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Product description

Safety information

Side Effects

Drug Name

Viagra (Sildenafil)

Drug Uses

Used Viagra for treating erectile dysfunction ( male enhancement). It works by helping the blood to the penis tide to achieve and maintain an erection during sexual intercourse.

How to use

For the medication he should be taken 30 minutes or one hour before sexual intercourse. You may take Viagra up to 4 hours before sexual intercourse. To avoid side effects, you can not take more pills 1 time a day.

Drug Class and Mechanism

Viagra is a phosphodiesterase type 5 inhibitor and it works by helping the blood to the penis tide to achieve and maintain an erection during sexual intercourse.

Missed Dose

You can take Viagra if necessary, but not in any way you can not take Viagra, as a daily pill, and take them on schedule.

Storage

Viagra should be stored in the pack at room temperature between 59 and 86 degrees F (15-30 degrees C). Keep out of reach of children.

Warnings/Precautions

Forbidden to take Viagra if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin (Nitrostat, Nitro-Dur, Nitrolingual, Minitran, Nitro-Bid, Transderm-Nitro, Deponit), isosorbide dinitrate (Dilatrate-SR, Sorbitrate, Isordil), and isosorbide mononitrate (Imdur, Monoket, ISMO), or recreational drugs such as amyl nitrite or nitrate. 

Each time before use Viagra, you should consult with their personal doctor and tell him what medication you are taking or if you:

• bosentan (Tracleer);
• a blood thinner such as warfarin (Coumadin);
• cimetidine (Tagamet HB, Tagamet);
• an antibiotic such as erythromycin (E-Mycin, Ery-Tab, Eryc) or clarithromycin (Biaxin);
• doxazosin (Cardura), Terazosin (Hytrin), prazosin (Minipress);
• HIV medicines such as amprenavir (Agenerase), darunavir (Prezista), tipranavir (Aptivus), nevirapine (Viramune), efavirenz (Sustiva), saquinavir (Fortovase, Invirase), indinavir (Crixivan), ritonavir (Kaletra), ritonavir (Norvir), fosamprenavir (Lexiva), nelfinavir (Viracept) or atazanavir (Reyataz);
• an antifungal medication such as ketoconazole (Nizoral) or itraconazole (Sporanox);
• carbamazepine (Tegretol), phenytoin (Dilantin) or phenobarbital (Luminal); or
• rifampin (Rimactane, Rifadin) or rifabutin (Mycobutin).

Before use, let the doctor about all medications you are taking at the moment, these include: vitamins, herbal products and medicines, minerals. Do not use the new drugs along with Viagra is not informing the doctor.

Take Viagra should be with caution if you have a disease such as: high or low blood pressure, heart failure, or unstable angina pectoris. If you had a heart attack, stroke, or life-threatening cardiac violations during the past 6 months, you should use it with extreme care. If you have serious problems with the heart in which the sexual activity a danger you should avoid the use of Viagra.

If after the application of Viagra in the sexual act you have any symptoms (for example: nausea, vomiting, chest pain, dizziness), you should inform their doctor.

If you have a condition that might result in long-lasting erections, such as sickle cell anemia, multiple myeloma (a disease of the bone marrow), or leukemia, use Viagra with caution. If you have Peyronie's disease or any other genital problem or deformity. If erection lasts more than 4 hours, you should consult a doctor because it could lead to impotency.

If you have a inherited eye condition known as retinitis pigmentosa, bleeding disorder or stomach ulcer, use Viagra with caution. Its safety under these circumstances has not yet been studied.

Possible Side Effects

You just need to tell your doctor if you have any of the following symptoms:

• sudden vision loss;
• sudden hearing loss or ringing in your ears
• heavy feeling or chest pain, pain spreading to the arm or shoulder, sweating, nausea, general ill feeling;
• irregular heartbeat;
• swelling in your feet, hands or ankles;
• shortness of breath;
• vision changes;
• feeling light-headed, fainting; or
• penis erection that is painful or lasts 4 hours or longer.

Less serious side effects may include:

• warmth or redness in your chest, face or neck;
• stuffy nose;
• headache;
• upset stomach; or
• back pain.

As with any other side effects, tell your doctor.

More Information

You may have side effects if you are 65 terrible years. Seek the help of a doctor and he can appoint you a lower dose.