Slidenafil Flashcards
1
Q
Indications of sildenafil 50mg
A
Adult men over the age of 18 years with erectile dysfunction
2
Q
Mechanism of action of sildenafil
A
- Phosphodiesterase type 5 inhibitor
- Prevents the breakdown of cGMP
- Causes the release of Nitric oxide
- Leading to an erection following sexual stimulation
3
Q
How to take sildenafil 50mg
A
- One 50mg tablet taken approximately an hour before sexual activity
- Max is one 50mg tablet per day
- Onset of activity is delayed when taken with food
4
Q
Contraindications for sildenafil
A
Severe hepatic impairment
Hypotension (<90/50mmHg)
Women
Men who do not have erectile dysfunction
Men under the age of 18
5
Q
Side effects of sildenafil
A
Headache
Flushing
Dyspepsia
Nasal congestion
Dizziness
Nausea
Hot flush
Visual disturbance
Vision blurred
Cyanopsia
Severe side effects: Priapism (erection lasting longer than 4 hours requires immediate medical assistance), sudden visual defects, severe allergic or skin reactions