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BullaPlural, bullae
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minimal
Minimal
A blister is a small bubble between layers of skin which contains watery or bloody fluid and is caused by friction and pressure, burning, freezing, chemical irritation, disease or infection.
A blister agent is a severe contact irritant. They cause severe chemical burns to any exposed tissue, resulting in large water-filled blisters forming on the affected tissue. Most blister agents are both contact and inhalation hazards. If inhaled, they can cause death shortly after exposure, as the lungs and throat quickly burn and fill with blisters, inhibiting breathing. Alternately, these blister burst, filling the lungs with fluid. Death from inhalation of a blister agent can vary from minutes to several days later, depending on the amount of exposure (the more, the quicker the death). Contact with the outer skin is much less fatal, though extremely painful. Fatalities are usually the result of infection and sepsis from the burst blister wounds.
Exposure to a weaponized blister agent can cause a number of life-threatening symptoms, including:Severe skin, eye and mucosal pain and irritationSkin erythemawith large fluid blisterthat heal slowly and may become infectedtears, conjunctivitis, corneadamageMild respiratory-distress-1to marked airway damageAll blister agents currently known are heavier than air, and are readily absorbed through the eyes, lungs, and skin. Effects of the two mustard agents are typically delayed: exposure to vapors becomes evident in 4 to 6 hours, and skin exposure in 2 to 48 hours. The effects of lewisiteare immediate.
Blister agents, sometimes called vesicants, are chemicals that cause severe and acute irritation to the skin and mucus membranes. There are innumerable weaponized blister agents, but probably the most well known is mustard gas which was used widely during the first World War. This was a Sulfur mustard but their are also Nitrogen mustards. Although developed during World War 1, the British blister agent Lewisite was never used in action and was rendered obsolete with the development of an antidote.
Mustard Gas is a blister agent where blisters do not appear right at the time of exposure usually, so are considered delayed.
A blister is a small pocket of fluid within the upper layers of the skin, typically caused by forceful rubbing (friction), burning, freezing, chemical exposure or infection. Most blisters are filled with a clear fluid called serum or plasma (aka, "blister water"). However, blisters can be filled with blood (known as blood blisters) or with pus (if they become infected)
The meaning of the 'blister' in blister copper is for that fact that its appearance is caused by the escaping sulfur dioxide which gives it the blister look.
It could be a number of things and the child should be taken to a doctor as soon as possible. Some of the things it could be are some type of irritation, infection or allergy.
nerve and blister in liquid form