Black widow spider (latrodectus mactans) antivenin

Generic Name: black widow spider (latrodectus mactans) antivenin (Not applicable.)
Brand Name: Generic only. No brands available.

Black widow spider (latrodectus mactans) antivenin is used for:

Treating black widow spider bites.

Black widow spider (latrodectus mactans) antivenin is an antivenin. It works by neutralizing the venom from a black widow spider bite.

Do NOT use black widow spider (latrodectus mactans) antivenin if:

  • you are allergic to any ingredient in black widow spider (latrodectus mactans) antivenin

Contact your doctor or health care provider right away if any of these apply to you.

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Before using black widow spider (latrodectus mactans) antivenin:

Some medical conditions may interact with black widow spider (latrodectus mactans) antivenin. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you are allergic to horse serum
  • if you have a history of asthma

Some MEDICINES MAY INTERACT with black widow spider (latrodectus mactans) antivenin. However, no interactions are known at this time.

Ask your health care provider if black widow spider (latrodectus mactans) antivenin may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use black widow spider (latrodectus mactans) antivenin:

Use black widow spider (latrodectus mactans) antivenin as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Black widow spider (latrodectus mactans) antivenin is usually administered as an injection at your doctor's office, hospital, or clinic.
  • If black widow spider (latrodectus mactans) antivenin contains particles or is discolored, or if the vial is cracked or damaged in any way, do not use it.
  • Black widow spider (latrodectus mactans) antivenin should be used as soon as possible to obtain relief.
  • Keep this product, as well as syringes and needles, out of the reach of children. Do not reuse needles, syringes, or other materials. Dispose of properly after use. Ask your doctor, nurse, or pharmacist to explain local regulations for proper disposal.
  • If you miss a dose of black widow spider (latrodectus mactans) antivenin, contact your doctor right away.

Ask your health care provider any questions you may have about how to use black widow spider (latrodectus mactans) antivenin.

Important safety information:

  • Sometimes, delayed allergic reactions may happen 8 to 12 days after receiving black widow spider (latrodectus mactans) antivenin. Discuss any questions or concerns with your doctor.
  • Allergic reactions and sometimes death have happened in people who have a history of asthma. Discuss any questions or concerns with your doctor.
  • Other medicines and treatment measures, such as warm baths, will help in relieving pain.
  • Black widow spider (latrodectus mactans) antivenin is made from horse serum. Sensitivity tests may be required if you have ever had an allergic reaction to products from horses.
  • LAB TESTS may be performed to monitor your progress or to check for side effects. Be sure to keep all doctor and lab appointments.
  • PREGNANCY and BREAST-FEEDING: If you are pregnant, discuss with your doctor the benefits and risks of using black widow spider (latrodectus mactans) antivenin during pregnancy. It is unknown if black widow spider (latrodectus mactans) antivenin is excreted in breast milk. If you are or will be breast-feeding while you are using black widow spider (latrodectus mactans) antivenin, check with your doctor or pharmacist to discuss the risks to your baby.

Possible side effects of black widow spider (latrodectus mactans) antivenin:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Muscle cramps.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing or swallowing; tightness in the chest; swelling of the mouth, face, lips, or tongue).

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of black widow spider (latrodectus mactans) antivenin:

Black widow spider (latrodectus mactans) antivenin is handled and stored by a health care provider. Keep black widow spider (latrodectus mactans) antivenin out of the reach of children and away from pets.

General information:

  • If you have any questions about black widow spider (latrodectus mactans) antivenin, please talk with your doctor, pharmacist, or other health care provider.
  • Black widow spider (latrodectus mactans) antivenin is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take black widow spider (latrodectus mactans) antivenin or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about black widow spider (latrodectus mactans) antivenin. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to black widow spider (latrodectus mactans) antivenin. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using black widow spider (latrodectus mactans) antivenin.

Issue Date: July 2, 2014
Database Edition 14.3.1.001
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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