Teligent Pharma is recalling five lots of Lidocaine HCl topical solution 4%, 50mL after uncovered super potency. Use of super potent products can result in higher than intended doses of medication. Lidocaine hydrochloride works as a local anesthetic that can relieve pain. An increased lidocaine dose can lead to the development of local anesthetic systemic toxicity, which can cause a number of central nervous system reactions, including death.