salivación excesiva durante el embarazo ¿cuáles son las causas?

Some women feel that they suffer from excessive salivation during pregnancy especially when they are nauseous, some produce so much saliva they need to spit it out frequently to feel better. This excessive salivation called sialorrea is more common among women who suffer from hyperemesis gravidarum, a type of nausea intense.

Causes of the sialorrea:

Experts do not yet know the cause of this excessive salivation during pregnancy, the same that afflicts some women in the first trimester of gestation, but it is possible that hormonal changes are responsible.

For its part, the nausea can cause some women to swallow less saliva, causing it to accumulate in the mouth. Normally your salivary glands produce about a liter of saliva a day, but like swallows in a continuous way does not usually noted. If suddenly you feel more saliva in the mouth, it may be because the body is producing more, or because you're swallowing less, or a combination of both factors.

Also, it is possible that the increased salivation, may relate to the acidity, which is common in pregnancy. The gastric juices are acidic and once you go up the esophagus it may irritate, causing that burning sensation so familiar to people who suffer from heartburn. Once the esophagus receives the arrival of the acids occurs the segregation of saliva because it has a high dose of bicarbonate which is alkaline.

Every time you swallow the saliva is in charge of bathing the walls of the esophagus and in this way helps to neutralize gastric acids. This could explain why some women vomit more tend to produce more saliva.

Also read: prenatal Studies could determine the risk of pathologies

There are also other irritants like smoke, tooth decay and other oral infections, certain medicines, exposure to toxins such as mercury, pesticides, and certain medical problems that can cause increased salivation.

Saliva has other important functions such as lubricating the mouth and producing enzymes that promote the digestion. In addition, it has proteins with antiviral properties, antibacterial and antifungal; those that help protect the mouth and teeth.


  • A visit to the doctor might help to reduce other problems related to the excessive salivation during pregnancy, such as nausea, vomiting, or heartburn.
  • If you have the habit of smoking, this is one more reason to quit (in case you have trouble quitting, you must visit the doctor and ask for a program to quit).
  • It is also time to visit the dentist; especially if it has not been done recently.

If it is true, there are not many things that can be done with this problem, some women have developed the following strategies:

  • Brush your teeth and use mouthwash several times a day.
  • Prepare frequent meals, that are small and balanced, and also, avoid eating too many food-based starches (carbohydrate).
  • Drink plenty of water. To have always a bottle with a liquid and give small sips frequently.
  • The suck on hard candies or chewing gum is not sweetened, you can help make it easier to swallow the saliva that is produced, although it will not decrease your amount.
  • You should avoid candy and chewing gum acids that can facilitate the production of saliva.
  • If it is possible to simply swallow the excess saliva produced. However, if you swallow it it gives a feeling of more nausea, it may be necessary to spit it out into a handkerchief. If this is the case you must make sure to drink enough water to not become dehydrated.

For many women this problem can be mitigated or, in the best of cases disappear along with the nausea at the end of the first quarter. However, in other cases it is maintained throughout the process of gestation.

Read also: Pilar Ruiz and her pregnancy: "The baby's father left me alone since the beginning"

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