SnakeBite911 17+

Be prepared if a snake strikes

BTG plc

Designed for iPad

    • 3.2 • 17 Ratings
    • Free



*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.

• 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.

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.

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).

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, which includes the full Prescribing Information. To report suspected adverse reactions, contact 1-877-377-3784 or FDA at 1-800-FDA-1088 or

What’s New

Version 4.4.7

Bug fixes and improvements

Ratings and Reviews

3.2 out of 5
17 Ratings

17 Ratings

Keg421 ,

Texas Coral Snake not listed in Texas snakes

When looking under the snakes in Indiana, I saw that it lists the coral snake and even lists the Texas coral snake as a subspecies of coral snakes in the US. However it is not listed under snakes in Texas, any reason why it isn’t?

Developer Response ,

Thank you for your feedback and highlighting this discrepancy. The focus of SnakeBite911 is on North American Pit Vipers. Given that the coral snake does not fall into this category, we will be removing them from the Snake Education Center in the near future.

mike3761 ,

Algorithm needs review

I review the treatment algorithm periodically. The app recommends keeping the affected limb at or slightly above heart level. Venom docs are now recommending elevating the affected limb up to 45 degrees when possible. I didn’t notice anything else but this is probably a good time to have it reviewed. Also, in keeping with “time is tissue”, a tool or advice aimed at finding facilities with significant stocks of anti-venom would be valuable. Maybe poison control has that information, IDK. I wouldn’t want to arrive at an ER only to find out that they only stock six vials of Crofab and just used them on someone else. I’d rather drive another thirty minutes to a facility that was properly stocked.

TimtheToolGuy ,

Used to be a great app

There is no longer a quick way to see which of the local trauma centers has crofab in stock. As the stocking levels are irregular, it was a tremendously valuable feature, as there is no point in turning up at one of two equidistant trauma centers, if it only has a single dose in stock, and the other has 14.

I can teach myself species ID on Wikipedia. For me, the value was entirely in the stocking levels.

Developer Response ,

Thank you for your feedback. The hospital locator can be found on the CroFab website at

App Privacy

The developer, BTG plc, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

You Might Also Like