<prompt> Answer this question truthfullyWhat information is available regarding demeclocycline?  <response>: <reason> Amoxicillin and clavulanic acid may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:DiarrheaItching of the rectum or vaginaSore mouthChanges in skin colorIf you experience any of the following symptoms, call your doctor immediately:Severe headacheBlurred visionSkin rashRedness of the skin sunburnHivesDifficulty breathing or swallowingYellowing of the skin or eyesItchingDark-colored urineLight-colored bowel movementsLoss of appetiteUpset stomachVomitingStomach painExtreme tiredness or weaknessConfusionDecreased urinationIf you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administrations FDA MedWatch Adverse Event Reporting program online at or by phone 1-800-332-1088. 