House plants poisonous to a cat

house plant poisonous to a cat
Should I eat it...photo by Mrs eNil

oleander house plant poisonous to a catBefore looking at house plants poisonous to a cat it might be useful to ask why an obligate carnivore wants to eat plants in the first place. There are probably several reasons. But we know that cats like to eat grass and grass is actually a green plant (monocotyledonous green plants). When she goes out into the garden, my cat always chews a piece of grass and occasionally goes for one of the flowering plants instead. It seems that she is treating the grass the same as the flowering plant.

The reasons why cats eat plants (including grass) has puzzled the experts. Some think or thought that it is a laxative to help the cat pass hairballs, for instance. Or that eating grass would induce cat vomiting and force the hairball up the other end! This was decided on the basis that cats were sometimes sick after eating grass. However the sickness may have been present before eating the grass. Other theories werePoinsettias house plant poisonous to a cat that eating grass added roughage or ameliorated throat inflammation.

When cats eat grass it is usually only a strand or two - very little which would tend to disprove the above theories. The most recent theory is that cats eat grass because it contains folic acid, a vitamin that has a role in the production of haemoglobin.

"Hemoglobin (also spelled haemoglobin and abbreviated Hb or Hgb) is the iron-containing oxygen-transport metalloprotein in the red blood cells of vertebrates....... Hemoglobin transports oxygen from the lungs or gills to the rest of the body, such as to the muscles, where it releases the oxygen for cell use." (src: Wikipedia published under GNU Free Documentation License, Version 1.2 or any later version - see Wikipedia licensing below).

A shortage of haemoglobin may result in feline anemia. Even full-time indoor cats can eat grass cultivated in a tray - you can buy one as a Christmas present...

The fact that cats eat plants in very small quantities does not mean that people who are vegetarians can convert their beloved cats to the Easter lily house plant poisonous to a catsame diet. Cats eat meat, need meat and become ill if they don't.

So cats eat grass but cannot or should not eat house plants poisonous to a cat which is more likely to happen for indoor cats. Such plants are:
  • Poinsettias (not that toxic apparently - cat will salivate - looks bad but not that bad)
  • Easter Lily may induce kidney failure.
  • Oleander - "(Nerium oleander), is an evergreen shrub or small tree in the dogbane family Apocynaceae" (src: Wikipedia published under GNU Free Documentation License, Version 1.2 or any later version - see Wikipedia licensing below) - this can cause cardiovascular problems
  • "Dieffenbachia is a genus of tropical plants in the Family Araceae noted for their patterned leaves. Members of this genus are popular as houseplants because of their tolerance to shade" - see picture below (src: Wikipedia published under GNU Free Documentation License, Version 1.2 or any later version - see Wikipedia licensing below) - can cause the tongue to swell and inflame the intestine wall.
  • this list is not comprehensive.
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Dieffenbachia house plant poisonous to a cat


Update 3-12-08: We bring in plants at Christmas. Some can be poisonous. Watch out for these:

Holly (Ilex sp.). A plant often brought in at Christmas time, can cause severe vomiting and diarrhea plus mental health problems - depression

Amaryllis (Amaryllis spp). A cat ingesting this plant can result in vomiting, diarrhea, depression, lack of appetite, tremors, drooling and abdominal pain.

Mistletoe (Phoradendron spp.). This is another wellknown Christmas plant. If a cat eats it, it can also cause significant vomiting and diarrhea. In addition, this plant has been associated with difficulty in breathing, a slowed heart rate, collapse and it can cause death if a lot is eaten. Sometimes animals may show erratic behavior and hallucinations.



House plants poisonous to a cat - Source:

  • www.petplace.com

Wikipedia licenses: click on the link to see the terms of a Wikipedia license.

