PAREXON Tablets (Eperisone Hydrochloride)

Adult dose

Adults: Administer 50 mg of eperisone hydrochloride orally three times a day after meals. Adjust dosage appropriately according to age and symptoms.

This medication should not be used in certain patients. First, it should not be administered to patients who have had an allergic reaction to this drug. Additionally, it should not be taken by patients with severe muscle weakness, such as in myasthenia gravis. This medication contains lactose, so patients with genetic disorders that prevent the digestion of lactose should also avoid it. Caution is also required for patients who have experienced allergic reactions to medications in the past or have poor liver function; this medication should be used with care. Monitoring by a physician is necessary as liver function may deteriorate. There may also be side effects associated with this medication. Rarely, allergic shock may occur, and if symptoms appear, the medication must be stopped immediately, and treatment should be sought. Liver function test values may increase, so regular testing is necessary. It may also affect kidney function, potentially showing proteinuria or abnormal blood tests. Symptoms of anemia should also be monitored. Skin rash or itching may occur, and mentally, symptoms such as insomnia, drowsiness, headache, and tingling in the limbs may arise. Gastrointestinal symptoms can include nausea, vomiting, reduced appetite, and abdominal pain. Urinary issues may present as difficulty in urinating. Systemically, weakness, dizziness, and reduced muscle tension may occur. Furthermore, serious side effects, such as Stevens-Johnson syndrome, have been reported rarely, so if symptoms such as fever, skin rash, blisters, eye redness, or oral inflammation occur, consult a doctor immediately. During the use of this medication, fatigue, instability, and drowsiness may occur, so dosage should be reduced or stopped if these symptoms arise. Due to possible drowsiness or reduced concentration, it is advisable to avoid driving or operating hazardous machinery. This medication may increase side effects when used with other muscle relaxants, so always consult a physician before concomitant use with other drugs. Women who are pregnant or likely to become pregnant should carefully consider the risks and benefits of using this medication. If breastfeeding, it is best to avoid taking it; if unavoidable, stopping breastfeeding is recommended. The safety for children has not been sufficiently verified, so caution is advised when used in pediatric populations. Elderly patients may have reduced physical function, so special attention, such as dose reduction, is required.

Serious side effects

Shock, liver dysfunction (increased ALT, AST, ALP), kidney abnormalities (proteinuria, increased BUN), anemia, anaphylactic reaction, angioedema, toxic epidermal necrolysis and mucocutaneous-ocular syndrome (Stevens-Johnson syndrome), severe allergic reactions, severe skin reactions.

Mild side effects

• Rash
• itching
• insomnia
• drowsiness
• headache
• body stiffness
• limb tremors
• nausea
• vomiting
• reduced appetite

This medication should be stored in a tightly sealed container to prevent air intrusion, and it is best to keep it at room temperature between 1 and 30 degrees Celsius. Proper storage will maintain the efficacy of the medication and prevent degradation.

Appearance

White round film-coated tablets

Package unit

30 tablets/bottle, 500 tablets/bottle