Viagra eventual side effects

viagraThe medicines like Viagra should be used in full accordance with the instructions of a doctor and/or prescription label available with the medicine. Viagra contains Sildenafil which has specific principles of its use. If not used with regard to these principles Sildenafil may interact with other medicines and/or cause side effects.
The negative unwanted effects of Viagra are possible, but they occur very rare. In some men, who are more prone or sensitive to Sildenafil, Viagra may cause undesirable effects and reactions of the body. These may be allergic reactions and reactions from different body systems. They can be characterized as minor (insignificant), mild (moderate) or severe (of serious character).
Minor side effects possible with Viagra usually do not last long, they fade away within hours. Usually such minor side effects are temporary, and disappear completely after several times of usage.doctor
To minor side effects of Viagra belong the headaches, stomach upset, light dizziness. It is not required to inform your doctor about them, if they do not trouble you.
Moderate side effects may be more bothering and cause not serious problems. They usually occur when a person is taking higher doses of the medicine. Viagra may produce flushing of the face or neck, nausea, temporary changes in color vision, blurred vision, sensitivity to light and some others. In its turn, such moderate side effects may be reported to your doctor if they do not disappear or worry you.
Less common are the severe side effects of Viagra. They in most cases can occur when a person overdoses a medicine or uses it with other drug which causes interaction.
viagra 1Serious side effects of Viagra are vision problem, decreased vision or loss of vision, decreased hearing or hearing loss, sudden pain in chest or severe dizziness. In very rare cases this medicine can cause heart attack, stroke or other serious heart problem, if it is taken incorrectly or by a person with existing heart problem and/or taking nitrate-containing medicine.
Among the other serious side effects of Viagra there is one often listed and called priapism. This is a very serious condition in which a penis of a person remains erect for a long period of time (more than 4 hours) and causes pain.
However, it is not fully proven that these severe side effects are caused by Viagra. They may be related to the use of the medicine, but certain other circumstances including health state of a person and certain health disorders as well as taking other medicines may increase the risk of these serious side effects.
So, if a person starts using Viagra, he should remember that safe use demands the knowledge of how and when to consume Viagra pill.
Never Viagra should be used with nitrates. If you doctor does not permit you to consume Viagra due to your heart status or other health problems, do not use it.
Talk about your general health to doctor prior to using Viagra. If you are older than 65 years of age, do not use very high doses of Viagra. In case of side effect development, consult your doctor and seek medical help.