Cobra, Kamagra en Viagra zijn merknamen voor de stof sildenafil
Cialis is de merknaam voor tadalafil. Volgens mij werkt deze iets langer door.
How quickly do Cialis and Viagra work and does food have any effect
Cialis generally works within 16 to 45 minutes, and its activity is not affected by food. Viagra generally works within 30 minutes, and its effect may be diminished if taken soon after a high fat meal (which may also delay how fast it works). For this reason, Viagra is best taken on an empty stomach.1,2,7
Effectiveness of all PDE5 inhibitors is similar; although reported effectiveness of Viagra, at 84% is slightly higher than that of Cialis at 81%.7 However, more men prefer Cialis because of its longer duration of effect.7