Cialis

Viagra

Cialis is a popular erectile dysfunction drug developed by Eli Lilly and Company in the beginning of 2000’s.

The active ingredient in Cialis is Tadalafil, which is a phosphodiesterase type 5 (more often referred to as PDE-5). It acts by increasing the amount of cGMP, thus, enhancing erectile function.

Other erectile dysfunction drugs, for example, Viagra and Levitra are also PDE5 inhibitors, but the longevity of their effect is different. As such, Cialis is the only ED medication that lasts for up to 36 hours. This is why this yellow pill is more often referred to as “the weekend pill.” This means that Cialis is perfect for those men who prefer spontaneous sexual life and do not want to rely upon drugs every time.

The response time in Cialis is just 30 minutes, which is standard for most erectile dysfunction drugs.

Cialis is very effective as it works in 70% of all men. The only ED drug that is more effective is Levitra. The effectiveness of this drug is oftentimes determined by the dosage. Cialis is available in 5, 10 20 mg. Please, make sure to consult a physician prior to taking Cialis in any of the doses listed above.

Keep in mind that Cialis, just as other drugs, has certain side effects. The most common side effects reported by men diagnosed with erectile dysfunction are: headache, indigestion, back pain, muscle aches, flushing, and stuffy or runny nose. Death or heart attack might occur should you fail to follow doctor’s recommendations.

If you want to take advantage of super-fast response time and convenient drug form, consider trying Cialis SuperActive. These gelatin pills act faster than traditional Cialis.

Viagra is believed to be the #1 erectile dysfunction drug on the world pharmaceutical market. It was developed by Pfizer and introduced onto the market in 1998. Thus, this was the first ED treatment with guaranteed effectiveness.

The active ingredient in Viagra is Sildenafil citrate, a PDE-5 inhibitor that acts by blocking PDE-5 enzymes, which neutralize cGMP – substance responsible for relaxation of penile arteries and normal erection.

Viagra usually works for 4 hours, which is a perfect timing for men who prefer to plan their sexual life. The response time in Viagra is approximately 15-30 minutes, which makes this drug very handy for all men.

Just as Cialis, Viagra is effective in 70% of men, which is believed to be very good. The only drug that is superior to Viagra in terms of effectiveness is Levitra, but it has its own disadvantages.

Viagra is available in several dosages. They are: 25, 50, 100 mg. The effectiveness of the drug is highly dependent on the correct dosage, which has to be determined by a doctor. Remember that Viagra is a prescription drug that can be purchased only upon doctor’s recommendation!

Failure to follow the prescribed dosages or self-treatment can lead to serious problems. Viagra, just as other drugs, has reported side effects. They include but are not limited to: headache, flushing, dyspepsia, nasal congestion, impaired vision. Viagra cannot be taken in combination with alcohol as this might lead to heart attack or even death.

Cialis vs Viagra, which is better?

Nowadays drugs such as Viagra (Sildenafil) by Pfizer Incorporated and Cialis (Tadalafil), fruit of the collaboration between Eli Lilly Pharmaceutical Company and YCOS Incorporated, are widely used to treat erectile dysfunction (ED). The former entered the market in 1996, while the latter was launched in 2003.

The action mechanism of both drugs produces phosphodiesterase type 5 (PDE 5) enzyme inhibition that metabolizes 3`:5`-cyclic guanosine monophosphate (GMP), which is responsible for penis erection. To maintain the necessary GMP level they use a routine method of inhibiting the enzyme that splits GMP.

When comparing Cialis vs Viagra, it turns out that the pharmacokinetics data of these drugs is in favor of Cialis. Thus, the period of Viagra's effective half-life is about 3 - 5 h (depending on a dosage), while that of Cialis is 17.5 h. Viagra is effective to maintain an erection for 4 h, while Cialis (20 mg) works for 36 h.

Cialis vs Viagra do not differ dramatically when it comes to side effects: they are quite similar and include vertigo, headaches, diarrhoea, nausea, symptoms of the flu (a stuffy nose), hot flashes, a backache, a stomach ache, and arthralgia.

Although these side effects were transient and benign, or sometimes moderate, the manufacturers of the Cialis drug noted a decrease of intensity in cases when the drug was taken over a longer period of time. The both drugs are contraindicative in men taking nitro preparations.

While Viagra is the first generation medicine and has been in the market for 5 years, there are some facts against it. In July 2002, Harold Millman, an American toxicologist, published the results of Viagra side effects research in Annals of Pharmacotherapy. When comparing Cialis vs Viagra, it becomes evident that the users of Viagra experienced vertigo, disorientation, amnesia. Twenty-two men (out of 270) suspected that Viagra stimulates aggression, 13 that it provokes violence, and 6 people asserted that taking Viagra had given rise to a strong desire to kill someone. These side effects became evident when the maximum dozes of the drug were taken.

Another source (Illustrated Thesaurus, Sex) pays attention to the incompatibility of Viagra with alcohol. The overdosing of Viagra cost the lives of many pensioners. Among the side effects are neuropsychiatry (high aggression), fatal outcome (more than 1000 cases were registered), and paralysis. It is important that research of Cialis vs Viagra showed that there are no restrictions to taking Cialis with food and alcohol, which facilitates its use and meets the patients' needs in terms of their way of life.

An analysis of the existing facts about the characteristics of Cialis vs Viagra allows us to give preference to the former. Nevertheless, one should not forget that the medicine is new at the pharmaceutical market and some additional information about its pharmacological and other features is inevitable to appear.