Illustrated Articles
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Ketoconazole otic is an antifungal used in the treatment of external ear infections (otitis externa) caused by yeast in cats, dogs, and other animals. Ketoconazole otic comes in ointment or liquid drop suspension forms that may be specially compounded and/or combined into a formulation with other medications.
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Ketoconazole topical is an antifungal used in the treatment of skin infections caused by fungal organisms in cats, dogs, and other animals. It comes in a variety of forms that may be specially compounded and/or be combined with other medications.
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Ketoprofen is given by mouth in the form of a capsule or tablet to treat pain and inflammation in dogs and horses. It’s use in animals is off label. Do not use this medication in pets that are allergic to it, or in pets concurrently using corticosteroids or other NSAIDs. If a negative reaction occurs, call your veterinary office.
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Ketorolac is applied topically to the eye to treat pain and inflammation of the eye. Its use in dogs and cats is off label. Do not use this medication in pets that are allergic to it. If a negative reaction occurs, call your veterinary office.
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The lacrimal duct is part of the nasolacrimal system, a series of narrow tubes that allow tears to drain from the eye into the nose and mouth. This duct can sometimes become blocked or fail to develop properly, resulting in tears overflowing and potentially staining the face below the eye. The clinical signs, diagnosis, and treatment options for the condition are explained in this handout.
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Lactated Ringer’s solution (also known as LRS, Ringer’s Lactate) is a fluid and electrolyte (salts) replacement solution used to correct fluid and electrolyte imbalances in cats, dogs, birds, pocket pets (small mammals), and other animals. Lactated Ringer’s solution comes in injectable form, usually given subcutaneously for at home administration.
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Lactulose is used off label and is given by mouth to treat high blood ammonia levels and constipation in dogs, cats, birds, and reptiles. The most common side effects are diarrhea, bloating, gas, and abdominal cramping. Do not use in pets that are allergic to it or in pets with intestinal blockage/obstruction.
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Lameness is an inability to properly use one or more limbs due to pain or weakness. The most common causes of sudden lameness in dogs are soft tissue injury (strain or sprain), injury to a joint, bone fracture, or dislocation. Your veterinarian will determine the best course of action based on your pet's condition, a detailed examination, and the results of diagnostic tests. Definitive diagnosis of the cause can be difficult. In some cases, a trial with anti-inflammatory medications and rest may be necessary.
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Laryngeal paralysis is a condition that causes dysfunction of the larynx causing reduced ability to breathe deeply and can obstruct the airway. It can be a congenital condition of young dogs or may be due to a neuromuscular disease in older dogs. Clinical signs include coughing, noisy breathing, and exercise intolerance. A definitive diagnosis is made through an examination of the larynx with an endoscope or laryngoscope. Treatment of mild cases involves environmental management to reduce any stress on the larynx and medications used for flareups. More severe or congenital cases require surgery.
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Laser surgery is a procedure that generates a beam of light energy at a specific wavelength, resulting in the cutting of tissues. There are advantages of laser surgery when compared to traditional stainless steel surgical scalpels, which are decreased pain, decreased inflammation, reduced blood loss, and improved tissue healing. Routine procedures such as ovariohysterectomy and castration are commonly done with laser.