This section is from the book "Cats And All About Them", by Frances Simpson. Also available from Amazon: Cats And All About Them.
The truth of the following extract from an American paper cannot be too frequently impressed on the minds of fanciers: "The worm has but little chance in the healthy stomach of a cat." So build up the constitution of your puss that she can resist the ravages of these pests.
Most cat fanciers know too well the symptoms which are suggestive of worms in their cats, but for the benefit of beginners I would tell them to be suspicious when they find their pussies have ravenous appetites and yet seem to be none the better or fatter for their food. Again, the appearance of the coat is very tell-tale, the fur is "spiky" instead of fleecy and fluffy, and I have found no surer sign of worms than when the corners of the eyes come up in a sort of white skins. This betokens tapeworms, which are really even more serious than wire-worms.

Mrs. Robinson's Siamese Champion Wankee
A pinch of salt in pussy's food is an excellent thing. I believe it is a preventive against worms, and it is good for the blood. Be careful, however, not to give too much, as this would cause skin trouble, and when a cat is in kitten extra care should be taken, as I have known a too lavish use of salt under such circumstances bring on a miscarriage.
If it is necessary to administer a dose for worms to your cat, do not give an aperient at the same time. Wait about an hour, and then the vermifuge will have done its work, and the aperient will cause evacuation of the worms. It is generally considered a bad sign if these pests are vomited, and denotes the presence of still more to be got rid of.
A very common cause of worms in cats is eating decomposed food. There are three kinds of worms - the small thread worm, which resembles a piece of crochet cotton, the long round worm, and the tapeworm. It is the last named that works most serious havoc.
There are several remedies for worms to be obtained of the leading veterinaries and cat specialists, but I am greatly against the " worming " of young kittens. It stunts their growth and interferes with their digestive powers. If delicate kittens are dosed, it sometimes finishes them off. I recommend all fanciers so to feed and nourish their young kits that they can have strength enough to resist these pests, which are more or less present in every animal. It is just a matter whether the worms or the creatures are the stronger.
It is always a bad sign if a cat or kitten in being sick brings up a worm. You may be very certain that there are lots to follow, so it would be best to start a course of powders at once. Delays are dangerous, especially as regards doctoring such sensitive creatures as Persian kittens.
After worming a cat or kitten it is very important to give the digestive organs a rest, and for this purpose a course of powders, such as are supplied by Salvo, will be found very beneficial.
A very sure sign of worms in a kitten is a prominent backbone with an inflated stomach. You may think your puss is nice and fat, but the size of its body is the result of indigestion and flatulency.
If you suspect your cat to be afflicted with tapeworm, I should recommend you to hand her over to some careful and clever veterinary. The only hope of expelling these pests is by administering either areca nut or oil of male fern, and these powerful medicines need most judicious handling. It is most important, and indeed essential, that the head of the tapeworm should be expelled. The rest of the creature comes away in sections.
It is a sure sign of indigestion probably due to the presence of worms if you find a sort of scale coming partly over the eyes of your cat. I have known novices in the fancy to imagine that in this case there is something wrong with the eye itself, and lotions have been supplied. It is, however, entirely caused by internal disarrangement, and your puss requires a course of treatment. Nothing gives a cat a more disagreeable appearance than this ugly film over a portion of the eye.
Some fanciers are under the delusion that castor oil is a universal cure for all ills, and they dose their cats accordingly. I have known this nasty stuff given for worms. Believe me, the worms thrive the more on it, and the result is upsetting poor pussie and causing her great discomfort.
Freeman's capsules for worms are the very smallest I have seen. They are so easily given, and are prepared for cats and kittens. I have found them excellent, and always follow them up with an aperient capsule of the same minute size, supplied by the same firm.
 
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