Antivenin (black widow spider) Side Effects

For the Consumer

Applies to antivenin (black widow spider): parenteral powder for injection

Side effects include:

Sensitivity reactions, muscle cramps.

For Healthcare Professionals

Applies to antivenin (black widow spider): injectable powder for injection

Hypersensitivity

Frequency not reported: Hypersensitivity reactions including anaphylaxis and serum sickness^[Ref]

Musculoskeletal

Frequency not reported: Muscle cramps

Not all side effects for antivenin (black widow spider) may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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