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Viagra (Sildenafil) - An Overview

Sildenafil, marketed under the popular brand names Viagra and Revatio, is an oral medication that has been used to treat erectile dysfunction as well as premature ejaculation. Through Push Health, one can request Viagra online and get a sildenafil prescription and Viagra pills delivered to you or available at a local pharmacy.

Viagra - Dosage & Metabolism

What is Viagra? Viagra is a medication that contains the active ingredient sildenafil and is used in the treatment of erectile dysfunction. Viagra is available in different doses, including 25mg, 50mg and 100mg, and the right dose depends on the person and the instructions of their doctor or medical provider. A similar medication, Revatio, is available in a 20mg dose. After taken orally, Viagra is rapidly absorbed and maximum observed plasma concentrations are reached within 30 to 120 minutes with a median of 60 minutes when taken while fasting. Given these dynamics, Viagra (sildenafil) is generally taken 1 hour before anticipated sexual activity. Viagra (sildenafil) lasts approximately 8 hours, limiting the time window in which it works but also limiting the side effects of the the medication when used.

Sildenafil in Viagra / Revatio

Viagra and Revatio are composed of the active ingredient sildenafil citrate. Sildenafil itself looks like a white crystalline powder. When formulated into Viagra, however, it is in the shape of blue, film-coated, rounded-diamond-shaped tablets which is how Viagra earned the popular "the little blue pill" name. Similar to Cialis, Viagra (sildenafil) is a type of medication known as a phosphodiesterase type 5 (PDE5) inhibitors and, through its mechanism of action, helps increase blood flow to the penis. Sildenafil does so by enhancing the effects of nitric oxide (NO). Viagra (sildenafil) does not work when no sexual stimulation is present. In other words, a man cannot get an erection if he is not sexually excited at the time sildenafil is used.

Of note, the absorption of Viagra (sildenafil) after a high fat meal is reduced. Viagra was only found in the semen of people who took it orally in small quantities. Elderly patients take longer to metabolize Viagra / sildenafil and renal insufficiency did not dramatically affect the clearance of Viagra from the body. Viagra also demonstrated improved erections in people with spinal cord injuries and radical prostatectomy patients.

Viagra - Pricing & Prescription

Viagra is a prescription medication and is not available over-the-counter (OTC). Getting quality, generic Viagra without a doctor prescription is not really possible but, fortunately, Push Health can help people connect with a doctor or medical provider who can provide a Viagra prescription for a low cost. People looking for cheap Viagra will be interested in the fact that Viagra is available for under $2 per pill at many pharmacies. Viagra coupons may also be available through Pfizer, the manufacturer.

Viagra - Side Effects

Side effects of Viagra (sildenafil) include dizziness, rash, visual changes such as impairment of color discrimination, headaches and congestion. Decreases in sitting blood pressure were most notable 1-2 hours after sildenafil administration and was not different when compared to placebo at 8 hours. Viagra should not be used more than once per day or with alcohol. Viagra (sildenafil) does not cure erectile dysfunction or protect the user or a partner from a sexually transmitted disease.

Can I Buy Viagra Online?

One cannot simply buy Viagra online as it requires a prescription from a licensed medical provider before it can be dispensed by a pharmacy. Push Health helps people who are interested in branded and generic Viagra (sildenafil) pills connect with a licensed medical provider who can prescribe the medication when it is appropriate and safe to do so.

Viagra (sildenafil citrate) - Additional Patient Information

What is the most important information I should know about VIAGRA and generic VIAGRA?
VIAGRA can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines. Do not take VIAGRA if you take any other medicines called "nitrates." Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke.
Tell all your healthcare providers that you take VIAGRA. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took VIAGRA.
Stop sexual activity and get medical help right away if you get symptoms such as chest pain, dizziness, or nausea during sex.
Sexual activity can put an extra strain on your heart, especially if your heart is already weak from a heart attack or heart disease. Ask your doctor if your heart is healthy enough to handle the extra strain of having sex.
VIAGRA does not protect you or your partner from getting sexually transmitted diseases, including HIV--the virus that causes AIDS.

What is VIAGRA?
VIAGRA is a prescription medicine used to treat erectile dysfunction (ED). You will not get an erection just by taking this medicine. VIAGRA helps a man with erectile dysfunction get and keep an erection only when he is sexually excited (stimulated).
VIAGRA is not for use in women or children.
It is not known if VIAGRA is safe and effective in women or children under 18 years of age.

