What is Pandex? Pandex drug belongs to the group of drugs used to treat diseases of the eyes, ears, nose and throat. Pandex's main ingredients are Tobramycin (as Tobramycin sulfate) 15mg, Dexamethasone Phosphate (as Dexamethasone Sodium phosphate) 5mg. The following is information about the uses, dosage and precautions when using Pandex eye drops.