Botulinum toxin treatment temporarily reduces activity in selected muscles. The effect depends on the product, dose, injection pattern and anatomy.
This archive page intentionally avoids older “first,” “only,” or blanket-safety language. Botulinum toxin products have product-specific FDA labeling, contraindications and warnings, and are not interchangeable unit-for-unit.
Evaluation matters
Treatment planning should account for facial movement, baseline asymmetry, prior treatment, relevant medical history and the desired degree of change. Risks and warnings should be reviewed using current product labeling and the treating clinician’s consent process.