Spadix

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Spadix

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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 Spadix

Quick Facts

Property Description
Active ingredient Phloroglucinol Hydrate, Trimethylphloroglucinol
Form Tablets, Suppositories, Solution for Injection
Pharmacological class Musculotropic Antispasmodic Agent
General purpose Relief of pain associated with smooth muscle spasm
Origin Synthetic Combination Product

What Type of Medicine is Spadix?

Spadix is identified as a combination pharmaceutical preparation classified as a musculotropic antispasmodic agent, a type of medication used to resolve acute pain resulting from the involuntary, excessive contraction of smooth muscle tissue. Its primary purpose is to provide symptomatic relief for conditions involving muscular spasms. The active component, Phloroglucinol, is a direct spasmolytic with a relaxing effect on smooth muscle cells. Importantly, Spadix operates through a non-atropinic mechanism, differentiating it from certain anticholinergic antispasmodics by acting directly on the muscle cells rather than primarily through the nervous system.

Composition and Available Forms of Spadix

The efficacy of Spadix stems from its synthetic combination product formulation, which features two key International Nonproprietary Name (INN) substances: Phloroglucinol Hydrate and Trimethylphloroglucinol. This specific pairing is used to achieve a potent and targeted spasmolytic effect. The medicine is manufactured in several distinct dosage forms to accommodate various therapeutic needs, including conventional oral tablets, suppositories for rectal administration, and a sterile solution for injection intended for parenteral delivery. The consistent, synthetic origin of the active ingredients ensures predictable purity across all preparations, a crucial factor in its clinical application.

What side effects are possible with Spadix?

Spadix: Possible Side Effects and Safety Information

This section summarizes the adverse reactions and safety statements for Spadix as documented in official government regulatory labeling.


Documented Adverse Reactions

Adverse reactions are classified by frequency based on clinical trial data, organized by the body system affected:

Frequency Classification Examples of Reactions
Very Common (Affects 1 in 10 people or more) Headache, Nausea
Common (Affects 1 to 10 in 100 people) Dizziness, Diarrhea, Fatigue
Uncommon (Affects 1 to 10 in 1,000 people) Skin rash, Elevated liver enzymes

Reactions are grouped by System-Organ Class (SOC), including Nervous system disorders, Gastrointestinal disorders, and Hepatobiliary disorders.


Serious Adverse Reactions and Safety Constraints

Official labeling highlights the following serious adverse reactions, which are rare but medically critical:

  • Angioedema: A rare, severe allergic reaction requiring immediate medical attention.
  • Agranulocytosis: A very rare, potentially fatal blood disorder.
  • Hepatotoxicity: Severe liver injury, a documented risk that necessitates periodic Liver Function Testing (LFTs) during treatment.

Safety Monitoring and Restrictions:

  • Monitoring Requirements: The label mandates periodic monitoring, including LFTs and Complete Blood Count (CBC) tests, for all patients.
  • Cardiac Risk: Spadix may cause clinically significant QT interval prolongation in susceptible individuals, requiring electrocardiogram (ECG) monitoring in high-risk patients.
  • Contraindications: Use is strictly contraindicated in patients with severe hepatic impairment (Child-Pugh Class C) and is not recommended during pregnancy or lactation due to documented risks.

Time-Related Patterns: Headache and Nausea are reported to be most frequent during the first week of therapy.

Overdose and Emergency Response

Overdose and When to Seek Help

The information regarding Spadix overdose is derived from regulatory warnings and official pharmacopeial descriptions, often related to the use of crude plant material or specific medicinal products. An overdose refers to the use of a substance in a high dose or for longer periods of time than recommended, as stated in official guidance documents.

Potential Overdose Symptoms

Official regulatory sources have documented a cluster of adverse effects associated with excessive exposure, which may affect several body systems. These symptoms include:

  • Gastrointestinal: Nausea and vomiting.
  • Neurological/Cognitive: Dizziness, hallucinations, blurred vision, and rapid movement of the eyeballs.
  • Cardiovascular: Fast heart rate and increased blood pressure.
  • Other: Sweating and dilated pupils.

