Lefisyo

Levomethadone Hydrochloride, the active ingredient in Lefisyo, is an opioid analgesic presented as an oral formulation for systemic use. It is employed to manage severe chronic pain in adult patients requiring strong opioid therapy.

GNH USA supplies Lefisyo as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, ensuring quality and regulatory compliance across all markets. The company provides reliable sourcing, documentation and logistics support for global healthcare providers.

Levomethadone Hydrochloride acts as a potent opioid analgesic and is used in the management of severe pain conditions.

- Severe chronic pain: provides potent analgesia for patients with high pain intensity. - Cancer‑related pain: helps control breakthrough and persistent pain in oncology patients. - Opioid dependence: used in maintenance therapy to reduce withdrawal symptoms and support recovery.

Levomethadone Hydrochloride may cause a range of adverse reactions, which vary in frequency and severity.

Common Side Effects: - Nausea: feeling of sickness or urge to vomit. - Constipation: reduced bowel movements and hard stools. - Drowsiness: increased sleepiness or fatigue. - Dry mouth: reduced salivation leading to a parched feeling.

Serious or Rare Side Effects: - Respiratory depression: slowed or shallow breathing that can be life‑threatening. - Hypotension: significant drop in blood pressure causing dizziness. - QT interval prolongation: cardiac rhythm changes that may lead to arrhythmias. - Severe allergic reaction: rash, swelling, or anaphylaxis requiring immediate medical attention.

When prescribing or dispensing Levomethadone Hydrochloride, several safety measures should be observed.

- Assess pain level: confirm that opioid therapy is appropriate for the patient’s condition. - Monitor for respiratory depression: observe breathing especially after dose adjustments. - Evaluate for signs of dependence: use caution in patients with a history of substance abuse. - Avoid concurrent CNS depressants: limit use with benzodiazepines, alcohol, or other sedatives. - Store at ambient temperature: keep below 25°C, in the original packaging, and protect from moisture.

Levomethadone Hydrochloride can interact with other medicines, requiring careful management.

Major Interactions (Avoid): - Benzodiazepines: increased risk of respiratory depression. - Other opioids: additive central nervous system depression. - CYP3A4 inhibitors (e.g., ketoconazole): may raise levomethadone plasma levels. - MAO inhibitors: risk of severe hypotension.

Moderate Interactions (Monitor Closely): - CYP3A4 inducers (e.g., rifampin): may reduce levomethadone efficacy. - Serotonergic drugs: potential for serotonin syndrome. - Alcohol: enhances sedative effects and may increase respiratory risk.