Less serious side effects include: 1  Loss of appetite. 2  Weight loss. 3  Nausea. 4  Vomiting. 5  Diarrhea. 6  Frequent urination. 7  Muscle cramps, painful and swollen joints. 8  Excessive tiredness. 9  Difficulty falling asleep. 10  Headache, nervousness, dizziness. 11  Depression, mood swings. 12  Vivid dreams.
Nausea can occur in dogs for many reasons, particularly when the digestive tract and nervous systems are out of balance. Stress can certainly play a role in nausea.
If other symptoms accompany watery stool â symptoms like lethargy, loss of appetite, fever or a change in behavior â itâs time to make an appointment with your vet. Home care for otherwise healthy dogs with a bout of diarrhea should include a bland diet of cooked ground turkey and 100 percent canned pumpkin.