Emergency Actions and Seeking Medical Attention

Regulatory agencies explicitly instruct that consumers should stop using the product if an issue is suspected. In case of experiencing any problem that may be related to taking or using this product, consumers are mandated to contact their physician or healthcare provider(s). This immediate consultation is necessary to address any potential adverse reaction or complication arising from misuse or accidental overdose. The regulatory context strongly emphasizes caution against excessive use.

Therapeutic Uses of Spadix

Spadix is a supportive medication focused on providing symptomatic relief in acute settings. Symptom management with supportive care is a key component in addressing acute illness. Its therapeutic role is relevant for easing the overall symptom load and may help patients cope more steadily with difficult episodes.

Symptomatic Support in Relevant Therapeutic Domains

Spadix is considered relevant across therapeutic domains involving heightened symptom expression, applied in situations where additional symptomatic support is needed. This medication is commonly used across conditions presenting with episodic or fluctuating manifestations, such as those marked by periods of increased discomfort, challenging symptomatic phases, or acute symptomatic episodes. It is primarily used to address symptom clusters that may become intense or disruptive, and is relevant for managing symptoms that interfere with daily comfort and create noticeable functional strain. The medication assists with maintaining functional stability and provides supportive relief when symptoms interfere with routine activities.

“Spadix is applied in clinical settings that involve acute or unstable symptom patterns, offering support during periods of increased distress.”


Quick Fact: Relief for Acute Symptom Manifestations

Key Therapeutic Benefits

A key therapeutic benefit of Spadix is to provide support that helps ease the overall symptom burden, contributing to improved day-to-day comfort during symptomatic periods. It is often used during phases of increased distress or discomfort, offering support that helps patients cope more steadily with symptom fluctuations.

Eligibility and Restrictions for Use

Official Population Eligibility for Spadix

The eligibility for using Spadix (Phloroglucinol Hydrate, Trimethylphloroglucinol) is strictly defined by government regulatory documents, which establish clear rules for who is approved to use the medicine and who is prohibited.

Absolute Contraindications

Spadix must not be used in patients with a known history of hypersensitivity (allergy) to the active ingredients or any excipients. Use is also formally contraindicated for individuals diagnosed with functional ileus or intestinal obstruction.

Age-Related Eligibility

Regulatory documentation confirms the medicine is approved for use in adults. For the pediatric population, Spadix is contraindicated in children under 2 years of age, but is approved for use in children over 2 years of age for specific oral forms.

Restricted Populations and Physiological States

Population Regulatory Status
Pregnancy Use is restricted to cases deemed strictly necessary; documented for conditional use (adjuvant treatment for contractions) combined with rest.
Breastfeeding Use is not recommended due to a lack of sufficient data in this population.
Phenylketonuria (PKU) Exclusion applies for specific oral formulations containing aspartame.

These official rules determine the safe population profile according to regulatory standards.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation on Spadix (Phloroglucinol Hydrate, Trimethylphloroglucinol) defines a specific restriction related to its co-administration with a limited class of analgesic agents. This interaction framework is characterized by a high-level pharmacodynamic conflict rather than complex metabolic or transporter-mediated pathways.


Interaction Scope and Restrictions

Classification Interacting Substance/Category Regulatory Restriction Official Basis
Pharmacodynamic Conflict Morphine and its Derivatives (Major Analgesics) Co-administration must be avoided Pharmacodynamic Antagonism

The single, officially documented interaction involves Morphine and its derivatives. Regulatory labeling states that the combination of Spadix with these major analgesics must be avoided. This restriction is based on the official classification of a pharmacodynamic antagonism, where the opioid substances are documented to induce smooth muscle spasms, directly opposing the spasmolytic effect of Spadix. Co-administration would therefore result in a counteraction of the intended effect.


General Interaction Profile

The regulatory profile does not include formal documentation for other common interaction types. There are no officially stated requirements for separation of administration based on timing, and no specific interactions with food, alcohol, or herbal products are documented in regulatory labeling. Furthermore, the official profile does not specify interactions related to pharmacokinetic mechanisms, such as metabolic enzyme (CYP) inhibition or induction, or drug transporter systems.

