Antivenom (centruroides Scorpion) Side Effects

Medically reviewed by Drugs.com. Last updated on Mar 15, 2025.

Applies to antivenom (centruroides scorpion): intravenous powder for solution.

Precautions

Your doctor will check your or your child's progress closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it.

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

Call your doctor or the emergency department right away if you or your child have a delayed allergic reaction or serum sickness, which may occur up to 14 days after receiving this medicine. The symptoms may include a rash, itching skin, fever, general feeling of discomfort or illness, joint or muscle pain, unusual tiredness or weakness, or swollen, painful, or tender lymph glands in the neck, armpit, or groin.

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

Serious side effects

Along with its needed effects, antivenom (centruroides scorpion) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking antivenom (centruroides scorpion):

Other side effects

Some side effects of antivenom (centruroides scorpion) 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:

For healthcare professionals

Applies to antivenom (centruroides scorpion): intravenous powder for injection.

General adverse events

The most common adverse events were vomiting, pyrexia, rash, nausea, and pruritus.^[Ref]

Gastrointestinal

• Common (1% to 10%): Vomiting, nausea, diarrhea^[Ref]

Other

• Common (1% to 10%): Pyrexia, fatigue
• Postmarketing reports: Chest tightness^[Ref]

Dermatologic

• Common (1% to 10%): Rash, pruritus^[Ref]

Hypersensitivity

• Uncommon (0.1% to 1%): Serum sickness^[Ref]

Respiratory

• Common (1% to 10%): Rhinorrhea, cough
• Frequency not reported: Respiratory distress, aspiration, hypoxia, ataxia, pneumonia^[Ref]

Nervous system

• Common (1% to 10%): Headache, lethargy^[Ref]

Musculoskeletal

• Common (1% to 10%): Myalgia^[Ref]

Cardiovascular

• Postmarketing reports: Palpitations^[Ref]

Ocular

• Frequency not reported: Eye swelling^[Ref]

See also:

Further information

Antivenom (centruroides scorpion) side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer