Botulinum toxin type A

Allergan | Botulinum toxin type A (Medication)


OnabotulinumtoxinA is an injectable neuro-toxin, that is, a toxic chemical that blocks the ability of nerves to make muscles contract. In other words, it paralyzes muscles.

OnabotulinumtoxinA for injection is a sterile, vacuum-dried purified botulinum toxin type A, produced from fermentation of Hall strain Clostridium botulinum type A, and intended for intramuscular and intradermal use. ...

Side Effect:

In general, adverse events occur within the first week following injection of onabotulinumtoxinA and while generally transient, may have a duration of several months or longer. Localized pain, infection, inflammation, tenderness, swelling, erythema, and/or bleeding/bruising may be associated with the injection. Therefore, adverse events observed with the use of onabotulinumtoxinA Cosmetic also have the potential to be observed with the use of onabotulinumtoxinA and vice-versa. ...


Before using this medication, tell your health provider if you have any type of allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems.

Before using this medication, tell your doctor your medical history, especially of:bleeding problems, eye surgery, certain eye problem (glaucoma), heart disease, signs of infection near the injection site, muscle/nerve disorders such as Lou Gehrig's disease (ALS) or myasthenia gravis, seizures, trouble swallowing (dysphagia), breathing problems (such as asthma, emphysema, aspiration-type pneumonia).

This drug may make cause muscle weakness, droopy eyelids, or blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages. Before having surgery, tell your doctor or dentist that you are using this medication.

Caution is advised if using this drug in children for muscle spasms, because they may be more sensitive to its possible side effects (such as difficulty breathing or swallowing). During pregnancy and breastfeeding do not use this medicine without your doctor advice. ...