Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

9 Most Common Cat Medications for Feline Use (Vet Answer)

Share

young woman giving cat a tablet pill

As veterinary medicine expands, so too does the number of treatment options available for use in feline patients. The selection is impressive—arthritis injections, radiation therapy, CBD oil, acupuncture, and oral (not injectable!) insulin.

However, despite these advances, there are nine medications that we believe are still the cornerstone of feline medicine. So, what are they, and how do they work?

The 9 Most Common Cat Medications

1. (Non-steroidal anti-inflammatories) NSAIDs

nsaids tablets
Image By: Sonis Photography, Shutterstock

NSAID is an abbreviation for “non-steroidal anti-inflammatory”. These are the most common types of painkillers used for cats. They are the same class of medication as ibuprofen, commonly used in people. Many different types of NSAIDs (and many brands) are available. They all work via the same mechanism.

The active ingredient, when absorbed, blocks some of the molecules that drive the inflammation pathway in the body. Inflammation is one of the main causes of acute pain, so reducing inflammation will reduce pain. NSAIDs are used post-operatively for most surgeries, as well as for wounds, arthritis, and injuries.


2. Antibiotics

metronidazole antibiotic vial
Image By: Sonis Photography, Shutterstock

Antibiotics are used to treat infections and diseases caused by bacteria. There are a huge number of different antibiotics available in cats; some are licensed for use in cats, and others are used off-label.

Most are tablets, but liquid suspension options are available. Long-acting injections are also available but should be used by vets judiciously. Antibiotics are indicated for some wounds and catfight injuries, as well as urinary and respiratory infections.


3. Gabapentin

Gabapentin tablets
Image By: Sonis Photography, Shutterstock

Gabapentin was originally designed for people to treat partial seizures and nerve pain. Somewhere along the line, vets realized that it was highly effective in cats. Gabapentin can be used as a pain-relief medication; it is best for chronic pain and nerve pain, as opposed to acute injuries, where NSAIDs are likely a better option.

Gabapentin also makes cats slightly drowsy. For this reason, it is often used to reduce stress in highly anxious cats or to facilitate blood collection in cats that are fractious at the vet clinic.


4. Antiviral Medications

woman giving cat a pill
Image Credit: New Africa, Shutterstock

You may have heard of “cat flu”. This is a very common viral disease of domestic cats, particularly in shelter settings and multi-cat households. The disease is called cat flu because the signs are similar to the flu that affects people—snotty nose, congestion, sneezing, and weepy eyes.

However, whereas human flu is caused by the influenza virus, cat flu is actually caused by feline herpesvirus. Some cats may be treated with an antiviral medication called famciclovir.


5. Anti-parasitics

Woman injecting cat product to prevent from flea treament
Image Credit: goodluz, Shutterstock

From a young age, most cats should be receiving some form of anti-parasite medication. These medications are available over the counter and protect cats against both internal and external parasites: worms, heartworm, fleas, ticks, and mites. In some parts of the world, ticks and heartworm can be fatal.

Most feline anti-parasite medications are available as a spot-on solution that is applied to the skin on the back (to avoid the hassle of giving a tablet). A large number of brands are on the market, and we recommend discussing what’s best for your cat with a veterinarian.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

PangoVet_Mention-in-Content for PangoVet2 save money


6. Laxatives

Laxative Tablets Spilled from Bottle
Image Credit: Michelle Lee Photography, Shutterstock

Laxatives are used in cats to reduce the ill effects of grooming and hairballs, as well as to treat constipation. Most of these laxatives work by softening the stool, aiding the passage of hair. Some work by preventing the accumulation of hair into clumps.

The use of laxatives should always be discussed with a veterinarian, as many cats experiencing problems with hairballs have an underlying problem that allows the hairballs to form in the first place.


7. Anti-Nausea Medications

hand giving pill to a cat
Image Credit: Creative Cat Studio, Shutterstock

Nausea is common in cats, even though it can be hard for the layperson to detect. The causes of nausea range from diet indiscretion or gut upset to cancer and pain. Both oral (tablet) and injectable forms of anti-nausea medication exist.

Some stop the body from vomiting, while others address the nausea itself; anyone who has experienced nausea will appreciate how awful this feeling is!


8. Frusemide

owner giving tablet medicine to cat
Image Credit: Alexsander Ovsyannikov, Shutterstock

Frusemide is the mainstay of treatment for cats that are in congestive heart failure. This is the term used when heart disease prevents the adequate pumping of the heart to the body. As a result, blood (or more specifically, fluid) starts to seep out into the lungs and other parts of the body.

Frusemide is used to get rid of this fluid and reduce the strain on the heart. It is a diuretic medication, meaning the fluid is lost in urine. Other heart medications are normally required in conjunction with frusemide.


9. Anti-thyroid Medications

a bottle of Methimazole
Image Credit: luchschenF, Shutterstock

Did you know that roughly 10% of cats over the age of 10 years are affected by hyperthyroidism? This is a disease in which the thyroid gland, which sits in the throat, grows too large and produces excessive amounts of thyroid hormone. The signs of hyperthyroidism are classic—weight loss despite a ravenous appetite, behavioral changes, and vocalization.

