- Furosemide
- Pimobendan
- Sildenafil
- Spironolactone
- Congestive heart failure
- Pulmonary edema, or fluid in the lungs
- High blood pressure
- High calcium and potassium levels
- Liver disease
- Specific kidney diseases
- High blood pressure (hypertension)
- Potassium deficiency
- Hyperaldosteronism
- congestive heart failure (CHF)
- dilated cardiomyopathy, or an enlarged, weakened heart
- Pulmonary hypertension
- An Oral Suspension (includes x 1 complimentary oral syringe)
- non-steroidal anti-inflammatories (NSAIDs)
- verapamil
- theophylline
- pentoxiphylline
- propranolol
- steroids
- digoxin
- aspirin
- antifungals
- amlodipine
- clarithromycin
- erythromycin
- nitrates
- phenobarbital
- rifampin
- fluid depletion
- hypotension
- are pregnant or lactating
- have high potassium levels in the blood
- suffer from hypoadrenocorticism
- suffer from Cushing's disease and are taking the medication mitotane
- facial swelling
- breathing difficulties
- fainting
- fever
- shock
- hives
- pale gums
- coma
- sudden onset of diarrhea
- seizures