This section is from the book "Everything About The Dogs", by Alvin George Eberhart. Also available from Amazon: Everything About Dogs.
"Vomiting should, if possible, be prevented by carefully selecting those foods that te stomach seems best able to digest, but if it is so irritable as to expel the most easily digested foods, give from two to four drops of Scheele's strength of hydrocyanic acid, combined with from two to eight grains of pepsin, which will relieve the irritability of the digestive organs and stop the vomiting.
"Diarrhea must not be too hurriedly checked, unless the discharges are so frequent as to debilitate the animal. In mild cases give paregoric in from one-half to two teaspoonful closes, and if that is not effectual a mixture of from five to ten grains of chalk and from five to fifteen drops of ether and laudanum may be given in a little milk or soup.
"In arriving at the proper close of the various drugs I have recommended, the minimum dose is suitable for clogs weighing, when developed, from fifteen to thirty pounds, and the maximum is for clogs that will weigh in the vicinity of one hundred pounds. Larger or smaller animals should have the dose correspondingly increased or decreased, as the case may be. Puppies six months of age will stand half the dose given a grown animal of the same breed, and for puppies under six months a corresponding diminution of the dose must be made.
"In conclusion I again desire to caution the owner against exposing puppies to cold during the course of the disease, or when the patient begins to convalesce. Frequently in cases of distemper a very decided improvement in the condition of the patient will be observed, and the owner correspondingly elated and encouraged by a spring-like, sunny day, particularly if the weather has been previously clamp and stormy, he will admit the puppy to the kennel yard for breath of fresh air. The puppy in most cases, after blinking at the sun and stretching, will select the dampest spot that the sun strikes in the kennel yard and curl itself up. A few moment's exposure under these conditions is sufficient, and the next morning the old symptoms, with incerased severity, are present, or the little fellow's labored breathing indicates too plainly the fatal inflammation and congestion of the lungs."
The following is valuable on this disease: A. J. Sewell, M. D. C. V. S., who has lately been appointed veterinarian surgeon to the King of England, gives the following advice regarding the spreading of distemper:
"As distemper just now seems particularly prevalent, and the largo shows recently held are sure to increase the number of cases, this article will assist readers in recognizing the disease at the commencement, so that the infected animal may be isolated early, and thus prevent, if possible, the spread of the disease to other dogs, especially young puppies, which have always a very poor chance of recovering.
"I know some few people, if they get a case of distemper in their kennels, take no means of preventing it spreading; on the contrary, I have heard them say that they let all those puppies which have not had the disease come purposely in contact with the sick.one, so as to let all those have it that will, and get over it for the time being. I must confess this is not my practice with my own clogs; on the contrary, I take every possible precaution I can to prevent them having it, and I know most breeders are as anxious as myself to avoid it.
"As shows are no doubt the greatest source of spreading distemper, I advise that all dogs coming from these places which have not had the disease should not be returned home if there is any young stock in the kennels that one does not wish to be infected, and the farther they are kept away the better. Not only is this necessary, but a separate attendant is required. If you have the same man, you may as well have the same-kennel. If these suggestions are adopted there will not be the least danger of the disease spreading, and I feel pretty sure, if people would properly isolate all distemper cases the disease might be almost, if not entirely, eradicated from the country.
"The first symptom of distemper is a rise of temperature - if a dog is dull and oft" his food, take his temperature. It is best to take it in the rectum, where the normal is about one hundred and one to one hundred and one and one-half degrees Fahrenheit; if taken under the arm or inside the thigh it is one degree lower. If the thermometer registers two or three degrees of temperature above normal you may be sure there is something wrong, and the dog should be isolated at once; and by doing this the infection may often be prevented spreading. If the disease is distemper other symptoms will soon develop, as a husky cough, loss of appetite and condition, and occasionally vomiting. The eyes are weak and sensitive to light, and there is often a little gummy discharge which collects along the edges of the lids; the breath is offensive, and the teeth become furred. Diarrhea may, or may not, occur. If the illness is only some passing ailment the temperature will soon be normal, and the dog assume his usual condition. But the temperature, even in distemper, after two or three days, may go down to normal; but do not be deceived by this, and think the dog is all right, but look out for some of the other symptoms mentioned, and if the dog is in for that disease they are sure to appear, and the fever will return again in a couple of days or so.
"People often think a dog cannot have distemper without there is a • discharge from the nose; this is a mistake, but it certainly does occur in most cases, though it does not appear as a rule until the dog has been ill for some time. If the lungs become affected the breathing is short and quick, not .panting with the mouth open, the chest is tender on pressure. At first there is no cough, but after two or three days there is a suppressed painful cough, with retching. The pulse is often much accelerated, the beats varying from one hundred and ten to one hundred and forty per minute. In some cases the pulse is very slow, and may only be forty-eight to the minute; of course, this refers to a big dog. A pulse of this kind is worse than a fast one with pneumonia. When it is between sixty and seventy in a small dog it is also serious with lung complications. The heart's action in dogs is very frequently intermittent even in health. The eyes during distemper are often a source of anxiety, and in those dogs with prominent orbits, as spaniels, pugs, etc., there is always an inclination for ulcers to form, which are extremely painful."
 
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