Mydocalm

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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 Mydocalm

Mydocalm is a medication used to help manage muscular stiffness and involuntary tightening. It contains the single active ingredient Tolperisone Hydrochloride and is classified as a centrally acting muscle relaxant. This drug acts on the central nervous system to modulate the signals that cause excessive muscle tone, distinguishing it from agents that work directly on the muscle fiber itself.

Property Description
Active ingredient Tolperisone Hydrochloride
Form Film-coated tablets, Solution for injection
Pharmacological class Centrally acting muscle relaxant
Common use Reduction of pathologically increased muscle tone (hypertonicity)
Origin Synthetic (Piperidine derivative)

What Type of Medicine is Mydocalm and What is its Active Ingredient?

Mydocalm belongs to the centrally acting muscle relaxant pharmacological class and contains the active ingredient Tolperisone Hydrochloride.

The chemical origin of the active substance, Tolperisone, is synthetic; it is classified as a piperidine derivative that has been established in clinical use for decades. Its fundamental action is focused on nerve signal pathways within the spinal cord and brainstem, stabilizing the nerve cell membranes to reduce their excitability. The medication acts to dampen the exaggerated reflex activity that results in the condition of muscular hypertonicity or spasticity, providing therapeutic relief.

What is the General Purpose of Tolperisone and What Forms Does it Come In?

The general purpose of Tolperisone is to relieve and reduce the pathologically increased tone of the skeletal muscle, offering a non-sedating approach to easing muscle stiffness.

By inhibiting specific ion channels in the nerve cells, the medication reduces the involuntary tightening and tension in muscles, thereby facilitating improved movement and range of motion. Unlike some other muscle relaxants, Tolperisone is characterized by a low potential for sedation. This clinically recognized property is a differentiating factor, allowing the drug to address muscle tension while minimizing interference with a patient's daily cognitive function. Mydocalm is available as a single-ingredient product in two primary dosage forms: film-coated tablets for oral administration and a solution for injection suitable for intramuscular or intravenous routes.

What side effects are possible with Mydocalm ?

Possible side effects and safety information

The safety profile of Tolperisone Hydrochloride (Mydocalm) is defined by classifications detailed in official regulatory documents. Adverse reactions are grouped by the physiological system affected and their reported frequency.


Adverse Reactions Classified by Frequency

Adverse reactions are classified according to regulatory frequency standards (ICH frequency bands):

Frequency Category Examples of Officially Listed Reactions
Uncommon (1 in 100 to 1 in 1,000) Headache, dizziness, drowsiness, nausea, abdominal pain, diarrhea, dry mouth, asthenia (weakness), muscular weakness.
Rare (1 in 1,000 to 1 in 10,000) Sleep disorders, confusion, paraesthesia, lethargy, hypotension, blurred vision, rash.
Not Known (Cannot be estimated) Severe systemic hypersensitivity reactions, including anaphylactic shock.

Serious Adverse Reactions and Safety Constraints

The most clinically significant safety signal is the risk of severe systemic hypersensitivity reactions, including anaphylactic shock, which has been documented primarily through post-marketing surveillance. These reactions can range from mild skin symptoms to severe systemic responses.

Adverse reactions are grouped into System-Organ Classes (SOCs), including Immune System Disorders, Nervous System Disorders, and Gastrointestinal Disorders.


Safety Considerations for Specific Populations

Regulatory product information defines specific patient groups with safety considerations:

  • The medicine is not recommended for use in individuals with severe hepatic (liver) impairment or severe renal (kidney) impairment.
  • Older adults and females are among the populations noted to have a higher risk of experiencing hypersensitivity reactions.
  • The medication is contraindicated in patients with a known hypersensitivity to Tolperisone or chemically related substances, and in those with Myasthenia Gravis.

These safety classifications and constraints organize the documented risk profile of the medicine, emphasizing the need to be aware of the potential for allergic reactions.

Overdose and Emergency Response

Overdose of Mydocalm (Tolperisone Hydrochloride) is a serious event requiring immediate medical attention, as documented in official regulatory profiles. The severity of intoxication can range from moderate effects to life-threatening complications.

