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AbobotulinumtoxinA is a prescription drug that helps relieve neck pain and abnormal head position; it also improves the appearance of wrinkles between the eyebrows. The medicine comes in the form of an injection and works by decreasing nerve signals to the muscles. Most people tolerate it well, but side effects can include problems such as droopy eyelids, headaches, and difficulty swallowing.

What Is AbobotulinumtoxinA?

AbobotulinumtoxinA (Dysport®) is a prescription injection that is approved to:
  • Temporarily improve the appearance of wrinkles between the eyebrows (frown lines)
  • Relieve neck pain and abnormal head position associated with cervical dystonia (a certain kind of muscle spasm of the head and neck).
(Click What Is AbobotulinumtoxinA Used For? for more information, including possible off-label uses.)

Possible Side Effects

Just like any drug, abobotulinumtoxinA may cause side effects. However, not everyone who receives the injections will experience problems. In fact, most people tolerate it well, with only minor side effects, if any. If adverse reactions do occur, in most cases, they are mild and either require no treatment or can be treated by you or your healthcare provider. Serious side effects are less common.
Some of the most common side effects seen with abobotulinumtoxinA include but are not limited to:
  • Droopy eyelids
  • Difficulty swallowing
  • Muscle pain
  • Dry mouth
  • Headache.
(Click Side Effects of AbobotulinumtoxinA to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
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AbobotulinumtoxinA Drug Information

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