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Botox Side Effects

Botox Side EffectsAccording to The American Society of Plastic Surgeons there were 5.7 million Botulinum Toxin Type A (Botox®, Dysport®) injections performed in 2011.

Randomized Double Blind Studies
In a double blind study, 405 people aged 18 to 75 were administered Botox® Cosmetic and evaluated in randomized, placebo-controlled clinical studies.
Botox Cosmetic

Adverse Event for Botox® Cosmetic Botox® N=405 Placebo N=130
Overall 177 (43.7%) 54 (41.5%)
Body as a Whole
Headache 54 (13.3%) 23 (17.7%)
Pain in Face 9 (2.2%) 1 (0.8%)
Flu Syndrome 8 (2.0%) 2 (1.5%)
Pain at Injection Site 7 (1/7%) 1 (0.8%)
Edema at Injection Site 6 (1.5%) 3 (2.3%)
Pain in Back 4 (1.0%) 3 (2.3%)
Injury Accidental 3 (0.7%) 1 (0.8%)
Respiratory System
Infection 14 (3.5%) 5 (3.8%)
Bronchitis 6 (1.5%) 1 (0.8%)
Sinusitus 6 (1.5%) 1 (0.8%)
Pharyngitis 5 (1.2 %) 2 (1.5%)
Dyspnea 3 (0.7%) 0 (0.0%)
Infection Sinus 3 (0.7%) 2 (1.5%)
Layrngitis 3 (0.7%) 0 (0.0%)
Rhinitis 3 (0.7%) 2 (1.5%)
Skin and Appendages
Erythema 7 (1.7%) 2 (1.5%)
Skin Tightness 4 (1.0%) 0 (0.0%)
Irritation Skin 3 (0.7%) 0 (0.0%)
Digestive System
Nausea 12 (3.0%) 3 (2.3%)
Dyspepsia 4 (1.0%) 0 (0.0%)
Tooth Disorder 4 (1.0%) 0 (0.0%)
Liver Function Abnormal 3 (0.7%) 2 (1.5%)
Special Senses
Blepharoptosis 13 (3.2%) 0 (0.0%)
Nervous System
Dizziness 5 (1.2%) 2 (1.5%)
Paresthesia 4 (1.0%) 1 (0.8%)
Anxiety 3 (0.7%) 0 (0.0%)
Twitch 3 (0.7%) 0 (0.0%)
Musculoskeletal System
Muscle Weakness 8 (2.0%) 0 (0.0%)
Urogenital System
Infection Urinary Tract 4 (1.0%) 1 (0.8%)
Hemic and Lymphatic System
Ecchymosis 7 (1.7%) 3 (2.3%)
Cardiovascular
Hypertension 4 (1.0%) 0 (0.0%)

Source: Botox® Cosmetic Package Insert

For more information, check out Botox® Information, the FDA Article on Botox® Cosmetic Treatments and Botox Injection Before and After Photos.