About c inhibitor
C1 esterase inhibitor replacement therapy
Used for
- Prevents hereditary angioedema attacks in adults and children.
- Treats acute hereditary angioedema attacks in adults and children.
Usual adult dose
Prevention: 1,000 units intravenously every 3–4 days. Acute attacks: 1,000 units intravenously; repeat if needed after one hour.
Usual dose in children
Prevention: ages 6–11, 500 units every 3–4 days; ages 12–17, 1,000 units every 3–4 days. Acute attacks: ages 2–11, 500–1,000 units; ages 12–17, 1,000 units intravenously.
Common side effects
- Headache
- Nausea
- Rash
- Injection-site reactions
Important warnings
- Severe allergic reactions, including anaphylaxis, can occur.
- Blood clots have been reported, especially with risk factors or high doses.
- Not for self-treatment of hereditary angioedema attacks unless specifically prescribed and trained.
- In emergencies involving throat swelling, seek urgent medical care.
Pregnancy
Use only when clearly needed; pregnancy safety data are limited.
Breastfeeding
It is unknown whether the medicine passes into breast milk; discuss risks and benefits with a clinician.
Interactions
- No major drug interactions are established.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.