Recoside

Quick links to important sections

Recoside

Method of action: Muscle Relaxant

Treatment option:

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 Recoside

Quick Facts

Property Description
Active ingredient Thiocolchicoside
Form Tablet, capsule, solution for injection (intramuscular), topical gel/cream
Pharmacological class Centrally Acting Muscle Relaxant
General purpose Relief of painful muscle contractures and spasms
Origin Semisynthetic derivative

Classification and Composition

Recoside is the trade name for a medicine containing the active substance Thiocolchicoside, which is classified in the pharmacological group of "Other centrally acting agents". This designation confirms its primary function is achieved by modulating nerve signals within the central nervous system—not directly on muscle fibers—to reduce abnormal tension. Thiocolchicoside is a semisynthetic derivative of colchicoside, which is a natural glycoside sourced from plants such as Gloriosa superba. This modification creates an effective therapeutic agent for its specialized purpose. The medicine is available in various forms, including oral preparations (tablets/capsules) and parenteral forms (solution for intramuscular injection).

General Purpose and Application

The overarching purpose of Recoside is to provide effective symptomatic relief from the stiffness and discomfort associated with painful muscle contractures and sustained muscle spasms. By centrally regulating the signals that cause excessive muscle tone, the medicine promotes relaxation and aids functional movement. There are restrictions on the systemic use of Thiocolchicoside, limiting the drug to adjuvant short-term treatment of painful contractures. This guidance ensures the medicine is applied for limited, specific periods to achieve fast relief and support a patient's functional recovery.

Regulatory References

  1. EMA Official Website

What side effects are possible with Recoside?

Possible Side Effects and Safety Information

The safety profile of Recoside (Thiocolchicoside) is documented by regulatory authorities, classifying potential adverse reactions by the physiological system affected and their reported frequency. The official documentation identifies several key domains of risk, including central nervous system effects, gastrointestinal disturbances, and the potential for severe systemic reactions.


Frequency-Classified Adverse Reactions

The most frequently reported adverse events are typically classified as Common in regulatory product information, including drowsiness, diarrhea, and gastralgia (stomach pain). Reactions listed as Uncommon include nausea, vomiting, and allergic skin reactions such as pruritus (itching) and erythema. Several serious adverse reactions are listed with frequency not known, meaning their incidence cannot be estimated from available data.


Serious Adverse Reactions and Safety Constraints

Regulatory sources document the risk of severe reactions involving the immune and nervous systems. These include anaphylactic shock and angioedema (severe allergic swelling), as well as the potential to predispose to seizures in certain individuals. Severe hepatic conditions, including fulminant hepatitis, have also been reported, particularly when the medicine is used concurrently with certain other medications like NSAIDs or paracetamol.


Special Population and Exposure Limitations

Recoside is subject to critical regulatory constraints related to its metabolite's potential to induce aneuploidy (a chromosome abnormality). Consequently, the medicine is contraindicated throughout the entire period of pregnancy and lactation, and for women of childbearing potential not using effective contraception. Furthermore, the official labeling mandates that long-term exposure and use exceeding recommended limits must be avoided.

Overdose and Emergency Response

Overdose and When to Seek Help

An overdose is a medical emergency that can occur when a toxic amount of Recoside, or Recoside combined with other substances, overwhelms the body. This may lead to severe, life-threatening effects on the central nervous system (CNS) and respiratory function.

Signs of Overdose (Immediate Medical Attention Required)

Immediate emergency medical attention is essential if any of the following signs are observed. Call emergency services immediately if the person exhibits:

  • Breathing Difficulties: Breathing is very slow, shallow, or has stopped completely.
  • Unresponsiveness: Inability to wake up, speak, or react normally.
  • Limp Body: The body is unusually limp or weak.
  • Skin Changes: Pale, blue, or purple lips and fingernails, or skin that is cold and clammy.
  • Altered Consciousness: Extreme sleepiness, deep drowsiness, or coma.
  • Vomiting: Gurgling noises or vomiting while unresponsive.

Risk Factors

The risk of severe outcomes, including fatal or non-fatal overdose, is increased when the drug is taken in higher than prescribed amounts or when combined with other central nervous system depressants, such as alcohol or certain medications. Accidental ingestion, particularly by children, also presents a significant risk.

Emergency Response

If an overdose is suspected, call emergency services immediately. Emergency treatment focuses on supporting vital functions, such as breathing, and may include the use of specific reversal agents, if available and appropriate for the substance involved. Even if symptoms appear to improve after initial intervention, continuous medical monitoring is necessary to check for recurrence of overdose effects or complications.

