3.4
19 reviews
10K+
Downloads
Content rating
Everyone
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About this app

*New app! This new SnakeBite911 consolidates an older suite of apps (SnakeBite911ER, SnakeBite911FR and SnakeBite911) into one tool.
It features a refreshed design and a new emergency mode for quick access to core functionality.*

This useful guide can help educate you about North American venomous pit viper snakes (including rattlesnakes, copperheads and cottonmouths), how to best avoid them, and what to do and what NOT to do should a snake strike happen!
This app also works without signal.

Features
• Emergency support for snakebite emergencies
• Quick dial 911
• List of actions you should/shouldn’t take in supporting the snakebite victim
• Venom Tracker photo tool to log the spread of venom, which can help save diagnostic and treatment time when the victim gets to the ER
• Learn about North American venomous snakes and how to identify them
• Learn how to keep safe from snakes and avoid being bitten

The new SnakeBite911 app comes from the manufacturers of CroFab® CrotalidaePolyvalent Immune Fab (Ovine), a sheep-derived antivenin indicated for the management of adult and pediatric patients with North American crotalid envenomation. The term crotalid is used to describe the Crotalinae subfamily (formerly known as Crotalidae) of venomous snakes which includes rattlesnakes, copperheads and cottonmouths/water moccasins.

IMPORTANT SAFETY INFORMATION
CONTRAINDICATIONS
Do not administer CroFab® to patients with a known hypersensitivity to any of its components, or to papaya or papain unless the benefits outweigh the risks and appropriate management for anaphylactic reactions is readily available.

WARNINGS AND PRECAUTIONS
Coagulopathy: In clinical trials, recurrent coagulopathy (the return of a coagulation abnormality after it has been successfully treated with antivenin), characterized by decreased fibrinogen, decreased platelets, and elevated prothrombin time, occurred in approximately half of the patients studied; one patient required re-hospitalization and additional antivenin administration. Recurrent coagulopathy may persist for 1 to 2 weeks or more. Patients who experience coagulopathy due to snakebite should be monitored for recurrent coagulopathy for up to 1 week or longer. During this period, the physician should carefully assess the need for re-treatment with CroFab® and use of any type of anticoagulant or anti-platelet drug.

Hypersensitivity Reactions: Severe hypersensitivity reactions may occur with CroFab®. In case of acute hypersensitivity reactions, including anaphylaxis and anaphylactoid reactions, discontinue infusion and institute appropriate emergency treatment. Patients allergic to papain, chymopapain, other papaya extracts, or the pineapple enzyme bromelain may also have an allergic reaction to CroFab®. Follow-up all patients for signs and symptoms of delayed allergic reactions or serum sickness (e.g., rash, fever, myalgia, arthralgia).

ADVERSE REACTIONS
The most common adverse reactions (incidence ≥ 5% of subjects) reported in the clinical studies were urticaria, rash, nausea, pruritus and back pain. Adverse reactions involving the skin and appendages (primarily rash, urticaria, and pruritus) were reported in 12 of the 42 patients. Two patients had a severe allergic reaction (severe hives and a severe rash and pruritus) following treatment and one patient discontinued CroFab® due to an allergic reaction. Recurrent coagulopathy due to envenomation and requiring additional treatment may occur.
Find out more at www.CroFab.com, which includes the full Prescribing Information. To report suspected adverse reactions, contact 1-877-377-3784 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Updated on
Feb 9, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App activity and App info and performance
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

3.4
18 reviews
Brandon Diamond
March 13, 2026
App will not open. I have uninstalled/reinstalled multiple times. Does not work. I have used this app before and it was very helpful. Please provide fix.
2 people found this review helpful
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Mary Watts
March 25, 2026
App keeps crashing. I've had this app installed for quite a while but now it won't open. It just keeps crashing. I've uninstalled/reinstalled and get the same results. Please fix this!
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Cody Staub
September 9, 2020
(See update below) Useless app on Pixel 3 XL & 4a running Android 10. I tried using this with a patient who received a rattlesnake bite and all I got were blank screens. Not at all helpful and just wasted time. Update: after the developer responded I reinstalled the app on my Pixel 4a and it worked perfectly. I don't know why it didn't work that day I actually needed it, but it works now. Knocking off a star just because of that incident, but it seems to be a useful app when it's working.
13 people found this review helpful
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Protherics Medicines Development Limited
September 9, 2020
Thank you for your feedback and please accept our apologies for the issues you’re experiencing. We are investigating the issue and are not able to replicate the issue with a similar device. In order to help resolve it, we’d appreciate it if you would share details of the issue and screenshots to appledev@btgsp.com.

What’s new

Bug fixes

App support

About the developer
BTG International Inc.
snakebite911support@palladiumdigital.co.uk
300 Four Falls Corporate Center Ste 300 Conshohocken, PA 19428 United States
+44 7902 576726