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• Low energy (lethargy) in cats

  We all know our feline friends like to spend a lot of time sleeping. But would you be able to tell if their lethargy was a sign of a problem?

• Low energy (lethargy) in dogs

  If your dog has less energy than normal, we call it lethargy. Lethargy with no obvious cause usually indicates a problem.

• Luxating patella in dogs

  A luxating patella occurs when a dog's kneecap slides out of the groove in the thighbone. A healthy kneecap should never slip out of the groove, and if it does, we call it a luxating patella (dislocating kneecap).

• Lyme disease in dogs

  Lyme disease is an illness spread by ticks. It’s caused by a bacteria that is spread when a tick attaches to your pet. It can cause a variety of vague symptoms.

• Parasites in dogs

  Mites and lice are tiny parasites that like to live on dogs (and other species). They damage the skin by biting or burrowing and often cause intense irritation.