Don’t worry about airport X-ray machines. You may need to show airport staff the pharmacy label for your medication. Always carry the original prescription-labeled container with you.
Don’t put this medication in your car’s glove compartment or leave it in the car. Be sure to avoid doing this when the weather is very hot or very cold. If you’re taking this drug for PAH, your doctor may monitor your blood pressure and pulse regularly. When filling your prescription, be sure to call ahead to make sure your pharmacy carries it. Many insurance companies require prior authorization for this drug. This means your doctor may need to get approval from your insurance company before your insurance company will pay for the prescription. Sildenafil under the brand name Viagra is prescribed to treat erectile dysfunction by increasing blood flow to the penis during arousal.
In rare instances, men taking PDE5 inhibitors reported a sudden decrease or loss of vision in one or both eyes. It is not possible to determine whether these events are related directly to these medicines, to other factors such as high blood pressure or diabetes, or to a combination of these. If you experience sudden decrease or loss of vision, stop taking PDE5 inhibitors, including sildenafil, and call a doctor right away. In rare instances, men have reported an erection that lasts many hours. Sildenafil under the brand name Revatio is often prescribed to help adults with PAH get more exercise by treating their condition. What if I forget to take it? If you are taking Revatio and you forget to take your scheduled dose, take it as soon as possible.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Soft Tabs | 100mg | 60 + 4 Pills | 180.59€ 171.99€ | |
| Kamagra Polo | 100mg | 12 Pills | 60.21€ 57.34€ | |
| Kamagra Oral Jelly | 100mg | 220 + 18 Sachets | 662.24€ 630.70€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ | |
| Viagra Generic | 150mg | 180 + 10 Pills | 236.46€ 225.20€ | |
| Kamagra Soft Tabs | 100mg | 180 + 8 Pills | 425.45€ 405.19€ | |
| Viagra Generic | 200mg | 20 Pills | 61.69€ 58.75€ | |
| Viagra Generic | 200mg | 60 + 4 Pills | 125.19€ 119.23€ | |
| Viagra Generic | 150mg | 90 + 6 Pills | 147.18€ 140.17€ | |
| Kamagra Oral Jelly | 100mg | 90 + 8 Sachets | 303.56€ 289.10€ | |
| Kamagra | 100mg | 12 Pills | 55.64€ 52.99€ | |
| Kamagra Oral Jelly | 100mg | 30 + 5 Sachets | 136.20€ 129.71€ | |
| Viagra Generic | 50mg | 360 + 10 Pills | 225.33€ 214.60€ | |
| Viagra Generic | 25mg | 60 + 4 Pills | 71.99€ 68.56€ | |
| Viagra Generic | 50mg | 180 + 8 Pills | 158.82€ 151.26€ | |
| Viagra Generic | 150mg | 60 + 4 Pills | 111.25€ 105.95€ | |
| Kamagra | 100mg | 20 Pills | 86.09€ 81.99€ |
However, you should never double your dosage.
Are there any safety measures I should take before using this drug? Like most medications, there are precautions you should take before using this drug. Make sure you talk with your doctor about: any other drugs, medications, herbs, or supplements you take or plan to take any medical conditions or surgeries you have or plan to have if you are pregnant or plan to become pregnant There are other drugs available to treat your condition. Some may be better suited for you than others. Talk with your doctor about other drug options that may work for you.
Sildenafil and tadalafil are alike because they both can treat ED and PAH. However, tadalafil has a few distinctions from sildenafil. Tadalafil is the generic name for the erectile dysfunction drug Cialis. There are two versions of the drug: a version that can be taken as needed Cialis 5-mg daily dosing is the only PDE5 inhibitor dose approved for treating an enlarged prostate; improving ED symptoms is an added benefit of the daily dose. Because of the “as needed” version of tadalafil, some users may find this option more convenient.
The downside, however, is that side effects tend to last longer too. The main difference between generic sildenafil and Viagra is marketing. The main ingredient in Viagra is sildenafil, meaning that the drugs are essentially the same. However, Viagra is marketed and prescribed strictly for erectile dysfunction, while generic sildenafil can be prescribed for PAH as well. Viagra is also known as “the little blue pill” because of its blue color, while generic sildenafil tends to be a white color. If you completely miss a dose and it’s time for the next dose, skip the one you missed. Are there any safety measures I should take before using this drug? Like most medications, there are precautions you should take before using this drug.
