Botox Side Effects
According 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.
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.