What Are the Side Effects of NEUROBLOC® and MYOBLOC®?
Like all botulinum toxin treatments, NEUROBLOC® and MYOBLOC® may cause side effects. Most reactions are mild and temporary, while serious complications are rare but require immediate medical attention.
Common NEUROBLOC® and MYOBLOC® Side Effects
The most frequently reported side effects include:
Flu-like symptoms
Cough
Runny nose
Headache
Dizziness
Drowsiness
Back or neck pain
Dry mouth
Dry eyes
Nausea
Indigestion
Sweating
Anxiety
Sensitivity to light
Muscle weakness near the injection site
Pain, tenderness, redness, or swelling at the injection site
Serious NEUROBLOC® and MYOBLOC® Side Effects
Although uncommon, patients should seek immediate medical attention if they experience:
Difficulty swallowing or breathing
Wheezing or shortness of breath
Chest pain
Irregular heartbeat
Blurred or double vision
Drooping eyelids
Severe muscle weakness or paralysis
Fever or chills
Pneumonia
Loss of bladder control
Changes in speech
Swelling of the hands or feet
Allergic reactions, including swelling of the face, lips, mouth, or tongue, hives, rash, chest tightness, or difficulty breathing
In rare cases, the effects of the botulinum toxin may spread beyond the injection site, potentially causing serious health complications.
Most side effects occur within the first few days after treatment and resolve on their own. However, patients should always contact their healthcare provider if symptoms persist, worsen, or if they experience any severe reactions. Always receive NEUROBLOC® or MYOBLOC® injections from a qualified medical professional to minimize the risk of complications.