Unfortunately, hyperthyroidism can affect other organs, including the eyes, heart, and kidneys. While some cats are treated with radioactive iodine therapy or even surgical removal of the thyroid gland, many owners choose to medicate their cats daily. Methimazole and carbimazole and the common products; both are highly safe and effective.

divider 3 paws

Conclusion

Thankfully, you don’t need to feel daunted or confused by veterinary medications—that’s what the vet is for! However, we believe it is important for cat owners to understand what medications their cat has been prescribed.

If you think your cat needs one of the above medications, or if you want to know more, don’t hesitate to reach out to your local vet clinic.

See Also: 


Featured Image Credit: New Africa, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

2 Responses

  1. my cat seems to be off her wet food.. she will eat kibble but will not eat canned food…what could the cause be? she sleeps the normal amount and has energy in abundance.. should i be concerned about some internal problems?

    1. Dear Robert,
      Thank you for your question and sorry for a bit of a late reply. Since your cat isn't lethargic and seems to be behaving normally, it doesn’t seem that there’s any urgent cause for concern at this time. However, any changes in pets should be closely monitored, as cats are masters at hiding signs of illness. We recommend that you continue to monitor this behavior and try a different wet food option. Try to experiment with different flavors, brands or mix some wet food with dry food and try to figure out what your cat likes the most.
      If you would still have concerns for your cat, we would like to suggest booking an appointment with one of our veterinarian experts at www.PangoVet.com. They will be happy to consult with you and give some advice.

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

The 10 Common Causes of Sudden Death in Cats (And Which Ones Are Preventable)

Most cat owners don’t think much about heart disease, internal hemorrhage, or viral infections until they’re staring at an empty bed. Sudden death...

Ask Dr. Paola – Help! My Cat Suddenly Has Dandruff! (March 30, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

Your Cat Keeps Vomiting After Eating: Here’s What’s Going On

Cats vomit. It’s one of the less glamorous facts of life with a feline, and most cat owners have cleaned up more than...

Ask Dr. Paola – Help! My Cat Gets Diarrhea from Wet Food! (March 23, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

More related

Fleas & Ticks on Cats: A Guide for Each Region in the US (Vet Approved)

Fleas and ticks are a common problem for cats, especially outdoor cats. However, indoor cats can still be affected by them. Therefore, all...

Do Cats Really Need Baths? Most Owners Get This Wrong

You’ve likely been scrolling through social media and seen a video of someone giving their cat a luxurious bath, complete with special shampoos...

How Do Sand Cats Survive in the Desert? Adaptation Methods & FAQ

Sand cats are a unique species of cat that are adapted to survive in the harsh desert environment. These small, sandy-colored felines have...

Inhaler for Cats: Vet-Approved Tips on How to Use It for an Asthmatic Feline

Feline asthma is a respiratory condition that results from inflammation and muscle constriction in the airways. It is not well-understood in cats, but...

Keep reading

Smalls Cat Food Review 2026: Pros, Cons & Final Verdict

Fresh, meat-based foods are all the rage in the dog world right now. But what about cats? While dogs have adapted to eating a variety of plant and animal foods, cats remain obligate carnivores. This means they require a meat-based...

CAT_SAPR_Smalls Cat Food

Can Cats Eat Jicama? Vet-Verified Nutritional Facts & Advice

Pet cats typically consume a commercial diet that meets all their nutritional requirements. However, cats are natural predators, so they go after small mammals, birds, and even reptiles and insects for sport and food. Cats sometimes also gravitate to plants,...

Can Cats Eat Jicama

Why Does My Cat Sit Behind Me? 4 Possible Reasons & Vet-Verified FAQ

Some cat owners get more than just a furry friend living in their home; they get a shadow that follows them everywhere. However, despite some contrary opinions, cats bond very closely with their owners, and it’s not unusual for cats...

cat at the back of its owner on a bench

Open Farm vs Orijen Cat Food: 2026 Comparison, Ingredients, Price & More

What we feed our cats is important, but we all have different ideas of what is important in cat food. For example, the cat food brand Open Farm uses ethically sourced ingredients you can trace back to the source, while...

Open Farm VS Orijen

How Do Cat Eyes Work? Vet-Reviewed Facts & FAQ

If you’re wondering why your cat has such an air of self-importance and superiority about them, it might be because their senses are so powerful and complex that they consider us mere humans simply inferior—and rightly so! Did you know...

Scared cat with wide eyes looking at you

Cat Strokes: Signs, Causes, Diagnosis, Care & FAQ (Vet Answer)

Although relatively rare, cats experience strokes. A stroke occurs when there is an abrupt interruption in the blood supply to your cat’s brain. It can be very frightening if your cat experiences a stroke, and it is essential to take...

vet examining the sick cat with stethoscope

Can Cats Eat Cheesecake? Vet-Verified Nutritional Facts

Cheesecake is a delicious, special treat for many people that is often reserved for special occasions. As cat lovers, we all want to share our special occasions with our cats, which means you may have thought about sharing some of...

Can Cats Eat Cheesecake

7 Best Glucosamine for Cats of 2026 – Reviews & Top Picks

Glucosamine can relieve joint problems in humans, and it can probably do the same thing for your cat. Whether your cat has arthritis or sore joints in old age, this supplement may put some pep back in your cat’s step....

LaPerm tri-colored cat

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.