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6 ADVERSE REACTIONS

Sildenafil > sildenafil citrate 100 mg


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.

Property Description Typical Dose Onset Time Duration of Action
Mechanism of Action PDE5 inhibitor that enhances blood flow to the penis 100 mg 30-60 min 4-6 hours
Bioavailability Percentage of drug reaching systemic circulation ~40% N/A N/A
Half-life Time for plasma concentration to reduce by half 4 hours N/A N/A
Metabolism Liver enzymes involved (primarily CYP3A4) CYP3A4 N/A N/A

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 make certain that all information is factually correct, comprehensive, and up to date.

Other Comments

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. Some may be better suited for you than others. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional.

Product Dosage Quantity + Bonus Price
Kamagra Soft Tabs100mg60 + 4 Pills180.59€ 171.99€
Viagra Generic50mg60 + 4 Pills83.93€ 79.93€
Viagra Generic200mg20 Pills61.69€ 58.75€
Viagra Generic25mg10 Pills25.19€ 23.99€
Viagra Generic100mg180 + 8 Pills199.37€ 189.88€
Viagra Generic100mg120 + 6 Pills149.50€ 142.38€
Viagra Generic25mg120 + 6 Pills125.56€ 119.58€
Kamagra Soft Tabs100mg32 Pills120.11€ 114.39€
Kamagra Polo100mg32 Pills125.88€ 119.89€
Kamagra Polo100mg272 + 12 Pills622.94€ 593.28€
Kamagra Oral Jelly100mg110 + 9 Sachets334.87€ 318.92€
Viagra Generic150mg60 + 4 Pills111.25€ 105.95€

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.

NDC search formats

All possible dosages and drug forms may not be included here. Your dosage, drug form, and how often you take the drug will depend on: how you react to the first dose Strengths: 25 mg, 50 mg, 100 mg Strengths: 25 mg, 50 mg, 100 mg Typical dosage: 50 mg, taken as needed about 1 hour before sexual activity. It can be taken 30 minutes to 4 hours before sexual activity. Maximum dosage: 100 mg once per day. This drug has not been confirmed to be safe or effective in children younger than 18 years.

Allergy warning

Senior dosage (ages 65 years and older) The kidneys, liver, or heart of older adults may not work as well as they used to. This raises your risk of side effects. Your doctor may start you on a lowered dosage of sildenafil. This can help prevent levels of this drug from building up in your body. Typical dosage: 5 or 20 mg, taken three times per day about 4 to 6 hours apart Maximum dosage: 20 mg, taken three times per day about 4 to 6 hours apart This drug shouldn’t be used in children younger than 18 years of age.

Alcohol interaction warning

Disclaimer: Our goal is to provide you with the most relevant and current information. However, because drugs affect each person differently, we cannot guarantee that this list includes all possible dosages. Always speak with your doctor or pharmacist about dosages that are right for you. Sildenafil oral tablet is used for short-term treatment of ED and long-term treatment of PAH. It comes with serious risks if you don’t take it as prescribed. 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.

Advice To Patients

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. Sildenafil (Revatio) is used to improve the ability to exercise in people with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Applies to the following strengths: 10 mg/mL; 10 mg/12.5 mL; 20 mg; 25 mg; 50 mg; 100 mg; 75 mg TABLETS (Viagra) Initial dose: 50 mg orally once a day, as needed, about 1 hour prior to sexual activity Maintenance dose: May increase to 100 mg or decrease to 25 mg once a day, based on efficacy and tolerability. Maximum dose: 100 mg orally once a day Comments: This drug may be taken anywhere from 30 minutes to 4 hours before sexual activity.

TABLETS (Revatio)/ORAL SUSPENSION (Revatio, Liqrev): Initial dose: 20 mg orally 3 times a day Maintenance dose: May titrate up to 80 mg orally 3 times a day, if required, based on symptoms and tolerability. Maximum dose: 80 mg orally 3 times a day IV: 10 mg IV bolus 3 times a day Comments: No adjustment for body weight is required for IV dosing.

Research Area Focus Potential Impact
New Formulations Long-acting or transdermal options Improved convenience and adherence
Combination Therapy Sildenafil with other agents Enhanced efficacy or reduced doses
Genetic Factors in Response Personalized dosing based on genetics Minimize side effects, maximize effectiveness
New Indications Expanding uses beyond current approved purposes Broader therapeutic applications

The 10 mg IV bolus dose is predicted to provide an equivalent pharmacological effect to that of 20 mg orally.

