Worms.
There are three principal worms infesting dogs.
First, the common roundworm, from two to six inches in length, of a pale pink color, very thin like vermicelli, and greatly resembling the common earth- or angleworm. This is the worm most common in puppies, and inhabits the stomach and lower intestines.
Second, the tænia, or tapeworm, made up of white, flat joints (about half an inch long), often of great length, and also inhabiting the small intestines. It is about as thick as very coarse thread. Both extremities of this worm must be removed, else it will grow again.
Third, the pin- or threadworm, inhabiting the lower bowels, about half an inch in length and of pinkish color. It is apt to cause partial paralysis in puppies, which disappears after the worms are expelled.
More puppies and grown dogs die each year from worms than from all diseases combined. Their presence is generally manifested by the coat being dry and staring, dull and devoid of gloss, disturbed sleep very often resulting in fits, appetite capricious, distention of the stomach, breath generally offensive, nose hot and dry, loss of flesh, diarrhea accompanied by mucous discharge, and general irritableness. From an experience of ten years with Glover’s Vermifuge for all kinds of worms, I have never found anything to equal it, especially for puppies, however delicate. Having made it always a point to give my puppies a couple of doses of vermifuge at two and six months of age, whether they show evidences of having worms or not, I have rarely had any further trouble with these pests.