Erectile dysfunction medication buying guide

Cialis

(tadalafil)

Time to onset

Cialis takes around an hour to activate, longer if taken on a full stomach.

Duration of action

Cialis normally remains active for up to 36 hours.

Side effects

Most men do not experience significant side effects. Possible side effects include headache, flushing, indigestion, congestion, nausea and dizziness.
On rare occasions a sustained, painful erection called a priapism can occur, which needs medical attention.

Cost

Cialis 10mg x 4: £38.60 (Cialis costs)

Dosage

Levitra

(vardenafil)

Time to onset

Levitra takes 30 - 60 minutes to become active.

Duration of action

Remains active for 12 hours and in some cases longer.

Side effects

Most men do not experience significant side effects. Possible side effects include headache, muscle pain, indigestion, congestion, flushing and dizziness.
On rare occasions a sustained, painful erection called a priapism can occur, which needs medical attention.

Cost

Levitra 10mg x 4: £30.40 (Levitra costs)

Dosage

Viagra

(sildenafil)

Time to onset

Viagra/sildenafil takes 30 - 60 minutes to become active.

Duration of action

Viagra typically remains active for around 4 hours.

Side effects

Most men do not experience significant side effects. Possible side effects include headache, palpitation, indigestion, dizziness, congestion, flushing and blurred vision. On rare occasions a sustained, painful erection called a priapism can occur, which needs medical attention.

Cost

Viagra 50mg x 4: £29.40
Sildenafil (generic Viagra) 50mg x 4: £9.20 (Viagra/sildenafil costs)

Dosage