Nafarelin Dosing Calculator
Vial size, bacteriostatic water, and dose — converted to insulin-syringe units, pre-loaded with Nafarelin's documented doses.
Typical dose: 400 – 1,800 mcg/day
Nafarelin documented dose levels
| Phase | Dose | Frequency |
|---|---|---|
| 6 months | 400 mcg/day (one 200 mcg spray each nostril, AM and PM) | Twice daily |
| Until resumption of puberty is desired | 1600-1800 mcg/day (400 mcg per nostril dosing) | Twice daily (up to 3 times) |
Reconstitution quick reference
A 5 mg vial at a 400 mcg dose of Nafarelin, by how much bacteriostatic water you add:
| Bacteriostatic water | Concentration | U-100 syringe units per dose |
|---|---|---|
| 1 mL | 5 mg/mL | 8.0 units |
| 2 mL | 2.5 mg/mL | 16 units |
| 3 mL | 1.667 mg/mL | 24 units |
Different vial size or dose? The calculator above handles any combination.
Nafarelin dosing questions
What is a typical Nafarelin dose?
400 – 1,800 mcg/day
How many insulin-syringe units is a Nafarelin dose?
With a 5 mg vial reconstituted with 2 mL of bacteriostatic water, a 400 mcg dose measures 16 units on a U-100 insulin syringe. The calculator above recomputes this for your own vial size, water volume, and dose.
How often is Nafarelin taken?
Twice daily
Educational information only — not medical advice. Always consult a qualified healthcare provider.