But taping is a less common practice with family or working German Shepherds for two reasons: 1  Dogs that are bred to be family pets or working dogs are less likely to come from âshow lines,â which means they are less likely to be âpureâ German Shepherds.
Less serious side effects may include: 1  stomach pain, diarrhea; 2  dizziness, loss of balance; 3  vaginal itching or discharge;  dry mouth or unpleasant metallic 1  taste; cough, sneezing, runny or stuffy nose; 2  or. swollen or sore tongue.
How to Handle the Stomach Side Effects of Flagyl. Metronidazole side effects are notorious for causing an upset stomach and killing your appetite. For many people, the nausea -- and even flat out vomiting -- can occur just from the bad taste. Heartburn, constipation, and diarrhea can occur, too.