Documented Manifestations and Severe Outcomes

Officially documented manifestations of potential overdose include signs of systemic excess such as somnolence, dizziness, and abdominal pain. Cardiovascular effects, including tachycardia (increased heart rate) and hypotension (low blood pressure), have also been reported. The most critical risk is related to severe Central Nervous System (CNS) depression. Massive ingestions have been associated with severe, potentially life-threatening outcomes, specifically convulsions (seizures), respiratory depression, and the potential for cardiac arrest.

Emergency Action and Management

Regulatory authorities mandate that individuals must seek immediate medical attention or contact emergency services immediately upon any suspicion of overdose due to the potential for these severe effects. Official management guidance confirms that treatment is limited to symptomatic and supportive measures, as no specific antidote is known for Tolperisone intoxication. Hospital observation and continuous clinical monitoring of vital signs and CNS status are required. Additionally, regulatory notes highlight that pediatric patients have demonstrated increased vulnerability to severe neurotoxicity, including convulsions, following accidental or massive ingestion.

Therapeutic Uses of Mydocalm

Mydocalm is applied in contexts marked by increased discomfort and is commonly used to help manage symptoms related to symptoms of increased neurological or muscular activity, providing supportive relief during episodes where discomfort is increased. Its active ingredient is considered relevant for managing conditions where symptoms link to organ-specific functional stress, representing a key therapeutic area.

The medicine is applied in settings marked by temporary physiological imbalance, and is applied in addressing symptom clusters that create noticeable functional strain and interfere with daily functioning. The clinical scenarios of use often involve conditions presenting with episodic or fluctuating manifestations of muscle tension. It assists with maintaining functional stability when symptoms create noticeable interference with daily stability.

“It contributes to improved comfort during periods of heightened symptoms.”

This supportive management helps ease the overall symptom load, which may help patients cope more steadily with symptom fluctuations.


Quick Fact: Support for Symptoms of Heightened Physiological Activity

Regulatory References

  1. European Medicines Agency's official guidance

Eligibility and Restrictions for Use

Mydocalm (tolperisone hydrochloride) is a centrally acting muscle relaxant prescribed primarily to treat pathologically increased muscle tone (spasticity), particularly in adults following a stroke.


Can Use (Adults)

  • Adults with post-stroke spasticity.
  • Individuals with other neurological conditions leading to increased muscle tone, following a physician's assessment.
  • Patients with mild to moderate kidney or liver impairment, with a dosage adjustment and close monitoring.

Cannot Use (Contraindications)

Condition Reason for Restriction
Allergy/Hypersensitivity History of hypersensitivity reaction to tolperisone or the chemically related drug eperisone.
Myasthenia Gravis Risk of worsening the condition due to muscle relaxation effects.
Breastfeeding Safety is not established; should not be used.
Severe Organ Impairment Not recommended for patients with severe liver or kidney impairment.

Use with Caution (Special Populations)

  • Pregnancy: Use is generally not recommended, especially during the first trimester, unless a doctor determines the potential benefit significantly outweighs the risk.
  • Children and Adolescents: Use in individuals under 18 is generally discouraged due to limited safety and efficacy data, though it may be prescribed in certain specific pediatric neurological conditions based on physician discretion.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Mydocalm (tolperisone) requires consideration of both pharmacokinetic and pharmacodynamic effects, as documented in official regulatory labeling.

Pharmacokinetic Interactions

Tolperisone is documented as a weak inhibitor of the CYP2D6 enzyme. Co-administration with medicines primarily metabolized by CYP2D6 may lead to increased plasma concentrations (exposure) of those drugs. Examples of CYP2D6 substrates that may be affected include thioridazine, tolterodine, venlafaxine, atomoxetine, and metoprolol.

Pharmacodynamic Interactions

Tolperisone may have an additive effect when combined with other centrally acting muscle relaxants, and a dose reduction of the co-administered agent may be necessary. Tolperisone also potentiates the effect of niflumic acid, an NSAID, and a dose adjustment for niflumic acid or other NSAIDs should be considered upon co-administration.

Food and Administration Constraints

The bioavailability of tolperisone is significantly reduced when taken in the fasting state. To ensure consistent and adequate absorption, Mydocalm must be administered after meals.

Population-Specific Notes

Patients categorized as CYP2D6 poor metabolizers may experience higher systemic exposure to tolperisone itself due to the genetic polymorphism affecting the drug's metabolic pathway.

