Product Information

Description

Product details

Furosemide is a loop diuretic that removes excess fluid from the body, helping to treat various conditions in cats, dogs, and horses. This product is an oral solution and includes a calibrated oral dosing syringe.

May be prescribed to treat a variety of conditions in small animals, including congestive heart failure, certain types of fluid retention (edema), and acute kidney injury.
This oral solution contains propylene glycol; use with caution in cats due to potential adverse effect concerns.
Do not use this medication during pregnancy, in stallions used for breeding, and in patients with a serious electrolyte imbalance or that are not urinating (anuric).
May be prescribed for other animal species; please consult your veterinarian.
While this drug does not have an FDA-approved indication for all animal uses, it is commonly accepted for veterinarians to prescribe this medication for use in animals.

*Please note: this is a generic medication. Product packaging and appearance, including size, color, and shape, may differ from the description or images provided and are subject to manufacturer availability.

Sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.

For

Dogs

Active ingredient(s)

Furosemide (10 mg per 1 mL of solution)

Common brand names

Lasix, Salix, Disal

Drug class

Loop diuretic

Product strength & size

This oral solution contains 10 mg of furosemide per mL of solution. Please ensure the selected product is appropriate for your pet, as recommended by your veterinarian.

For current availability, please refer to the product selection above.

Usage

Furosemide oral solution should be given orally as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.

Only the provided calibrated dosing syringe should be used, unless specifically directed otherwise by your veterinarian.

Diuretic medications, including furosemide, increase the number of times your pet will need to urinate. Ensure your pet has continuous access to clean, fresh water at all times. Try to give the prescribed dose(s) earlier in the day to help avoid nighttime urinary urgency.

This medication can be given with or without food. If your pet vomits or appears unwell after receiving a dose on an empty stomach, give future doses with food or a small treat. If vomiting continues, contact your veterinarian.

Missed doses

Administer the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once.

Storage

Store in a cool, dry place at a controlled room temperature (68 to 77°F, excursions permitted between 59 and 86°F). Discard the bottle 90 days after opening, or as otherwise indicated by the manufacturer product insert.

Keep the bottle tightly closed and out of the reach of children and pets. Store away from heat and direct sunlight. Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.

Side effects

Possible side effects may include (but are not limited to): increased thirst and/or urination, vomiting, diarrhea, weakness, and restlessness.

Contact your veterinarian immediately if your pet has complete lack of urination or experiences extreme weakness/collapse, hearing loss, head tilt, difficulty balancing, or a racing heartbeat.

Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.

If you notice anything unusual, please consult your veterinarian.

Precautions

Do NOT use this medication in patients with a serious electrolyte imbalance, an inability to produce urine (anuria), or those with a liver condition called hepatic encephalopathy. Do NOT use this medication during pregnancy or in stallions used for breeding.

Use with caution in cats- this oral solution contains an inactive ingredient called propylene glycol, which can increase the potential risk of Heinz body anemia.

Use with caution in animals with preexisting electrolyte or fluid imbalance, liver impairment, advanced kidney disease, or diabetes.

Do not administer to animals with a known history or suspected allergy/hypersensitivity to any loop diuretics, including this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.

If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways, difficulty breathing, agitation, profuse salivation, and widespread hives or itching.

Drug and food interactions

The following drugs* may have potential interactions with this medication: blood pressure medications (e.g., amlodipine, enalapril, telmisartan), corticosteroids (e.g., dexamethasone, prednisone), cyclosporine, dexmedetomidine, digoxin, insulins, methotrexate, NSAIDs (e.g., carprofen), SGLT2 inhibitors (e.g., bexagliflozin, velagliflozin), and sotalol.

*NOTE: this may not be a comprehensive list. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.

Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.

Adverse reactions

If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource Pet Owner Care at 877-738-4443.

Last revised: 5/06/2025

Description
Product details
Furosemide is a loop diuretic that removes excess fluid from the body, helping to treat various conditions in cats, dogs, and horses. This product is an oral solution and includes a calibrated oral dosing syringe.
- May be prescribed to treat a variety of conditions in small animals, including congestive heart failure, certain types of fluid retention (edema), and acute kidney injury.
- This oral solution contains propylene glycol; use with caution in cats due to potential adverse effect concerns.
- Do not use this medication during pregnancy, in stallions used for breeding, and in patients with a serious electrolyte imbalance or that are not urinating (anuric).
- May be prescribed for other animal species; please consult your veterinarian.
- While this drug does not have an FDA-approved indication for all animal uses, it is commonly accepted for veterinarians to prescribe this medication for use in animals.
*Please note: this is a generic medication. Product packaging and appearance, including size, color, and shape, may differ from the description or images provided and are subject to manufacturer availability.

Sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.

For
Dogs

Active ingredient(s)
Furosemide (10 mg per 1 mL of solution)

Common brand names
Lasix, Salix, Disal

Drug class
Loop diuretic

Product strength & size
This oral solution contains 10 mg of furosemide per mL of solution. Please ensure the selected product is appropriate for your pet, as recommended by your veterinarian.
For current availability, please refer to the product selection above.

Usage
Furosemide oral solution should be given orally as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.
Only the provided calibrated dosing syringe should be used, unless specifically directed otherwise by your veterinarian.
Diuretic medications, including furosemide, increase the number of times your pet will need to urinate. Ensure your pet has continuous access to clean, fresh water at all times. Try to give the prescribed dose(s) earlier in the day to help avoid nighttime urinary urgency.
This medication can be given with or without food. If your pet vomits or appears unwell after receiving a dose on an empty stomach, give future doses with food or a small treat. If vomiting continues, contact your veterinarian.

Missed doses
Administer the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once.

Storage
Store in a cool, dry place at a controlled room temperature (68 to 77°F, excursions permitted between 59 and 86°F). Discard the bottle 90 days after opening, or as otherwise indicated by the manufacturer product insert.
Keep the bottle tightly closed and out of the reach of children and pets. Store away from heat and direct sunlight. Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.

Side effects
Possible side effects may include (but are not limited to): increased thirst and/or urination, vomiting, diarrhea, weakness, and restlessness.
Contact your veterinarian immediately if your pet has complete lack of urination or experiences extreme weakness/collapse, hearing loss, head tilt, difficulty balancing, or a racing heartbeat.

Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.
If you notice anything unusual, please consult your veterinarian.

Precautions
Do NOT use this medication in patients with a serious electrolyte imbalance, an inability to produce urine (anuria), or those with a liver condition called hepatic encephalopathy. Do NOT use this medication during pregnancy or in stallions used for breeding.
Use with caution in cats- this oral solution contains an inactive ingredient called propylene glycol, which can increase the potential risk of Heinz body anemia.
Use with caution in animals with preexisting electrolyte or fluid imbalance, liver impairment, advanced kidney disease, or diabetes.

Do not administer to animals with a known history or suspected allergy/hypersensitivity to any loop diuretics, including this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.
If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways, difficulty breathing, agitation, profuse salivation, and widespread hives or itching.

Drug and food interactions
The following drugs* may have potential interactions with this medication: blood pressure medications (e.g., amlodipine, enalapril, telmisartan), corticosteroids (e.g., dexamethasone, prednisone), cyclosporine, dexmedetomidine, digoxin, insulins, methotrexate, NSAIDs (e.g., carprofen), SGLT2 inhibitors (e.g., bexagliflozin, velagliflozin), and sotalol.
*NOTE: this may not be a comprehensive list. Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.

Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.

Adverse reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource Pet Owner Care at 877-738-4443.

Last revised: 5/06/2025
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