Spasmonil Plus

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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 Spasmonil Plus

Property Description
Active Ingredients Dicyclomine (or Dicycloverine), Mefenamic Acid
Form Tablet, Capsule, or Injection
Pharmacological Class Antispasmodic / Analgesic combination (Anticholinergic + NSAID)
Common Use Relief from acute painful spasms and cramping
Origin Synthetic combination product

What Type of Medicine is Spasmonil Plus?

Spasmonil Plus is a synthetic combination medicine fundamentally classified as an Antispasmodic and an Analgesic agent, typically provided for oral intake. Its identity hinges on the co-formulation of two distinct active ingredients: Dicyclomine (or Dicycloverine Hydrochloride) and Mefenamic Acid. Dicyclomine is categorized as an anticholinergic agent, focused on mitigating muscle contractions. Mefenamic Acid functions as an Analgesic within the Non-Steroidal Anti-Inflammatory Drug (NSAID) class, specifically the fenamate subgroup. This specific pairing is recognized for its dual-action pain management, combining neural relaxation with inflammation reduction, offering a unique profile compared to single-agent analgesics.

What is the General Purpose of Spasmonil Plus?

The core purpose of Spasmonil Plus is to provide comprehensive and effective symptomatic relief for acute pain rooted in involuntary smooth muscle spasm. The medicine’s structure is optimized for managing intense, sharp discomfort—a typical use scenario—that occurs during conditions like primary dysmenorrhea (menstrual cramping) or general abdominal pain associated with intestinal spasms. The combination leverages the antispasmodic action to achieve smooth muscle relaxation with the Analgesic component’s ability to reduce pain signals by blocking prostaglandin production. Mefenamic Acid is utilized for the treatment of dysmenorrhea, supporting the combination’s general application in managing visceral discomfort and associated cramping. This dual-action strategy allows the drug to target two fundamental pain mechanisms simultaneously.

Regulatory References

  1. NIH's MedlinePlus

What side effects are possible with Spasmonil Plus?

The official safety profile for this medicine, which combines an Anticholinergic agent (Dicyclomine) and an NSAID (Mefenamic Acid), is structured around adverse reactions documented by government regulatory bodies.

Frequency-Classified Adverse Reactions

Adverse effects are categorized by their official frequency in regulatory labeling:

  • Very Common: Dizziness and blurred vision are documented as very common effects in some Dicyclomine clinical trial data.
  • Common: Commonly observed adverse reactions include dry mouth, nausea, somnolence (drowsiness), asthenia (weakness), nervousness, and general gastrointestinal disturbances like diarrhoea and abdominal pain.

System-Organ Classes and Serious Risks

The adverse reactions affect several body systems. Gastrointestinal disorders, nervous system disorders, and ocular disorders are among the most frequently listed System-Organ Classes.

The regulatory labeling includes specific warnings regarding Serious Adverse Reactions, which, while often rare, are clinically significant:

  • Cardiovascular Thrombotic Events: A documented risk associated with the NSAID component includes serious, potentially fatal, cardiovascular thrombotic events (e.g., myocardial infarction, stroke).
  • Gastrointestinal Bleeding: A risk of serious, potentially fatal, gastrointestinal bleeding, ulceration, and perforation exists, which can occur at any time during use.

Safety Constraints and Special Populations

Official documents define constraints and restrictions for use in specific populations and clinical scenarios:

  • Infants and Pregnancy: The medicine is contraindicated in infants under six months of age and during the third trimester of pregnancy due to documented risks to the developing fetus and nursing infant.
  • Surgical Use: Use is contraindicated for the treatment of pain following Coronary Artery Bypass Graft (CABG) surgery.
  • Duration: The risk of serious cardiovascular events may increase with the duration of use of the NSAID component, as stated in regulatory labels.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Spasmonil Plus overdose is based on the combined toxicities of Dicyclomine and Mefenamic Acid, requiring urgent attention.

