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Serous Drainage

Serous Drainage

In the course of a recovering from an injury or incision, many people find serous drainage an obnoxious problem. In the following passages, we will take a look at the subject in detail.
Madhurjya Bhattacharyya
Last Updated: Mar 22, 2018
Serous is a liquid which is produced by the body and it helps in the healing process of a wound. It helps in diluting the toxins and other harmful products produced by bacteria and dead cells. Moreover, it's the serous fluid which helps in carrying the leukocytes and plasma protein to the site of injury. Serous drainage can be a serious problem if it persists for a long time after an incision has been stitched. Serous drainage is the exudation of fluids when there is an incision on the skin or a wound starts healing.
The term 'serous' means, producing or containing serum. Serum is a clear watery fluid. There are four different kinds of fluids which come out when any part of the body is injured, or when there's a surgical incision. The exudation of these fluids indicate that a particular process is taking place, besides suggesting whether the body is healing itself properly. It also points out if there is anything which prevents proper healing.
Serous Drainage from Wound
Whenever there's a wound, the main types of fluids which come out include:
  • Purulent or pus drainage
  • Pink or white serosanguineous drainage
  • Serous or clear drainage
  • Bloody or sanguineous drainage
Purulent drainage, also called pus drainage, is a light brown, green or yellow colored fluid which comes out from a wound accompanied with a characteristic smell of a wound. It's not normal in case of an incision or wound, and it may indicate that the body is infected by some outside body. This may be accompanied by warmth, redness and swelling. If there is a pus drainage, you need to consult your doctor immediately.
A pink or white sero-sanguineous drainage is quite common during the initial phase of the healing process. Depending on the amount of fluid drained, it may indicate whether the wound has healed or not. Depending on the severity of the wound, the amount of serous drainage would vary. It's normal for the serous fluid to exudate during the initial phase of the wound.
When the wound is fresh, it gives out a bloody or sanguineous drainage which indicates that the freshness of injury. During an injury/incision, the body reacts by rushing the blood to that area to start the healing process. Therefore, after an incision or surgery, it is normal for the blood to come out of that area. However, in some rare cases, large amounts of blood may come out, which calls for an immediate medical attention. You need to follow your doctor's instructions for the wound to heal soon enough. The doctor will also help you with some signs and symptoms like fever, swelling, increased warmth, tenderness etc. that you can expect during the healing process.
Disclaimer : The information given in this article is for informative purposes only and should not be substituted with the advice of a medical practitioner.