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Characterized by, having the characteristics of, or containing a poison.
Synonym(s): toxic (1) , toxicant (1) , toxiferous, venenous


a. Containing or being a poison: poisonous fumes.
b. Capable of harming or killing by poison: poisonous tentacles.

poi′son·ous·ly adv.
poi′son·ous·ness n.


See poison.


Characterized by, having the characteristics of, or containing a poison.
Synonym(s): toxic (1) , venenous.


having the properties of a poison.

poisonous bride's bush
poisonous plants
plants which contain specific chemical poisons, although they may not be identified. They are a different group from plants which cause illness if eaten in very large amounts or have physical qualities that cause illness, e.g. clover in bloat, tree loppings in omasal impaction. There is a third group of plants, those that are only intermittently poisonous. These form a very large group known to have caused nitrite, cyanide or oxalate poisoning but are valuable plants and are safe if used with care. See also under the names of individual plants or the toxins that they contain.

Patient discussion about poisonous

Q. How Do You Treat Food Poisoning? I've been suffering from food poisoning for the last two days, is there a way to treat it? Is there specific food I should avoid?

A. The most important treatment for food poisoning is drinking water. The body loses many fluids and the danger is dehydration. Our body can last longer without food than it can without water, and therefore it is ok to avoid eating as much as you used to for a short period of time until your digestive system can recover. However it is very dangerous to avoid drinking, despite the possible vomiting.At any sign of dehydration (fatigue, dizziness) you should seek medical care. In case your symptoms go on loger than expected you should visit your doctor, because antibiotic treatment may help as well.

Q. What are the Symptoms of Food Poisoning? My kid started vomiting non-stop tonight, but has doesn't have a fever. We ate lunch at this new restaurant, could this be related? What are the symptoms of food poisoning?

A. Symptoms that occur within 1–6 hours after eating the food, suggest that it is caused by a bacterial toxin or a chemical in the food. During this short "incubation period", microbes pass through the stomach into the intestine, attach to the intestinal walls, and begin to multiply there. Some types of microbes stay in the intestine, some produce a toxin that is absorbed into the bloodstream, and some can directly invade the deeper body tissues. The symptoms produced depend on the type of microbe, but are most commonly vomiting, nausea, fever and stomach aches.

Q. How can I tell if I have food poisoning? I've been having diarrhea and been vomiting for 2 days now. How can I tell if it's food poisoning or anything else?

A. when i got food poisioned i was pooping and throwing up at the same time,it lasted for about 10 hours,

More discussions about poisonous
References in periodicals archive ?
As ambiguous as its title and emotionally complex with subtle shifts of tone and sympathies, it weighs heavy with themes of disillusioned, resigned lives while unfolding as a biting condemnation of hypocritical, poisonously self-righteous morality.
Besides the "apres Blair" stage does not seem to hold out much promise ( New Old Labour might prove to be even more poisonously pustular than Old New Labour.
Diana, however, fascinated me - clothes, hair, jewels, yo-yo weight, her undeniable charisma and, behind the scintillating public glamour, the aura of something poisonously and fatally amiss.
Many city issues are still divisive, but seldom poisonously so.
What jumping's more extreme opponents - and there are some poisonously smug ones about the place - are unable to understand or admit is that the death of horses strikes more deeply at the core of the jumping fan than it does at any of the critics' sweet-smelling,
And if their poisonously unfunny slice of cinema occupies any theater in America past Feb.
Yes, the dailies did a more nuanced job than TV, but the city's main newspaper, the Los Angeles Times, was poisonously politically correct, coming up with such b.
Consider, for instance, how the feminist "Biology and Gender Study Group" sought to demonstrate the extent to which the language of reproductive biology is poisonously "gendered.
It authorised the crew of a B-29 aircraft to overfly Hiroshima and unleash the most poisonously potent force ever known to mankind.
But simpler perhaps if I just say it's a poisonously vulgar, crassly offensive and resolutely cynical joyless abomination that should be neutered and then taken out in a sack and drowned.