Descendants of English Foxhounds brought to the US in the 17th century by George Washington and several of his contemporaries, American English Coonhounds were bred to handle North America's rougher terrain. A dual-purpose dog, they were employed to hunt fox during the day and raccoons at night, using their endless energy and enthusiastic bawl.
The American Eskimo Dog (Eskie to his friends) comes in the largest size range of any of the spitz dogs, from six-pound toy to 40-pound standard. Fun-loving and smart, this is one of the most companionable of spitz breeds.
The American Foxhound is a gentle, loving breed that does well in packs. If one dog is your limit, the humans in the family will have to be the pack. In other words, this breed does not do well isolated in the back yard, but must be part of a group. Several strains exist today, most kept by dedicated hunters.
The American Staffordshire Terrier, like the other bull terrier breeds, has a reputation as a fighting dog. But with the exception of those that have been poorly socialized or trained to fight, the American Staffordshire Terrier is a fine, affectionate canine companion who has been unfairly targeted by legislation aimed at outlawing the breed.
Energetic and playful, the American Water Spaniel loves kids and makes a great companion for active people. They enjoy investigating, running, hunting, fetching, and swimming. This sporting breed likes to keep moving and needs lots of exercise, but isn't as gregarious as more familiar spaniels like Springers and Brittanys.
Aminocaproic acid is a medication that blocks the breakdown of blood clots, and is used to treat postoperative bleeding, especially in sighthounds. It is given by mouth in the form of a tablet or liquid, or it can be given by injection by your veterinarian in the hospital. Side effects are uncommon but can include vomiting, diarrhea, or decreased appetite when they do occur. Do not use this medication in pets that are currently experiencing clotting in the vessels, and use with caution in pets with heart, liver, or kidney disease. If a negative reaction occurs, call your veterinary office.
Amitraz is a topical solution in the form of a medicated dip, spot-on treatment, or collar used to treat demodectic mange or for the prevention of flea and tick infestations. Common side effects include sedation, incoordination while walking, slow heart rate, gastrointestinal effects, skin irritation, and a temporary high blood sugar. This medication is contraindicated in very young, and used with caution in old, debilitated, diabetic, or small-breeds. While animals may exhibit signs of sedation, contact your veterinary office if your pet cannot be aroused from sleep or if the sedation lasts for more than 72 hours. Amitraz is toxic if swallowed, especially in the form of a collar, so contact your veterinary office immediately if this occurs. If they are not available, follow their directions in contacting an emergency facility.
Amitriptyline is a tricyclic antidepressant. Amitriptyline has been prescribed to treat separation anxiety in your dog or to treat excessive grooming, urine spraying or anxiety in cats. In birds, amitriptyline may be used for behavior problems such as feather picking. This medication may also be used to prevent itching in dogs, to treat neuropathic pain or to decrease the signs of urinary tract inflammation in cats.
Amlodipine besylate is a calcium channel blocking agent used to treat high blood pressure in cats. This medication has also been used to decrease blood pressure in dogs with chronic kidney disease.
Ammonium chloride is used to make the urine more acidic, to dissolve certain types of urinary stones, to enhance the excretion of certain types of drugs or to enhance the efficacy of some antibiotics when treating urinary tract infections.