Viagra - here is information which you should know about Erectile Disfunction

Capable to become Erectile Dysfunction or impotence as it often name, can get men of all age. For this reason tablet Viagra made such success in the market. There was time when the reference was the few, and the success of the reference was rare. It was before preparation EDA all have heard about. It was before "a small dark blue tablet." It was before Viagra.

Viagra belongs to group of medicines which detain the enzymes named phosphodiesterase from work too quickly. Operating phosphodiesterase, sildenafil helps to support erection which is made when the penis is physically stimulated. All of us have heard about popularity of Viagra. Actually, men of all age find the new found sexual youth because of a small dark blue tablet. But as any treatment of the instruction, Viagra not without its traps and problems anyway. Let's closer look at Viagra.

Viagra arrives to the tablet form in dosages of 25 mg, 50 mg and 100 mg.

o Men till 65 Years of Age - Viagra of 50 mg are ordered to be the taken once a day, 30 minutes taken once a day by 4 o'clock before intercourse. In situations where 50 mg not effectively, your doctor can order 100 mg which will be 30 minutes before intercourse are taken by 4 hours once daily.

o For Men, Is more senior than 65 Years of Age - Viagra of 25 mg is ordered to be the taken 30 minutes by 4 o'clock before intercourse. Under some circumstances to men, is more senior then 65, it was possible to increase their doses.

Important Caution - shouldn't increase the doses of Viagra without the first consultation with doctor at all.

All want to take Viagra. Actually there is an anxiety that Viagra becomes a party preparation in certain circles. But for those who takes Viagra for help and how it is offered, there are some things which you should know before to accept your first dose.

Women

Viagra isn't approved or recommended for use in women. Therefore, women shouldn't take Viagra under any circumstances.

Older persons

Men, are more senior than 65, are very sensitive to effects of Viagra. It for this reason that men are more senior 65 are begun on a smaller dose and increased if is designated and supposed.

Other Medicines

Certain drugs can change a way as which Viagra works in a body and on the contrary. Therefore a few drugs it is not recommended for use, taking Viagra. Actually, a few drugs can cooperate in such a way to which they could cause a damage or a serious illness. The following - the list of drugs by which your doctor should be made knowing before to take Viagra.
o Protease Inhibitors (Crixivan, Invirase, Norvir, Viracept, Fortovase, Agenerase, Lopinavir): Increases the amount of Viagra in your blood and prolongs the action of Viagra. Men on Protease Inhibitors should start with a dose of 25mg and at most use 50mg.
o Cimetidine (Tagamet)
o Erythromycin (E.E.S. or Ery-Tab)
o Itraconazole (Sporanox)
o Ketaconazole (Nizoral)
o Mibefradil (Posicor): These medicines may increase the unwanted effects of sildenafil, unless lower starting doses of sildenafil are used.
o Nitrates / Nitroglycerin (Nitrostat or Transderm-Nitro): Sildenafil and nitrates excessively lower blood pressure when used together. Therefore you should NEVER use sildenafil when you have been prescribed nitrates for chest pain.

Certain medical conditions make taking Viagra a little more difficult. In fact, certain conditions prohibit the use of Viagra all together. Here are some medical conditions your doctor must know about before you start taking Viagra.
o HIV/AIDS: Certain HIV drugs may interact with Viagra (see above)
o Arrhythmias (irregular heartbeat)
o Coronary artery disease
o Heart attack or a history of (within the last 6 months)
o High blood pressure or low blood pressure
o Stroke or a history of (within the last 6 months)-Chance of problems occurring may be increased
o Abnormal penis, including curved penis and birth defects of the penis
o Bleeding problems
o Retinitis pigmentosa (disorder of the retina)
o Conditions causing thickened blood or slower blood flow, including leukemia, multiple myeloma (tumors of the bone marrow, or polycythemia, sickle cell disease, and thrombocythemia (blood problems)
o Priapism (prolonged erection) or a history of priapism
o Heart or blood diseases
o Kidney problems (severe)
o Liver problems (severe) - Lower starting doses may be used and doses increased as needed and tolerated.

Even when a drug is taken as prescribed, side effects can occur. Viagra is no exception. Here are some common and not so common side effects you should be aware of before taking the drug.

Common
o flushing
o headache
o nasal congestion
o stomach discomfort following meals

Rare
o bleeding of the eye
o convulsions (seizures)
o decreased or double vision or in extreme cases blindness
o a blue tint to your vision
o prolonged, painful, or inappropriate erection of penis
o redness, burning, or swelling of the eye
o anxiety

When used properly and appropriately, Viagra is helpful for men with erectile dysfunction. By taking the medicine as prescribed and by knowing what adverse effects to look for, Viagra can be safe and effective. Before taking Viagra, you must consult your physician to see if it is right for you.