* Gastric ulceration. This is potentiated by [[NSAIDs|NSAIDs]] and therefore concurrent use of these drugs is contraindicated.
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* [[Stomach and Abomasum Inflammation - Pathology#Erosive and Ulcerative Gastritis |Gastric ulceration]]. This is potentiated by [[NSAIDs|NSAIDs]] and therefore concurrent use of these drugs is contraindicated.