Drugs affecting salivary flow Flashcards Preview

GI pharm > Drugs affecting salivary flow > Flashcards

Flashcards in Drugs affecting salivary flow Deck (5)
Loading flashcards...

Recount appropriate pt questions regarding xerostomia

(A postive response to 1/5 correlates with decrease in saliva)
1. Does your mouth usually feel dry
2. Does your mouth feel dry when eating a meal
3. Do you have difficulty swallowing dry foods
4. Do you sip liquids to aid in swallowing dry foods
5. Is the amounts of saliva in your mouth too little most of the time?


Recall drugs most commonly associated with xerostomia as ADE

Antihistamines, decongestants, antidepressants, antipyschotics, antiHTNs
** 1st generation antihistamines have strong anti-cholinergic activity --> chlorpheniramine


Explain the etiology of Sjorgrens syndrome and appropriate tx plan.

AI with destruction of tear and salivary glands. Tx aimed at symptomatic relief and dental care.
DMARDS, avoid meds that cause dryness and alcohol, muscarinic agonists


Contrast the pharmacology of muscarinic agonists cevimeline and pilocarpine.

Cevimeline: CYP3A3/4, 2D6 interactions, M3>>>M1; CI in asthma, glaucoma, iritis, caution in angina, breast feeding, bronchitis, arrhythmias, cardiac disease, children cholelithiasis, COPD, driving, MI, nephrolithiasis, pregnancy
Pilocarpine: No CYP activity, targets all muscarinic receptors, same CI as cevimeline but more caution with pyschosis due to greater CNS activity


What drugs are used for sialorrhea?

botulinum, scopolamine (anti-cholinergics)