Buserelin Dosing Calculator
Vial size, bacteriostatic water, and dose — converted to insulin-syringe units, pre-loaded with Buserelin's documented doses.
Typical dose: 200 – 500 mcg · subcutaneous
Buserelin documented dose levels
| Phase | Dose | Frequency | Route |
|---|---|---|---|
| First 7 days | 500 mcg | Every 8 hours (3 times daily) | Subcutaneous |
| Ongoing maintenance | 200 mcg | Once daily | Subcutaneous |
| Ongoing maintenance | 400 mcg (2 sprays per nostril) | 3 times daily (1,200 mcg/day) | Intranasal |
| Long-term | 6.3 mg | Once every 2 months | Implant |
| Long-term | 9.45 mg | Once every 3 months | Implant |
Reconstitution quick reference
A 5 mg vial at a 200 mcg dose of Buserelin, by how much bacteriostatic water you add:
| Bacteriostatic water | Concentration | U-100 syringe units per dose |
|---|---|---|
| 1 mL | 5 mg/mL | 4.0 units |
| 2 mL | 2.5 mg/mL | 8.0 units |
| 3 mL | 1.667 mg/mL | 12 units |
Different vial size or dose? The calculator above handles any combination.
Buserelin dosing questions
What is a typical Buserelin dose?
200 – 500 mcg · subcutaneous
How many insulin-syringe units is a Buserelin dose?
With a 5 mg vial reconstituted with 2 mL of bacteriostatic water, a 200 mcg dose measures 8.0 units on a U-100 insulin syringe. The calculator above recomputes this for your own vial size, water volume, and dose.
How often is Buserelin taken?
Every 8 hours (3 times daily)
Educational information only — not medical advice. Always consult a qualified healthcare provider.