Hives are itchy red bumps, also known as wheals or welts.
荨麻疹是发痒红疙瘩 也称为风团或者红肿块
This is not uncommon in infancy amongst toddlers.
这在婴幼儿时期并不罕见
Acute hives often come on after a food allergen exposure
如果婴儿确实对食物过敏
if indeed the infant is food allergic.
在接触食物过敏源后 通常会出现急性荨麻疹
And there’s normally and obvious cause. So,
原因通常很明显
if the child is egg-allergic and they eat scrambled eggs,
如果孩子对鸡蛋过敏 并且他们吃了炒鸡蛋

hives will typically come on
那么麻疹通常会出现在头部和颈部
around the head and neck and elsewhere on their body.
以及身体其他部位
Hives that come on over weeks
持续数周的麻疹
such as two to three weeks often arise due to an infection.
如两到三周的麻疹 通常是因为感染而产生的
Here, you’ll find that antihistamines are not very effective at controlling these
在这里 你会发现 抗组胺剂在控制这些方面不是特别有效
and that they wax and wane –
它们会起起落落
some days will be worse than other days.
有些日子会比其他日子更糟
And this arises due to an infection,
这是由感染引起的
sometimes a very mild infection such as just a runny nose.
有时是非常轻微的感染 比如流鼻涕
Hives that come on for longer than six weeks,
如果荨麻疹持续多于六周
this condition is known as chronic spontaneous urticaria.
这种情况叫做慢性自发性荨麻疹
This is a very troubling condition where the hives lasts
这是一种非常麻烦的情况
for two, three, and
麻疹会持续2 3年
in some patients even many more years.
有些病人甚至会持续更多年
High-dose antihistamines are required and indeed there
他们需要高剂量的抗组胺药物
are other medications for these patients.
确实还有其他药物可以治疗这些患者
And they need to be seen in expert centres.
并且他们需要在专家中心进行检查