Famotidine IV decreases stomach acid production and relieves stomach pain, heartburn.

Normal saline provides fluids lost from poor oral intake in the setting of accompanying nausea and vomiting.

Vitamin C replaces lost vitamin C used by inflamed gut, promotes tissue healing and reduced GI inflammation.

Anti-nausea agents provide relief from nausea.

Vitamin D protects good bacteria in gut, activates adaptive immunity that originates in GI tract; promotes gut barrier integrity and prevents inflammatory bowel disease flare-ups.