Antibiotics treat bacterial infections in dogs — skin infections, UTIs, ear infections, dental infections, wounds, and post-surgical infections. Most antibiotic courses are short (7–14 days), and many are human generics available at a fraction of the vet clinic price.
The average cost of dog antibiotics is $40 per course, with most owners paying between $20 and $80 per course depending on the antibiotic type and duration.
Dog Antibiotics Cost by Medication
| Antibiotic | Cost Range (course) | Average | Used For |
|---|---|---|---|
| Amoxicillin/Clavulanate (Clavamox) | $25–$60 | $40 | Skin infections, UTIs, respiratory infections — most common |
| Cephalexin (Keflex) | $20–$50 | $30 | Skin infections, wound infections, bone infections |
| Metronidazole (Flagyl) | $20–$45 | $30 | GI infections, diarrhea, dental infections |
| Doxycycline | $20–$50 | $35 | Tick-borne diseases (Lyme, Ehrlichia), respiratory |
| Enrofloxacin (Baytril) | $30–$80 | $50 | UTIs, severe infections — veterinary-specific |
| Clindamycin | $25–$55 | $35 | Dental infections, bone infections, post-dental surgery |
| Sulfamethoxazole/Trimethoprim | $15–$40 | $25 | UTIs, respiratory infections, prostatitis |
| Amoxicillin (plain) | $10–$30 | $20 | Mild infections — cheapest option |
| Azithromycin | $25–$55 | $35 | Respiratory infections, certain tick-borne diseases |
Vet Price vs. Pharmacy Price
| Antibiotic | Vet Clinic | Online (Chewy) | Human Pharmacy (GoodRx) |
|---|---|---|---|
| Amoxicillin/Clav 500mg (21 tabs) | $40–$60 | $25–$40 | $12–$25 (generic) |
| Cephalexin 500mg (28 caps) | $35–$55 | $20–$35 | $8–$20 (generic) |
| Metronidazole 500mg (21 tabs) | $30–$50 | $20–$30 | $8–$15 (generic) |
| Doxycycline 100mg (28 caps) | $35–$55 | $25–$40 | $10–$20 (generic) |
| Clindamycin 150mg (28 caps) | $30–$50 | $20–$35 | $10–$20 (generic) |
Cost by Condition
| Condition | Typical Antibiotic | Course Cost | Duration |
|---|---|---|---|
| Skin infection (pyoderma) | Cephalexin or Amoxicillin/Clav | $20–$50 | 14–21 days |
| UTI / bladder infection | Amoxicillin/Clav or Enrofloxacin | $25–$60 | 7–14 days |
| Ear infection | Otic drops + oral (if severe) | $30–$80 | 7–14 days |
| Dental infection | Clindamycin or Amoxicillin/Clav | $25–$55 | 7–10 days |
| Post-surgical infection prevention | Cephalexin or Clavamox | $20–$50 | 7–10 days |
| Tick-borne disease (Lyme, Ehrlichia) | Doxycycline | $20–$50 | 28–30 days |
| GI infection / diarrhea | Metronidazole | $20–$45 | 5–10 days |
| Wound infection | Amoxicillin/Clav or Cephalexin | $25–$55 | 7–14 days |
Frequently Asked Questions
How much do dog antibiotics cost?
Dog antibiotics cost $20 to $80 per course, with an average of $40. Amoxicillin/Clavulanate (Clavamox) costs $25–$60. Cephalexin costs $20–$50. Metronidazole costs $20–$45. Generic versions at human pharmacies with GoodRx are 50–70% cheaper than vet clinic prices.
Does pet insurance cover antibiotics?
Yes, most pet insurance covers antibiotics when prescribed for a covered condition — infection, post-surgical care, dental disease, or wound treatment. Reimbursement is 70–90% after your deductible.
Can I use GoodRx for dog antibiotics?
Yes! Many dog antibiotics are human generics (Amoxicillin, Cephalexin, Metronidazole, Doxycycline, Clindamycin). Ask your vet for a written prescription and take it to a human pharmacy (CVS, Walmart, Costco). Use GoodRx coupons for even more savings — often 50–70% cheaper than the vet clinic.
How long do dogs take antibiotics?
Most antibiotic courses are 7–14 days. Skin infections may need 14–21 days. Tick-borne diseases (Lyme) require 28–30 days of Doxycycline. Post-surgical prophylactic antibiotics are 7–10 days. Always complete the full course even if symptoms improve — stopping early can cause antibiotic resistance and recurrence.