Make sure you talk with your doctor about: any other drugs, medications, herbs, or supplements you take or plan to take any medical conditions or surgeries you have or plan to have if you are pregnant or plan to become pregnant There are other drugs available to treat your condition.
Sildenafil is a prescription medication used to treat erectile dysfunction (ED) in adult males. Sildenafil is also used to treat adults with pulmonary arterial hypertension, or PAH. This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information. Sildenafil is part of the drug class: The most common side effects of sildenafil: Less common side effects that may occur are temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes being more sensitive to light, or blurred vision. Some may be better suited for you than others. Talk with your doctor about other drug options that may work for you.
The current controversy among pediatric cardiologists regarding the safety of sildenafil was fueled by several publications, which questioned the START-2 results.624,626–628 In 2014, the FDA issued another statement clarifying that the risk-benefit profile of sildenafil might be acceptable for selected children in special situations. Oral phosphodiesterase 5 inhibitors are currently still part of the treatment guidelines for pulmonary hypertension in children.506,508 Cialis is another selective phosphodiesterase 5 inhibitor. Compared with sildenafil, it has a greater duration of action, which permits once-daily dosing. The initial experience in pediatric patients is promising.629,630 TRENTON, N.J. — The little blue pill that's helped millions of men in the bedroom is turning white.
Generic maker Teva Pharmaceuticals can start selling its version then, but isn't disclosing the price. Sildenafil is a prescription medication used to treat erectile dysfunction (ED). Sildenafil is also used to treat adults with pulmonary arterial hypertension (PAH). Sildenafil belongs to a group of drugs called PDE inhibitors. Sildenafil treats ED by increasing blood flow to the penis during sexual stimulation, which leads to an erection.
Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. This medication comes in tablet form and is taken one hour before sexual activity if treating for ED. It is taken 3 times a day, 4-6 hours apart, if treating for PAH. This medication also comes as an oral suspension (liquid) and in an injectable form to be given directly into a vein (IV) by a healthcare professional. Common side effects include headache, facial flushing, and upset stomach. Sildenafil and tadalafil are alike because they both can treat ED and PAH.
However, tadalafil has a few distinctions from sildenafil. Tadalafil is the generic name for the erectile dysfunction drug Cialis.
There are two versions of the drug: a version that can be taken as needed Cialis 5-mg daily dosing is the only PDE5 inhibitor dose approved for treating an enlarged prostate; improving ED symptoms is an added benefit of the daily dose. Because of the “as needed” version of tadalafil, some users may find this option more convenient. The downside, however, is that side effects tend to last longer too. The main difference between generic sildenafil and Viagra is marketing. The main ingredient in Viagra is sildenafil, meaning that the drugs are essentially the same. However, Viagra is marketed and prescribed strictly for erectile dysfunction, while generic sildenafil can be prescribed for PAH as well.
| Parameter | Value | Notes |
|---|---|---|
| Absorption Rate | Rapid, 30-60 minutes | Peak concentration in 60 min |
| Bioavailability | Approximately 40% | Varies by individual |
| Half-life | About 4 hours | Elimination from body |
| Metabolism | Liver via CYP3A4 enzyme | Major pathway |
| Excretion | Mainly via feces, some in urine | After metabolism |
