Medical & Special Situations
Medicines & dry mouth
Many common medicines can reduce saliva and dry your mouth.
Cause
Medicine side effect
Higher risk
Several medicines
Main concern
Tooth decay
Key step
Tell us and your doctor
Overview
A dry mouth is a common side effect of many medicines, including some for blood pressure, allergies, mood and pain. The more medicines you take, the more likely it is.
Saliva protects your teeth, so a lasting dry mouth needs attention. Never stop a medicine yourself; instead, tell us and your doctor so we can help protect your teeth.
What to know
- Many common medicines reduce saliva
- Taking several medicines raises the risk
- Dry mouth increases the chance of decay
- Do not stop any medicine on your own
- Tell us so we can protect your teeth
Common questions
Which medicines cause dry mouth?
Many do, including some for blood pressure, allergies, mood and pain.
Should I stop the medicine?
No. Never stop a medicine yourself. Talk to your doctor or pharmacist.
Why does it matter for my teeth?
Saliva protects teeth, so less of it makes decay more likely.
What can help?
Sip water often, try sugar-free gum, and ask us about protective products.
Can you help protect my teeth?
Yes. We can recommend extra fluoride and tailor your prevention plan.
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Dr Rick Iskandar · Reviewed June 2026