Cetrorelix Dosing Calculator
Vial size, bacteriostatic water, and dose — converted to insulin-syringe units, pre-loaded with Cetrorelix's documented doses.
Typical dose: 0.25 – 3 mg
Cetrorelix documented dose levels
| Phase | Dose | Frequency |
|---|---|---|
| Days 4-9 | 0.25 mg | Once every 24 hours |
| One dose covers at least 4 days; add 0.25 mg daily after if hCG is delayed | 3 mg | Single dose (one injection) |
Reconstitution quick reference
A 5 mg vial at a 3,000 mcg dose of Cetrorelix, by how much bacteriostatic water you add:
| Bacteriostatic water | Concentration | U-100 syringe units per dose |
|---|---|---|
| 1 mL | 5 mg/mL | 60 units |
| 2 mL | 2.5 mg/mL | 120 units |
| 3 mL | 1.667 mg/mL | 180 units |
Different vial size or dose? The calculator above handles any combination.
Cetrorelix dosing questions
What is a typical Cetrorelix dose?
0.25 – 3 mg
How many insulin-syringe units is a Cetrorelix dose?
With a 5 mg vial reconstituted with 2 mL of bacteriostatic water, a 3,000 mcg dose measures 120 units on a U-100 insulin syringe. The calculator above recomputes this for your own vial size, water volume, and dose.
How often is Cetrorelix taken?
Once every 24 hours
Educational information only — not medical advice. Always consult a qualified healthcare provider.