I have a 2nd degree grease burn on my hand. The large blister (base of first finger to second knuckle) popped prematurely. What do I need to do to keep it from getting infected

Hello. Thank you for posting.

Second-degree burns are injuries to the skin caused by heat, radiation, electricity, chemicals, or friction. These burns are also called partial-thickness burns. Treatments for a mild second-degree burn generally include:
-running the skin under cool water for 15 minutes or longer
-taking over-the-counter pain medication (acetaminophen or ibuprofen)
-applying antibiotic cream to blisters

More information here: https://www.healthline.com/health/burns

Helena