If the 1800petmeds.com coupon code isn't working, try the following steps:
- Double-check the code for any typos or errors.
- Ensure the code is still valid and hasn't expired.
- Verify the terms and conditions of the code to make sure it applies to the items in the cart.
- Clear the browser cache and cookies, then try applying the code again.
- Try a different code if the current one isn't working.
- Contact customer support for assistance with the issue.
If none of these steps work, the code might be invalid or expired.