: This is the most convenient option. You can receive the medication immediately after the exam, along with specific instructions on how to administer it.

You may see "fish antibiotics" or other animal medications sold online without a prescription.

: Retailers like Chewy or PetMedix allow you to upload a prescription or provide your vet's contact info for verification. This can sometimes be more cost-effective for long-term treatments.

: Some common cat antibiotics (like Amoxicillin) are also used in human medicine. You can often fill these at a standard pharmacy like Walgreens or CVS, provided the vet writes the script for a human-grade equivalent. 3. Common Antibiotics for Cats