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Antivenin (micrurus fulvius) Side Effects

Medically reviewed by Last updated on Dec 15, 2023.

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):

More common

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:

For Healthcare Professionals

Applies to antivenin (micrurus fulvius): intravenous kit.


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


Frequency not reported: Anaphylaxis, serum sickness[Ref]


Frequency not reported: Vomiting, abdominal pain


Very common (10% or more): Hives/rash/welts (12%)

Common (1% to 10%): Itching, angioedema


Common (1% to 10%): Hypotension


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


1. Product Information. Antivenin (Micrurus Fulvius) (antivenin (Micrurus fulvius)). Wyeth-Ayerst Laboratories. PROD.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.