evidence: It has been touted as a treatment for cancer, COVID-19, diabetes, HIV, Lyme disease, the common cold … well, you get the picture. In all, folks have billed colloidal silver as a remedy for 650 different conditions, according to the FDA. [...] Colloidal silver’s ability to destroy germs and bacteria can make it effective in treating minor skin infections, irritations and burns, says Dr. Young. Manufacturers sometimes add silver to bandages and dressings to help people heal faster. "Silver’s antimicrobial effect can help prevent or treat an infection," she continues. "But if you see the affected area becoming red or inflamed after using colloidal silver, stop using it and seek medical attention."