Many people love having beautiful fingernails. Whether it is the shape and style or a manicure treat with a new polish, stylish nails can finish a look. Your fingernails — composed of laminated layers of a protein called keratin — grow from the area at the base of the nail under your cuticle.
Healthy fingernails are smooth, without pits or grooves. They're uniform in colour and consistency and free of spots or discolouration. But what does it mean if they suddenly change colour? Is it anything to be concerned about and what can you do about it? There are a number of different colours your nails can appear to be including red, yellow, blue, white and brown.
Many of them are not serious but they can be a red flag for another health issue meaning you need to seek medical attention. While cold temperatures can cause your fingernails to go blue there can be other health issues involved. Skin discolouration - including fingernails - along with lips, tongue and skin - can go blue when there is a low level or lack of oxygen circulating in your red blood cells.
This is called cyanosis. According to the NHS you can tell if you have this condition if you notice the colour change and your hands and feet are usually a normal temperature. However they may be cold if you have poor blood circulation.
It can be caused by a serious problem with the: Other causes of cyanosis include: Treatment Cyanosis is a symptom of many different conditions and the treatment will depend on the cause. Dia.