Free Rabies Vaccination Schedule Calculator (Essen & Zagreb)
Instant Essen and Zagreb post-exposure rabies vaccination schedule with next-dose dates and RIG guidance. 100% free tool for doctors and clinics in India.
Anil KumarHealthcare IT Consultant16 July 20265 min read
Rabies has 100% mortality once symptoms start. Getting the post-exposure prophylaxis (PEP) schedule right — with correct dates for every follow-up — is life-saving. Our Free Rabies Vaccination Schedule Calculator generates it in seconds.
WHO wound categories
| Category | Exposure | Treatment |
|---|---|---|
| I | Touching/feeding, intact skin licks | None |
| II | Nibbling, minor scratches, no bleeding | Vaccine only |
| III | Transdermal bites, mucosal contact, bat exposure | Vaccine + RIG |
How to generate the PEP schedule in 3 steps
- Enter exposure date — usually today's date.
- Choose schedule — Essen (5-dose IM) or Zagreb (2-1-1 IM). ID schedules also supported.
- Select wound category — the tool auto-adds RIG for Cat III.
The dated schedule prints instantly with each dose date, and the patient can save it to WhatsApp.
Essen vs Zagreb — side-by-side
| Feature | Essen (5-dose IM) | Zagreb (2-1-1 IM) |
|---|---|---|
| Dose days | 0, 3, 7, 14, 28 | 0 (×2), 7, 21 |
| Total visits | 5 | 3 |
| Route | IM deltoid | IM (both deltoids day 0) |
| Best for | Standard OPD | Patients who may skip visits |
When is RIG needed?
Rabies immunoglobulin (RIG) is indicated for Category III exposures in patients who have never been vaccinated. Dose: 20 IU/kg (HRIG) or 40 IU/kg (ERIG), infiltrated in and around the wound. The tool calculates volume by body weight automatically.
Free tool vs full clinic system
| Feature | Free Tool | SmartClinic India |
|---|---|---|
| Dated PEP schedule | ✅ | ✅ |
| WhatsApp reminders on each dose day | — | ✅ |
| Auto-populate vaccination card | — | ✅ |
| Inventory-linked billing | — | ✅ |
👉 Create a free clinic account with automated ARV reminders
Frequently Asked Questions
What is the Essen rabies vaccination schedule?
Five intramuscular doses of the rabies vaccine on days 0, 3, 7, 14 and 28 from the day of exposure. It's the standard WHO-approved regimen worldwide.
What is the Zagreb 2-1-1 schedule?
Two IM doses on day 0 (one in each deltoid) followed by single IM doses on days 7 and 21 — only 3 visits total instead of 5.
When is rabies immunoglobulin (RIG) required?
For WHO Category III exposures (bites through the skin, mucosal contact, or bat exposure) in patients who have never been previously vaccinated. Dose is 20 IU/kg (HRIG) or 40 IU/kg (ERIG).
Can PEP be started late?
Yes — PEP is effective as long as symptoms haven't started. Even after weeks, start vaccination immediately.
Is the calculator free?
Yes, no signup, no limits.
Which schedule should I choose for a new patient?
Essen for reliable OPD follow-up; Zagreb (2-1-1) when the patient is likely to skip visits. Both are equally efficacious per WHO.
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Healthcare IT Consultant
The Smart Clinic India editorial team writes about clinic management, GST billing, pharmacy, and digital healthcare best practices for Indian clinics and hospitals.