Documented Overdose Manifestations Severe or Life-Threatening Outcomes
Overdose may present with Central Nervous System (CNS) effects including drowsiness, confusion, agitation, and stupor. Gastrointestinal symptoms such as nausea, vomiting, and epigastric pain are also documented. Signs of anticholinergic toxicity may include mydriasis (dilated pupils), blurred vision, tachycardia, and dryness of mouth. The regulatory profile notes potential for convulsions (seizures), coma, acute renal failure (AKI), severe metabolic acidosis, and circulatory failure.

Emergency Response and Management

Immediate medical attention must be sought for any suspected overdose due to the risk of life-threatening complications. Emergency services should be contacted for severe manifestations.

Mandated management is limited to symptomatic and supportive treatment, which may include airway maintenance, fluid/electrolyte correction, and control of convulsions. Procedures like activated charcoal or gastric lavage may be considered for recent, massive ingestions.

Hospital monitoring is required for clinical observation, including continuous ECG monitoring and assessment of renal function. Regulatory documents state that no specific antidote is known for this combination. Note that pediatric patients face an increased risk of CNS toxicity, and the elderly face a higher risk of acute renal impairment.

Therapeutic Uses of Spasmonil Plus

What Spasmonil Plus Treats: Main Uses and Benefits

The primary focus of Spasmonil Plus is to provide supportive relief for symptomatic discomfort across several acute clinical scenarios. The therapeutic profile aligns with the properties of its components.


Easing Sudden Muscular and Visceral Discomfort

This medication is generally used to help manage symptoms related to physical discomfort and systemic imbalance, typically in situations involving certain distressing symptoms. This is relevant for managing symptoms related to physical discomfort that may appear in conditions such as primary dysmenorrhea.

It is applied in clinical settings that involve acute or unstable symptom patterns, where short-term symptomatic assistance is needed. It helps address symptom clusters that may become noticeable or interfere with daily comfort, offering symptomatic relief that may help patients cope more steadily with difficult episodes.

“Spasmonil Plus may support patients during episodes of heightened discomfort by easing the overall symptom load.”

Supportive Management for Episodic Symptom Patterns

Spasmonil Plus is considered relevant in conditions involving episodic or fluctuating manifestations, particularly where symptoms may intensify temporarily. It may assist with maintaining day-to-day comfort during periods of heightened symptoms.

Quick Fact: Supports management of Pain and Spasm

Eligibility and Restrictions for Use

Who Can and Cannot Use Spasmonil Plus?

Population eligibility for Spasmonil Plus (Dicyclomine/Mefenamic Acid) is strictly defined by regulatory documents, which establish groups that are allowed to use the medicine, require restricted use, or are strictly contraindicated.

Contraindicated Populations (Must Not Use)

Use is contraindicated for patients with a known hypersensitivity to the active ingredients or other NSAIDs (Non-Steroidal Anti-Inflammatory Drugs), including aspirin. Absolute prohibitions are also placed on infants less than six months of age, individuals in the third trimester of pregnancy, and nursing mothers.

The medicine must not be used by patients with active GI ulceration, Inflammatory Bowel Disease, severe heart failure, or significantly impaired renal function. Contraindications also include conditions like Glaucoma, Myasthenia Gravis, and obstructive diseases of the gastrointestinal or urinary tracts.

Age-Related and Conditional Restrictions

Population Group Regulatory Status
Children (< 14 years) Not recommended (Safety not established)
Elderly (ge 65 years) Conditional Use (Use with caution)
Impaired Liver Function Conditional Use (Requires caution and monitoring)
1st/2nd Trimester Pregnancy Restricted Use (Only if clearly needed)

Eligibility is generally established for adults and adolescents ge 14 years of age for approved indications.

What should I know about interactions with other medicines?

Co-administration of Spasmonil Plus with certain medicinal products carries documented interaction risks derived from its NSAID and anticholinergic components. Combinations are formally restricted or prohibited in specific scenarios. The medicine is contraindicated for use during peri-operative pain in the setting of CABG surgery and is also restricted for patients using Antiglaucoma Agents due to potential antagonism of their effects.

