Sexual Dysfunction Flashcards
(28 cards)
What is ED
Difficulty getting or sustaining an erection that is firm enough for sex
Medications that cause ED
Alcohol
Antideprressants (SSRI, SNRI)
Antihypertensives: BB, clonidine, thiazides
Antipsychotics
BPH (Finasteride, dutasteride, silodosin)
Supplement for ED
L-arginine, yohimbe, pan ginseng
MOA of PDE5I
Release NO → increases cGMP and causes smooth muscle relaxation → ↑ blood flow
Blocks PDE5 from breaking down cGMP
Types of PDE5I
Slidenafil
Vardenafil
Tadalafil
Avanafil
Slidenafil
Viagra
Revatio (PAH)
Vardenafil
Levitra
Tadalafil
Cialis
Adcirca (PAH)
Avabafil
Stendra
Starting dose of Slidenafil
50 mg PO 1 hr before
Starting dose of Levitra
10 mg PO 1 hr before
Starting dose of Cialis
10 mg PO 30 min before
Starting dose of Stendra
100 mg PO 15-30 min before
Criteria to reduce dose for PDE5I
≥65 YO
On alpha-blocker
CYP3A4 inhibitor
Severe renal or liver impairment
Reduce by 50%
CI of PDE5I
Nitrates
ADR of PDE5I
Impaired color discrimination
Hearing loss
Vision loss
Hypotension
Priapism
HA, flushing, DZ, dyspepsia
How to take PDE5I
Slidenafil nd Vardenafil ↓ efficacy when taken with high-fat or large meals
MOA of alprostadil
Prostaglandin E1, vasodilator to improve blood flow to cavernosal arteries
Alprostadil
Caverject (Inj)
Muse (pellets)
ADR of Alprostadil
Penile pain, priapism
Storage on Muse
Refrigerate
MOA of Flibanserin
5-HT1A agonist and 5-HT2A antagonsit
MOA of Bremelanotide
Nonselective melanocortin receptro agonist
Flibanserin
Addyi