Picture of Iododerma and Bromoderma Granulomatous Reaction
Granulomatous reactions can occur after exposure to medications or supplements containing the halides, bromide or iodide. Sedatives, anti-epileptics, anti-neoplastics (chemotherapy), spasmoytics (used for colic), and expectorants (cough medicine) all contain bromides. Other prescribed medications may also contain the offending agents. Iodine exposure may be topical, oral, or by injection. Bromides and iodides can be found in topical antiseptics, oral thyroid and skin disease treatments, and injectable contrast media for CT scans, cholecystograms, and pyelograms.
Text Reference: Dermatology, 2nd edition: "Iododerma and Bromoderma"