problem of choice

Comparing Side Effects of Viagra, Levitra and Cialis

29 June of 2016

These three drugs have long been compared by men. Viagra stepped onto the stage many years ago, and since then many of its generics have been developed, there has always been plenty of choice regarding what drug to take and what kind of benefit and potential side effects to choose.

Drugs of this group affect the vascular tissues of the penis very smoothly and selectively, and thus do no harm. They do not cause persistent negative consequences if used regularly or over prolonged periods. Addiction cannot be developed to these pills, except for the purely psychological dependence. Once you try the pill for ED and you feel that the quality of your erection and life rises. This is similar to driving a luxurious car just once in your lifetime makes you never want to drive an economy car again.

Contents

  • 1 The Main Differences between these Three Drugs
    • 1.1 Time of Ingestion
    • 1.2 The Dependence on the Meal and Alcohol
    • 1.3 The Half-life
    • 1.4 The Effect on Color Perception
    • 1.5 Dosage & Side Effects
    • 1.6 Make your Choice

The Main Differences between these Three Drugs

The most decisive indicator of efficiency is the duration of action. Generic Viagra works up to 6 hoursLevitra works up to 10, and Generic Cialis up to 36 hours (it is called “drug outlet”). Cialis is more comfortable in the use, as there is no problem in the sudden wear-off of its action.

Time of Ingestion

Levitra is the leader here; it starts to be active within 15 minutes after ingestion. Viagra takes effect within 30-45 minutes. Cialis is best taken 30 minutes before sexual intercourse.

The Dependence on the Meal and Alcohol

The medicinal effect of Canadian Viagra is greatly reduced when receiving abundant and fatty foods, so it is always taken on an empty stomach. Simultaneous use of alcohol can weaken the effect of Viagra. Meals (especially fatty meals) and alcohol have almost no effect on the therapeutic action of Levitra and Cialis.

The Half-life

This indicator is important for people suffering from cardiovascular and renal disease. The use of these drugs in conjunction with drugs containing nitroglycerin is dangerous to life! Viagra has the shortest half-life – 3-5 hours; therefore (if strictly prescribed by a doctor), it is better to take Viagra. With half-life of Levitra up to 6 hours, and of Cialis up to 18 hours, they are contraindicated (absolutely) for patients receiving nitroglycerin!

The Effect on Color Perception

Viagra sometimes changes color perception. Cialis and Levitra do not have such a side effect. Do not take Viagra before or during work, if you need to stay focused and attentive, or if you have a car drive ahead.

In diabetes, metabolism is commonly disturbed. The absorption of drugs into the bloodstream deteriorates. When comparing Levitra to Cialis and Viagra, it should be noted that the first drug is the perfect solution – high effectiveness and minor side effects are guaranteed.

Cialis manifests a weaker effect. If with Cialis and Viagra their action is insufficient or ineffective, Levitra can replace them.

Dosage & Side Effects

Canadian Viagra contains 50 or 100 mg of active substance – Sildenafil. Cialis and Levitra contain 20mg of the active ingredient – Tadalafil and Vardenafil respectively;

Side effects of the drugs are very similar and manifest quite rare. Levitra should not be used when the deformation of the penis is present. Cialis is more secure. Cialis causes negative feeling when sexual act has failed.

There are some considerable variations in side effects for all the three drugs. For example, headache is the most popular collateral effect of these medicines. The headaches occur in 19% of Viagra patients, while with Levitra and Cialis it is 15% and 11% respectively. Then, these pills also may cause sudden rushed of blood to the face as their side effect. Again, 19% of people taking Viagra have experienced that, with a much less significant percentage for Levitra and Cialis takers. If we take nose congestion, the percentage of occurrence is relatively the same for all three pills – around 5%. Nausea and diarrhea are the most common for Cialis with 17% of people experiencing those, while for Viagra and Levitra the percentage is around 6%. Back pains are manifested only while taking Cialis and are absent as a side effect for the two remaining pills. Vision distortion (color vision) is a side effect for Viagra, but it is very rare, only about 3% of occurrence. However, it is completely absent with both Levitra and Cialis.

Make your Choice

The problem of the choice of the drug depends on many factors. For elderly patients it is preferable to take Cialis. When erectile dysfunction has a psychogenic nature, Viagra is the best choice. When a patient has metabolic disorders, Levitra is the best option. Pick your product correctly – it is the most important step in the treatment of erectile dysfunction.

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