17 PATIENT COUNSELING INFORMATION

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This has occurred in a small number of people taking sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old.

Usual Geriatric Dose for Erectile Dysfunction

Tell your doctor about all your current medicines, especially riociguat (Adempas). The most common side effects of sildenafil tablets for ED are: Abnormal vision, such as changes in color vision (such as having a blue color tinge) andblurred vision The most common side effects of sildenafil oral film for ED are: Abnormal vision, such as changes in color and blurred vision The most common side effects of sildenafil tablets/ oral suspension, and injection for PAH are: Sildenafil can cause the following serious side effects. 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. Sildenafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. 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 sildenafil and call your healthcare provider right away if you havesudden vision loss in one or both eyes.

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Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking sildenafil and contact a doctor right away. In addition, heart attack, stroke, irregular heartbeats, and death have happened rarely in people taking sildenafil. Most, but not all, of these people had heart problems before taking this medicine.

5.3 Effects on the Eye

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 low blood pressure, or high blood pressure that is not controlled 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 kidney problems or are having kidney dialysis 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 guanylate cyclase stimulators, such as riociguat (Adempas) 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).

How Viagra Works

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 itraconazole (Sporanox) some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin other medicines that treat high blood pressure VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. VIAGRA should not be used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca [tadalafil]). 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.

Pulmonary hypertension

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. It is not known if sildenafil caused these problems. Tell all your healthcare providers that you take sildenafil. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took sildenafil.

  • Physical activity might improve erectile response when combined with medication.
  • Maintain a healthy weight for better sexual function.
  • Lifestyle changes can enhance sildenafil efficacy over time.

Stop sexual activity and get medical help right away if you get symptoms such as chest pain, dizziness, or nausea during sex.

Common Side Effect Frequency Severity Notes
Headache Very common Mild to moderate Usually transient
Flushing Common Mild Often resolves quickly
Dyspepsia / Indigestion Common Mild Can be managed with antacids
Visual Disturbances Less common Mild Changes in color perception
Priapism Rare Serious Medical emergency, requires immediate attention

Sexual activity can put an extra strain on your heart, especially if your heart is already weak from a heart attack or heart disease.

In case of emergency/overdose

What are the possible side effects of VIAGRA? Stop taking VIAGRA and call your healthcare provider right away if you have sudden vision loss in one or both eyes. If you have these symptoms, stop taking VIAGRA and contact a doctor right away. The most common side effects of VIAGRA are: abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision In addition, heart attack, stroke, sildenafil syrup irregular heartbeats and death have happened rarely in men taking VIAGRA. Most, but not all, of these men had heart problems before taking VIAGRA.

Antiretroviral Agents

It is not known if VIAGRA caused these problems. These are not all the possible side effects of 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.

How to relieve Viagra side effects

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. This Patient Information leaflet summarizes the most important information about VIAGRA. You can ask your healthcare provider or pharmacist for information about VIAGRA that is written for health professionals. For more information, go to or call 1-888-4VIAGRA Inactive ingredients: microcrystalline cellulose, anhydrous dibasic calcium phosphate, croscarmellose sodium, magnesium stearate, hypromellose, titanium dioxide, lactose, triacetin, and FD & C Blue #2 aluminum lake This Patient Information has been approved by the U.S. Sildenafil does not protect you or your partner sildenafil cenforce from getting sexually transmitted diseases, including Human Immunodeficiency Virus (HIV). Sildenafil may cause low blood pressure, which may cause you to feel faint or dizzy. Lie down if you feel faint or dizzy.

