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Spiraea plants are hardy, deciduous-leaved shrubs. The leaves are simple and usually short stalked, and are arranged in a spiralling, alternate fashion. In most species, the leaves are lanceolate (narrowly oval) and about 2.5 to 10 centimetres (0.98 to 3.94 in) long.
The rash typically persists one to two weeks, but in some cases may last up to five weeks. Urushiol is primarily found in the spaces between cells beneath the outer skin of the plant, so the effects are less severe if the plant tissue remains undamaged on contact. Once the oil and resin are thoroughly washed from the skin, the rash is not ...
About 60% of those infected with the virus will experience symptoms including fever, sensitivity to light, dizziness, nausea and vomiting, severe headache, joint and muscle pain, chills or skin rash.
The pentadecyl catechols of the oleoresin within the sap of poison ivy and related plants causes the allergic reaction; the plants produce a mixture of pentadecylcatechols, which collectively is called urushiol. After injury, the sap leaks to the surface of the plant where the urushiol becomes a blackish lacquer after contact with oxygen. [26] [27]
The yellow fever vaccine, which has been available for 80 years, isn’t part of standard immunizations in the U.S. and is mainly administered when people are traveling to a place that has active ...
Here’s an overview of some things that can cause chills but no fever: 1. Being in a Cold Environment ... If you have a history of a tick bite, especially if you’ve seen a bullseye-shaped rash ...
Vachellia xanthophloea (previously Acacia xanthophloea) is a tree in the family Fabaceae, commonly known in English as the fever tree. [3] This species of Vachellia is native to eastern and southern Africa (Botswana, Kenya, Malawi, Mozambique, Somalia, South Africa, Eswatini, Tanzania, Zambia, Zimbabwe). It has also become a landscape tree in ...
Common symptoms include fever, fast heart rate, rapid breathing, confusion and body pain, according to the World Health Organization. A life-threatening medical emergency like a heart attack or ...