What's the difference between severe gastritis and ulcers?

Ulcers: Hello, gastritis is inflammation of stomach wall. Ulcers are breaks in stomach lining and is definitely worse than gastritis. Ulcers have increased chance of rebleeding too

Differences: Anytime you see a word with the suffix "itis" in medicine it means inflammation of whatever came before it, so gastritis means inflammation of the lining of the stomach (gastric). An ulcer on the other hand is an erosion, a pit or depression in the wall of the stomach lining. A few decades ago an Australian doctor guessed that ulcers were caused by an infection, proved it on himself, got Nobel Pri

Several tissue layer: Hi MohammedA Gastr-itis is any inflammation of the lining of the stomach. Usually confined to the innermost layers. If combined with bacterial infection (for example, with helicobacter pylori) the inflamation can erode through the first layer, and create a local area of ulceration. These can expand, or even penenetrate through the sromach wall. Gastritis is relatively easy to treat, ulcers not so.