Mechanism of Action

Mydocalm, whose active substance is tolperisone, acts as a centrally acting agent, accumulating selectively in nervous system tissue, particularly within the brainstem, spinal cord, and peripheral nerves. Its primary mechanism of action involves non-competitive inhibition of voltage-gated sodium channels (VmathrmNa) and calcium channels (specifically N-type VmathrmCa) on neuronal membranes.

This interaction results in the stabilization of the neuronal membrane, reducing the influx of Na^+ and Ca^2+ ions. The downstream cascade includes a decrease in neuronal excitability and a consequent dampening of action potential propagation. This cellular effect leads to the suppression of spinal segmental reflex activity, specifically inhibiting monosynaptic and polysynaptic reflexes. The systemic physiological consequence is a reduction in efferent signaling to skeletal musculature, modulating muscular tone at the level of the central nervous system.

Dosage and Administration Information

How to Use Mydocalm: Administration Guidelines

This section describes the general principles of how Mydocalm (Tolperisone Hydrochloride) is used in clinical practice.


Administration Routes and Dosage

Tolperisone is administered via two primary methods based on the specific formulation. The medicine is available as film-coated tablets for oral administration and as a solution for injection suitable for administration via the intramuscular (IM) or slow intravenous (IV) routes.

For adults, the typical daily oral dose ranges from 150 mg to 450 mg of tolperisone hydrochloride. This total amount is administered in three equally divided doses throughout the day. The tablets must be taken after meals (or with food), which is a key instruction for proper systemic delivery. For parenteral use, the standard single dose is typically 100 mg, administered once or twice daily.


Administration Requirements and Adjustments

Standard protocols establish specific procedures for proper use. The intravenous route requires the injection to be administered slowly. Furthermore, clinical guidelines specify that the dosage must be reduced in patients with mild to moderate hepatic or renal impairment due to the drug's metabolism and excretion. The oral regimen often begins at a lower dose and is subject to gradual increase (titration) to find the appropriate maintenance dose.

If a dose is missed, the protocol typically advises taking the next dose at the usual scheduled time, without taking a double dose to compensate. These instructions define the standardized approach to using the medicine.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Mydocalm


Evidence for Managing Pathologically Increased Muscle Tone (Hypertonicity and Spasticity)

Research has explored Mydocalm (Tolperisone) in studies related to conditions where study subjects presented with pathologically increased muscle tone or spasticity. Studies conducted during periods of increased symptom activity include short-term, randomized, double-blind trials, as well as broader efficacy reviews. These studies monitored outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level, often using measures like the Ashworth Scale to assess symptoms. Evidence describes that studies focused on populations of adults whose study data involved measurements of muscle tone. Findings describe patterns observed in the studies related to measurements of muscle tone. However, the evidence base is a mix of high-standard trials and older, lower-standard studies, and long-term effects are not fully established.


Evidence for Addressing Symptoms of Acute Muscle Spasm

Research has also examined Tolperisone in studies related to conditions associated with acute or disruptive episodes, specifically acute back muscle spasm. Studies focusing on episodes where symptoms become more noticeable have primarily consisted of short-term, randomized, placebo-controlled trials. These trials monitored patient-reported outcomes describing perceived discomfort using pain scales, and monitored patients over short, defined time intervals, typically around two weeks. Findings describe patterns observed in these studies, reporting measurements of subjective pain scores.


Research on Cognitive and Psychomotor Effects

Dedicated research was conducted to explore short-term symptom changes related to the potential central effects of the compound. Data show patterns related to how the compound was observed in some studies that reported measurements of psychomotor performance. These findings help contextualize how patients reported their experience regarding alertness during the study period, which contributes to the broader evidence landscape of centrally acting agents.


Understanding Uncertainties and Evidence Gaps

Evidence quality varies across studies, particularly between recent trials and older investigations. For many applications outside of the primary studied areas, evidence is limited, and research exploring short-term symptom changes has involved sample sizes that were small. Furthermore, comparative evidence is lacking in some contexts against all widely used muscle relaxants. Data for certain groups, such as children or pregnant individuals, remain insufficient, as the results apply primarily to the specific adult populations studied. The research does not determine whether an individual will respond similarly; study results reflect group patterns under the specific conditions they were conducted.

Key Studies & References

  1. Tolperisone for the Treatment of Acute Muscle Spasm of the Back: Results from the Dose-Ranging Phase 2 STAR Study (NCT03802565)

Frequently Asked Questions (FAQ)

Common questions about Mydocalm (FAQ)

Q: How quickly does Mydocalm start working after you take it?