Clinically significant interactions occur with agents affecting blood clotting. The NSAID component enhances the risk of serious bleeding when co-administered with Oral Anticoagulants, such as Warfarin, and interferes with the anti-platelet effect of low-dose Aspirin. Additionally, the NSAID component reduces the efficacy of Antihypertensives (e.g., ACE Inhibitors, Diuretics) and simultaneously increases the risk of renal deterioration, particularly in elderly patients or those with compromised renal function.

The medicine affects the concentration of certain substances. It reduces the renal clearance of agents like Lithium and Methotrexate, which may result in elevated plasma levels. The anticholinergic component contributes to additive effects when taken with other anticholinergic agents and may alter the absorption of medicines like slowly dissolving Digoxin. Furthermore, simultaneous use with Antacids is advised to be avoided, and Alcohol ingestion is noted to increase the risk of gastrointestinal bleeding.

Mechanism of Action

Cholinergic Pathway Modulation and Visceral Relaxation

The active ingredient Dicyclomine acts as a non-selective competitive antagonist at muscarinic acetylcholine receptors on smooth muscle cells. This action interrupts the signaling sequence initiated by acetylcholine, thereby reducing the intracellular calcium release necessary for myocyte activation. This antagonism modulates cholinergic input that influences smooth muscle activity, resulting in a decrease in smooth muscle contractility and reduced smooth muscle tone.


Prostaglandin Biosynthesis Inhibition for Nociception

The component Mefenamic Acid acts through a distinct domain, functioning as a non-selective competitive inhibitor of Cyclooxygenase (COX-1 and COX-2) enzymes . By blocking the COX enzymes, it suppresses the biosynthesis of Prostaglandins which function as nociceptive pathway sensitizers. This suppression diminishes the level of chemical mediators that influence afferent nerve fiber activation.


Dual Mechanistic Co-Action

The drug's overall mechanism is defined by a dual mechanistic co-action, wherein Dicyclomine modulates smooth muscle contractility via receptor antagonism, while Mefenamic Acid influences nociceptive mediator levels via enzyme inhibition. This co-action engages mechanisms that influence both smooth muscle contractility and nociceptive mediator levels, resulting in coordinated physiological modulation.

Dosage and Administration Information

How to Use Spasmonil Plus

Spasmonil Plus is a combination medicine whose usage is defined by the protocols for its components, Dicyclomine and Mefenamic Acid. The administration protocol outlines the correct route, dosing schedule, and limitations on treatment duration.


Official Administration Guidelines

Instruction Detail
Route of Administration Primarily Oral (tablet or capsule). The Dicyclomine component has an Intramuscular (IM) route, which is used only temporarily when oral intake is not feasible.
Standard Dosing The typical regimen starts with a 500 mg dose of the Mefenamic Acid component, followed by a 250 mg maintenance dose.
Frequency and Timing The medicine is taken as needed for symptoms, up to a maximum of four times daily (every 6 hours). The dose must be taken with or after food.
Course Duration Use is strictly limited to 2 to 3 days for menstrual pain and must not exceed 7 days for general acute pain. IM use is limited to 1 or 2 days.
Population Rules The established dosing is for patients 14 years and older. Dose modification may be necessary for patients with known hepatic (liver) impairment.

Procedural Instructions

  1. Administer the initial 500 mg dose (Mefenamic Acid component) with or after food at the onset of symptoms.
  2. Continue with the 250 mg maintenance dose every 6 hours, ensuring the tablet is swallowed whole and not crushed.
  3. If a dose is missed, it should be skipped if the next scheduled dose is due soon; a patient must not take a double dose.
  4. Discontinue use once the short, defined duration limit (2-3 days or 7 days) has been reached, as this is intended for acute, intermittent use only.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Spasmonil Plus


Evidence for Use in Primary Dysmenorrhea (Menstrual Cramping)

Research exploring short-term symptom changes in primary dysmenorrhea has focused on how symptoms monitored how symptoms changed in observed populations. These clinical studies included comparative trials, often involving young adult females experiencing pain that may vary in intensity. In these settings, randomized controlled trials (RCTs) were used in research exploring how symptoms change over time, in which the combination medicine was evaluated against other treatments. Researchers monitored outcomes related to physical discomfort, specifically tracking changes in pain severity using standardized scales and recording patient-reported outcomes describing perceived discomfort.

