Antivenin (micrurus Fulvius) Side Effects

Medically reviewed by Drugs.com. Last updated on Mar 9, 2025.

Applies to antivenin (micrurus fulvius): intravenous powder for solution.

Serious side effects

Along with its needed effects, antivenin (micrurus fulvius) 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 immediately if any of the following side effects occur while taking antivenin (micrurus fulvius):

For up to 24 days after you have received North American coral snake antivenin, you may develop symptoms of a side effect called serum sickness. The severity of the symptoms and the length of the sickness depend on the amount of North American coral snake antivenin you were given and how long the treatment lasted. During this period of time check with your doctor if you notice any of the following side effects:

• fever
• redness of joints
• skin rash and itching
• swollen glands

For healthcare professionals

Applies to antivenin (micrurus fulvius): intravenous kit.

General adverse events

The most common adverse events were anaphylaxis, serum sickness, vomiting, and abdominal pain.

Hypersensitivity

• Frequency not reported: Anaphylaxis, serum sickness^[Ref]

Gastrointestinal

• Frequency not reported: Vomiting, abdominal pain

Dermatologic

• Very common (10% or more): Hives/rash/welts (12%)
• Common (1% to 10%): Itching, angioedema

Cardiovascular

• Common (1% to 10%): Hypotension

Respiratory

• Common (1% to 10%): Shortness of breath

See also:

Further information

Antivenin (micrurus fulvius) 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