However, here are some common signs that your dog might be sick:
General:
* Lethargy: Sleeping more than usual, lack of energy or enthusiasm.
* Loss of appetite: Refusal to eat or drink.
* Vomiting: Projectile vomiting or repeated vomiting.
* Diarrhea: Loose stools, frequent bowel movements.
* Weight loss: Noticeable decrease in body weight.
* Change in behavior: Acting withdrawn, hiding, or being unusually anxious.
Other Signs:
* Coughing or sneezing: Could indicate respiratory issues.
* Difficulty breathing: Labored breathing, wheezing, or gasping.
* Swollen glands: Enlarged lymph nodes in the neck or groin area.
* Eye discharge: Excessive mucus, redness, or tearing.
* Ear discharge: Unusual odor, redness, or scratching at the ears.
* Skin problems: Rashes, bumps, excessive shedding, or hair loss.
* Limping or stiffness: Pain in the joints or muscles.
* Discolored gums: Pale gums may indicate anemia, while bright red gums could indicate fever.
* Urinary changes: Increased or decreased urination, difficulty urinating, or blood in the urine.
Important Note: Some of these symptoms can also be signs of minor issues that don't require a vet visit. However, it's always best to err on the side of caution and seek professional advice.