Studies focused on episodes where symptoms become more noticeable, tracking outcomes describing episodic or acute changes over short time intervals. Findings describe patterns observed in the studies, where researchers measured changes in symptoms related to acute, spasmodic pain. The research describes short-term changes, but these findings reflect the specific conditions under which they were conducted. Authoritative data for certain groups are scarce. Specifically, the evidence is limited regarding the use of the fixed-dose combination (FDC) in wide international systematic reviews.


Evidence for Use in Acute Spasmodic Pain (Colic Conditions)

Studies evaluated the medicine in contexts involving acute, disruptive episodes where pain intensity is heightened, such as intestinal, biliary, and ureteric colic. Research examined outcomes related to systemic or functional imbalance linked to smooth muscle spasms. These findings help describe how patients reported their experience when symptoms may intensify temporarily, and the reported outcomes were short-term and based on small populations. The evidence for the FDC in treating all types of acute colic is limited, with research often focusing on the injectable form used in acute intervention research settings.


Long-Term Studies and Follow-Up

Follow-up durations were limited, typically focusing on the resolution of a single, acute episode or a few consecutive menstrual cycles. Long-term effects are not fully established. The extent of specific data on symptom patterns after the acute phase for this combination remains limited.


Evidence in Specialized Populations

The majority of research results apply only to the populations studied. Few data are available for research examining symptoms in children or older adults. Similarly, studies have not extensively evaluated patients with concurrent health conditions (comorbidities), making the subgroup findings uncertain outside of the core study populations.


What is Still Uncertain About Spasmonil Plus Research

Comparative evidence is lacking for certain scenarios, and findings were mixed across various regional studies. Key limitations include the fact that sample sizes were modest in some clinical trials and that the follow-up durations were limited to the acute or episodic nature of the treated conditions.

Frequently Asked Questions (FAQ)

Common questions about Spasmonil Plus (FAQ)

Q: What is Spasmonil Plus used for?

A: Spasmonil Plus is indicated for the relief of pain associated with smooth muscle spasm. The specific conditions for which it is prescribed should be discussed with a healthcare provider.

Q: How should I take Spasmonil Plus?

A: Dosing and administration instructions for Spasmonil Plus are determined by a prescribing healthcare professional based on individual needs and the formulation used. Patients should strictly follow the directions provided by their doctor and as detailed in the official product information.

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

A: If a dose is missed, a patient should contact their healthcare provider or pharmacist for guidance. Never take a double dose to make up for a missed one. Specific guidance may depend on the dosing schedule.

Q: Can Spasmonil Plus be taken with alcohol?

A: The combination of Spasmonil Plus with alcohol may increase the risk of certain side effects and could potentially enhance the effects of both substances. It is generally advised to avoid or limit alcohol consumption while using this medication. Consult a healthcare professional for specific advice.

How should Spasmonil Plus be stored and disposed of?

Official Storage Requirements

Spasmonil Plus must be stored according to specific regulatory guidelines to maintain its stability. The product is required to be stored at Controlled Room Temperature, which is generally defined as below 25 C (77 F). It is mandatory to protect the medicine from light and moisture and to ensure it is not frozen or refrigerated.

Storage Condition Requirement
Temperature Store below 25 C (Do not freeze)
Packaging Keep in original container, tightly closed
Safety Keep out of the sight and reach of children

Disposal Instructions

Unused or expired Spasmonil Plus must be disposed of according to local regulations. Users should utilize drug take-back programs or authorized collection points where available. It is strictly prohibited to dispose of the medicine by flushing it down the toilet or pouring it into wastewater, as this helps prevent environmental contamination.

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

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