Snakebite Severity and Antivenom Vials in Brazil (Ministry of Health)
Classes a snakebite in Brazil and gives the antivenom vials.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Type of accident
- Bothrops (jararaca)
- Local signs
- Evident swelling and bruising
- Bleeding
- None
- Low blood pressure or shock
- No
- Kidney failure or no urine
- No
- Clotting abnormality
- Yes
Result: Moderate Bothrops accident: 4-8 vials of SABr (or SABL or SABC).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Type of accident
- Local signs
- Bleeding
- Low blood pressure or shock
- Kidney failure or no urine
- Clotting abnormality (e.g. prolonged Lee-White)
- Lachesis: vagal signs (slow pulse, low BP, diarrhea)
- Crotalus: paralysis signs (drooping eyelids, blurred vision)
The other 2 fields
- Crotalus: muscle pain and dark urine
- Crotalus: low urine output
How this is calculated
Citation
Brasil, Ministério da Saúde. Guia de Vigilância em Saúde. 6th ed. revised, vol. 3. Brasília; 2024. Acidente ofídico, Quadro 1 (p. 1128) and general notes (p. 1153). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.