Digoxin tablets are commonly prescribed to help regulate and maintain a normal, steady heartbeat in cats and dogs. Used to manage conditions like congestive heart failure and atrial arrhythmias, among other cardiac-related issues. Digoxin works by increasing the heart's contraction strength as well as slowing the heart rate when needed. It's sold by the tablet and is prescription only. Rx only Comes in a 0.125 mg strength or 0.25 mg strength Heart and blood pressure medication for cats and dogs Commonly used for treating congestive heart failure and it symptoms, including ankle swelling, wheezing, and shortness of breath with lying flat Also helps decrease the heart rate during atrial rhythm disturbances, such as atrial flutter and atrial fibrillation Increases contraction strength and slows heart rate for pets who need it Helps maintain a strong, steady, normal heartbeat Includes a single digoxin tablet How it Works Digoxin works through the reduction of heart strain and helps in the maintenance of a strong, steady, normal, heartbeat. Overdose Information Immediately contact your closest emergency animal hospital. Side Effects Possible side effects include: Diarrhea Dehydration Lethargy Appetite loss Heart Arrhythmia Worsening heart failure Heightened serum levels CAUTION: Dogs of the collie breed could be more likely to experience side effects of the central nervous system. Use caution when administering this medication to collie dogs. Storage Store in a dry and cool environment.