What Are the Side Effects of Vetmedin in Dogs?

Updated November 21, 2016

Vetmedin is a medication used in dogs who are suffering from congestive heart failure. Vetmedin works by opening the blood vessels of the heart to improve blood flow and reduce the work load of the canine heart.

Allergic Reactions

Dogs taking vetmedin may have an allergic reaction to the medication. Symptoms include swelling of the face, tongue or lips, hives and difficulty breathing.

Respiratory Issues

Vetmedin has the potential to cause issues with the respiratory system, such as laboured breathing, coughing and fluid accumulation in the lungs or abdomen.

Bowel Movements

Vetmedin may cause diarrhoea, which can be mild to severe, depending on the individual dog.

Additional Side Effects

Dogs may also experience pale gums, weakness, drowsiness, scratching or poor appetite. In severe cases, there may be seizures, shock or coma.

Overdose Side Effects

Symptoms of a vetmedin overdose include coughing, fainting, fluid accumulation in the abdomen or the lungs, loss of appetite, diarrhoea, difficulty breathing, drowsiness and weakness.

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