Viagra is also known as “the little blue pill” because of its blue color, while generic sildenafil tends to be a white color. Disclaimer: Healthline has made every effort to blue sildenafil make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses. By preventing the breakdown of cGMP, sildenafil increases cGMP concentrations and potentiates the pulmonary vasodilation caused by endogenous NO.582–584 Sildenafil can also have positive effects on the ventricular contractility in patients with pulmonary hypertension because phosphodiesterase type 5 is highly expressed in the hypertrophied human right ventricle.585 It has a long-standing track record in the adult population.586–591 In the pediatric population, sildenafil is currently used as an adjunctive agent during weaning from NO, in the treatment of PA hypertension, for patients with congenital diaphragmatic hernia, for the perioperative management of patients after cardiac surgery, and also for persistent pulmonary hypertension of the newborn.48,592–603 The benefit of combining oral sildenafil with inhaled iloprost for the treatment of severe pulmonary hypertension has also been demonstrated.604 Most of the pharmacokinetic data for sildenafil are derived from adult studies with oral dosing. Sildenafil is rapidly absorbed; the bioavailability is 38% to 41% in the fasted state; and the maximum plasma concentration is achieved after 0.5 to 2.5 hours. It is highly metabolized in the liver into active metabolites. With a half-life of only 2 to 4 hours, sildenafil is relatively short-acting. Clearance decreases in patients with severe renal or hepatic dysfunction. Compared with healthy volunteers, patients with pulmonary hypertension have reduced clearance and greater bioavailability.605–610 In adult patients, a 10-mg IV bolus and a 20- mg oral tablet have comparable effects.611 According to in vitro studies, plasma concentrations of 50 to 400 ng/mL are necessary to provide a 50% to 90% inhibition of phosphodiesterase 5 activity.612,613 Only a few pediatric pharmacokinetic studies are available. Children (1–17 years of age) with PA hypertension given oral sildenafil had a relatively high oral clearance.614 Investigations in neonates demonstrated a larger volume of distribution, greater elimination half-life, and a rapidly increasing age-dependent metabolic clearance over the first month of postnatal life.615,616 Oral therapy usually begins with 0.25 to 0.5 mg/kg every 4 to 6 hours with increasing doses as tolerated.598,617,618 The IV use of sildenafil has been investigated in premature infants, neonates with persistent pulmonary hypertension, and children after congenital cardiac surgery.48,619–622 Case reports of sublingual use of sildenafil have also been published.623 Sildenafil seems to be well tolerated; the most commonly reported adverse effects are headache, fever, respiratory infections, vomiting, and diarrhea,614 but serious adverse events such as pulmonary hemorrhage, stridor or hypotension have been occasionally observed.572,614,624 In 2012, the results of a randomized, double-blind, placebo-controlled clinical trial (STARTS-1) investigating three different dose regiments of oral sildenafil for treatment-naïve children with pulmonary arterial hypertension were published.
Disclaimer: Healthline has made every effort to blue sildenafil make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
By preventing the breakdown of cGMP, sildenafil increases cGMP concentrations and potentiates the pulmonary vasodilation caused by endogenous NO.582–584 Sildenafil can also have positive effects on the ventricular contractility in patients with pulmonary hypertension because phosphodiesterase type 5 is highly expressed in the hypertrophied human right ventricle.585 It has a long-standing track record in the adult population.586–591 In the pediatric population, sildenafil is currently used as an adjunctive agent during weaning from NO, in the treatment of PA hypertension, for patients with congenital diaphragmatic hernia, for the perioperative management of patients after cardiac surgery, and also for persistent pulmonary hypertension of the newborn.48,592–603 The benefit of combining oral sildenafil with inhaled iloprost for the treatment of severe pulmonary hypertension has also been demonstrated.604 Most of the pharmacokinetic data for sildenafil are derived from adult studies with oral dosing. Sildenafil is rapidly absorbed; the bioavailability is 38% to 41% in the fasted state; and the maximum plasma concentration is achieved after 0.5 to 2.5 hours. It is highly metabolized in the liver into active metabolites. With a half-life of only 2 to 4 hours, sildenafil is relatively short-acting. Clearance decreases in patients with severe renal or hepatic dysfunction.
