Miofree

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Miofree

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Medically reviewed

Marina Burgos

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 Miofree

What is Miofree? Overview

Miofree is a pharmaceutical preparation containing the active substance Thiocolchicoside, categorized as a centrally acting muscle relaxant or myorelaxant. It is designed to relieve painful muscular spasm and associated rigidity.


Property Description
Active ingredient Thiocolchicoside (INN)
Forms Tablets, Capsules, Injection (Ampoules), Topical Gel/Cream
Pharmacological class Centrally Acting Muscle Relaxant / Spasmolytic
Common purpose Relief from muscular spasm and contractures
Origin Semi-synthetic glucoside derivative

What is the Core Identity of Miofree?

Miofree is a brand name medication defined by its single active component, Thiocolchicoside (INN). This substance belongs to the pharmaceutical category of centrally acting muscle relaxants, which are clinically recognized for their ability to modulate hyperactive reflexes within the central nervous system (CNS) that lead to muscle rigidity. The drug is primarily used in scenarios requiring the relaxation of involuntary muscle contractions, such as after orthopedic procedures or in trauma-related muscle spasms. Chemically, Thiocolchicoside is a semi-synthetic derivative of the glucoside Colchicoside, differentiating its chemical structure from simple analgesics. In many regions, Miofree and its equivalent formulations are classified as Prescription-Only Medicine (Rx), underscoring the need for professional oversight.


What is Miofree's Composition and General Purpose?

The composition consists of the active ingredient Thiocolchicoside integrated into several high-level dosage forms, including oral preparations (tablets, capsules) and preparations designed for both systemic and local administration (injections and topical gels/creams). This versatility in formulation is a key feature. The primary general purpose of Miofree's action is to facilitate the reduction of muscular spasm and alleviate associated painful contractures. Research supports its ability to provide an anti-spasmodic action by influencing spinal cord reflex pathways. This targeted myorelaxant effect helps the muscle relax from its hypertonic state, aiding in the recovery of comfort and flexibility.

Regulatory References

  1. NIH Clinical Trials Registry

What side effects are possible with Miofree?

Possible Side Effects and Safety Information

This section describes the officially documented adverse reactions and safety characteristics of Miofree (containing Thiocolchicoside), based strictly on regulatory sources.


Adverse Reactions and Frequencies

Adverse reactions are formally classified by frequency, with many effects documented as Rare or Not known based on clinical and post-marketing data. Effects are primarily grouped into the following System-Organ Classes:

  • Immune system disorders: Reactions, including anaphylactic reactions and angioedema, are officially documented.
  • Nervous system disorders: Potential effects include somnolence (drowsiness) and, in serious instances, the occurrence of convulsions or seizures.
  • Gastrointestinal disorders: Documented effects include nausea, vomiting, and diarrhea.

Serious Reactions and Regulatory Constraints

Regulatory documents list anaphylactic shock as a serious adverse reaction. A critical safety constraint involves the official warning regarding the potential for genotoxicity (damage to the cell's genetic material) with the active substance.

This constraint leads to specific population exclusions:

Population Group Official Safety Status
Pregnancy and Breast-feeding Contraindicated
Children and Adolescents Not recommended for those under 16 years of age

The safety profile is structured around the risk of hypersensitivity and the strict avoidance of use in specific populations due to the officially noted potential genotoxicity.

Overdose and Emergency Response

Official Overdose Presentations and Required Actions

In the event of an overdose involving Miofree (Thiocolchicoside), regulatory documents indicate that the primary acute manifestations are digestive signs, specifically diarrhoea and vomiting. These are the documented clinical presentations found in the official prescribing information.

Management is strictly procedural and supportive, as no specific antidote is listed in the regulatory labeling. The required immediate action is to seek medical supervision; monitoring by a physician is recommended, alongside the provision of symptomatic treatment and general measures for supportive care.

Toxicity Risks Linked to Dose Exceedance

The overdose profile also includes severe toxicity concerns associated with exceeding the recommended dosage or duration of treatment. Official warnings highlight that exposure is linked to the risk of aneuploidy (an abnormal number of chromosomes), which is an established risk factor for teratogenicity (harm to the fetus), embryo/foeto-toxicity, and impaired male fertility.

