This drug is an oral medication that is used in dogs and cats to dilate blood vessels which lowers blood pressure and helps the heart to work more efficiently. Captopril is available in several the form of tablets.
WHAT IS THIS DRUG?
- An angiotensin converting enzyme inhibitor (ACE inhibitor)
- Given by mouth
- Not approved by the FDA for use in animals but can be prescribed legally by veterinarians
REASONS FOR PRESCRIBING:
- To prevent and treat some types of heart failure
- To treat high blood pressure
WHAT DOGS/CATS SHOULD NOT TAKE THIS MEDICATION?
- Animals with kidney disease
- Animal with low blood sodium
- Animals with a known hypersensitivity or allergy to this drug
Read and follow the prescription label carefully.
Give the exact amount prescribed and only as often as directed.
Captopril is usually taken 1 hour before meals. Follow your doctor's instructions.
Give this medication for as long as your veterinarian directs. Do not skip doses or stop giving the medication without consulting your veterinarian.
Baseline blood work is recommended to assess your pet's general health before starting this medication.
Periodic blood work, chest radiographs, and urinalysis may be recommended to monitor Captopril's effects on the body as long term therapy is often necessary. Dose adjustments may be made based upon these results and an assessment of how your dog or cat is responding clinically.
Call ahead for refills.
Ideally, give this medication at the same time(s) daily.
WHAT IF A DOSE IS MISSED?
If a dose is missed, give it as soon as you can. If it is time already for the next dose, skip the missed dose and go back to the normal schedule. Do not give two doses at the same time.
STORAGE AND WARNINGS:
Captopril should be stored in a childproof container in a cool, dry place at room temperature away from heat and direct sunlight.
Note: Captopil normally has a sulfurous or ‘rotten egg’ smell.
Keep this and all medication out of reach of children and pets.
Call your physician immediately if you accidentally take this product.
Captopil contains sulfur. Pet owners allergic to sulfa drugs should avoid handling this drug.
POTENTIAL SIDE EFFECTS:
- Changes in urination, lack of appetite, vomiting, diarrhea
- This medication can cause low blood pressure causing lethargy and weakness
- Captopril contains sulfur which may cause rashes or skin reactions, or cause the bone marrow to cease making blood cells
- Rare instances of Captopril affecting blood supply to kidneys leading to kidney failure. This may happen in patients receiving high doses and/or in patients with kidney disease receiving diuretics .
- If these symptoms persist or you notice anything else unusual, contact your veterinarian
CAN THIS DRUG BE GIVEN WITH OTHER DRUGS?
Yes, but possible interactions may occur when giving Captopril in conjunction with: diuretics (ex. furosemide, spironolactone), nonsteroidal anti-inflammatories (ex. acetaminophen, deracoxib, carprofen, ibuprofen, meloxicam), and potassium supplements
Drugs other than those listed may also interact with Captopril
Do not give new food or medications without first talking to your veterinarian
If your pet experiences any unusual reactions when taking multiple medications, contact your veterinarian
Contact your veterinarian immediately if your pet receives more than the prescribed amount.
WHAT TO TELL/ASK A VETERINARIAN BEFORE GIVING MEDICATION?
Talk to your veterinarian about:
- When your pet will need to be rechecked
- What tests may need to be performed prior to and during treatment with this drug
- What are the risks and benefits of using this drug
Tell your veterinarian about:
- If your pet has experienced side-effects on other drugs/products
- If your pet has experienced digestive upset now or ever
- If your pet has experienced liver or kidney disease now or ever
- If your pet has experienced any other medical problems or allergies now or ever
- All medicines and supplements that you are giving your pet or plan to give your pet, including those you can get without a prescription. Your veterinarian may want to check that all of your pet’s medications can be given together.
- If your pet is pregnant, nursing or if you plan to breed your pet
WHAT ELSE SHOULD I KNOW?
Notify your veterinarian if your animal’s condition does not improve or worsens despite this treatment.
As with all prescribed medicines, Captopril should only be given to the pet for which it was prescribed.
It should be given only for the condition for which it was prescribed.