Dry mouth Flashcards
1
Q
Causes
A
Dry mouth (xerostomia) is a symptom rather than a disease affecting 10% of the population.
The commonest primary cause is salivary gland atrophy due to ageing.
Secondary causes are:
- drugs (very common)
- Sjögren syndrome
- depression
- anxiety
- thirst
- dehydration
- anaemia.
2
Q
Features include a:
A
burning sensation
decrease in taste or
bad taste and fetid breath.
3
Q
Treatment
A
Treat identifiable cause
Meticulous oral hygiene
Regular dental checks
Sip sugarless fluids often
Chew sugarless gum
Use a saliva substitute (e.g. Saliva Orthana, Aquae) or frequent mouthwashes (e.g. lemon and glycerin 5–10 mL in 100 mL water)
Use sodium fluoride 0.5% mouthwash for 5 mins each day
Topical applications of glycerin or paraffin oil to the lips
4
Q
Note:
A
Dry eyes + dry mouth + arthritis → Sjögren syndrome.