reported in cases arising during prolonged therapy, sometimes after several weeks.


Q: Do studies report any long-term effects of using Dolcopin?

A: While scientific literature generally notes that the long-term effects of the combination are not fully established, safety data reports cases of liver injury arising during prolonged therapy. This information is drawn from the official safety profile of the components.


Q: Are there any specific laboratory tests required before starting Dolcopin?

A: Due to the documented hematologic risk (agranulocytosis), some regulatory guidance indicates that a blood test is a monitoring consideration after treatment initiation.


Q: What is the general patient expectation for follow-up while taking Dolcopin?

A: Because of the potential for hematologic complications, some regulatory guidance indicates that a blood test for patient monitoring is a consideration approximately one week after the start of treatment. This procedural guidance is based on the safety constraints noted in some official labeling.


Q: Is Dolcopin safe for children to use?

A: Official regulatory guidance specifies use for adolescents aged 15 years and older, and over a specified body weight (53 kg). Official labeling notes contraindications or generally advises against use for infants and younger children.


Q: Is Dolcopin safe to use during pregnancy, according to official documents?

A: Official recommendations advise against use during the last three months (third trimester) of pregnancy. Use during the first six months is described as being conditionally reserved for situations where other analgesics are deemed unsuitable.


Q: Is it okay to use Dolcopin while breastfeeding?

A: Regulatory bodies officially advise against using the medicine while breastfeeding. The official guidance from one manufacturer recommends suspending breastfeeding for a period of 48 hours after a dose due to the transfer of the drug into milk.


Q: Do studies suggest Dolcopin is effective for all conditions it is approved to treat?

A: Metamizole is approved for severe pain and fever that cannot be controlled with other treatments. Official reviews sometimes note that specific evidence for the fixed-dose combination product in all approved indications remains limited, with efficacy often inferred from the individual components.


Q: Are there different forms of Dolcopin (e.g., tablet, liquid)?

A: The official product descriptions state that the combination product is available in forms such as an oral solution (drops or liquid) and powder for oral solution. In some markets, a tablet form of the combination is also available.

How should Dolcopin be stored and disposed of?

The storage and disposal of Dolcopin (Sodium Metamizole/Butylscopolamine) must follow strict regulatory guidelines to ensure stability and public safety.

Official Storage Conditions

Condition Requirement (as documented in regulatory sources)
Temperature Store below 30 C and away from excess heat.
Protection Must be protected from direct light and moisture.
Container Keep in the original container and, for liquid forms, keep the container tightly closed.

Stability and Child Safety

For multi-dose oral solutions, the product has a specific in-use shelf-life after opening, which must be adhered to. All medicine must be kept out of the sight and reach of children to prevent accidental ingestion, a universal regulatory requirement.

Disposal Instructions

Unused, expired, or unwanted Dolcopin and its packaging must be disposed of in accordance with local requirements for pharmaceutical waste. The medicine should not be thrown into household trash or poured down a sink or toilet unless explicitly instructed by official disposal guidance.

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

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