A: According to official product information on pharmacokinetics, the active substance, tolperisone, is absorbed relatively quickly. The maximum concentration in the blood is typically reached within 0.9 to 1.5 hours after taking the tablet. This timeframe indicates how quickly the drug may begin to exert its effect in the body.

Q: What is the typical duration of effect for Mydocalm?

A: Regulatory documents indicate that the elimination of tolperisone from the body occurs in two phases. The initial half-life, which reflects how long it takes for the drug concentration to drop by half, averages approximately 1.5 to 2 hours. This information is a measure of how quickly the substance is processed and removed from the body.

Q: Is Mydocalm considered a strong muscle relaxant?

A: Mydocalm is officially classified as a centrally acting muscle relaxant. Regulatory information describes its unique mechanism, which involves modulating specific ion channels in nerve cells to reduce muscle tone. This classification focuses on its action within the central nervous system, rather than using terms to compare its perceived strength to other medicines.

Q: Is Mydocalm similar to other muscle relaxers I've heard of?

A: Official documents categorize Mydocalm as a centrally acting muscle relaxant. A key characteristic noted in clinical documentation is its low potential for causing sedation or drowsiness. This low sedation profile is a differentiating characteristic compared to other muscle relaxants that may have more prominent central nervous system side effects.

Q: Can Mydocalm be used for general muscle soreness or tension?

A: The officially approved indications for Mydocalm are strictly defined in regulatory documents. These uses are limited to the reduction of pathologically increased muscle tone, known as spasticity, and the treatment of acute back muscle spasm. General muscle soreness or tension are not listed as approved indications for the medicine.

Q: Is it safe to take Mydocalm with alcohol?

A: According to some official product labeling, Mydocalm has been reported in clinical data not to interact with alcohol. Furthermore, the drug is described as non-sedating. Regulatory guidance provided in your region should be referenced for specific details regarding alcohol consumption with any medication.

Q: Is Mydocalm known to cause addiction or dependency?

A: Regulatory classifications indicate that Mydocalm is not an opioid and is not categorized as a controlled substance. Official safety profiles indicate the medicine is not associated with dependency or a high potential for abuse.

Q: Is Mydocalm available over the counter, or is it prescription only?

A: Mydocalm is consistently categorized by regulatory bodies as a prescription-only medicine. This means that a valid prescription from a licensed healthcare provider is required to obtain the medication.

Q: Is Mydocalm an anti-inflammatory drug?

A: Official product information classifies Mydocalm (tolperisone) as a centrally acting muscle relaxant. This classification means its primary action is on the central nervous system to reduce muscle tone. It is not classified as a non-steroidal anti-inflammatory drug (NSAID) or any other type of anti-inflammatory medication.

Q: Are there known symptoms of suddenly stopping Mydocalm?

A: Based on available regulatory documents, specific discontinuation or withdrawal symptoms are not typically described or highlighted in the safety information for Mydocalm.

Q: What happens if a large amount of Mydocalm is taken?

A: Official labeling provides information on the potential risks of acute overdose. It indicates that taking a large amount may be life-threatening and can lead to severe neurological symptoms, such as seizures and coma. Cardiovascular and respiratory issues are also noted in the overdose section of the official prescribing information.

Q: Can Mydocalm be crushed or split?

A: Official administration instructions specify that Mydocalm is a film-coated tablet. These instructions require the tablet to be swallowed whole. Regulatory guidance is provided to ensure proper delivery of the medication.

Q: Does Mydocalm interact with herbal supplements?

A: The active ingredient is metabolized by specific liver enzymes, primarily CYP2D6. According to regulatory safety information, this metabolic pathway can be influenced by other substances. This potential for pharmacokinetic interactions means various substances, including herbal products, may affect the drug's action.

Q: Does the efficacy of Mydocalm change over time?

A: Regulatory overviews of the research evidence note that studies primarily cover short-term use. Data on the long-term effects of Mydocalm, including whether its efficacy may change over extended periods of use (such as developing tolerance), are not fully established.

Q: Does Mydocalm interact with common pain relievers like ibuprofen?

A: Official product information indicates a pharmacodynamic interaction between Mydocalm and Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), which includes medicines like ibuprofen. The regulatory guidance states that Mydocalm can potentiate the effects of NSAIDs. Therefore, a dose adjustment of the co-administered NSAID may need to be considered.