2.4 Dosage Adjustments Due to Drug Interactions

Food and Drug Administration. For current full prescribing information, please visit Viagra (sildenafil citrate), Revatio (sildenafil), Cardura (doxazosin mesylate), and Minipress (prazosin HCl) are registered trademarks of Pfizer Inc. PRINCIPAL DISPLAY PANEL - 25 mg Tablet Bottle Label PRINCIPAL DISPLAY PANEL - 25 mg Tablet Bottle Label PRINCIPAL DISPLAY PANEL - 50 mg Tablet Bottle Label PRINCIPAL DISPLAY PANEL - 50 mg Tablet Bottle Label PRINCIPAL DISPLAY PANEL - 100 mg Tablet Bottle Label PRINCIPAL DISPLAY PANEL - 100 mg Tablet Bottle Label You rely on Guideline Central for transparency Guideline Central and select third party use “cookies” on this website to enhance the user experience. This technology helps us gather statistical and analytical information to optimize the relevant content for you. The user also has the option to opt-out which may have an effect on the sildenafil citrate drug browsing experience.

Drugs Affecting or Metabolized by Hepatic Microsomal Enzymes

Pronunciation: sil-DEN-a-fil Generic name: sildenafil Brand names: Revatio, Viagra, Vybrique Dosage form: tablets (20 mg; 25 mg, 50 mg, 100 mg), injection (10 mg/12.5 mL), oral suspension (10 mg/mL), oral film (25 mg, 50 mg, 75 mg, 100 mg) Drug classes: Agents for pulmonary hypertension, Impotence medications Sildenafil is used to treat erectile dysfunction (ED) in adult men or pulmonary arterial hypertension (PAH) in adults and children, depending on the brand or formulation. Sildenafil tablets (25 mg, 50 mg, 100 mg; Viagra, generic) and sildenafil oral film (25 mg, 50 mg, 75 mg, 100 mg; Vybrique) are used for ED. Sildenafil tablets (20 mg; Revatio, generic), sildenafil oral suspension (Revatio, generic), and sildenafil injection (Revatio, generic) are used for PAH. Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor, which breaks down cyclic GMP and enhances nitric oxide (NO) -mediated smooth muscle relaxation. In erectile dysfunction (ED), this increases blood flow to penile tissue, facilitating an erection.

Vitamin K Antagonists

In pulmonary arterial hypertension (PAH), it dilates pulmonary vessels by the same mechanism, reducing pulmonary blood pressure and improving exercise capacity. Sildenafil first gained FDA approval on March 27, 1998. Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as "poppers". Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Some medicines can cause unwanted or dangerous effects when used with sildenafil. Tell your doctor if you get more short of breath after you start sildenafil.

  • The onset of action is usually within 30 minutes.
  • Peak effect occurs around 1 hour after ingestion.
  • The duration of action can last up to 4-6 hours.

More shortness of breath than usual may be due to your underlying medical condition. Do not take Viagra while also taking Revatio. Tell your healthcare provider if you have any side effect that bothers you or does not go away.

  • Typical sildenafil dose ranges from 25 to 100 mg.
  • It should be taken 30-60 minutes before activity.
  • Do not exceed one dose within 24 hours.

These are not all of the possible side effects of sildenafil.

Point Explanation Importance
Take on an empty stomach or after light meal Food, especially high-fat meals, delays onset Ensures faster effectiveness
Do not exceed recommended dose Overdose increases side effects and risks Safety
Timing of administration 30-60 minutes before sexual activity Optimal results
Potential side effects Headache, flushing, vision changes Recognize and report unusual effects
Avoid alcohol consumption Can decrease efficacy and increase side effects Safety

Call your doctor for medical advice about side effects.

Condition Details Notes
Temperature Store below 25°C Keep in a dry place
Light Protect from light Use opaque container
Humidity Keep away from moisture Avoid bathroom storage
Shelf Life Usually 2-3 years Check expiration date

You may report side effects to the FDA at 1-800-FDA-1088. Have allergies to sildenafil, Viagra, Revatio, Vybrique, or any of the ingredients in the sildenafil formulation you are taking Take other medicines for pulmonary arterial hypertension, such as riociguat (Adempas) Take other medicines for pulmonary arterial hypertension, such as riociguat (Adempas) Take other medicines that lower your blood pressure, such as nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs that also contain nitrates, such as "poppers".