Sonperi Sustained-Release Tablets (Eperisone Hydrochloride)

Adult dose

This medication is a sustained-release tablet and should be taken whole without crushing, splitting, or chewing. Administer orally after meals at a dose of 1 tablet (75 mg of eperisone hydrochloride) twice daily. Adjust dose as appropriate based on age and symptoms.

This medication should not be used in patients with hypersensitivity to it or those with myasthenia gravis. Use with caution in patients with a history of hypersensitivity to the drug or liver function issues. Care is needed as liver function may worsen. Patients should be monitored for allergic reactions or symptoms such as skin rashes, itching, hives, swelling, and difficulty breathing while taking this medication. If any of these symptoms occur, discontinue use immediately and seek appropriate treatment. Additionally, if serious skin reactions such as fever, erythema, blisters, conjunctival injection, or stomatitis occur, stop taking the medication and seek medical attention. Occasionally, side effects such as elevated liver enzymes, proteinuria, anemia, insomnia, drowsiness, headache, digestive issues, urinary retention, etc., may occur, so consult a physician if unusual symptoms arise. Drowsiness, dizziness, or weakness may occur while taking this medication, so avoid operating dangerous machinery or driving. Women who are pregnant or may become pregnant should only use this medication if the benefits outweigh the risks, as its safety has not been established. During breastfeeding, this medication should be avoided if possible, and if it must be used, it is advisable to discontinue breastfeeding. Safety in pediatric patients has not been sufficiently confirmed, so caution is advised when using in children. Elderly patients may have decreased physical function, so dosage should be adjusted and monitored carefully. Finally, when taken with similar drugs or certain muscle relaxants, vision disturbances may occur; therefore, always consult a physician or pharmacist when taking this medication with others.

Serious side effects

Hives, severe swelling (edema), chest tightness, difficulty breathing, shock and anaphylactic reactions, toxic epidermal necrolysis (Lyell's syndrome), mucocutaneous syndrome (Stevens-Johnson syndrome), severe rash with fever, blisters, skin peeling, pain in oral/ocular mucosa, fever, erythema, itching, conjunctival injection, stomatitis, anaphylaxis, angioedema

Mild side effects

• Headache
• insomnia
• drowsiness
• limb paralysis
• muscle rigidity
• tremors
• nausea
• vomiting
• loss of appetite
• gastrointestinal discomfort

This medication should be stored in a tightly closed container to protect it from air and moisture. It is important to maintain a storage temperature between 1 degree and 30 degrees Celsius.

Appearance

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

Package unit

30 tablets/bottle