What other drugs will affect sildenafil?

For PAH: You should be able to exercise more easily. Your doctor will also check you to determine if this drug is working. Keep these considerations in mind if your doctor prescribes sildenafil for you. You can take this drug with or without food. You can cut or crush the tablet.

Autres utilisations

When you take the drug depends on the condition being treated:For ED: You can take this drug at any time of day.For PAH: Take this drug three times per day about 4–6 hours apart. Take it at the same time every day. For ED: You can take this drug at any time of day. For PAH: Take this drug three times per day about 4–6 hours apart. Store sildenafil tablets at room temperature between 59°F and 86°F (15°C and 30°C).

Therapies for Erectile Dysfunction

Don’t store this medication in moist or damp areas, such as bathrooms. A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. When flying, never put it into a checked bag. Doses up to a maximum of 80 mg orally 3 times a day are supported by delayed clinical worsening with long-term use in clinical studies despite a lack of observed dose-response improvement in exercise ability in short-term clinical studies.

In adults 65 years or older, use caution with dose selection due to a higher incidence of compromised renal, cardiac, and/or hepatic function, and of concomitant disease or drug therapy.

5.5 Hypotension when Co-administered with Alpha-blockers or Anti-hypertensives

Keep it in your carry-on bag. 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.

Organic Nitrates, Nitrites, and Nitric Oxide Donors

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.

Competing interests

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 sildenafil 100 mg cost 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. Use: For the treatment of PAH (WHO Group I) to improve exercise ability and delay clinical worsening TABLETS (Viagra) Initial dose: 25 mg orally once a day, as needed, about 1 hour prior to sexual activity Maintenance dose: May titrate up to 100 mg orally once a day, based on effectiveness and toleration. Maximum dose: 100 mg orally once a day Comments: This drug may be administered anywhere from 30 minutes to 4 hours before sexual activity.

7.5 Alcohol

If you stop taking the drug suddenly or don’t take it at all: For ED: Your ED symptoms won’t improve. For PAH: Your condition won’t improve and may get worse. Also, you won’t be able to exercise. If you miss doses or don’t take the drug on schedule: For ED: Your ED symptoms won’t improve. For PAH: This medication may not work as well or may stop working completely.

Usual Adult Dose for:

For this drug to work well, a certain amount needs to be in your body at all times. If you take too much: You could have dangerous levels of the drug in your body. Symptoms of an overdose of this drug can include: If you think you’ve taken too much of this drug, call your doctor or local poison control center. If your symptoms are severe, call 911 or go to the nearest emergency room right away. What to do if you miss a dose: For ED: Take your dose 30 minutes to 4 hours before your next sexual activity.

Other Interactions

For PAH: Take your dose as soon as you remember. But if you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in lovegra sildenafil dangerous side effects. How to tell if the drug is working: For ED: You should be able to get and maintain an erection when sexually aroused. A reduced starting dose is recommended in older adults due to higher systemic exposure as compared to younger adults. TABLETS (Revatio)/ORAL SUSPENSION (Revatio) 1 to less than 18 years: Weight 20 kg or less: 10 mg orally 3 times a day Weight greater than 20 kg to 45 kg: 20 mg orally 3 times a day Weight greater than 45 kg: 20 mg orally 3 times a day; dose may be titrated up to a maximum of 40 mg orally 3 times a day, if required, based on symptoms and tolerability Use: For the treatment of pulmonary arterial hypertension (WHO Group I) to improve exercise ability and, in pediatric patients too young to perform standard exercise testing, pulmonary hemodynamics thought to underlie improvements in exercise ERECTILE DYSFUNCTION: Mild to Moderate Renal Dysfunction (CrCl 30 to 80 mL/min): No adjustment recommended Severe Renal Dysfunction (CrCl less than 30 mL/min): Consider a starting dose of 25 mg orally once a day, about 1 hour prior to sexual activity Mild, Moderate, or Severe Renal Dysfunction (CrCl 80 to less than 30 mL/min): No adjustment recommended ERECTILE DYSFUNCTION: Mild, Moderate, or Severe Liver Dysfunction (Child-Pugh A, B, or C): Consider a starting dose of 25 mg orally once a day, about 1 hour prior to sexual activity.

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