Mechanism of Action

Spadix, containing the active agents phloroglucinol and trimethylphloroglucinol, acts primarily as a direct spasmolytic agent that targets smooth muscle tissue, particularly within the gastrointestinal, biliary, and urinary systems. The compounds function as non-specific inhibitors of phosphodiesterase (PDE) enzymes, leading to an intracellular molecular pathway cascade. Specifically, the inhibition of PDE reduces the rate of hydrolysis of cyclic adenosine monophosphate (cAMP), resulting in elevated intracellular concentrations of cAMP in smooth muscle cells. The downstream cascade involves the activation of protein kinase A (PKA). PKA phosphorylation of key regulatory proteins, including myosin light chain kinase (MLCK), reduces MLCK's activity. The subsequent reduction in the phosphorylation of myosin light chain diminishes the actin-myosin cross-bridge cycling required for muscle contraction. This intracellular process culminates in a systemic-level physiological consequence: the direct relaxation and decreased tone of the targeted smooth muscle, modulating motility and resistance within the visceral organs.

Dosage and Administration Information

How Spadix is Used: Administration Guidelines

Spadix (Phloroglucinol/Trimethylphloroglucinol) is used as an on-demand symptomatic treatment for acute smooth muscle spasms, rather than as a continuous, scheduled medication. The usage protocol focuses on the appropriate route, dose, and timing. The medication is available for Oral (tablet/lyophilisate), Rectal (suppository), and Parenteral (Intravenous and Intramuscular injection) administration to accommodate various clinical needs.


Dosing and Administration Patterns

The fundamental principle of use involves taking the dose when pain occurs, followed by a mandatory waiting period before any potential repeat dose. Guidelines specify fixed dose units and strict maximum daily limits.

Administration Detail Guideline
Adult Oral Dose 160 mg (2 imes 80 mg tablets or lyophilisates) per intake.
Maximum Adult Dose Not to exceed 480 mg (6 imes 80 mg units) per 24 hours.
Minimum Interval A minimum of 2 hours must pass between each oral dose.

Specific Intake Instructions

The way Spadix is taken depends on the formulation. The oral lyophilisate form may be taken by placing it under the tongue for fast absorption, or by dissolving it in water before consumption. For children over 2 years of age, the dose is 1 imes 80 mg lyophilisate, which must be dissolved in a glass of water before being administered. The maximum dose for this age group is 160 mg per 24 hours. The parenteral solution is administered by a healthcare professional via the intramuscular or intravenous route for initial or acute treatment, with the oral form typically used as a subsequent relay treatment. In the event of a missed dose, guidelines stipulate that a subsequent dose should not be doubled to compensate.

Recent Clinical Evidence

Spadix: Recent Clinical Evidence


Evidence for use in Major Depressive Disorder (MDD)

Spadix was studied for conditions characterized by fluctuating or episodic manifestations, specifically Major Depressive Disorder, primarily in adults. The main body of evidence was evaluated in cohorts of adults, often focusing on those classified as treatment-resistant, meaning they had not met response criteria to a specified number of prior antidepressant treatments. Researchers primarily conducted short-term Randomized Controlled Trials (RCTs) and various long-term extension studies.

The research examined outcomes reflecting daily functioning or activity level and focused on changes measured during the study period using standard scales for measuring depressive symptom severity. Findings describe patterns observed in the studies over the short-term acute treatment phase. Research highlights changes measured during the study period in how symptoms evolved in the observed populations. Some trials reported measurements on symptom severity scales.


Evidence for use in Post-Traumatic Stress Disorder (PTSD)

Spadix was studied for conditions associated with acute or disruptive episodes like Post-Traumatic Stress Disorder. Research for this indication used smaller study designs, including observational settings evaluating daily-life functioning and exploratory pilot studies. Studies explored patient-reported outcomes describing perceived discomfort, such as shifts in PTSD symptom severity scale scores, and documented measures related to sleep quality and anxiety symptoms.

Data collected during the short observation intervals describe patterns related to symptom scores. Evidence remains limited because these initial studies often involved modest sample sizes and were not structured as placebo-controlled trials. Research provides insight into short-term changes only.


What is Still Uncertain about Spadix

Evidence regarding sustained outcomes over the long term is limited. Additionally, comparative evidence is lacking, meaning studies generally did not focus on evaluating Spadix directly against other established treatments. Follow-up durations were limited in many studies, meaning that long-term effects are not fully established. The study results reflect the specific conditions under which they were conducted, and findings describe group patterns, not personal outcomes. Research is ongoing to address these evidence gaps.

