1. **Lumps and Bumps**: New growths or lumps under the skin that change in size or shape should be examined by a veterinarian.
2. **Weight Loss**: Unexplained weight loss can be a sign of various health issues, including cancer. If your dog is losing weight despite a normal appetite, it's worth investigating.
3. **Loss of Appetite**: A sudden decrease in appetite or refusal to eat can indicate a problem, including cancer.
4. **Difficulty Breathing**: If your dog is having trouble breathing or is coughing more than usual, it could be a sign of lung cancer or other respiratory issues.
5. **Lethargy**: A noticeable decrease in energy levels or enthusiasm for activities they usually enjoy can be a warning sign.
6. **Changes in Bathroom Habits**: Blood in urine or stool, or changes in urination or defecation habits, can be a red flag.
7. **Persistent Sores**: Sores that do not heal or that keep coming back should be checked by a vet.
8. **Behavioral Changes**: Any significant change in behavior, such as increased aggression or withdrawal, can indicate discomfort or illness.
If you notice any of these signs in your dog, it's important to consult with a veterinarian as soon as possible for a thorough examination and appropriate tests. Early detection can make a significant difference in treatment options and outcomes.
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