II. Causes: Medical
III. Causes: Medications
- Trimethoprim-sulfamethoxazole
- Clarithromycin
- Potassium Iodide
- Metronidazole
- Carbonic Anhydrase Inhibitors (e.g. for Glaucoma)
- Eszopiclone (Lunesta)
IV. Causes: Toxins
- Arsenic
- Rattlesnake Bite
- Hymenoptera Sting
- Cisplatin
- Metal fume fever
- Elemental Mercury
- Zinc toxicity