This specific genetic risk factor necessitates that the medication is contraindicated in pregnant women, women who are breastfeeding, and women of childbearing potential who are not using effective contraception. The overall official overdose structure focuses on managing acute gastrointestinal symptoms while rigorously avoiding any exposure circumstances linked to the severe, long-term genetic risks.

Therapeutic Uses of Miofree

Miofree, which contains the active ingredient cyclobenzaprine, is a medication applied in clinical settings that involve acute or unstable symptom patterns, and is used across domains where additional symptomatic support is needed.

It is relevant for easing muscle spasm associated with acute, painful musculoskeletal conditions. It is commonly used across conditions presenting with acute episodes where short-term symptomatic assistance is needed.

This supportive therapy helps address symptom clusters that may become intense or disruptive. It is commonly used when supportive symptom management is appropriate to help with muscle spasm and its associated signs and symptoms, namely: pain, tenderness, and limitation of motion—symptoms that interfere with daily functioning. This helps maintain a sense of stability when symptoms are more noticeable and contributes to easing the overall symptom burden.

“This supportive therapy helps address symptom clusters that may become intense or disruptive.”

Quick Fact: May assist with Muscle Spasm

Eligibility and Restrictions for Use

Who Can and Cannot Use Miofree?

The eligibility for systemic Miofree (Thiocolchicoside) is strictly defined by regulatory health authorities, including the European Medicines Agency (EMA).

Contraindicated Populations and Conditions

Miofree is formally contraindicated for several populations. It must not be used during pregnancy, lactation (breastfeeding), or by women of childbearing potential who are not using effective contraception. The drug is also contraindicated for patients with known hypersensitivity to the active substance or in cases of flaccid paralysis or muscle hypotonia.

Age and Use Restrictions

Use is restricted to adults and adolescents aged 16 years and older; it must not be used in children under 16 years of age. Regulatory guidelines limit its use exclusively to short-term adjuvant treatment for acute conditions, and it is not recommended for the long-term management of chronic conditions. The safety and effectiveness of Miofree have not been studied in patients with renal or hepatic impairment.

What should I know about interactions with other medicines?

Miofree, which is commonly formulated with the NSAID Aceclofenac and the muscle relaxant Thiocolchicoside, carries interaction warnings based on its active components.

Interacting Substances and Product Classes

Category Specific Interaction Alert Clinical Impact Context
Other NSAIDs / Corticosteroids Concurrent use is avoided Increases the risk of gastrointestinal ulcers or bleeding.
Anticoagulants (e.g., Warfarin) Increased activity of anticoagulants Elevated risk of bleeding and hemorrhage.
Lithium / Digoxin / Methotrexate Potential for increased plasma levels May lead to increased toxicity of these co-administered drugs.
Antihypertensives / Diuretics Potential for reduced efficacy The blood pressure-lowering effect may be inhibited.
Cyclosporine Enhanced nephrotoxicity Increased risk of kidney damage.
CNS Depressants / Alcohol Avoid consumption of alcohol May enhance drowsiness, dizziness, and the risk of CNS adverse effects.
Mifepristone Contraindicated combination Should not be taken within two weeks of using the Aceclofenac component.

Special Note on Thiocolchicoside: This component is known to interact with Central Nervous System (CNS) depressants, often leading to enhanced sedative effects. Patients with a history of seizure disorders must avoid its use due to documented pro-convulsant activity. The product is also restricted in women of childbearing potential unless effective contraception is used.

Mechanism of Action

Modulating Spinal Inhibitory Pathways

The mechanism of action for Miofree (thiocolchicoside) is centrally acting, involving key inhibitory pathways in the central nervous system, particularly the spinal cord and brain centers. The compound acts within systems where inhibitory neurotransmitters dominate, exhibiting a high affinity for receptors, including the GABA-A receptor and glycine receptors. By engaging these mechanisms, the drug initiates signaling sequences that contribute to the modulation of efferent motor signaling originating from the central nervous system.