Who should not take VIAGRA?
Do not take VIAGRA if you:

  • take medicines called "nitrates" (such as nitroglycerin)
  • use street drugs called "poppers" such as amyl nitrate or amyl nitrite, and butyl nitrate
  • are allergic to sildenafil, as contained in VIAGRA and REVATIO, or any of the ingredients in VIAGRA. See the end of this leaflet for a complete list of ingredients in VIAGRA.

What should I tell my healthcare provider before taking VIAGRA?
Before you take VIAGRA, tell your healthcare provider if you:

  • have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve or heart failure
  • have had heart surgery within the last 6 months
  • have had a stroke
  • have low blood pressure, or high blood pressure that is not controlled
  • have a deformed penis shape
  • have had an erection that lasted for more than 4 hours
  • have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia
  • have retinitis pigmentosa, a rare genetic (runs in families) eye disease
  • have ever had severe vision loss, including an eye problem called non arteritic anterior ischemic optic neuropathy (NAION)
  • have bleeding problems
  • have or have had stomach ulcers
  • have liver problems
  • have kidney problems or are having kidney dialysis
  • have any other medical conditions

Tell your healthcare provider about all the medicines you take*, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
VIAGRA may affect the way other medicines work, and other medicines may affect the way VIAGRA works causing side effects. Especially tell your healthcare provider if you take any of the following:

  • medicines called nitrates (see "What is the most important information I should know about VIAGRA?")
  • medicines called alpha blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting.
  • medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase) or atazanavir sulfate (Reyataz)
  • some types of oral antifungal medicines, such as ketoconazole (Nizoral), and itraconozale (Sporanox)
  • some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin
  • other medicines that treat high blood pressure
  • other medicines or treatments for ED
  • VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). VIAGRA should not be used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca [tadalafil]).

Ask your healthcare provider or pharmacist for a list of these medicines, if you are not sure.
Know the medicines you take. Keep a list of them to show to your healthcare provider and pharmacist when you get a new medicine.

How should I take VIAGRA?

  • Take VIAGRA exactly as your healthcare provider tells you to take it.
  • Your healthcare provider will tell you how much VIAGRA to take and when to take it.
  • Your healthcare provider may change your dose if needed.
  • Take VIAGRA about 1 hour before sexual activity. You may take VIAGRA between 30 minutes to 4 hours before sexual activity if needed.
  • VIAGRA can be taken with or without food. If you take VIAGRA after a high fat meal (such as a cheeseburger and french fries), VIAGRA may take a little longer to start working
  • Do not take VIAGRA more than 1 time a day.
  • If you accidentally take too much VIAGRA, call your doctor or go to the nearest hospital emergency room right away.

What are the possible side effects of VIAGRA?
VIAGRA can cause serious side effects. Rarely reported side effects include:

  • an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis.
  • sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking VIAGRA and call your healthcare provider right away if you have sudden vision loss in one or both eyes.
  • sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking VIAGRA and contact a doctor right away.

The most common side effects of VIAGRA are:

  • headache
  • flushing
  • upset stomach
  • abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision
  • stuffy or runny nose
  • back pain
  • muscle pain
  • nausea
  • dizziness
  • rash

In addition, heart attack, stroke, irregular heartbeats and death have happened rarely in men taking VIAGRA. Most, but not all, of these men had heart problems before taking VIAGRA. It is not known if VIAGRA caused these problems.

Tell your healthcare provider if you have any side effect that bothers you or does not go away. These are not all the possible side effects of VIAGRA. For more information, ask your healthcare provider or pharmacist.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store VIAGRA?

  • Store VIAGRA at room temperature between 68°F to 77°F (20°C to 25°C).
Keep VIAGRA and all medicines out of the reach of children.

General information about the safe and effective use of VIAGRA.
Medicines are sometimes prescribed for purposes other than those listed in a Patient Information leaflet. Do not use VIAGRA for a condition for which it was not prescribed. Do not give VIAGRA to other people, even if they have the same symptoms that you have. It may harm them.
This Patient Information leaflet summarizes the most important information about VIAGRA. If you would like more information, talk with your healthcare provider. You can ask your healthcare provider or pharmacist for information about VIAGRA that is written for health professionals.
For more information, go to www.viagra.com, or call 1-888-4VIAGRA

What are the ingredients in VIAGRA?
Active ingredient: sildenafil citrate
Inactive ingredients: microcrystalline cellulose, anhydrous dibasic calcium phosphate, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide, lactose, triacetin, and FD & C Blue #2 aluminum lake

More Viagra Information

Last updated September 1, 2019. Given the evolving nature of medicine and science, this information might not be accurate and should not be construed as medical advice or diagnosis / treatment recommendations. Please consult a licensed medical provider if you have additional questions.