Some of these OTC analgesic products may contain concentrations of lidocaine that are higher than what is permitted, which may put consumers at risk for serious injury.
Six companies were sent warning letters from the FDA, after it discovered the companies' creams and gels contain Lidocaine at concentrations that are higher than legally permitted in over-the-counter products, the agency said.
The U.S. Food and Drug Administration has warned against certain over-the-counter analgesic or pain relief products by six companies citing potential for dangerous health effects.