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Doctor insights on: Can Post Nasal Drip Cause Dry Mouth

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Can post nasal drip cause dry mouth when wake up. I seem to have post nasal drip every day only in summer time. Allergy testing?

Can post nasal drip cause dry mouth when wake up. I seem to have post nasal drip every day only in summer time. Allergy testing?

It is common: When post-nasal drip is an ongoing condition, the sinuses can become irritated and swollen what what causes mouth breathing, dry mouth and chronic bad breath. See your PCP for consultation. ...Read more

Mouth (Definition)

Mouth (mouth) " n. Pl. Mouths 1. A. The body opening through which an animal takes in food. B. The cavity lying at the upper end of the alimentary canal, bounded on the outside by the lips and inside by the oropharynx and containing in higher vertebrates the tongue, gums, and teeth. C. This cavity regarded as the source of sounds and speech. D. The opening to any cavity or canal ...Read more


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Can post nasal drip cause dry mouth? I wake up with dry mouth then goes away after drink water. I always swallowing thin mucus that won't come up. Can t

Can post nasal drip cause dry mouth? I wake up with dry mouth then goes away after drink water. I always swallowing thin mucus that won't come up. Can t

Mouth-breathing?: You likely have nasal obstruction as well and mouth-breathing while asleep can give you dry mouth. Consult your doctor to see if you have nasal problem and then observe whether reducing the nasal obstruction leads to improvement in your dry mouth. Dry mouth may also be caused by inflamed salivary glands presumably from an autoimmune process. ...Read more

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Can post nasal drip cause dry mouth? My mouth has been pretty dry for over 24 hours, been clearing thick mucous from throat. Drinking plenty of water

Can post nasal drip cause dry mouth? My mouth has been pretty dry for over 24 hours, been clearing thick mucous from throat. Drinking plenty of water

Possibly: If the post-nasal drips are very salty, then you may end up with a sensation of dry throat like after swallowing a mouthful of seawater. On the other hand, your dry mouth may also be from nasal congestion leading to mouth breathing. You need to get checked out for possible sinus infection as well if the problem persists for more than 10 days or gets worse in the interim. ...Read more

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Can untreated chronic post nasal drip for well over a decade cause mouth issues, like tongue coating and dry mouth, scalloped tongue?

Can untreated chronic post nasal drip for well over a decade cause mouth issues, like tongue coating and dry mouth, scalloped tongue?

Yes: Yes, the chronic post nasal drip is likely causing you to be more of a mouth breather. This causes change in the quality and character of the saliva hence dry mouth, coated tongue, probably bad breath, etc. The scalloped or crenated tongue may be an indication of other health issues such as hypothyroidism ...Read more

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Can allergies only cause congestion and post nasal drip dry mouth and no other symptoms, my nose never drains eyes never itchy but always congested.?

Can allergies only cause congestion and post nasal drip dry mouth and no other symptoms, my nose never drains eyes never itchy but always congested.?

Absolutely: Everybody's allergy to allergens can be different. Stuffiness that goes away then comes back can be allergy related, try some over the counter loratadine or Allegra (fexofenadine) and see your doctor ...Read more

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I'm 18 I have dry mouth every once in a while then it goes away, and comes back, also suffer from post nasal drip, is this cancer?

I'm 18 I have dry mouth every once in a while then it goes away, and comes back, also suffer from post nasal drip, is this cancer?

Dry Mouth: These are not signs of cancer, but diagnosis cannot be confirmed without an exam. Dry mouth is simply a reduction of saliva production and flow. This could be from many different issues ranging from side effects from medications to blockage in saliva ducts. This can be a major concern if this leads to poor oral hygiene, decay and burning mouth syndrome. Have your dentist check this out. ...Read more

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Have had bad breath for years, not dry mouth, often have seasonal allergies and post-nasal drip. Could that be causing bad breath? How to treat?

Have had bad breath for years, not dry mouth, often have seasonal allergies and post-nasal drip. Could that be causing bad breath? How to treat?

Halitosis: Bad breath can be caused by many different factors, including sinus infections, periodontal problems, smoking, cavities, acid reflux, and your diet. Address all of these possibilities with your dentist and physician, and I'm confident that your problem will at least be minimized, and hopefully eradicated. ...Read more

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Frothy thick saliva. Dry mouth while bottom of tongue tip feels glued with saliva, chronic cough, stuffed dry nose (no mucus), post nasal drip-white?

