Crucial Information Regarding Levitra vs Viagra

viagra genericViagra and levitra are prescription drugs used in treatment of pulmonary arterial hypertension and erectile dysfunction. Viagra was introduced in 1998 as a drug for treating pulmonary arterial hypertension. The clinical tests showed that active ingredient referred as sildenafil citrate helps in relaxing penis muscle tissues, leading to increased flow of blood. On the other hand, levitra was introduced in 2003 to treat erectile dysfunction. Both levitra and Viagra works in the same way. 

Appearance

Viagra tablets are blue in color and round elongated diamonds in shape. There is Pfizer that is engraved on one side of the pill and a dosage amount is printed of the other side. They are available in 25 mg, 50 mg and 100 mg doses. Levitra tablets are orange in color and are available in 2.5mg, 5mg, 10mg and 20mg doses. Both medications should be taken half to one hour before engaging in sexual activity. 

Working mechanism 

Viagra and levitra works by inhibiting an enzyme known as phosphodiesterase type 5. The drugs make the penis to relax and allow blood to flow easily leading to an erection. However, it is worth noting that for erection to occur after taking the two medications, one has to be sexually stimulated failure to which the desired results will not be attained. 

Rate of reaction

According to the levitra label one is supposed to take it sixty minutes before engaging in sexual activity. However, studies have shown that it can work faster than this. The drug also has high chances of offering the best results for the first time. The rate of reaction of Viagra is highly dependent on an individual. Users are advised to take Viagra at least half an hour to one hour before sexual intercourse. 

Consumption Instructions 

Levitra can be consumed with or without food. Most people are advised to take 10mg daily sixty minutes before sexual intercourse. Viagra can also be taken without or with food. However, users are instructed to avoid drinking grapefruit juice or eating grape fruit. The two might affect the effects that the drugs in the body. In addition, taking Viagra with fatty or greasy foods is not recommended because they can affect its absorption. 

Storage advice

pfizer viagraBoth drugs should be stored at a temperature between 15 to 30 degrees centigrade. They should also be stored away from reach of children or pets because they can have detrimental effects on them. 

Adverse effects 

Levitra can lead to side effects including stomach upset, headaches, nausea and flu like signs. It might also lead to some severe effects such as low blood pressure, chest pain, abnormal ejaculation, painful erection or blurred vision. On the other hand, Viagra can lead to adverse effects such as stomach pain, headaches, nasal congestion, diarrhea, facial flushing or problem differentiating between colors blue and green. 

Warnings

Before taking levitra or Viagra one must get prescription from a doctor depending on a full medical history. Both of them can also interact with other drugs, thus other prescription should be discussed. Neither of the two prevents sexually transmitted illnesses, so other protection measures should be taken.