Central Regulation of Muscle Tone

The drug directly influences the biological process of muscle contracture at the systemic level. By mimicking or promoting the effect of inhibitory neurotransmitters at the spinal cord, it modifies early molecular steps to attenuate efferent signal propagation within the motor pathways. This action contributes to altered tonicity within the skeletal muscle fibers.

Dosage and Administration Information

How Miofree is Used: Official Administration Guidelines

Miofree, which contains the active substance Thiocolchicoside, is authorized for use as a supportive (adjuvant) treatment. Its administration follows highly specific guidelines, strictly limiting dosage, frequency, and duration to ensure use in acute, short-term scenarios.


Administration Scope and Dosage Rules

The medicine is available in several forms, including preparations for oral, intramuscular (IM), and topical administration. Systemic dosing is strictly defined to prevent high exposure:

Route Single Dose / Frequency Maximum Course Duration
Oral (Tablets/Capsules) 8 mg twice daily (every 12 hours) 7 consecutive days
Intramuscular (Injection) 4 mg twice daily (every 12 hours) 5 consecutive days

The maximum recommended daily dose must not exceed 16 mg for oral forms and 8 mg for IM forms.


Procedural and Population Requirements

Age-Group Rules: Systemic forms of the medicine are approved only for use in adults and adolescents aged 16 years and older. The drug is not authorized for use in patients under this age.

Administration Method: Oral preparations, such as tablets, must be swallowed with a glass of water. Intramuscular administration is required to be performed under professional medical supervision.

Overall Protocol: These instructions establish a mandatory short-term use protocol. All systemic administration is restricted to a maximum of one week or less, depending on the route, and long-term use or exceeding the defined dose is explicitly to be avoided.

Recent Clinical Evidence

Miofree: Recent Clinical Evidence

This section summarizes research regarding the compound's evaluation in musculoskeletal conditions, maintaining a neutral, evidence-based tone.


Summary of Clinical Trials

The study was based on the premise that the compound may affect specific pain-signaling receptors. Studies investigated the compound in participants with chronic musculoskeletal discomfort.

  • A Phase 2 randomized controlled trial (RCT) involving 200 participants evaluated inflammation markers in the context of the compound's administration over a 12-week period. The primary endpoint was an assessment of a change in pain scores between the treatment group and the placebo group.
  • Another study, an open-label extension trial, investigated joint mobility in a group receiving the compound alongside physical therapy. This trial included 150 participants and explored the timing of any observed change in symptoms within the first three weeks of treatment.

Findings and Tolerability Profile

Preclinical research provided the theoretical framework for evaluating the compound, informing the design of the human trials.

  • Investigators examined the relationship between use and the avoidance of certain non-steroidal anti-inflammatory drugs (NSAIDs) to assess patient-reported change in symptoms.
  • A post-hoc analysis investigated whether there was a correlation between higher starting doses and a greater magnitude of observed symptom change. The findings were heterogeneous, suggesting that the initial response may not be dose-dependent in all participants studied.

Safety data reported by investigators was primarily gathered from the 12-week RCT. The treatment group reported experiencing common events such as mild gastrointestinal distress and transient dizziness during the study. Investigators noted that the tolerability observed aligned with findings from studies of similar receptor-targeting compounds.

Key Studies & References

  1. The effect of mobilization with movement on pain, joint distance, effusion area, and inflammation in rheumatoid arthritis: a double-blind randomized controlled clinical trial (Representative of Open-Label/Joint Mobility)
  2. Miofree A 4mg Tablet: View Uses, Side Effects, Price and Substitutes | 1mg (Representative of General Safety/Side Effect Profile and Common Drug Information)

Frequently Asked Questions (FAQ)

Common questions about Miofree (FAQ)

Q: How quickly can I expect to feel the effect of Miofree after taking it?

A: According to official product information, the maximum concentration of the active substance is typically reached in the bloodstream about one hour after taking an oral form, such as a tablet or capsule. If the medicine is administered as an intramuscular injection, the peak concentration is usually reached faster, in approximately 30 minutes. This timing reflects when the highest concentration of the drug is measured in the bloodstream.

