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Hyaluronate sodium ophthalmic (Remend®, I-drop®, Oculenis®) is a lubricating topical eye drop. It is used in dogs and cats to help lubricate and moisturize the eye and to minimize dryness and irritation. It is often used to support pets with decreased tear production, such as pets with keratoconjunctivitis sicca (dry eye). Hyaluronate sodium ophthalmic drops can be used to accelerate healing for pets with eye injuries.
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Hydralazine is given by mouth and is used off label to treat high blood pressure and some causes of heart failure in cats and dogs. Side effects include decreased appetite, vomiting, and/or diarrhea. Do not use in pets that are allergic to it or in pets with heart vessel disease, low blood pressure, severe dehydration, or severe blood loss.
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Hydrocephalus is an excess of cerebrospinal fluid (CSF) that has leaked inside the skull, leading to brain swelling. There are two main types of hydrocephalus in dogs: congenital and acquired. Small, miniature, toy, and brachycephalic breeds seem to be more affected. Signs, diagnosis, and treatment are outlined. Your veterinarian will discuss your pet's prognosis and treatment options based on its individual condition.
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Hydrocodone is an opiate agonist given by mouth as a tablet or liquid and used off label to treat pain and dry cough in dogs. The most common side effects include sedation and constipation. Do not use this medication in pets that are allergic to opiates or that have ingested a toxin. Use with caution in debilitated or geriatric pets, pets with a head injury, or pets that have thyroid, heart, lung, liver, kidney, or adrenal disease. If a negative reaction occurs, call your veterinary office.
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Hydrocortisone ophthalmic is a topical steroid medication used to treat surface inflammation in the conjunctiva of the eye. It is used to treat inflammatory eye conditions in cats and dogs. It may be used “off label” or “extra label” to treat eye conditions in animals other than cats or dogs. Hydrocortisone ophthalmic comes in ointment and liquid drop form. Avoid use in animals with viral or fungal infections, corneal ulceration, and birds.
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Hydrocortisone topical is a medication applied to the skin that comes in many forms such as creams, ointments, shampoos and sprays, and is used to treat itchiness and inflammation. Side effects may include irritation at the application site, and with long-term use, can include thin skin, skin bumps, and blackheads. Use this medication with caution in pregnant pets or in pets with skin tuberculosis.
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Hydroxyurea is given by mouth and is used off label to treat certain cancers in cats and dogs. Common side effects include bone marrow suppression, lack of appetite, vomiting, diarrhea, mouth and stomach ulcers, loss of toenails and/or hair coat. Do not use in pets that are allergic to it, or in pregnant pets unless absolutely necessary. If a negative reaction occurs, please call your veterinary office.
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Hydroxyzine is given by mouth or injection and is used off label to treat allergic or itchy conditions. Give as directed. The most common side effect is sedation. Do not use in pets that are allergic to it or cetirizine, or pets that have heart failure, urinary obstruction, or stomach obstruction. If a negative reaction occurs, please call your veterinary office.
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Hygromas are fluid-filled non-painful swellings that develop suddenly over a bony prominence. They are the body’s reaction to repetitive trauma and usually a result of laying too frequently on hard surfaces. The best treatment is to ensure the prominence affected is well padded to allow the hygroma to recede. This can be accomplished by appropriate padding in the dog’s living quarters and by directly padding the affected area if possible. Rarely, hygromas become infected requiring antibiotics. Very few will need surgery to manage them. This would be recommended on an individual case basis.
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The term hypercalcemia is used when the level of calcium in the blood is higher than normal. Calcium levels are controlled by a pair of parathyroid glands. High calcium levels may signal the presence of serious underlying disease including kidney failure, adrenal gland failure, a parathyroid gland tumor, and some types of cancer. Pets with hypercalcemia may show signs of weakness, listlessness, increased drinking and urination, and loss of appetite. Your veterinarian will perform diagnostic tests which may include total calcium, ionized calcium, albumin, and parathyroid hormone levels.
