Miofenil SR Extended-Release Tablets (Eperisone Hydrochloride)

Adult dose

This medication is an extended-release tablet, which should be taken whole without crushing, splitting, or chewing. Adults should take 1 tablet (75 mg of eperisone hydrochloride) orally after meals, twice a day. Dosage may be adjusted according to age and symptoms.

This medication should not be used in patients with hypersensitivity to this drug or in patients with severe myasthenia gravis. Patients with a history of hypersensitivity to the drug or liver function issues should use this medication with caution as liver function may worsen. While taking this medication, rare allergic reactions or severe skin conditions may occur; therefore, if symptoms such as redness, itching, urticaria, swelling, shortness of breath, fever, blisters, or conjunctival injection appear, the medication should be discontinued immediately and medical attention should be sought. Various side effects, including abnormal liver or kidney function, blood abnormalities, neurological symptoms, gastrointestinal issues, and urinary symptoms, may occur, so the patient's condition should be monitored closely. In clinical studies and post-marketing surveillance, side effects such as dizziness, headache, drowsiness, dyspepsia, diarrhea, and localized edema have been reported, and it is advisable to consult a healthcare professional if these symptoms occur. Feeling weak, unsteady, or drowsy may occur while taking this medication, so it is advisable to avoid driving or operating dangerous machinery. If used in combination with other muscle relaxants, there may be an interaction that causes vision impairment, so caution is needed when co-administering. Women who are pregnant or may become pregnant should consult a doctor before taking this medication, and nursing mothers should avoid use if possible or discontinue breastfeeding. Safety in children has not been fully established, so it should be used with caution in pediatric patients. Elderly patients may have decreased physical function, so special caution such as adjusting the dosage is required.

Serious side effects

Urticaria, severe swelling (edema), tightness in the chest, difficulty breathing, shock and anaphylactic reactions, toxic epidermal necrolysis (Lyell's syndrome), mucocutaneous syndrome (Stevens-Johnson syndrome), severe rashes, blisters, skin peeling, pain in mouth/eye mucosa, anaphylaxis, angioedema

Mild side effects

• Nausea
• vomiting
• loss of appetite
• discomfort in the stomach
• thirst
• constipation
• diarrhea
• abdominal pain
• bloating
• stomatitis

This medication should be stored in a tightly closed container to protect it from air and moisture. Additionally, it is best stored at room temperature between 1°C and 30°C. Avoiding excessively hot or cold places is important to maintain the drug's effectiveness.

Appearance

White to almost white round extended-release film-coated tablets

Package unit

30 tablets/bottle, 500 tablets/bottle