Option A - Naproxen sodium (Naprosyn).
Naproxen sodium (Naprosyn) is contraindicated for a patient diagnosed with acute gastritis.
Naproxen sodium is a nonsteroidal anti inflammatory medication, it blocks COX - 2 which is needed for the secretion of prostaglandins in the mucosa layer of the digestive tract. Prostaglandins protect the stomach from the harmful effect of the acid on the stomach. A patient with gastritis already has inflammation of the lining of the stomach, exposing the stomach to naproxen will worsen the condition of this patient.
Calcium carbonate is an antacid use to decrease acid levels in the stomach.
Clarithromycin is an antibiotics (macrolide) it is not contraindicated in patients with gastritis.
Furosemide is a diuretic medication used mostly by hypertensive patients and it's not contraindicated in a patient with gastritis.
Naproxen sodium is a nonsteroidal anti-inflammatory drug that can cause inflammation of the upper GI tract. For this reason. it is contraindicated in a patient with gastritis. Calcium carbonate is used as an antacid for the relief of indigestion and is not contraindicated. Clarithromycin is an antibacterial often used for the treatment of Helicobacter pylori in gastritis. Furosemide is a loop diuretic and is NOT contraindicated in a patient with gastritis.