It is important to note that certain foods, particularly foods high in fat, can cause the drug to work more slowly than normal. Sildenafil oral tablet doesn’t cause drowsiness, but it can cause other side effects, including: flushing (reddening and warming of the face) an erection that lasts longer than normal If these effects are mild, they may go away within a few days or a couple of weeks. If they’re more severe or don’t go away, talk with your doctor or pharmacist.

Property Details Notes
Absorption Rapid, peaks in approximately 1 hour Takes about 30-60 minutes
Distribution Widely distributed in tissues Bound to plasma proteins
Metabolism Liver (primarily CYP3A4 enzyme) Metabolized into active metabolites
Half-life Approximately 4 hours Duration of effect varies
Excretion Mainly in feces; some in urine Clearance affected by age

Call your doctor right away if you have serious side effects. Call 911 if your symptoms feel life threatening or if you think you’re having a medical emergency.

How should I take sildenafil?

Sildenafil comes in three forms: an oral tablet, an oral suspension (liquid), and an injection that’s only given by a doctor. Sildenafil oral tablet is used to treat erectile dysfunction (ED). It’s also used to treat pulmonary arterial hypertension (PAH). It comes in the form of a tablet and suspension (liquid). It also comes in an intravenous (IV) form, which is only given by a doctor.

How does sildenafil work (mechanism of action)?

Sildenafil oral tablet is available as the brand-name drugs Viagra and Revatio. It’s also available as a generic drug. Generic drugs usually cost less than the brand-name version. In some cases, they may not be available in every strength or form as the brand-name drug. Generic oral tablets are available for both conditions, but the brand-name drugs each treat only one of the conditions. Serious side effects and their symptoms can include the following: Symptoms can include:blurry visionconfusiondizzinessfaintinglightheadednessnausea or vomitingsleepinessweakness Increased shortness of breath or trouble breathing Priapism (an erection that lasts more than 4 hours) Symptoms can include:sudden vision loss in one or both eyes sudden vision loss in one or both eyes Symptoms can include:sudden hearing losstinnitus (ringing in your ears)dizziness Heart problems, such as heart attack, stroke, or irregular heart rate. Symptoms can include:chest painshortness of breathdizzinesstrouble speakingconfusionnausea or vomitingfeeling lightheaded Priapism warning: This drug can cause priapism, which is an erection that won’t go away.

Product Dosage Quantity + Bonus Price
Kamagra Oral Jelly100mg63 + 7 Sachets224.18€ 213.50€
Kamagra Oral Jelly100mg21 Sachets95.92€ 91.35€
Viagra Generic50mg30 + 4 Pills54.26€ 51.68€
Viagra Generic50mg120 + 6 Pills129.64€ 123.47€
Kamagra Soft Tabs100mg84 + 4 Pills233.05€ 221.95€
Viagra Generic100mg360 + 10 Pills330.21€ 314.49€
Kamagra Soft Tabs100mg272 + 12 Pills593.42€ 565.16€
Viagra Generic100mg180 + 8 Pills199.37€ 189.88€
Viagra Generic50mg270 + 8 Pills198.48€ 189.03€
Kamagra100mg12 Pills55.64€ 52.99€
Viagra Generic25mg360 + 10 Pills213.68€ 203.50€
Kamagra100mg360 + 6 Pills839.95€ 799.95€

If you have an erection that lasts more than 4 hours, call 911 or go to the nearest emergency room.

Sildenafil Citrate Tablets 50mg Bottle 1000/Bottle Each 1453829

Viagra: This drug is sildenafil 100 mg cost used to treat ED. With ED, you’re unable to get or maintain an erection. Revatio: This drug is used to treat PAH. With PAH, the blood pressure in your lungs is too high. Your heart has to work very hard to pump blood into your lungs.

IV Administration

Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions. Sildenafil works in different ways, depending on the condition it’s being used to treat. For ED: Sildenafil works by increasing blood flow to the penis. If it’s not treated right away, this condition can cause permanent damage to your penis.

2.1 Recommended Dosage in Adults

Adjustments to the dosage may be necessary, so it's important to seek advice from your doctor. It should be used with caution in patients with liver disease. Dose adjustment of medicine may be required. take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas® (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level are allergic to sildenafil, as contained in VIAGRA and Revatio®, or any of the ingredients in VIAGRA Discuss your health with your doctor to ensure that you are healthy enough for sex.

Prior authorization

If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. If it is not treated right away, priapism can permanently damage your penis sudden vision loss in one or both eyes. Stop taking VIAGRA and call your healthcare provider right away if you have any sudden vision 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 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 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. Sudden vision loss warning: This drug can cause sudden vision loss in one or both eyes. This can be a sign of a serious eye problem. If this occurs, stop taking sildenafil and call your doctor right away.

