Antivenin (crotalidae) polyvalent immune fab

Medically reviewed by Drugs.com. Last updated on Mar 11, 2022.

Commonly used brand name(s)

In the U.S.

Crofab

Available Dosage Forms:

Powder for Solution

Therapeutic Class: Antivenom

Uses for antivenin (crotalidae) polyvalent immune fab

Pit viper antivenin injection is used to treat the bites of certain poisonous snakes called pit vipers (crotalids), which are native to North America. This particular pit viper antivenin is made from the blood of sheep and is used to treat the bites of the following types of pit viper: the Western Diamondback, Eastern Diamondback, and Mojave rattlesnakes, and the Copperhead snake, Cottonmouth, or Water Moccasin.

Antivenin (crotalidae) polyvalent immune fab is to be given only by or under the direct supervision of your doctor.

Before using antivenin (crotalidae) polyvalent immune fab

In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For antivenin (crotalidae) polyvalent immune fab, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to antivenin (crotalidae) polyvalent immune fab or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of pit viper antivenin injection in children. Safety and efficacy have been established.

Geriatric

Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of pit viper antivenin injection in the elderly.

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Interactions with medicines

Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. Tell your healthcare professional if you are taking any other prescription or nonprescription (over-the-counter [OTC]) medicine.

Interactions with food/tobacco/alcohol

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Antivenin (crotalidae) polyvalent immune fab Intravenous