What should I know about botulinum toxin type B before taking it?

Botulinum toxin type B (Myobloc) and other botulinum toxins can spread beyond the original injection site and cause toxic effects. Some of these effects are life-threatening and may occur hours or weeks after the injection. Do not get botulinum toxin type B injections from more than one physician, and if you change doctors inform him or her of your injection history. Use of this drug more often than prescribed increases the risk of serious side effects.

Tell your doctor if you have Lou Gehrig's Disease (amyotrophic lateral sclerosis, or ALS), myasthenia gravis, asthma or other breathing conditions, difficulty swallowing, bleeding disorders or Lambert-Eaton syndrome. Before receiving Myobloc, inform your doctor if you are planning to have surgery, are pregnant, want to become pregnant, are breastfeeding or have had botulinum toxin injections in the last four months. The effects of botulinum toxin type B are temporary and repeated use may cause your body to develop antibodies to it, making future injections less effective.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.