  • Avoid grapefruit juice while taking sildenafil, as it may increase drug levels.
  • Use caution if combining with other medications for managing blood pressure.
  • Not suitable for women or children under 18 years old.

Sudden hearing loss warning: This drug can cause hearing loss, tinnitus (ringing in your ears), or dizziness. If you have sudden hearing loss with or without tinnitus or dizziness, stop taking sildenafil and call your doctor right away. Use in children warning: Children generally should not take sildenafil; however, there are instances where the drug is considered the best treatment option. Talk with your child’s doctor to better understand the benefits and risks associated with this treatment option. Sildenafil oral tablet can interact with other medications, vitamins, or herbs you may be taking.

Before Using

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. 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]) VIAGRA does not protect against sexually transmitted diseases, including HIV. The most common side effects of VIAGRA: 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. VIAGRA, REVATIO, and CARDURA are registered trademarks of Viatris Specialty LLC, a Viatris Company.

Pregnancy and breastfeeding while taking sildenafil

All other trademarks are the property of their respective owners. Viagra® (sildenafil citrate) is prescription medicine used to treat erectile dysfunction (ED). VIAGRA is not for women or children. Please see Full Prescribing Information and Patient Information. Sildenafil oral tablet is available as a brand-name drug and as a generic drug. An interaction is when a substance changes the way a drug works.

  • Sildenafil tablets may cause flushing or warmth sensation during use.
  • Some users experience indigestion or mild dizziness.
  • These effects are generally temporary and resolve spontaneously.

This can be harmful or prevent the drug from working well.

Brand Name Manufacturer Country of Origin Availability
Viagra Pfizer USA Widely available
Kamagra Ajanta Pharma India Limited markets
Sildenafil Sandoz Novartis Switzerland Prescription only
Revatio Pfizer USA For pulmonary hypertension
Bedrocan Canadian Medical Cannabis Canada Not for oral use

To help avoid interactions, your doctor should manage all of your medications carefully.

  • Common side effects include headaches, flushing, and nasal congestion.
  • Serious side effects are rare but may include vision changes or prolonged erections.
  • Report any adverse reactions to a healthcare provider immediately.

Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking.

  • If you miss a dose and have planned sexual activity, take it as soon as possible.
  • Do not double doses to make up for missed ones.
  • Follow your prescription guidelines for safe and effective use.

To find out how this drug might interact with something else you’re taking, talk with your doctor or pharmacist. Examples of drugs that can cause interactions with sildenafil are listed below. Do not take these drugs with sildenafil. Doing so can cause dangerous effects in the body.

Product Specification

This helps you get or maintain an erection. Sildenafil only works for ED if you’re sexually aroused. For PAH: Sildenafil works by relaxing the muscles and opening up the blood vessels in your lungs. This decreases the blood pressure in your lungs. Sildenafil slows down the progression of your illness.

Sildenafil Oral Film for ED

It also makes you more able to exercise. Sildenafil can be used as early as 4 hours before sex and as late as 30 minutes before sex. However, it is recommended to use this drug within an hour before sex. Sildenafil should not be taken for ED more than once in a 24-hour period. But if you have certain medical conditions or are taking other drugs, your doctor may recommend that you take this drug less often than once a day. Nitrates, such as isosorbide mononitrate, isosorbide dinitrate, or nitroglycerin.Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level. Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level. Guanylate cyclase stimulators, such as riociguat.Taking these drugs with sildenafil can cause your blood pressure to drop suddenly to an unsafe level.

What other drugs will affect sildenafil?

Use the medicine as you remember to take. If the next dose is near then Skip the missed Dose. Do not double up for the missed Dose. If you miss a dose frequently then consult your Doctor. Erectile Dysfunction (ED) is when a man has trouble getting or keeping an erection firm enough for sex.

Other Medical Problems

Pulmonary arterial hypertension is a form of high blood pressure that impacts the arteries in the lungs and the heart. It is given only for mens not for womens. It is given only for men's not for women's. It may decrease alertness, affect your vision or make you feel sleepy and dizzy. Exercise caution when using it in individuals with kidney disease. Side effects from sildenafil: Taking sildenafil with certain medications raises your risk for side effects from sildenafil. This is because the amount of sildenafil in your body is increased. HIV drugs, such as ritonavir, indinavir, saquinavir, or atazanavir.Increased side effects can include low blood pressure, dizziness, or vision problems.

Medication Class Potential Effect Notes
Nitrates Severe hypotension Do not co-administer
CYP3A4 inhibitors (e.g., ketoconazole) Increased sildenafil levels Dose adjustment may be necessary
Alpha-blockers Risk of hypotension Use with caution
Other Vasodilators Additive blood pressure lowering Monitor closely