DOSAGE AND ADMINISTRATION

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.

5.2 Worsening Pulmonary Vascular Occlusive Disease

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. 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. 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.

• Do not take sildenafil with heavy or fatty meals, as they can delay absorption.
• Regular physical activity can improve erectile function alongside medication.
• Maintain a healthy weight and lifestyle for better results.

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.

• The onset of action for sildenafil is usually within 30 to 60 minutes.
• The effect can last for up to 4-6 hours.
• The duration may vary depending on individual health and dosage.

Are there any safety measures I should take before using this drug?

How should I take sildenafil?

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. Senior dosage (ages 65 years and older) The kidneys, liver, or heart of older adults may not work as well as they used to.

Warnings for people with certain health conditions

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. Disclaimer: Our goal is to provide you with the most relevant and current information. 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 sildenafil 12.5 mg better suited for you than others.

• 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.

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.

Chemical synthesis

For women who are breastfeeding: When used for PAH, sildenafil may pass into breast milk and may cause side effects in a child who is breastfed. Talk with your doctor if you breastfeed your child. You may need to decide whether to stop breastfeeding or stop taking this medication. For seniors: The kidneys, liver, or heart of older adults may not work as well as they used to. This can cause your body to process drugs more slowly.

Cardiovascular problems

As a result, a higher amount of a drug stays in your body for a longer time. This raises your risk for side effects. For children: This drug isn’t recommended in children younger than 18 years. In one study, children with PAH who took this drug had an increased chance for death. All possible dosages and drug forms may not be included here. 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. Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up to date. You should always consult your doctor or other healthcare professional before taking any medication. NDC Code(s): 76420-613-30, 76420-613-60, 76420-613-90 If you are a consumer or patient please visit this version.

HIGHLIGHTS OF PRESCRIBING INFORMATION These highlights do not include all the information needed to use SILDENAFIL TABLETS safely and effectively.

• Sildenafil citrate 50 mg is used to treat erectile dysfunction in men.
• The typical starting dose is 50 mg taken about one hour before activity.
• It should not be used more than once per 24 hours.

See full prescribing information for SILDENAFIL TABLETS.SILDENAFIL tablets, for oral useInitial U.S. Approval: 1998INDICATIONS AND USAGEAdultsSildenafil citrate is a phosphodiesterase-5 (PDE-5) inhibitor indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and delay clinical worsening. ( 1)Pediatric Patients (1 to17 years old)Sildenafil tablet is indicated in pediatric patients 1 to 17 years old for the treatment of pulmonary arterial hypertension (PAH) (WHO Group I) to improve exercise ability and, in pediatric patients too young to perform standard exercise testing, pulmonary hemodynamics thought to underly improvements in exercise ( 1, 14)DOSAGE AND ADMINISTRATION• Adults: 20 mg three times a day Dose may be increased based on symptoms and tolerability. ( 2.1)• Pediatric patients (2.2)o ≤20 kg: 10 mg three times a dayo 20 kg to 45 kg: 20 mg three times a dayo >45 kg: 20 mg three times a day. Dose may be increased based on symptoms and tolerability.DOSAGE FORMS AND STRENGTHSTablets :20 mg ( 3)CONTRAINDICATIONSWARNINGS AND PRECAUTIONSVasodilation effects may be more common in patients with hypotension or on antihypertensive therapy. ( 5.1)Use in pulmonary veno-occlusive disease (PVOD) may cause pulmonary edema and is not recommended.

6.1 Clinical Trials Experience

Take it at the same time every day. For pfizer sildenafil 100 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). Don’t store this medication in moist or damp areas, such as bathrooms. ( 5.2)Hearing or visual impairment: Seek medical attention if sudden decrease or loss of vision or hearing occurs. ( 5.4, 5.5)Pulmonary hypertension (PH) secondary to sickle cell disease: Sildenafil citrate may cause serious vaso-occlusive crises.

12.2 Pharmacodynamics

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 sildenafil 60mg ED: Take your dose 30 minutes to 4 hours before your next sexual activity. For PAH: Take your dose as soon as you remember.

What should I tell my healthcare provider before taking sildenafil?

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 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. For PAH: You should be able to exercise more easily. ( 5.8)ADVERSE REACTIONSDRUG INTERACTIONSSee 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.Revised: 9/2023 • Adults: 20 mg three times a day Dose may be increased based on symptoms and tolerability. o ≤20 kg: 10 mg three times a day o 20 kg to 45 kg: 20 mg three times a day o >45 kg: 20 mg three times a day.

Brand names

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. If you stop taking the drug suddenly or don’t take it at all: For ED: Your ED symptoms won’t improve.

What are the serious side effects of sildenafil?

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. For this drug to work well, a certain amount needs to be in your body at all times. Dose may be increased based on symptoms and tolerability. Vasodilation effects may be more common in patients with hypotension or on antihypertensive therapy.

12.1 Mechanism of Action

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. Keep it in your carry-on bag. Use in pulmonary veno-occlusive disease (PVOD) may cause pulmonary edema and is not recommended.