Contact Dermatitis. Contact dermatitis is a rash caused by direct skin exposure to a substance. It is one of the most common skin disorders, with a lifetime prevalence of 30 percent. 12 Often intensely pruritic, the dermatitis can be induced by an allergen or more commonly by an irritant.
Bird of Paradise poisoning: Various parts of the Bird of Paradise plant are poisonous-the seeds contain toxic tannins and the leaves can contain hydrocyanic acid. Eating five seed pods can result in poisoning symptoms but the plant is generally considered to have low toxicity.ird of Paradise poisoning: Various parts of the Bird of Paradise plant are poisonous-the seeds contain toxic tannins and the leaves can contain hydrocyanic acid. Eating five seed pods can result in poisoning symptoms but the plant is generally considered to have low toxicity.
Giant hogweed (Heracleum mantegazzianum) has the worst reputation for it, but âfriendlyâ plants such as carrots, celery and limes can all blister the skin in the wrong conditions. One of the worst untouchable species, whatever the weather, earns the dubious honour of being the worldâs most dangerous tree.Thereâs a difference between poisonous and harmful. You can say whatâs the most poisonous plant fairly easily â theoretically looking at the toxins in it and what they can do,â says John Robertson.