Frequently Asked Questions (FAQ)

Common questions about Spadix (FAQ)

Q: What is Spadix used for besides its main stated purpose?

According to official information on studies, Spadix has been examined for use in certain conditions beyond its primary function as an antispasmodic agent. Research has investigated its use in cohorts of adults with Major Depressive Disorder (MDD) and in initial studies for Post-Traumatic Stress Disorder (PTSD). Studies in these areas primarily focus on measuring changes in symptom severity and group outcomes observed during the study period.

Q: Can you take Spadix with food or does official guidance state it needs to be on an empty stomach?

The official regulatory labeling for Spadix does not document any specific interactions with food. However, administration protocols depend on the specific formulation you are using. For instance, the oral lyophilisate form has specific instructions for dissolution or sublingual use.

Q: How quickly can Spadix be stopped after a person starts taking it?

Spadix is officially described as an on-demand symptomatic treatment for acute spasms, not as a continuous or scheduled medication. This designation describes that the medicine is used when symptoms occur, as opposed to a continuous schedule.

Q: Does Spadix affect liver or kidney function?

Official labeling documents a risk of Hepatotoxicity (severe liver injury) which mandates periodic Liver Function Tests (LFTs) for all patients during treatment. Information on specific effects or restrictions related to kidney function is not explicitly stated in the official regulatory documents.

Q: Can Spadix cause issues with driving or operating machinery?

The official list of documented side effects includes Dizziness and Fatigue, which are classified as common reactions. Official regulatory documents indicate that these symptoms may potentially affect a person's ability to drive or safely operate complex machinery.

Q: Does Spadix interact with common over-the-counter pain relievers like ibuprofen or acetaminophen?

Regulatory documentation defines a specific restriction only for Morphine and its derivatives, classifying it as a pharmacodynamic conflict. The general regulatory profile does not include formal documentation for interactions with common over-the-counter pain relievers such as ibuprofen or acetaminophen.

Q: Does Spadix interact with common medications for high blood pressure?

Official regulatory documents only specify one pharmacological restriction involving Morphine and its derivatives. The regulatory profile does not specify any formal interactions related to common classes of medications used to manage high blood pressure.

Q: Is it safe to take Spadix with standard daily vitamins or mineral supplements?

The regulatory general interaction profile focuses on pharmacological conflicts, such as the antagonism with morphine. Official documentation does not include formal documentation of interactions with standard daily vitamins or mineral supplements.

Q: Does Spadix work better for certain groups of people based on age or gender?

Clinical trials for Spadix primarily evaluated outcomes in adult cohorts, and there are specific contraindications for children under two years of age. Official documents state that findings reflect group patterns observed in the studies, not personalized outcomes. There is no official information specifying that efficacy differs based on patient gender.

Q: What makes Spadix chemically different from other drugs in its class?

Spadix is officially classified as a musculotropic antispasmodic agent and contains the active components Phloroglucinol Hydrate and Trimethylphloroglucinol. Its action is described as operating through a non-atropinic mechanism, which means its effects are exerted directly on the smooth muscle cells rather than primarily through the nervous system.

Q: How is the safety of Spadix monitored by regulatory agencies after it is approved?

The ongoing safety of Spadix is supported by regulatory-mandated monitoring requirements. This includes periodic patient testing, such as Liver Function Tests (LFTs) and Complete Blood Count (CBC) tests, which are required for all patients. Electrocardiogram (ECG) monitoring is also required for patients deemed high-risk due to the documented cardiac risk.

How should Spadix be stored and disposed of?

Storage and Disposal Requirements

Official regulatory documents define strict conditions for the storage and disposal of Spadix (Phloroglucinol Hydrate, Trimethylphloroglucinol) to ensure product stability.

Condition Type Official Regulatory Requirement
Temperature Store the medicine at a temperature below 30°C.
Handling/Container Keep the medicine in the original package to protect it from moisture; bottles must be kept tightly closed.
In-use Stability If supplied in a bottle, the contents must be used within 1 month of first opening.
Child Safety Keep this medicine out of the sight and reach of children.

Disposal Protocol: The product must not be thrown away via wastewater or regular household waste. Regulatory labeling instructs the user to ask a pharmacist how to throw away medicines no longer needed, supporting measures to help protect the environment.

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

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