House plants poisonous to a cat -Photos of plants: published under Wikimedia creative commons license license = Attribution-ShareAlike License

Heading photo: published under creative commons license = Attribution-NonCommercial-NoDerivs License

House plants poisonous to a cat- Attributions:
  • Poinsettias - by AndrĂ© Karwath aka Aka
  • Easter Lily - by Solipsist
  • Dieffenbachia - selbst fotografiert
  • Oleander - by Alvesgaspar
From House plants poisonous to a cat to cat health problems

2 comments:

  1. This is list of 24 common plants poisonous to pets :

    Aloe vera

    Symptoms: Vomiting, depression, diarrhea, anorexia, tremors, change in urine color.



    Amaryllis

    Symptoms: Vomiting, depression, diarrhea, abdominal pain, hypersalivation, anorexia, tremors.



    Azalea/rhodedendron

    Symptoms: Acute digestive upset, excessive drooling, loss of appetite, frequent bowel movements/diarrhea, colic, depression, weakness, loss of coordination, stupor, leg paralysis, weak heart rate, and recumbency for 2 or more days; at this point, improvement may be seen or the animal may become comatose and die.



    Baby's breath

    Symptoms: Vomiting, diarrhea.



    Begonia

    Symptoms: Oral irritation, intense burning and irritation of mouth, tongue, and lips; excessive drooling; vomiting; difficulty swallowing.



    Carnations

    Symptoms: Mild gastrointestinal signs, mild dermatitis.



    Castor bean

    Symptoms: Abdominal pain, drooling, vomiting, diarrhea, excessive thirst, weakness, and loss of appetite. Severe cases of poisoning can result in dehydration, muscle twitching, tremors, seizures, coma, and death.



    Chrysanthemum

    Symptoms: Vomiting, diarrhea, hypersalivation, dermatitis.



    Cyclamen

    Symptoms: Gastrointestinal irritation, including intense vomiting. Fatalities have also been reported.



    Daffodil

    Symptoms: Vomiting, salvation, diarrhea; large ingestions cause convulsions, low blood pressure, tremors, and cardiac arrhythmias.



    Gladiola

    Symptoms: Salivation, vomiting, drooling, lethargy, diarrhea.



    Hosta
    Symptoms: Vomiting, diarrhea, depression.



    Ivy (California Ivy, Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, English Ivy)

    Symptoms: Vomiting, abdominal pain, hypersalivation, diarrhea.



    Lilies
    Symptoms: Kidney failure.



    Milkweed

    Symptoms: Vomiting, profound depression, weakness, anorexia, and diarrhea are common; may be followed by seizures, difficulty breathing, rapid, weak pulse, dilated pupils, kidney or liver failure, coma, respiratory paralysis, and death.



    Morning glory
    Symptoms: Gastrointestinal upset, agitation, tremors, disorientation, ataxia, anorexia, hallucinations.



    Oleander
    Symptoms: Colic, diarrhea (possibly bloody), sweating, lack of coordination, shallow/difficult breathing, muscle tremors, recumbency, and possibly death from cardiac failure.



    Poinsettia
    Symptoms: Irritating to the mouth and stomach, sometimes causing mild vomiting.



    Pothos
    Symptoms: Oral irritation, intense burning and irritation of mouth, tongue, and lips; excessive drooling; vomiting; difficulty swallowing.



    Sago palm
    Symptoms: Vomiting, melena, jaundice, increased thirst, hemorrhagic gastroenteritis, bruising, coagulopathy, liver damage, liver failure, death.



    Tomato plant
    Symptoms: Hypersalivation, inappetence, severe gastrointestinal upset, diarrhea, drowsiness, depression of the central nervous system, confusion, behavioral change, weakness, dilated pupils, slow heart rate.



    Tulip/narcissus
    Symptoms: Intense gastrointestinal irritation, drooling, loss of appetite, depression of the central nervous system, convulsions, and cardiac abnormalities.



    Yew
    The bark and leaves of this very popular evergreen provided the basis for the cancer-treatment drug, paclitaxel -- but general ingestion of any part of the tree (except the flesh of the berry) can be very dangerous to animals. Horses have an especially low tolerance to yew.

    Source :
    http://growing-houseplants.com/

    ReplyDelete
  2. Thanks for the list. Really nice contribution.

    ReplyDelete

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