Yesterday my baby boy cried a lot and he became some kind of blue, I think it's because he was crying for a 3-5 minutes (this doesn't happen before, it's because We had to wake him from sleep :) ), I just wonder is this is a normal behavior, anyway he has a normal skin color, just when he cries he is a little bit of red.
closed as off-topic by Beofett♦ Nov 22 '13 at 13:01
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@Maulik is correct, cyanosis is the term. However, cyanosis is not normal. You need to take your baby to a Pediatrician, asap.
Babies can have mottled skin, usually as the result of the cold (1). Even a crying baby will inhale large gulps of air, which is why some people are keen to hear a newborn cry.
You mention this occurred when you woke you baby up, it may be possible removing him from the warm environment where he slept, especially if the infant is being undressed or having a nappy change, he may have gotten cold and his skin has become a mottled blue from the cold. However, this is pure conjecture, as I have no way of saying whether this is normal.
Cyanosis can be the sign of a serious medical condition. I would seek prompt medical advice. Some examples: I have a nephew (now 20) who had cyanosis as a baby, as he had a serious heart condition (requiring surgery), I have had episodes of cyanosis due to a major vein to my heart being totally blocked (requiring surgery). These are just some examples of how serious the causes of cyanosis can be. I also have a condition called Raynaud's phenomenon (2) which cause peripheral cyanosis.
The only time my babies were blue when crying was when they were first born, and that is because they required oxygen, as they were premature. A healthy baby will usually go red with a good crying bout.
Now that I have frightened everybody. This does NOT mean there IS definitely something wrong with your baby. We cannot see your baby and the color is an interpretation you are giving us.
The term used for this condition is 'cyanosis'. It's a bluish discoloration of the skin (and sometimes mucous membranes). The sole reason for this is lack of adequate amount of oxygen.
When the baby cries a lot, the breathing does not happen properly as a result of what cyanosis happen. It's utterly a normal physiological process and you need not worry about it.
He turn red when he cries a bit -that's because while crying the muscles are contracted and they work harder that boosts the blood circulation locally. This is also normal.