Compared with healthy volunteers, patients with pulmonary hypertension have reduced clearance and greater bioavailability.605–610 In adult patients, a 10-mg IV bolus and a 20- mg oral tablet have comparable effects.611 According to in vitro studies, plasma concentrations of 50 to 400 ng/mL are necessary to provide a 50% to 90% inhibition of phosphodiesterase 5 activity.612,613 Only a few pediatric pharmacokinetic studies are available. Children (1–17 years of age) with PA hypertension given oral sildenafil had a relatively high oral clearance.614 Investigations in neonates demonstrated a larger volume of distribution, greater elimination half-life, and a rapidly increasing age-dependent metabolic clearance over the first month of postnatal life.615,616 Oral therapy usually begins with 0.25 to 0.5 mg/kg every 4 to 6 hours with increasing doses as tolerated.598,617,618 The IV use of sildenafil has been investigated in premature infants, neonates with persistent pulmonary hypertension, and children after congenital cardiac surgery.48,619–622 Case reports of sublingual use of sildenafil have also been published.623 Sildenafil seems to be well tolerated; the most commonly reported adverse effects are headache, fever, respiratory infections, vomiting, and diarrhea,614 but serious adverse events such as pulmonary hemorrhage, stridor or hypotension have been occasionally observed.572,614,624 In 2012, the results of a randomized, double-blind, placebo-controlled clinical trial (STARTS-1) investigating three different dose regiments of oral sildenafil for treatment-naïve children with pulmonary arterial hypertension were published. Body weight–adjusted groups were treated for 16 weeks with placebo, small- (10 mg tid), medium- (10-40 mg tid), or large-dose (20-80 mg tid) sildenafil. The effect was greater with the medium- and large-dose ranges.614 A follow-up study (STARTS-2) after 2 years of treatment found an increased risk of mortality for the large-dose group,625 which triggered the release of an FDA warning against the chronic use of sildenafil for children aged 1 to 17 years. The European Medicines Agency warned only against the use of large doses. Body weight–adjusted groups were treated for 16 weeks with placebo, small- (10 mg tid), medium- (10-40 mg tid), or large-dose (20-80 mg tid) sildenafil. The effect was greater with the medium- and large-dose ranges.614 A follow-up study (STARTS-2) after 2 years of treatment found an increased risk of mortality for the large-dose group,625 which triggered the release of an FDA warning against the chronic use of sildenafil for children aged 1 to 17 years. The European Medicines Agency warned only against the use of large doses. The current controversy among pediatric cardiologists regarding the safety of sildenafil was fueled by several publications, which questioned the START-2 results.624,626–628 In 2014, the FDA issued another statement clarifying that the risk-benefit profile of sildenafil might be acceptable for selected children in special situations. Oral phosphodiesterase 5 inhibitors are currently still part of the treatment guidelines for pulmonary hypertension in children.506,508 Cialis is another selective phosphodiesterase 5 inhibitor. Compared with sildenafil, it has a greater duration of action, which permits once-daily dosing. The initial experience in pediatric patients is promising.629,630 TRENTON, N.J. — The little blue pill that's helped millions of men in the bedroom is turning white. Generic maker Teva Pharmaceuticals can start selling its version then, but isn't disclosing the price. Sildenafil is a prescription medication used to treat erectile dysfunction (ED). Sildenafil is also used to treat adults with pulmonary arterial hypertension (PAH).
Sildenafil belongs to a group of drugs called PDE inhibitors. Sildenafil treats ED by increasing blood flow to the penis during sexual stimulation, which leads to an erection. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. This medication comes in tablet form and is taken one hour before sexual activity if treating for ED. It is taken 3 times a day, 4-6 hours apart, if treating for PAH. This medication also comes as an oral suspension (liquid) and in an injectable form to be given directly into a vein (IV) by a healthcare professional. Common side effects include headache, facial flushing, and upset stomach. Sildenafil is a prescription medication used to treat erectile dysfunction (ED) in adult males. Sildenafil is also used to treat adults with pulmonary arterial hypertension, or PAH. This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information. Sildenafil is part of the drug class: The most common side effects of sildenafil: Less common side effects that may occur are temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes being more sensitive to light, or blurred vision. In rare instances, men taking PDE5 inhibitors reported a sudden decrease or loss of vision in one or both eyes.
Don’t worry about airport X-ray machines. You may need to show airport staff the pharmacy label for your medication. Always carry the original prescription-labeled container with you. Don’t put this medication in your car’s glove compartment or leave it in the car. Be sure to avoid doing this when the weather is very hot or very cold.
If you’re taking this drug for PAH, your doctor may monitor your blood pressure and pulse regularly. When filling your prescription, be sure to call ahead to make sure your pharmacy carries it. Many insurance companies require prior authorization for this drug. This means your doctor may need to get approval from your insurance company before your insurance company will pay for the prescription. Sildenafil under the brand name Viagra is prescribed to treat erectile dysfunction by increasing blood flow to the penis during arousal.
Sildenafil under the brand name Revatio is often prescribed to help adults with PAH get more exercise by treating their condition. What if I forget to take it? If you are taking Revatio and you forget to take your scheduled dose, take it as soon as possible. However, you should never double your dosage. If you completely miss a dose and it’s time for the next dose, skip the one you missed. It is not possible to determine whether these events are related directly to these medicines, to other factors such as high blood pressure or diabetes, or to a combination of these. If you experience sudden decrease or loss of vision, stop taking PDE5 inhibitors, including sildenafil, and call a doctor right away. In rare instances, men have reported an erection that lasts many hours.