Raynaud’s disease is characterized by a change in the blood circulation of the hands and feet, may reach also the fingers, the nose, the lobes of the ears. The colour of the skin varies sharply, becoming initially pale and cold, passing to bluish or purple, and lastly, the skin back to its reddish in color, normal.
The cause that leads to a sudden change of color of those regions is unknown, but studies show that it can be associated with the exposure to cold and emotional changes abrupt, and so this disease is more frequent among women. Your first episode happens commonly before the age of 40.
The main symptoms
The symptoms of raynaud’s disease appears most often on colder days, when the person needs to seek something in the freezer, or when it enters in the sea and the water is very cold. In these cases, there is a change in the circulation of the extremities, such as toes, ears, nose and feet, for example.
Due to the low amount of blood that reaches the extremities, these areas are whitish and cold, in addition to there may be tingling sensation. Get to know other symptoms of raynaud’s phenomenon.
Causes of raynaud’s disease
The main cause of the raynaud’s phenomenon is the constant exposure or prolonged cold, which results in the change of the blood flow. However, this phenomenon can also happen due to other situations, such as for example:
- Poliomiosite and dermatomyositis;
- Rheumatoid arthritis;
- Sjogren’s syndrome;
- Carpal tunnel syndrome;
- Polycythemia vera;
In addition, the raynaud’s phenomenon can happen as a consequence of the use of any medication, cigarette use, and carrying out activities with repetitive movements, for example.
How is it treated
Raynaud’s phenomenon usually does not require specific treatment, being only recommended, in most cases, the region to be heated so that the circulation is activated and restored. However, it is important to go to the doctor if the symptoms persist or the edges are dark, it may mean that there is death of tissues due to lack of oxygen, and may require the amputation of the region affected.
To avoid necrosis, it is recommended to avoid cold places and use luvar and thick socks in the winter, for example. In addition, it is indicated not to smoke, because the nicotine can also interfere with blood circulation, reducing the amount of blood that reaches the extremities.
However, when the extremities are constantly cold and pale, the doctor may recommend the use of some drugs, such as Nifedipine, Diltiazem, Prazosin or glyceryl trinitrate in an ointment, for example.