Does your dog shake their head more often in the summer, scratch their ears, or have a bad smell coming from one ear? Many owners assume it’s just a little dirt or water left over after swimming. But summer is actually the time of year when ear infections become much more common in dogs. The good news? Most ear infections can be prevented if you recognize the early warning signs and avoid a few common mistakes. If your dog is already shaking their head repeatedly, don’t ignore it. Read our guide on Why Does My Dog Keep Shaking His Head? (And When Should You See a Veterinarian?) to learn when…