Scorpion (centruroides) immune f(ab)2 (Intravenous)

Scorpion (Centruroides) immune F(ab)2 injection is used to treat scorpion stings. A scorpion sting may cause unusual eye movements, increased saliva, loss of muscle control, shortness of breath, slurred speech, difficulty breathing, or vomiting. This medicine is made from horse proteins that have been made immune to the scorpion’s venom.

This medicine should only be given by or under the direct supervision of a doctor.

Your doctor will closely monitor you or your child's progress while receiving this medicine. This will help your doctor determine if the medicine is effective and if you should continue treatment.

This medicine can cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and needs immediate medical attention. Call your doctor right away if you or your child experience a rash; itching; hoarseness; difficulty breathing; difficulty swallowing; or any swelling of hands, face, or mouth while receiving this medicine.

Call your doctor or the emergency department immediately if you or your child have a delayed allergic reaction or serum sickness, which can happen up to 14 days after receiving this medicine. Symptoms may include a rash, itchy skin, fever, a general feeling of being unwell, joint or muscle pain, unusual tiredness or weakness, or swollen, painful, or tender lymph nodes in the neck, armpit, or groin.

This medicine is made from horse blood. Some products made from horse blood have transmitted certain viruses to people who received them. The risk of getting a virus from medicines made from horse blood has been greatly reduced in recent years due to required testing of horses for certain viruses and testing during the production of these medicines. Although the risk is low, talk to your doctor if you have any concerns.

In deciding to use a medicine, you and your doctor need to consider the risks and benefits. For this medicine, consider the following:

Allergies

Inform your doctor if you have ever had any unusual or allergic reactions to this medicine or any other medicines. Also, let your healthcare professional know if you have any other allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Studies have not shown any specific problems in children that would limit the effectiveness of scorpion (centruroides) immune f(ab)2 injection.

Geriatric

Although studies on the effects of scorpion (centruroides) immune f(ab)2 injection in older adults have not been conducted, there have been no documented problems specific to older patients.

Breast Feeding

There are no adequate studies in women to determine the risk to infants when using this medication while breastfeeding. Consider the potential benefits and risks before taking this medication while breastfeeding.

Interactions with Medicines

Some medicines should never be used together, while others may be used together, even if an interaction might happen. In such cases, your doctor may adjust the dose or take other precautions. Inform 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 around the time of eating food or certain types of food due to possible interactions. Using alcohol or tobacco with some medicines may also cause interactions. Discuss with your healthcare professional about taking your medicine with food, alcohol, or tobacco.

Other Medical Problems

Having other medical problems may affect how this medicine works. Be sure to inform your doctor if you have any other medical issues, especially:

• Allergy to horse protein or
• Prior use of an antivenom containing horse protein—Use with caution. This may increase the risk of an allergic reaction.

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do, they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur:

Less common

• Chest pain
• confusion
• cough
• dizziness
• fast heartbeat
• feeling of discomfort
• fever or chills
• inflammation of the joints
• itching
• muscle aches
• rash
• shakiness and unsteady walk
• shortness of breath
• sneezing
• sore throat
• swelling of the eye
• swollen lymph glands
• tightness in the chest
• troubled breathing
• unsteadiness, trembling, or other problems with muscle control or coordination
• weakness
• wheezing

Incidence not known

• Fast, irregular, pounding, or racing heartbeat or pulse

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common

• Diarrhea
• difficulty with moving
• headache
• joint pain
• muscle cramping
• muscle pains or stiffness
• nausea
• runny nose
• swollen joints
• unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
• vomiting

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

In the U.S.

• Anascorp

Available Dosage Forms:

• Powder for Solution

Therapeutic Class: Antivenom

Find detailed information on biosimilars for this medication.

A nurse or other trained health professional will give you this medicine in a hospital. This medicine is given through a needle placed in one of your veins.