Europe — EMA
Normosang (Human Hemin)
GNH USA supplies Normosang (Human Hemin), a heme preparation for acute intermittent porphyria attacks. Request a quote for supply to hospitals and pharmacies.
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What is Human Hemin?
Human Hemin, the active ingredient in Normosang, is a heme preparation presented as an injectable solution for intravenous use. It treats acute intermittent porphyria attacks in patients with a confirmed diagnosis of acute porphyria. GNH USA supplies Normosang as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals worldwide.
What is Human Hemin used for?
Normosang is used to manage acute porphyria disorders by supplying exogenous heme and reducing toxic precursor buildup. - Acute intermittent porphyria: shortens the duration and severity of attacks. - Acute hepatic porphyria: helps control neurovisceral symptoms during crises. - Porphyria‑related neurovisceral attacks: mitigates pain, nausea and autonomic dysfunction.
What are the side effects of Human Hemin?
Common Side Effects: - Infusion site pain or phlebitis. - Nausea or vomiting. - Headache. - Fever or chills. - Transient hypertension.
Serious or Rare Side Effects: - Anaphylactic or severe hypersensitivity reactions. - Hemolysis, especially in patients with G6PD deficiency. - Acute renal impairment or failure. - Severe hypotension. - Thrombophlebitis extending beyond the infusion site.
What precautions apply to Human Hemin?
Precautions should be observed when administering Normosang to ensure patient safety. - Monitor liver function: assess hepatic enzymes before and during therapy. - Monitor renal function: check creatinine and urine output regularly. - Assess for iron overload: avoid repeated high‑dose courses without evaluation. - Avoid in patients with known hypersensitivity to hemin or its excipients. - Use under specialist supervision: administration should be directed by a physician experienced in porphyria management. - Store at 2-8°C: keep refrigerated, protect from light, do not freeze or shake.
What does Human Hemin interact with?
Human Hemin may interact with other medicines that affect porphyrin metabolism or coagulation. Major Interactions (Avoid): - Barbiturates (e.g., phenobarbital): can exacerbate porphyrin accumulation. - Sulfonamide antibiotics: increase risk of porphyria exacerbation. - Certain anticonvulsants (e.g., phenytoin, carbamazepine): may trigger attacks.
Moderate Interactions (Monitor Closely): - Oral contraceptives: may alter heme synthesis dynamics. - Iron supplements: risk of iron overload when combined with repeated hemin dosing. - Anticoagulants (e.g., warfarin): monitor INR as hemin can affect clotting parameters.



