Botulinum toxin A, also known as Botox, is a neurotoxic protein that is produced by the bacterium Clostridium botulinum. This substance is commonly used in the medical and cosmetic industries due to its ability to temporarily reduce muscle activity and smooth out wrinkles. There are several synonyms for botulinum toxin A, including OnabotulinumtoxinA, AbobotulinumtoxinA, IncobotulinumtoxinA, and RimabotulinumtoxinB. Although these terms may sound quite similar, they actually represent different brands and types of botulinum toxin A. It is important to speak with a medical professional to determine which type of botulinum toxin A is most appropriate for your specific needs and treatment goals.