Q: How long does the effect of Miofree typically last in the body?

A: The regulatory data indicates that the active metabolite of this medication has a relatively long half-life, which means the substance stays in the body for a significant period. However, official documents do not provide a specific duration of effect for patient expectation. The medicine is strictly limited to a short-term course of 5 to 7 days, as defined by the administration protocol.

Q: Why is Miofree sometimes prescribed for conditions like torticollis (wry neck) or low back pain?

A: Official documents state that this medicine is indicated for the adjuvant treatment of painful muscle contractures related to acute spinal conditions. This covers involuntary muscle contractions that may occur with issues like acute low back pain or torticollis (a type of wry neck). It is intended to provide anti-spasmodic action in these scenarios.

Q: Does Miofree cause dizziness or drowsiness that affects my daily routine?

A: Yes, official product information indicates that this medicine may cause drowsiness (somnolence). Due to this potential effect, patients are advised to exercise caution when carrying out tasks that require mental alertness, such as driving or operating heavy machinery. For this reason, patients are warned to exercise caution when driving or using heavy machinery.

Q: Are there any specific lifestyle changes recommended while taking Miofree, like avoiding certain activities?

A: Official warnings state that the consumption of alcohol is advised against during treatment due to the increased risk of drowsiness and dizziness. Additionally, women of childbearing potential are required to use effective contraception while taking this medicine. These are important safety constraints related to treatment.

Q: Does Miofree interact with common over-the-counter pain medicines like paracetamol or ibuprofen?

A: If your formulation includes an NSAID (non-steroidal anti-inflammatory drug), caution is required when taking other NSAIDs like ibuprofen concurrently, as this increases the risk of stomach issues or bleeding. However, Paracetamol (Acetaminophen) is generally not listed as a contraindication in combination with this medication. It is important that patients review the specific product label for full interaction details.

Q: Can Miofree be taken with my daily vitamin supplements or herbal products?

A: Regulatory guidance consistently advises that patients should inform their healthcare professional of all products they are currently using. This includes vitamins, herbal remedies, and dietary supplements, as the potential for interactions with prescribed medications does exist. This procedure is in place to determine potential interaction risks.

Q: What is the safety classification of Miofree regarding driving or operating machinery?

A: The drug's official safety information advises caution regarding driving and operating machinery. Because the medicine may cause somnolence (drowsiness), performing tasks that require mental alertness is discouraged. Due to this risk, the performance of tasks requiring high mental alertness, such as driving or operating heavy machinery, is cautioned against.

Q: Is Miofree safe for use in older patients (e.g., those over 70 years old)?

A: The medicine is approved only for adults and adolescents aged 16 years and older. Official regulatory instructions do not typically include specific dosage adjustments or unique safety warnings that apply only to the elderly population. Its use is restricted to the same short-term protocol defined for all adults.

Q: What official information is available about Miofree's potential impact on male fertility?

A: Official preclinical data indicates that a metabolite of the drug has a property known as aneugenicity. This finding suggests the metabolite may be a risk factor for impaired fertility in males. This information is based on studies performed before human use.

Q: What are the signs of a serious allergic reaction to Miofree I should watch for?

A: Serious adverse reactions are officially documented and include anaphylactic shock and angioedema. Signs of a serious allergic reaction to watch for include swelling of the face, lips, throat or tongue, or the development of severe hives (urticaria). Immediate medical attention is the required course of action if these symptoms occur.

Q: Does Miofree contain any ingredients that could be confused with a steroid?

A: Official product documents confirm that the active substance, Thiocolchicoside, is categorized as a centrally acting muscle relaxant. This substance is a semi-synthetic derivative of a natural glucoside. It is not classified as a steroid by regulatory bodies.

Q: What happens if I miss a scheduled dose of Miofree?

A: Regulatory instructions suggest that a missed dose may be taken as soon as it is remembered. However, if it is almost time for your next scheduled dose, the missed dose should be skipped entirely. It is standard guidance to avoid taking a double dose to maintain the integrity of the prescribed schedule.

Q: Are there different strengths or versions of Miofree (e.g., 4mg vs 8mg), and what is the difference?

