Prescribing Information:

Sildenafil Citrate (generic Viagra) treats erectile dysfunction in men. Sildenafil (generic Revatio) can also treat pulmonary arterial hypertension. Pfizer Co. obtained the original Patten for the brand names. Several companies now distribute it in its generic form. You can buy Sildenafil Citrate online. Sildenafil works for impotence by increasing blood flow to the penis during sexual stimulation. In PAH the effect is relaxing the blood vessels carrying blood to the lungs. Sildenafil will not prevent pregnancy or prevent HIV or other STD’s. It is not recommended for use by women.

How taken:

Take Sildenafil about 1 hour prior to sexual activity when used as a sexual stimulant, from four to 30 hours prior to intercourse. For treatment of PAH take on a daily basis, to treat symptoms of shortness of breath, dizziness and tiredness associated with constriction of blood flow to the lungs. Sildenafil citrate comes in pill form and in its generic form is not “the little blue pill” as Viagra is often called Even if you buy Sildenafil Citrate online the dosage and frequency, is only decided by your physician. Take on a full or empty stomach with a full glass of water as indicated. Do not take with alcohol.

Missed Dose:

Sildenafil citrate is medication used to treat erectile dysfunction as well as pulmonary arterial hypertension (PAH). This medication was approved by the Federal Drug Administration (FDA) and entered the market in 1998. Sildenafil citrate was developed and is marketed by the pharmaceutical company Pfizer. The generic names for sildenafil citrate are viagra, revatio, as well as others.

Side effects
Common side effects associated with sildenafil citrate include: flushing (reddening) on the face, neck, or chest; stuffy nose; headache; nausea; memory problems; or back pain.

If you experience nausea; dizziness; irregular heartbeat; sudden vision loss; ringing in the ears; sudden hearing loss; shortness of breath; an erection that is painful; an erection that lasts more than 4 hours; pain, numbness, or tingling in the chest, arms, neck, or jaw during sexual activity, contact a doctor immediately. Priapism (prolonged erections) can cause permanent damage to the penis without medical treatment, so it is important if you experience the side effect of an erection lasting over 4 hours to seek medical treatment.