From the FDA Drug Label
PRINCIPAL DISPLAY PANEL CVS Merthiolate Benzalkonium Chloride 0.13% Mercury free 2 FL OZ (59 mL) The FDA drug label does not answer the question.
From the Research
Povidone-iodine (Betadine) is a recommended alternative to merthiolate (thimerosal) due to its broad-spectrum antimicrobial activity and lower risk of toxicity, as supported by recent studies 1, 2. When considering a drug similar to merthiolate, it's essential to prioritize alternatives that provide effective antiseptic properties without the risks associated with mercury-containing compounds.
- Povidone-iodine has been extensively studied and shown to be effective against a wide range of microorganisms, including methicillin-resistant Staphylococcus aureus 1.
- Its use in wound care has been evaluated in various studies, demonstrating its safety and efficacy in promoting wound healing 3, 4.
- Additionally, povidone-iodine has been shown to have a low risk of skin absorption, making it a suitable option for repeated use in healthcare settings 2.
- Other alternatives, such as hydrogen peroxide, chlorhexidine, and benzalkonium chloride, may also be considered, but povidone-iodine is generally recommended due to its well-documented safety and efficacy profile 5. It's crucial to note that any mercury-containing products, including merthiolate, should be used with caution, especially in vulnerable populations, due to the potential risks of mercury toxicity.