Which disclosing agent should be avoided for patients with diabetes?

The use of iodine solutions as a disclosing agent should be avoided for patients with diabetes primarily due to the potential for adverse reactions related to the iodine content. Individuals with diabetes, especially those with compromised kidney function, may be more susceptible to thyroid dysfunction. Iodine can affect thyroid hormone levels and may pose health risks to those already managing complex metabolic conditions.

Fluorescein, erythrosine, and chlorhexidine do not carry the same level of concern for adverse health effects in diabetic patients. Fluorescein is often used in various medical imaging applications and is considered safe, while erythrosine is a red dye that serves as a non-toxic disclosing agent. Chlorhexidine, an antimicrobial agent, is also widely accepted in dental practice without specific contraindications for diabetic patients. Thus, avoiding iodine is a sensible precaution to prevent possible complications in a vulnerable population.