Q: Is Mydocalm safe for elderly patients?

A: Official safety information highlights that older adults are one patient population noted to have a higher risk of experiencing hypersensitivity reactions. For this reason, regulatory guidance specifies caution is advised for use in this group.

Q: Are there age limits or restrictions for taking Mydocalm?

A: Regulatory documents note that the safety and efficacy of Mydocalm have primarily been studied in adults. Therefore, official guidance states that use in children and adolescents under the age of 18 is generally discouraged due to limited safety and efficacy data in that specific population.

Q: Can Mydocalm be taken long-term?

A: Studies supporting the use of Mydocalm primarily address short-term safety and efficacy, often in the range of a few weeks. Official regulatory overviews indicate that the long-term effects of the drug are not fully established due to a limited evidence base for extended use.

Q: How does Mydocalm work differently than benzodiazepine muscle relaxants?

A: Mydocalm’s documented mechanism involves the non-competitive inhibition of voltage-gated ion channels within the nervous system. Furthermore, regulatory information notes that it has a low potential for causing sedation. This low sedation potential is a distinguishing characteristic when compared to other muscle relaxants that may primarily act as general central nervous system depressants.

Q: What should I do if I experience a rash while taking Mydocalm?

A: Official product labeling classifies a rash as a potential adverse reaction to Mydocalm. A rash can be an initial sign of a severe systemic hypersensitivity reaction. Such reactions have been documented in post-marketing surveillance and may progress to more serious conditions like anaphylactic shock.

Q: Is Mydocalm used for conditions outside of muscle spasms?

A: The two primary uses for Mydocalm are the reduction of pathologically increased muscle tone (spasticity) and the treatment of acute back muscle spasm. Official research overviews indicate that evidence for many other applications outside of these studied areas is limited.

Q: Does Mydocalm affect driving ability?

A: Regulatory documents include warnings about the drug’s potential to affect alertness and psychomotor functions. Therefore, official guidance includes warnings regarding the performance of tasks that require concentration, such as driving or operating machinery.

Q: Is Mydocalm used for pain management, or only for muscle relaxation?

A: Mydocalm's official pharmacological class is a centrally acting muscle relaxant. Studies have reported that the reduction of muscle hypertonicity or spasm is associated with an improvement in patient-reported pain scores. Therefore, the effect on pain management is related to its primary action of relaxing the muscle.

Q: Is Mydocalm effective for tension headaches caused by muscle tightness?

A: Mydocalm's official indications are limited to pathologically increased muscle tone (spasticity) and acute muscle spasm. Tension headaches are not listed in regulatory documents as an approved indication for the medication.

Q: Do official documents mention Mydocalm's use for joint pain?

A: Official regulatory documentation specifies that the approved indications for Mydocalm relate specifically to muscle tone and spasm. Joint pain is not listed in the official documents as an approved use for this medication.

Q: Is the evidence for Mydocalm's effectiveness considered strong by regulators?

A: Official overviews of the research evidence note that the evidence base supporting Mydocalm is a mix of high-standard trials and older studies. It is also noted that the evidence is limited regarding long-term effects and comparative data against all other muscle relaxants.

Q: Is Mydocalm a type of central nervous system (CNS) depressant?

A: Mydocalm is officially classified as a centrally acting muscle relaxant because it acts on the central nervous system. However, regulatory information specifically notes that the drug has a low potential for causing sedation. This is a distinguishing factor compared to other drugs often categorized as classical CNS depressants.

How should Mydocalm be stored and disposed of?

How to Store and Dispose of Mydocalm (Tolperisone)

Official regulatory guidelines dictate specific conditions for storing and discarding Mydocalm to maintain product stability and ensure safety.


Storage Requirements

The medicine must be stored at a temperature not exceeding 30 C in a cool and dry place, and must be protected from light. It is essential to avoid freezing and high heat. The container must be kept tightly closed and stored out of the reach of children. The labeled shelf-life for the tablets is typically 24 months when stored correctly.


Disposal Instructions

Unused or expired Mydocalm must be disposed of in accordance with local/regional/national regulations. Do not flush the medication down a toilet or pour it into a drain; avoid release to the environment. Disposal should involve offering the product to a licensed disposal company as required by law.

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

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