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What is dry mouth?

Dry mouth, also known as xerostomia, is a condition associated with a reduced salivary flow. This is a very common symptom and frequently seen as a side effect of many medications.

You may also experience dry mouth when you are nervous or under stress. It is associated with ageing as well. Severe dry mouth can lead to difficulty in speech, chewing, and swallowing. Dry mouth also increases the risk of dental caries and other infections, such as oral thrush.

What are its main signs and symptoms?

The following are the signs and symptoms of dry mouth:

What are the main causes?

Dry mouth occurs due to several reasons:

  • Dehydration due to inadequate intake of fluids or due to medical conditions, such as kidney disease and diabetes.
  • Breathing through the mouth (during night) is also responsible for dry mouth. Nasal polyps, enlarged tonsils, and allergic rhinitis are the conditions that force breathing through the mouth, leading to dryness.
  • Diabetes causes reduced salivary flow
  • Radiation therapy for cancer treatment
  • Smoking
  • Dry mouth may be a result of an autoimmune disease as well (Sjogren’s syndrome)
  • Drug induced

How is it diagnosed and treated?

It can be diagnosed by the following methods:

  • Sialometry – measuring the flow of saliva
  • Sialography – use of radiopaque dye in the salivary duct
  • Other Investigations – ultrasound, magnetic resonance imaging, biopsy of the salivary gland, etc.

There is no standard guideline for the treatment of dry mouth. However, you may try reducing the discomfort by the following means:

  • Salivary lozenges and salivary spray for immense relief
  • Salivary gland stimulants, such as chewing gums and organic acids
  • Increased fluid intake to reduce dryness of mouth
  • Systemic medicines

Differential diagnosis

  • Sjogren’s syndrome is a condition of dry mouth and dry eyes
  • Radiation therapy can result in mouth dryness
  • Physiological conditions, such as sleep deprivation, anxiety, and nervousness, may result in transient dryness of mouth
  • Hormonal disorders
  1. Medicines for Dry Mouth
  2. Doctors for Dry Mouth
Dr. Gaurav Chauhan

Dr. Gaurav Chauhan

सामान्य चिकित्सा

Dr. Sushila Kataria

Dr. Sushila Kataria

सामान्य चिकित्सा

Dr. Sanjay Mittal

Dr. Sanjay Mittal

सामान्य चिकित्सा

Medicines for Dry Mouth

Medicines listed below are available for Dry Mouth. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
Bjain lavandula angustifolia DilutionBjain lavandula angustifolia Dilution 1000 CH63
Schwabe Aethusa cynapium MTSchwabe Aethusa cynapium MT 100
ADEL Nux Moschata Mother Tincture QADEL Nux Moschata Mother Tincture Q 240
ADEL 31 Upelva DropADEL 31 Upelva Drop200
Schwabe lavandula angustifolia CHSchwabe lavandula angustifolia 1000 CH96
Bjain Lemna minor DilutionBjain Lemna minor Dilution 1000 CH63
SBL Senecio aureus DilutionSBL Senecio aureus Dilution 1000 CH86
Bjain Candida albicans DilutionBjain Candida albicans Dilution 1000 CH63
SBL Senecio jacobaea DilutionSBL Senecio jacobaea Dilution 1000 CH86
Schwabe Lemna minor CHSchwabe Lemna minor 1000 CH96
ADEL Iris Tenax DilutionADEL Iris Tenax Dilution 1000 CH144
Schwabe Aethusa cynapium LMSchwabe Aethusa cynapium 0/1 LM80
SBL Menispermum canadense DilutionSBL Menispermum canadense Dilution 1000 CH86
ADEL Lemna Minor DilutionADEL Lemna Minor Dilution 1000 CH144
Schwabe Nux moschata MTSchwabe Nux moschata MT 88
Bjain Stramonium LMBjain Stramonium 0/1 LM39
SBL Dibonil DropsSBL Dibonil Drops 84
SBL Atropinum DilutionSBL Atropinum Dilution 1000 CH86
SBL Solanum tuberosum aegrotans DilutionSBL Solanum tuberosum aegrotans Dilution 1000 CH86
SBL Mercurialis perennis DilutionSBL Mercurialis perennis Dilution 1000 CH86
ADEL Ricinus com Mother Tincture QADEL Ricinus com Mother Tincture Q 208
Schwabe Cuprum arsenicosum CHSchwabe Cuprum arsenicosum 1000 CH96
Schwabe Ricinus communis CHSchwabe Ricinus communis 1000 CH96
Bjain Senecio aureus DilutionBjain Senecio aureus Dilution 1000 CH63
Bjain Senecio jacobaea DilutionBjain Senecio jacobaea Dilution 1000 CH63

Do you or anyone in your family have this disease? Please do a survey and help others


  1. Mohammed Alsakran Altamimi. Update knowledge of dry mouth- A guideline for dentists. Afr Health Sci. 2014 Sep; 14(3): 736–742. PMID: 25352896
  2. MedlinePlus Medical Encyclopedia: US National Library of Medicine; Dry Mouth
  3. National Health Service [Internet]. UK; Dry mouth
  4. National institute of dental and craniofacial research. Dry Mouth. National institute of health. [internet].
  5. Better health channel. Department of Health and Human Services [internet]. State government of Victoria; Dry mouth syndrome
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