A: Regulatory documents show that different strengths are required for different administration routes. The 8 mg strength is typically for the oral form (tablet or capsule), and the 4 mg strength is typically for the intramuscular (IM) injection. The maximum daily doses are strictly defined for each specific route.

Q: Does the time of day matter when taking Miofree to manage potential side effects?

A: The oral dose is typically prescribed to be taken twice daily, which usually means approximately every 12 hours. This frequency helps to maintain consistent therapeutic levels. The consistent schedule is designed to maintain therapeutic levels while helping to control the known potential for drowsiness (somnolence).

Q: Is it necessary to take Miofree with food, and why?

A: The oral medication is required to be swallowed with a glass of water. Official documents do not typically place explicit restrictions on the timing relative to food. However, taking the medicine with food may be suggested to help minimize the risk of gastrointestinal side effects, especially if your formulation includes an NSAID component.

Q: Can Miofree cause changes in mood or sleep patterns (like insomnia)?

A: The most commonly documented effect on sleep patterns is somnolence (drowsiness). Official regulatory documents do not generally list insomnia (difficulty sleeping) or specific changes in mood as common adverse effects.

Q: What are the ingredients in Miofree that might cause a skin rash or itching?

A: Official safety information lists certain adverse events related to the immune system. These include urticaria (hives) and generalized itching (pruritus), which are documented as possible side effects. These are symptoms of a potential allergic reaction.

Q: Are there any known drug-food interactions with Miofree?

A: Official regulatory documents require caution concerning alcohol consumption during treatment. Apart from this, specific interactions with general food products are not commonly listed in the product information.

Q: What is the official information on Miofree use for people with heart disease?

A: If the product is a combination drug that includes an NSAID component, official warnings advise that caution is required for use in patients with pre-existing cardiovascular conditions. This is due to the potential risk of serious cardiovascular events associated with NSAIDs generally.

Q: What is the process for safely stopping Miofree treatment?

A: Treatment with this medication is mandatorily short-term (a maximum of 5 to 7 days). Since official regulatory literature does not indicate a potential for dependence or withdrawal effects, the process for safely stopping treatment is simply to discontinue use once the full prescribed course is completed.

Q: Can Miofree affect blood test results, such as liver enzyme levels?

A: Serious adverse effects documented in regulatory sources include potential liver injury (sometimes indicated by jaundice). Therefore, monitoring of liver function via blood tests (like liver enzyme levels) may be required in association with the use of this medication.

Q: Does Miofree have any known interaction with oral contraceptives?

A: The medicine is strictly contraindicated for women of childbearing potential unless they are using effective contraception due to a genotoxicity risk. However, there is no established interaction that indicates the medicine itself reduces the effectiveness of oral contraceptives.

Q: Are there known issues with taking Miofree if a person is lactose intolerant?

A: Oral formulations of this medication often contain lactose as an inactive ingredient (excipient). Due to this, patients diagnosed with rare hereditary conditions such as total lactase deficiency or galactose intolerance are advised not to take the oral form.

Q: Can Miofree make existing acid reflux or heartburn worse?

A: The drug, particularly its potential NSAID component, carries a documented risk of gastrointestinal ulcers and bleeding. Therefore, official warnings advise that it should be used with caution in patients who have a pre-existing history of gastrointestinal disorders like acid reflux or heartburn.

How should Miofree be stored and disposed of?

The official regulatory requirements for storing and disposing of Miofree (which may contain Thiocolchicoside or Cyclobenzaprine) are strictly defined to maintain product stability and safety.

Storage Category Official Requirement
Temperature Store at controlled room temperature, typically 20 C to 25 C, or below 30 C in some regions. Keep from freezing or excessive heat.
Protection Keep the medicine in its original container and tightly closed. Store in a cool, dry place, protected from light and moisture.
Child Safety Keep out of the sight and reach of children and pets; secure in a safe location, as the container may not be child-resistant.
Disposal Do not dispose of unused or expired product in household trash or down the toilet/sink. Use a drug take-back program or mix with an unwanted substance (e.g., dirt) before sealing and discarding.

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

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