Spread of toxin effects. The effect of botulinum toxin may affect areas away from the injection site and cause serious symptoms including: loss of strength and all-over muscle weakness, double vision, blurred vision and drooping eyelids, hoarseness or change or loss of voice, trouble saying words clearly, loss of bladder control, trouble breathing, and trouble swallowing.
Lauren Crain is a writer, designer, and joke-teller. As a sexual health and wellness researcher and writer, she's adamant about spreading credible knowledge and eliminating misinformation. Her writing has been featured on The Muse, Insider, Clutch, Her Campus, and Business News Daily. When she's not writing, designing, or trying to make people laugh, you can find her watching 30 Rock with her partner and their cat and dog.