Frothy thick saliva. Dry mouth while bottom of tongue tip feels glued with saliva, chronic cough, stuffed dry nose (no mucus), post nasal drip-white?

Dry mouth: Consider sucking on sugarless lemon drop to stimulate saliva. Make sure that you brush regularly since lack of saliva may lead to dental decay and gum disease. There are also rx drugs to stimulate saliva production if the above measures failed. If you have dry eyes also, then you may have what is called sicca syndrome. ...Read more

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I am using a saline and steroid nasal rinse. Can this cause dry mouth?

I am using a saline and steroid nasal rinse. Can this cause dry mouth?

Definitely, yes: The steroid nasal rinse form affects only local areas but if used excessively, side effects may include: headache, dry mouth, and dry nose. ...Read more

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What could be the cause of me always waking up with a congested nose and dry mouth?

What could be the cause of me always waking up with a congested nose and dry mouth?

See below: These symptoms can only be adequately diagnosed only after a thorough evaluation by your doctor. This may include labs and other satudies. Once all of the information is in, your doctor can let you know what's going on, and what to do to help you. ...Read more

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14 weeks pregnant bad allergies & congestion. Nothing works please help I am not sleeping cause I get dry mouth so bad & can't breathe through nose?

14 weeks pregnant bad allergies & congestion. Nothing works please help I am not sleeping cause I get dry mouth so bad & can't breathe through nose?

Allergies: You may take third generation antihistamines like allegra, Claritin or zyrtec, twice a day if necessary. Sleep with several pillows and a vaporizer and use saline nose drops several times a day. You can also try a non-steroidal nasal spray like astelin. ...Read more

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If you wear a nose tube with oxygen when asleep, could this cause dry or sore throat? Can it cause dry mouth?

If you wear a nose tube with oxygen when asleep, could this cause dry or sore throat? Can it cause dry mouth?

Yes, yes on both: Usually there is a water moisturizer along with the oxygen in the machine that you can turn on. If there isn't, ask for one that does. You do not want dry mouth because this condition can cause rampant tooth decay. Some medications will cause dry mouth. If this happens, ask your physician or dentist to prescribe biotene mouth rinse and saliva replacement. You must meticulously clean your teeth. ...Read more

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Hi I noticed lately that my mouth is always dry and I also has enlarged nasal polyps so my question is the dry mouth something serious? Thanks

Nasal polyps: The dry mouth is probably due to chronic mouth breathing. You should be on nasal steroid to try and shrink your polyps with oral steroids if it gets particularly bad. Surgery is an option for you if the nasal polyps are obstructive. ...Read more

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Throat, mouth so dry. I do leave the fan on at night, can that be the cause or am I not drinking enough water? I do have a history of post nasal drip

Throat, mouth so dry. I do leave the fan on at night, can that be the cause or am I not drinking enough water? I do have a history of post nasal drip

Mouth breathing: Mouth breathing can dry out your mouth, airway i. A dry environment. Illicit drugs, alcohol, many medications, and some medical conditions can lead to extreme dry mouth. Dehydration can cause you to be parched each morning, but not knowing what you drink or don't drink, I can not say if it is not enough. Do think about how much alcohol you are drinking, as that is a common problem at 24. ...Read more

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How can I prevent dry mouth/nose when waking up?

How can I prevent dry mouth/nose when waking up?

Lubricant: I've heard of some that will rub vaseline over the areas before they go to bed. ...Read more

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Sinus issues, dry mouth, pnd, dry nose, could it be from new apartment?

Sinus issues, dry mouth, pnd, dry nose, could it be from new apartment?

Allergies?: Could be allergies. Best to check with an ENT or an allergist to be sure. ...Read more

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Can you tell me how to keep from getting a dry mouth with a stuffy nose?

Breathing: I suspect it has to do with having to breath through your mouth because your nose is closed. Since you have to breath, unstuffing your nose will be key to reducing the dry mouth. ...Read more

Post Nasal Drip (Definition)

Post nasal drip is a term used to describe the common symptoms of sore throat and cough in the presence of a runny nose with sufferers experiencing a worsening of symptoms at night with mild relief during the day. Allergies or nasal/sinus infection cause excess mucous to "drip" into the throat when lying down resulting in congestion, irritation, and inflamation of ...Read more


Dr. Sandra Eleczko
670 Doctors shared insights

Dry Mouth Syndrome (Xerostomia) (Definition)

Can be caused by loss of fluids from diarrhea or vomiting that leads to dehydration, or occasionally as a side effect of a medication. ...Read more