Causes of Dry Mouth

Infographic for Causes of Dry Mouth

Dry mouth, medically known as xerostomia, is a bothersome condition characterised by a persistent feeling of oral dryness, lack of saliva, and difficulty eating, swallowing, and speaking. It's estimated that 20% of adults suffer from dry mouth, making it a widespread issue affecting millions globally.

Saliva plays a vital protective role in oral health. It lubricates the mouth, begins digesting carbohydrates, flushes away food debris, and contains antimicrobial compounds that prevent tooth decay and gum disease. With inadequate saliva flow, we lose these essential functions, putting our oral and even systemic health at risk.

Dry / Moist Mouth

Signs You're Experiencing Dry Mouth

Recognizing the signs of dry mouth is crucial for timely intervention and management. Here are key indicators to watch out for:

  • Persistent Thirst: An unquenchable feeling of thirst, often leading to increased water intake.
  • Sticky, Dry Feeling in the Mouth: A noticeable lack of moisture, resulting in a sticky or dry sensation.
  • Frequent Lip Licking or Chapping: The need to constantly moisten the lips, which often become dry and chapped.
  • Difficulty Swallowing or Speaking: A lack of saliva can make it challenging to swallow or speak clearly.
  • Bad Breath: Saliva helps cleanse the mouth; its absence can lead to persistent bad breath.
  • Altered Taste: Experiencing a diminished sense of taste or a metallic taste in the mouth.
  • Mouth Sores or Cracked Corners of the Mouth: Dryness can lead to the development of sores or cracks, especially at the corners of the mouth.
  • Thick or Stringy Saliva: Changes in saliva consistency, often becoming thick or stringy.
  • Difficulty Wearing Dentures: A lack of saliva can make it hard to wear dentures comfortably.
  • Increased Tooth Decay or Gum Disease: Saliva protects against decay and disease; its reduction can increase these risks.

But what causes our mouth to turn dry in the first place? As it turns out, many factors can hamper saliva production and lead to persistent xerostomia. Let's explore some of the most prominent underlying reasons.

Medications Leading to Dry Mouth

Anticholinergic drugs, such as certain antihistamines and antidepressants, are known to reduce saliva production. Read more about how medications affect dry mouth.

Dry Mouth from Medications

Dehydration and Dry Mouth

It's estimated that a staggering 75% of people may suffer from chronic dehydration, suggesting that they are consistently not drinking enough fluids. Insufficient fluid intake can significantly contribute to dry mouth symptoms. Find out more on Dehydration and Dry Mouth.

Nutritional Deficiencies and Dry Mouth

Nutritional deficiencies, particularly in certain vitamins and minerals, can adversely affect salivary gland function, exacerbating dry mouth symptoms. Find out all the details on our page here, but for a quick overview, here are some key nutrients involved:

Nutrient Function Impact on Dry Mouth
Vitamin B2 Supports saliva production; reduces inflammation Deficiency may lead to reduced saliva production and mouth inflammation.
Vitamin B6 Essential for healthy salivary gland function Inadequate levels can limit saliva flow.
Vitamin A Maintains moisture in mucosal cells Deficiency may result in dry, uncomfortable oral tissues.
Iron Supports structural development of salivary glands Inadequate iron levels may impact saliva production.
Zinc Necessary for taste perception and saliva secretion Deficiency can affect saliva composition and secretion.

Autoimmune Disorders and Dry Mouth

Conditions like Sjögren's syndrome directly impact salivary glands. Learn more about this connection at Autoimmune Disorders and Dry Mouth.

Aging and Reduced Saliva Production

Saliva production often decreases with age. Studies indicate that up to 30% of individuals over the age of 65 experience symptoms of dry mouth. This prevalence rises to nearly 40% in those over the age of 80. Discover the details at Aging and Reduced Saliva Production.

Dry Mouth and Diabetes

As of 2023, approximately 537 million adults are living with diabetes worldwide, according to the International Diabetes Federation, this number is expected to rise to 783 million by 2045.

High blood sugar levels in diabetes can lead to dry mouth. Explore this topic further at Dry Mouth and Diabetes.

Diabetes - Checking blood sugar Levels


Impact of Smoking on Saliva Production

Nearly 1.1 billion people smoke tobacco worldwide. Most are aware of smoking's links to lung disease, heart disease, and cancer. But did you know lighting up cigarettes can also wreak havoc in our mouth? Tobacco use is a significant factor reducing saliva flow - read more at Impact of Smoking on Saliva Production.

Alcohol Consumption and Dry Mouth

It’s a familiar feeling—a sudden onset of parched mouth while sipping cocktails or wine over dinner. But for the nearly 30 percent of adults who regularly consume alcohol, these bouts of oral dryness may signal a more insidious issue – chronic dry mouth caused by excessive drinking. Detailed insights are at Alcohol Consumption and Dry Mouth.

 Anxiety and Dry Mouth

 Do you ever find yourself inexplicably parched while feeling worried or on edge? No matter how much water you drink, it seems impossible to quench your sudden thirst? This frustrating phenomenon has a name - anxiety-related dry mouth. And over a third of adults in the UK deal with this stealthy link between stress and oral health.

A young man with short brown hair, in his early twenties, sitting on a park bench looking troubled and anxious. He's wearing casual clothes.

In essence, saliva keeps our mouth healthy in many intricate ways. When salivary flow drops persistently, we lose these protective benefits and confront rising disease risk instead. As discussed through numerous examples, medications, chronic medical conditions, lifestyle choices, and other issues can directly or indirectly suppress moisture secretion. So if your mouth feels continually parched for over two weeks, don't ignore this red flag. Seek professional help to identify where the problem stems from. Addressing the specific triggers is vital for managing symptoms while safeguarding your oral well-being long-term through well-lubricated tissues and high salivary functionality.

Disclaimer: Sense Hero spray is not a medicinal product and is not intended to diagnose, treat, cure, or prevent any disease. Sense Hero Spray is designed for personal comfort.