Introduction to Cialis and Viagra

Cialis and Viagra are two of the most commonly prescribed medications for the treatment of erectile dysfunction (ED). Despite their similarity in treating the same condition, there are several key differences between these two pharmaceuticals which include their chemical composition, duration of effect, side effects, and interaction with food and alcohol. Understanding these differences is essential for patients and healthcare providers to choose the most suitable treatment option.

The Active Ingredients

Viagra, which is also known by its generic name sildenafil, and Cialis (tadalafil) function in a similar neurological mechanism. Both of these medications belong to a class of drugs known as PDE-5 inhibitors. They enhance the effect of nitric oxide in the body, a chemical that relaxes muscles in the penis, improving blood flow and allowing an erection in response to sexual stimulation. Despite their similar function, sildenafil and tadalafil have different chemical structures, resulting in different pharmacokinetic properties.

PackAverage Price of ViagraAverage Price of Cialis
10 pills$30$35
20 pills$57$69
30 pills$84$102

Length of Effectiveness

One of the most notable differences between Viagra and Cialis is the length of time each drug stays effective in the body. Viagra generally works for about 4-6 hours after consumption, while the effects of Cialis can last up to 36 hours, earning it the nickname ‘the weekend pill’. This extended duration has a significant impact on how these drugs are used. Viagra is taken when sexual activity is anticipated, while Cialis can be taken daily regardless of sexual activity.

Side-Effects and Interactions

Side-effects for both Viagra and Cialis are relatively similar and may include headaches, flushing, upset stomach, and abnormal vision. However, Cialis may also cause muscle aches and back pain. Further, alcohol can exacerbate the side-effects related to these medicines. Cialis has a lower risk of creating a possible dangerous interaction with alcohol, while Viagra’s potential side-effects can be increased when combined with high alcohol consumption. Also, food has little effect on the absorption of Cialis but it may delay and diminish the effectiveness of Viagra comprehensively.