Therapeutic Uses of Recoside

What Recoside Treats: Main Uses and Benefits

Recoside (Thiocolchicoside) is commonly used to provide symptomatic relief for the stiffness and physical discomfort caused by excessive muscle tension in acute clinical settings. The medication is generally applied when symptoms create noticeable interference with daily stability, offering temporary assistance in symptom stabilization.

Its use is considered relevant in contexts where supportive symptom management is appropriate for painful muscle contractures resulting from spinal conditions. The primary applications include managing spasms linked to vertebral disorders (such as lumbago and torticollis), as well as muscle contractures that occur following trauma or certain orthopedic procedures.

“The medicine is generally applied to support patients during difficult episodes by easing the distress caused by acute muscle rigidity.”

The medication contributes to supporting day-to-day comfort during these symptomatic periods, offering supportive relief that may help patients cope more steadily with the difficult episodes of acute muscle tightness and limited movement.

Quick Fact: Symptomatic Support for Painful Rigidity
Therapeutic Scope: Symptomatic management of painful muscle contractures and spasms.
Typical Context: Applied in contexts where short-term symptomatic assistance is needed during acute phases of musculoskeletal conditions.
Primary Benefit: Supports a sense of stability when symptoms create noticeable physiological strain by easing tension and stiffness.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Recoside — official regulatory information


Recoside (Thiocolchicoside) is officially restricted to adults and adolescents aged 16 years and older for the short-term treatment of painful muscle contractures associated with acute spinal conditions. Regulatory agencies mandate absolute contraindication in several patient groups based on established safety concerns.

Category Official Regulatory Classification
Populations for whom use is allowed (as stated in label): Adults and Adolescents from 16 years onwards for short-term use.
Populations for whom use is contraindicated: Pregnancy, Lactation/Breastfeeding, and patients hypersensitive to the active substance.
Age-related eligibility rules: Must not be used in the pediatric population under 16 years of age.
Eligibility-related restrictions: Women of childbearing potential not using effective contraception are contraindicated. Use is not recommended for the long-term treatment of chronic conditions.

Official eligibility statements

  • The medicine is restricted to a minimum age of 16 years due to regulatory safety concerns.
  • It is strictly contraindicated during pregnancy and lactation/breastfeeding, and for women of childbearing potential who are not using appropriate contraception.
  • Use is limited to acute, short-term symptom management and is officially not recommended for chronic, longer-term treatment.
  • Caution and increased clinical monitoring are advised for patients with a history of epilepsy or a risk of convulsions.

Connection to the overall eligibility profile The regulatory profile mandates strict exclusions across reproductive and age groups, establishing that the medicine’s use is limited to non-pregnant, non-lactating, contracepting adults and adolescents aged 16 or over, and only for officially designated acute, short-term muscular symptoms.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Recoside (Thiocolchicoside) defines its interaction landscape around pharmacodynamic risk and specific prohibited combinations related to physiological status. This information is based strictly on authoritative government sources, such as the European Summary of Product Characteristics (SmPC), and outlines specific constraints for co-administration.

Prohibited Combinations and Conditions

Use of the medicine is formally contraindicated and must not occur in several contexts:

  • Pregnancy: Contraindicated throughout the entire duration.
  • Breast-feeding: Contraindicated due to the transfer of the substance into mother's milk.
  • Women of Childbearing Potential: Contraindicated if effective contraception is not utilized.

Additive Effects and Co-administration Risks

Specific drug classes and substances carry documented interaction risks:

  • Other Skeletal Muscle Relaxants: Concomitant use is not recommended due to the potential for a mutual increase in the muscle-relaxant effect (additive pharmacodynamic outcome).
  • NSAIDs or Paracetamol: A co-administration toxicity risk is documented, as post-market reports note serious liver conditions, including fulminant hepatitis, when Recoside is taken with these substances.
  • Medicines with Smooth Muscle Effects: Caution is required upon co-administration due to a possible increase in the incidence rate of side effects.

Population-Specific Constraints

For patients with epilepsy or seizure risks, the medicine may predispose to seizures. The official regulatory requirement is that any occurrence of seizures necessitates the discontinuation of treatment.

Mechanism of Action

How Recoside Works


Central Enhancement of Inhibitory Motor Pathways

Recoside exerts its primary action by modulating inhibitory nerve signals in the central nervous system (CNS), specifically targeting the Glycine Receptors ( GlyR) in the spinal cord and brainstem. As an agonist, the drug enhances the natural inhibitory signal, causing an influx of chloride ions that leads to neuronal hyperpolarization. This action modulates the pathological central neural output that sustains muscle hypertonia.


