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# Hepamerz (l-Ornithine l-Aspartate) ## Overview Hepamerz is a combination of the amino acids l-ornithine and l-aspartate. It is thought to reduce elevated ammonia levels in the blood by promoting its conversion to urea and glutamine in the liver and peripheral tissues. ## Primary Indications Treatment of latent and manifest hepatic encephalopathy (HE) associated with cirrhosis. ## Adult Dosing * **Oral:** 3 to 6 grams three times daily. The total daily dose should not exceed 18 grams. * **Intravenous (IV):** 5 to 10 grams twice daily, administered as an infusion over 30-60 minutes. Maximum IV dose is typically 20 grams per day, but local protocols may vary. ## Pediatric Dosing Data on pediatric use is limited. Dosing should be individualized and based on the severity of the condition and patient response. ## Dose Adjustments No specific dose adjustments are routinely recommended for renal or hepatic impairment, as the drug is intended for patients with liver disease. However, careful monitoring is essential. ## Contraindications * Known hypersensitivity to l-ornithine or l-aspartate. * Severe renal insufficiency (creatinine clearance < 25 mL/min) may warrant caution due to potential accumulation. ## Adverse Effects Generally well-tolerated. * Gastrointestinal: Nausea, vomiting, abdominal pain, diarrhea. * Other: Dizziness, headache, fatigue, skin rash. ## Key Drug Interactions No significant drug interactions have been clearly established. ## Monitoring * Serum ammonia levels. * Neurological status (mental status, asterixis). * Renal function. ## Clinical Pearls * Hepamerz is most effective when ammonia levels are elevated. * For oral administration, it can be mixed with water, juice, or tea. * IV administration is generally used for more acute or severe presentations of HE. *** *Disclaimer: This information is intended for healthcare professionals. Always consult the official prescribing information and relevant clinical guidelines for the most current and comprehensive drug information before making any treatment decisions.*