IncobotulinumtoxinA Side Effects
It is possible that some side effects of incobotulinumtoxinA may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
For the Consumer
Applies to incobotulinumtoxinA: intramuscular powder for solution
As well as its needed effects, incobotulinumtoxinA may cause unwanted side effects that require medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur while taking incobotulinumtoxinA:More common—for cervical dystonia
- Difficulty with swallowing
- muscle or bone pain
- muscle weakness
- pain in the neck
- Dry eyes
- Itching, pain, redness, or swelling at the injection site
- pain in the face
- swelling of the eyelids
- Changes in patterns and rhythms of speech
- fast heartbeat
- joint pain, stiffness, or swelling
- muscle spasm
- pain at the injection site
- redness of the skin
- shortness of breath
- slurred speech
- swelling of the eyes or eyelids
- swelling of the face, lips, hands, or feet
- tightness in the chest
- trouble with speaking
- troubled breathing or swallowing
Some incobotulinumtoxinA side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:More common—for cervical dystonia
- lower back or side pain
- painful or difficult urination
- Blurred vision
- drooping upper eyelids
- dry mouth
- Difficult or labored breathing
- muscle aches
- sore throat
- stuffy or runny nose
- unusual tiredness or weakness
- Drooping of the eyelids
- increased blinking
- twitching of the eyelids
- Difficulty with moving
- joint pain
- muscle aching or cramping
- muscle pains or stiffness
- painful blisters on the trunk of the body
- swollen joints
For Healthcare Professionals
Applies to incobotulinumtoxinA: intramuscular powder for injection
Musculoskeletal side effects have included neck pain (7% to 15%), muscular weakness (7% to 11%), musculoskeletal pain (4% to 7%), and muscle spasm.
Gastrointestinal side effects have included dysphagia (13%), dry mouth (16%), diarrhea (8%), and nausea.
Nervous system side effects have included headache (7%).
Local side effects have included injection site pain (9%), injection site reaction, allergic dermatitis, localized allergic reactions like swelling, edema, erythema, pruritus or rash, and herpes zoster.
Ocular side effects have included eyelid ptosis (19%), dry eye (16%), visual impairment (12%), eye swelling, and eyelid edema.
Respiratory side effects have included nasopharyngitis (5%), respiratory tract infection (5%), and dyspnea (5%).
Immunologic side effects have included infections and infestations (13% to 14%). Postmarketing reports have included flu-like symptoms.
More about incobotulinumtoxinA
- Other brands: Xeomin
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