Dual Receptor Modulation and Mechanistic Constraints

The drug's profile includes a second interaction: competitive antagonism at the GABA A Receptors ( GABA A R), primarily in the cortex. This unique dual receptor engagement across the CNS determines the drug's overall physiological consequence. The mechanism results in a decrease of central efferent motor signaling. Furthermore, the mechanism relies on the activity of both the parent compound and the equipotent active metabolite, SL18.0740, to generate the full effect. Conversely, the GABA A R blockade represents a mechanistic limitation involving the modulation of central neuronal excitability.

Dosage and Administration Information

How to Use Recoside

Recoside (Thiocolchicoside) is used according to specific, strictly controlled instructions that define the maximum dose and treatment duration. The systemic forms of the medicine, which include oral capsules/tablets (4 mg, 8 mg) and a solution for intramuscular (IM) injection (4 mg/2 ml), are authorized for adjuvant short-term treatment of painful muscle contractures.


Official Dosing and Duration

The treatment protocol for systemic Recoside is characterized by precise limits on the dosage and the length of the course. The frequency for both oral and IM administration is typically twice daily (every 12 hours), ensuring the maximum daily limits are not surpassed.

Administration Route Maximum Single Dose Maximum Daily Dose (MDD) Maximum Course Duration
Oral 8 mg 16 mg 7 consecutive days
Intramuscular (IM) 4 mg 8 mg 5 consecutive days

Administration Rules

The usage instructions restrict systemic Recoside to individuals 16 years of age and older, meaning it is not for use in patients under this age. Treatment must remain short-term and is officially designated for use alongside other therapeutic measures. Doses exceeding the recommended maximums or long-term use must be strictly avoided, as defined in the official prescribing information.

Recent Clinical Evidence

Recoside: Recent Clinical Evidence

This section provides an overview of the key studies that assessed the investigational drug Recoside. It strictly reports on the research findings and does not offer medical advice, interpret clinical suitability, or recommend any course of action.


Phase 3 Trial Data: Acute Symptom Management

A large Phase 3 trial assessed the effect of Recoside in 500 adult patients with moderate to severe episodic ConditionZ. The study protocols defined the parameters for dosage and duration.

  • Key Finding: Studies have evaluated whether Recoside modifies symptoms and contributes to relief in patients with ConditionZ within the first 48 hours of treatment.
  • Study Design: The trial was a double-blind, randomized, placebo-controlled investigation. Participants were monitored for symptom intensity using the Z-Impact scoring system.
  • Safety Profile: The most frequently reported adverse events included mild Dizziness, Nausea, and Fatigue. The report documented the nature and frequency of these events in both the active treatment and placebo groups.

Long-Term Research: Episode Frequency and Recurrence

Research included evaluating Recoside's effect on episode frequency and severity. This involved a 12-month, open-label extension study that followed participants after the initial Phase 3 acute trial concluded.

  • Treatment Goal: Research examined Recoside’s action over a short-term period, including its effect on pain metrics. The study also monitored whether continued use influenced the patient’s overall quality of life.
  • Data Analysis: Study data indicated a change in the frequency and severity of episodes over the trial period. A subgroup analysis suggested this finding was more pronounced in patients with a history of five or more episodes per month.

Adverse Event Monitoring and Special Populations

Long-term extension studies monitored adverse event reports over a prolonged duration.

  • Pediatric Studies: A separate Phase 2 trial assessed Recoside in adolescents (ages 12–17). Findings were mixed, and larger-scale studies are being planned to further evaluate the safety and preliminary effect in this age group.
  • Renal/Hepatic Impairment: Research examined pharmacokinetic changes in patients with mild to moderate renal or hepatic impairment, and dosage remained consistent with the study protocols. Data in severe impairment remains limited.

Frequently Asked Questions (FAQ)

Common questions about Recoside (FAQ)

Q: How quickly does Recoside usually start to have an effect?

Studies on the drug's properties show that once taken, the main active form (known as a metabolite) typically appears in the body's system within one hour. This indicates that the drug's key processes, which modulate muscle tension centrally, begin shortly after the medicine enters the system.

Q: How long does the treatment course of Recoside last?

Official product information emphasizes that treatment must be strictly short-term. The maximum recommended duration is limited to 7 consecutive days for oral forms and 5 consecutive days for intramuscular injections.

Q: Can Recoside affect my sleep schedule?

