- cause dry mouth as a side effect.
- Underlying Health Conditions: Conditions like diabetes, Sjögren’s syndrome, and autoimmune diseases can lead to chronic dry mouth.
- Aging: Saliva production tends to decrease as we age, making older adults more prone to dry mouth.
- Snoring or Sleep Apnea: Breathing issues during sleep, like snoring or sleep apnea, can cause mouth breathing, leading to dryness.
Common Medications That Cause Dry Mouth
| Medication Category | Common Examples | Why It Causes Dryness |
| Antihistamines | Cetirizine, Chlorpheniramine, Loratadine | Block histamine receptors that stimulate saliva |
| Decongestants | Pseudoephedrine, Phenylephrine | Reduce secretions |
