Common signs include persistent coughing, difficulty breathing, fainting, reduced exercise tolerance, rapid or irregular heartbeat, swelling of the abdomen, and lethargy. Symptoms vary by species and severity. If you notice any of these or changes in appetite or activity, contact your veterinarian for assessment and guidance.

Some supplements, such as omega‑3 fatty acids and specific antioxidants, may support cardiovascular wellbeing when used appropriately. They are not cures and should complement a balanced diet. Always consult your veterinarian before starting supplements to confirm suitability, correct dosage and interactions with medications.

Veterinary therapeutic diets are recommended when a vet diagnoses a specific cardiac or circulatory condition that benefits from nutrient adjustments like altered sodium or added taurine precursors. These diets should be used under veterinary supervision; discuss options and monitoring with your veterinarian before switching food.

Choose products formulated for pets, with clear ingredient lists and appropriate dosing. Prefer supplements with veterinary support or third‑party testing. Avoid human medications or unverified claims. Discuss choices and correct dosage with your veterinarian, especially if your pet is on other medications or has a diagnosed heart condition.

Yes. Maintaining a healthy weight, providing regular moderate exercise appropriate for species and age, and a balanced diet can support heart and blood vessel health. Avoid overexertion in diagnosed patients; consult your veterinarian for personalized activity and nutrition plans, especially if your pet has known cardiac issues.