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Viagra (Generic) Sildenafil

Viagra or Sildenafil is a preparation taken orally for curing erectile dysfunction (as male impotence). Viagra is known for its proven side actions and noble safety track record. Viagra begins to work within 30 minutes or 1 hour and continue to maintain erection up to 4 hours.

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Drug Application

Viagra was created to help men in curing male impotence. It acts by letting the blood inflow into the phallus to reach and keep up erection in the course of sexual activity.

Application

Viagra is used a half an hour to 1 hour before sexual intercourse. It can be used up to 4 hours before sex. It is not recommended to consume one dose of Sildenafil more than once a day.

Drug Category and Mechanism

Sildenafil is a phosphodiesterase type 5 inhibitor, it operates by assisting the blood inflow into the phallus to reach and keep up the erection in the course of sexual activity.

Missed Dose

Viagra is taken in case of need and it is not obligatory to use it due to a fixed schedule.

Keeping Custody

It is recommended to store Sildenafil at a room temperature from 59 to 86 degrees F (between 15 and 30 degrees C) far from heat and moisture, as well as from children’s reach.

Cautions/Warnings

You should not use Viagra in case of consuming a nitrate preparation for heart diseases or chest pain, as well as isosorbide dinitrate (Isordil, Dilatrate-SR, Sorbitrate), isosorbide mononitrate (Monoket, Imdur, ISMO), nitroglycerin (Nitro-Dur, Nitrostat, Nitrolingual, Nitro-Bid, Transderm-Nitro, Minitran, Deponit) and recreational drugs like nitrite (known also as "poppers") or amyl nitrate.

Please, inform your doctor if you use any other preparations for treating male impotence or erectile dysfunction, or the below indicated medicine:
- HIV preparations like indinavir (Crixivan), atazanavir (Reyataz), amprenavir (Agenerase), lopinavir/ritonavir (Kaletra), nelfinavir (Viracept), tipranavir (Aptivus), saquinavir (Invirase, Fortovase), darunavir (Prezista), efavirenz (Sustiva), nevirapine (Viramune), indinavir (Crixivan), fosamprenavir (Lexiva) or ritonavir (Norvir);
- prazosin (Minipress), doxazosin (Cardura), Terazosin (Hytrin);
- cimetidine (Tagamet, Tagamet HB);
- bosentan (Tracleer);
- blood thinners like warfarin (Coumadin);
- phenobarbital (Luminal), carbamazepine (Tegretol), or phenytoin (Dilantin);
- rifampin (Rifadin, Rimactane) or rifabutin (Mycobutin);
- antibiotics like erythromycin clarithromycin (Biaxin) or (E-Mycin, Eryc, Ery-Tab);
- antifungal medications like ketoconazole (Nizoral) or itraconazole (Sporanox).

It is important to inform your physician of all the prescribed or without prescription preparations you are taking. Such medications can be herbal production, vitamins and minerals, and other products instructed to use by other physicians. It is forbidden to take new preparations without consulting your physician.

In case of serious troubles with heart you are not recommended to use Viagra. But if you still want to engage in sexual intercourse and recently had heart strokes, attacks or other dangerous heart problems (during last half a year) use it with caution. You should also be careful when having high or low blood pressure, unstable angina or heart disease.

You should immediately address your physician if feeling cardiac symptoms, such as nausea, dizziness or chest pain in the course of sexual stimulation and stop taking Sildenafil.

If you want to avoid unexpected results, please be careful to take Viagra if you suffer from multiple myeloma (a disease of the bone marrow), sickle cell anemia or leukemia, genital problems or deformity like Peyronie's disease. Please, call for your physician if your erection is more than 4 hours, as it can cause permanent impotence.

Please, be aware that in case of inherited eye diseases like retinitis pigmentosa, stomach or bleeding disorder you should use Sildenafil with special prudence.

Probable Side Actions

When having any of the below mentioned serious side actions, you should cancel Viagra consumption and call for ambulance or inform your physician as soon as possible:
- loss of vision;
- modifications in vision;
- ringing in ears, loss of hearing;
- irregular breathing;
- abnormal heartbeat;
- chest pain or heavy feeling, pain spreading to hands or shoulders, sweating, nausea, general bad feeling;
- swelling in your arms, ankles, or feet;
- feeling fainting;
- painful penis erection, which continues 4 hours or longer.

Light side actions may be:
- headache;
- running nose;
- warmth or redness in your face, neck, or chest;
- pain in stomach;
- pain in back.

The above mentioned problems with health are not all which can occur when taking Viagra, so you are strongly recommended to consult your physician in case of strange or tiresome side actions.

Additional Information

If your age is more than 65 years, you may experience Sildenafil side actions. Though, you doctor can advise you a lower dose of the preparation.