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Antivenin (Latrodectus mactans)
What is it? Overview Usage Side Effects and Warnings

What is Antivenin (Latrodectus mactans)?

(an tee VEN in lak tro DUK tus MAK tans)

• This medicine is used to treat black widow spider bites.

What are the precautions when taking this medicine?

• Check medicines with healthcare provider. This medicine may not mix well with other medicines.

• Tell healthcare provider if you are pregnant or plan on getting pregnant.

• Tell healthcare provider if you are breast-feeding.

What are some possible side effects of this medicine?

• Irritation where the shot is given.

• Severe allergic reactions can rarely occur.

Reasons to call healthcare provider immediately

• If you suspect an overdose, call your local poison control center or emergency department immediately.

• Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.

• Feeling extremely tired or...