The FDA said the bad Botox incidents appear to be connected to products that were purchased from unlicensed sources.

The U.S. Centers for Disease Control and Prevention (CDC) issued an official health alert advisory on Tuesday warning about fake Botox injections that have landed some patients in the hospital.

U.S. health officials issued a warning Tuesday about counterfeit Botox injections that have sickened 22 people. Half of the individuals have ended up in the hospital, according to the Centers for Disease Control and Prevention.

The CDC warned doctors about "counterfeit or mishandled" Botox injections that have caused clusters of illness in the U.S.

The US Centers for Disease Control and Prevention issued an advisory Tuesday about the risks of counterfeit or mishandled Botox injections after dangerous fake versions of the product have been found in several states.

The U.S. Centers for Disease Control and Prevention (CDC) on Tuesday alerted clinicians about risks of counterfeit versions of AbbVie's Botox that were given to consumers for cosmetic purposes in multiple states.

The Food and Drug Administration (FDA) and Centers for Disease Control and Prevention (CDC) have warned that counterfeit Botox products have sickened patients across the U.S. Here's what to look out for.