Understanding Solensia: Is It Painful for Cats?
As our feline companions age, they may develop conditions like osteoarthritis, which can significantly affect their comfort and mobility. Managing chronic pain in cats poses unique challenges. Enter Solensia—the first FDA-approved treatment specifically designed to address arthritis pain in cats. But many cat owners wonder: is Solensia painful for cats?
What Is Solensia?
Solensia (frunevetmab) is a monoclonal antibody treatment developed specifically to manage chronic osteoarthritis-related pain in cats. Administered as a subcutaneous injection once a month, it targets nerve growth factor (NGF)—a key component in pain signaling. By neutralizing NGF, Solensia helps reduce pain and improve mobility without the liver and kidney risks associated with traditional painkillers.
Is the Injection Itself Painful?
Like any injection, Solensia may cause minor discomfort at the time of administration. However, since it is given under the skin and not into muscle or bloodstream, the pain is usually minimal and short-lived. Reported side effects at the injection site include:
- Mild pain or tenderness
- Scabbing or swelling
- Itchy or irritated skin
These reactions are typically mild and temporary, with most cats tolerating the treatment well.
What Does the Science Say?
In clinical trials, over 75% of cats showed improvement in their arthritis symptoms within three months of starting Solensia. Most significantly, these benefits came without serious adverse reactions. While some cats experienced mild side effects like vomiting or diarrhea, severe allergic responses such as anaphylaxis were extremely rare.
Common Side Effects of Solensia
- Vomiting
- Diarrhea
- Injection site tenderness or scabbing
- Skin irritation
It's important to note: the benefits far outweigh the side effects in most cases, particularly when weighed against the chronic pain of untreated arthritis.
When Should Solensia Not Be Used?
Certain cats should avoid Solensia treatment:
- Cats under 5.5 lbs or younger than 12 months
- Pregnant, lactating, or breeding cats
- Cats with known allergies to frunevetmab
Veterinarians assess each cat individually before recommending Solensia as part of an osteoarthritis management plan.
How Is Solensia Administered?
Solensia must be administered by a licensed veterinarian or veterinary technician. This ensures correct dosing and safe application. The injection is given subcutaneously and customized based on the cat's weight. Missed doses should be rescheduled with your vet to maintain efficacy.
Additional Supportive Measures
While Solensia significantly improves quality of life for arthritic cats, it works best alongside other supportive strategies, including:
- Maintaining a healthy weight
- Providing joint supplements like glucosamine
- Using ramps or steps to reduce jumping
- Ensuring soft, accessible bedding
- Routine veterinary checkups
Conclusion: Is Solensia Worth It?
For cats suffering from arthritis, Solensia offers a revolutionary approach to pain relief. It is not particularly painful to receive and the associated discomfort is generally minor and temporary. The vast majority of cats experience improved mobility and comfort, making Solensia a valuable tool in feline pain management. Always consult your veterinarian to determine if it's the right choice for your pet.