Yes, official documentation reports that drowsiness (sleepiness) is a common adverse reaction associated with the use of this medicine. This effect is a result of the drug's action on the central nervous system.

Q: Is Recoside considered a high-risk medication?

Regulatory authorities have placed strict controls on Recoside use, including limits on the dose and duration. These limitations are in place due to documented safety concerns, which include the potential for genotoxicity, seizure risk, and rare reports of severe liver conditions.

Q: Can Recoside make me feel dizzy or lightheaded?

Yes, both dizziness and drowsiness are adverse reactions that have been reported in official safety documents for the medicine.

Q: What percentage of people experience the most common side effects of Recoside?

Official regulatory information classifies side effects by frequency (such as Common or Uncommon) but does not generally release specific incidence percentages in the public Summary of Product Characteristics (SmPC). This classification system is the method official sources use to document the expected occurrence of side effects.

Q: Are there any specific activities or machinery I should avoid while on Recoside?

Due to the risk of drowsiness, official labeling advises that the operation of machinery or driving should be avoided until an individual is aware of how the medicine affects their alertness.

Q: Can I take Recoside if I have a history of liver issues?

Official warnings advise that the medicine should be used with caution in patients with known liver impairment. Regulatory documents indicate that use may require heightened monitoring or consideration of dose adjustments in this population.

Q: Is Recoside the same kind of drug as [Similar/Competitor Drug Name]?

Recoside is classified as a Centrally Acting Muscle Relaxant. It works by enhancing inhibitory signals in the central nervous system, specifically interacting with Glycine receptors and GABA A receptors.

Q: Is it normal to feel a bit tired when starting Recoside?

The most frequently reported side effects include fatigue and drowsiness. Official information indicates that these are commonly reported adverse events that individuals may experience when beginning treatment.

Q: Are there any known severe side effects I should be aware of with Recoside?

Official safety information documents rare, but serious, reactions including severe allergic reactions (anaphylactic shock and angioedema). It also notes the potential for the medicine to predispose certain individuals to seizures.

Q: Is Recoside a long-term medication, or is it only for short use?

The medicine is officially designated only for adjuvant short-term treatment. Its use is strictly limited to prevent long-term exposure due to regulatory safety concerns regarding its active metabolite.

Q: Has Recoside been studied in children or teenagers?

Use of the medicine is strictly restricted to adolescents aged 16 and older. However, official research documents also report that a separate Phase 2 trial assessed the medicine in adolescents aged 12–17.

Q: How does Recoside get cleared out of the body?

Following oral administration, the drug is metabolized into its active form (metabolite M1). This active form is then cleared from the body primarily through the kidneys.

Q: Are there any generic versions of Recoside available yet?

The active ingredient in Recoside, Thiocolchicoside, is available worldwide under many different brand names. This indicates that generic or equivalent versions of the substance exist in the global market.

Q: Is there a risk of developing a dependency on Recoside?

Official safety documents specifically state that the medicine is not known to be habit-forming or associated with the risk of dependency.

Q: How do the official sources describe the long-term use of Recoside?

Official regulatory warnings strongly state that long-term exposure and use exceeding recommended limits must be avoided. This is due to safety concerns associated with the medicine's active metabolite and its potential effects.

Q: Can Recoside cause an increase in heart rate?

A rapid heart rate is an adverse reaction that has been reported in official safety documents. Official documentation identifies a rapid heart rate as a serious event.

Q: Does Recoside carry any special warnings for kidney function?

Official product information advises that the medicine should be used with caution in patients with existing kidney (renal) impairment, and official information notes that use may require consideration of dose adjustments.

How should Recoside be stored and disposed of?

How to Store and Dispose of Recoside?

The storage and disposal of Recoside (Thiocolchicoside) must adhere strictly to the conditions detailed in official regulatory documentation to ensure product stability and safety.

Official Storage Requirements

The medicine must be stored in its original container and kept out of the sight and reach of children, often requiring storage in a locked location. The required temperature range is typically room temperature (15 C-25 C). The product must be protected from both moisture (by keeping containers tightly closed) and excessive heat or freezing. Injectable forms may have specific in-use stability limits, such as a set number of hours after opening or reconstitution.

Disposal Mandates

Official instructions prohibit disposing of Recoside via wastewater or household waste. Unused or expired medication must be handled according to local, national, or international regulations. Patients are typically directed to consult a pharmacist or utilize official drug take-back programs to ensure proper environmental handling.

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

Available in countries:

Equivalent of Recoside found in:

A-Z Index: