What’s Better?
Generic Levitra, Viagra or Cialis of Canadian Family Pharmacy- which is better? This question is often asked by experts in the field of male sexual disorders. Erectile dysfunction has evolved into one of the most common diseases. According to experts, every fifth man at least once in his life has faced insufficient erection. Most often, ED occurs in people older than 40 years, although young boys are also at risk.
Viagra, Cialis and Levitra Canadian Family Pharmacy are used in modern medicine to restore the erection. These drugs almost completely replace the existing traditional means. They are widely used due to the high level of efficiency. Each of them has its own peculiarities, which it is desirable to read before the reception. In this comparative review, Canadian Family Pharmacy will take a closer look at the characteristics of these drugs so that you can determine the best option for yourself.
Inhibitors of PDE-5
Levitra, Viagra, Cialis are preparations belonging to the group of inhibitors of phosphodiesterase type 5 – Canadian Family Pharmacy underlines. The blood vessels leading to the cavernous bodies of the penis are lined with smooth muscle cells. They squeeze arteries, not allowing blood to enter the sexual organ. To relax the smooth muscles, a cyclic guanosine monophosphate is required. With its allocation process of erection appearance begins. However, cGMP can be destroyed by the enzyme PDE-5. To help a man maintain an erection, drugs that block the action of phosphodiesterase were created. Smooth muscle cells are also lining lungs vessels. Therefore, PDE-5 inhibitors can be used to treat pulmonary hypertension.
Comparison of Viagra, Cialis, and Levitra
A truly effective treatment for erectile dysfunction became possible with the advent of drugs such as generic Cialis, Viagra, Levitra. A comparison of the main characteristics of these drugs is given below. So that everyone can better understand the existing inhibitors of PDE-5, Canadian Family Pharmacy decided to first detail on each drug separately.
Viagra (Sildenafil Citrate)
So, which drug is better – Cialis, Viagra or Levitra? Let’s start in order. Viagra appeared first on the shelves of pharmacies. The active substance is Sildenafil, developed by Pfizer. Initially, it was created to fight against stenocardia. However, clinical trials have shown that Sildenafil copes badly with this purpose. But it turned out that the drug is effective in fighting male impotence. In approximately 84% of cases, Viagra contributed to sustainable erection achievement.
Levitra (Vardenafil)
The comparative characteristics of all drugs are given below. In the meantime, get acquainted with the following medications for potency. The noisy success of Sildenafil stimulated scientists to develop new ways to fight against impotence. The next active substance appeared in the laboratory of Bayer. The effect after application of Vardenafil is maintained for a somewhat longer period. In addition, many men say that Levitra performs milder.
Cialis (Tadalafil)
The youngest of the three is Cialis. The active substance Tadalafil has a very long period of action. For sale in the US, it was approved in 2003. Active substance development was carried out by the pharmacological company GlaxoSmithKline. This is the only drug allowed for daily intake. It is also used in the treatment of benign prostatic hyperplasia.
Viagra | Levitra | Cialis | |
---|---|---|---|
Active Component | Sildenafil | Vardenafil | Tadalafil |
Disorders at which they are applied |
|
|
|
Effectiveness when treating ED | 82-84% | 80% | 81% |
Pharmacological Form |
|
|
|
Effect Onset | 30 min | 25 min | 16-45 min |
Effect Duration | 4-5 hours | 4-6 hours | up to 36 hours |
Recommended Dosage | 50 mg | 10 mg | 10 mg |
Food Intake | recommended to take on empty stomach | High-calory dinner may slow down effect | Effect doesn’t depend on food intake |
Table 2. The frequency of Side Effects Appearance
Viagra | Levitra | Cialis | |
---|---|---|---|
Hot flushes | 5-10% | 10% | 3% |
Headache | 15-17% | 15% | 10% |
Nasal congestion | 1% | 8% | 3% |
Stomach ache | 6-8% | 3% | 9% |
Back pain | no | no | 6% |