LetibotulinumtoxinA Side Effects
Applies to letibotulinumtoxinA: intramuscular powder for injection.
General adverse events
The most common adverse reaction occurring in more than 2% of patients was headache. Adverse reactions may occur within the first few days following injection and may have a transient duration of up to several months or longer.[Ref]
Dermatologic
Gastrointestinal
- Rare (0.01% to 0.1%): Constipation, nausea, oral herpes
- Frequency not reported: Dysphagia[Ref]
Immunologic
- Uncommon (0.1% to 1%): Anti-drug antibodies
Local
- Common (1% to 10%): Injection site reaction
- Uncommon (0.1% to 1%): Injection site: Pain, pressure, bruising, swelling, pruritus, mass
- Rare (0.01% to 0.1%): Folliculitis, periorbital hematoma, contusion
- Frequency not reported: Injection site: Nodule, inflammation, tenderness, erythema, itching, bleeding[Ref]
Metabolic
- Rare (0.01% to 0.1%): Increased serum potassium[Ref]
Musculoskeletal
- Frequency not reported: Local muscle weakness (expected due to pharmacological action of botulinum toxin in muscle tissue)[Ref]
Ocular
- Uncommon (0.1% to 1%): Eyelid ptosis, blepharospasm, periorbital edema
- Rare (0.01% to 0.1%): Conjunctival hemorrhage, dry eye, eye pain[Ref]
Respiratory
- Common (1% to 10%): Nasopharyngitis, bronchitis
- Rare (0.01% to 0.1%): Pharyngeal hypoesthesia, streptococcal pharyngitis, pneumonia, sinusitis[Ref]
Nervous system
- Common (1% to 10%): Headache
- Uncommon (0.1% to 1%): Head discomfort
- Rare (0.01% to 0.1%): Migraine, dizziness, paresthesia, visual field defect
- Frequency not reported: Procedural headache[Ref]
References
1. (2023) "Product Information. Letybo (letibotulinumtoxinA)." Croma Aesthetics Canada, Ltd
2. (2022) "Product Information. Letybo (letibotulinumtoxinA)." CROMA Australia Pty Ltd, 1
3. (2024) "Product Information. Letybo (letibotulinumtoxinA)." Hugel Aesthetics
Frequently asked questions
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- Drug class: skeletal muscle relaxants
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Further information
LetibotulinumtoxinA side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.