Eperisone hydrochloride (4'-ethyl-2-methyl-3-piperidinopropiophenone hydrochloride) is an antispastic agent used for the treatment of muscle stiffness and pain. It works by relaxing skeletal muscles and improving blood circulation, making it effective for conditions such as spasticity, musculoskeletal disorders, and neurological conditions affecting muscle control. Eperisone is commonly prescribed for cervical spondylosis, low back pain, and post-stroke spasticity.
Parent: Eperisone
Parent: Eperisone
Parent: Eperisone
Impurities in Eperisone can arise from chemical synthesis, degradation, or storage conditions. Regulatory agencies such as the FDA, EMA, and ICH set strict impurity limits to ensure its quality, safety, and efficacy.
Process-Related Impurities
• Unreacted intermediates from synthesis
• Residual solvents (e.g., methanol, ethanol, dichloromethane)
• By-products formed during manufacturing
Degradation Impurities
• Oxidation products due to light or oxygen exposure
• Hydrolysis impurities caused by moisture
• Thermal degradation products under high temperatures
Elemental Impurities
• Heavy metal residues from catalysts used in synthesis
• Trace levels of lead, arsenic, cadmium, and mercury
Analytical Techniques for Impurity Detection
• High-Performance Liquid Chromatography (HPLC)
• Gas Chromatography (GC)
• Fourier-Transform Infrared Spectroscopy (FT-IR)
• Mass Spectrometry (MS)
Eperisone is used for the treatment of muscle stiffness, spasticity, and pain-related conditions, including:
• Cervical and lumbar spondylosis
• Post-stroke spasticity
• Lower back pain and muscle spasms
• Spinal cord disorders affecting muscle function
• Neuromuscular diseases causing muscle stiffness
• Yes, Eperisone can be taken daily as prescribed by a doctor.
• The usual dose is 50–150 mg per day, divided into multiple doses.
• Long-term use should be monitored to assess efficacy and side effects.
• It should be taken after meals to reduce gastrointestinal side effects.
• Eperisone is metabolized in the liver and excreted in urine, so caution is advised in patients with kidney disease.
• Patients with renal impairment should use it under medical supervision.
• Dosage adjustments may be required for those with severe kidney dysfunction.
• Yes, Myonal (Eperisone) is a muscle relaxant used to relieve muscle spasms and stiffness.
• It works by reducing excessive nerve impulses to muscles, leading to muscle relaxation and improved blood flow.
• It is commonly used for musculoskeletal pain, neurological disorders, and post-stroke recovery.
