8 USE IN SPECIFIC POPULATIONS

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.

• Patients should avoid grapefruit or grapefruit juice while taking sildenafil tablets.
• Consult your doctor if you experience persistent pain or vision changes.
• Sildenafil tablets can be part of a broader treatment plan including lifestyle changes.

The downside, however, is that side effects tend to sildenafil citrate tablet last longer too.

2.1 Recommended Dosage in Adults

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). Don’t store this medication in moist or damp areas, such as bathrooms.

Erectile dysfunction

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.

Sildenafil Tablets for ED

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. 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.

Product	Dosage	Quantity + Bonus	Price
Viagra Generic	150mg	90 + 6 Pills	147.18€ 140.17€	Buy
Kamagra Soft Tabs	100mg	84 + 4 Pills	233.05€ 221.95€	Buy
Viagra Generic	150mg	180 + 10 Pills	236.46€ 225.20€	Buy
Kamagra	100mg	360 + 6 Pills	839.95€ 799.95€	Buy
Kamagra	100mg	20 Pills	86.09€ 81.99€	Buy
Viagra Generic	200mg	360 + 10 Pills	481.98€ 459.03€	Buy
Viagra Generic	150mg	120 + 8 Pills	177.58€ 169.12€	Buy
Kamagra Oral Jelly	100mg	220 + 18 Sachets	662.24€ 630.70€	Buy
Kamagra Soft Tabs	100mg	12 Pills	57.55€ 54.81€	Buy
Kamagra Polo	100mg	32 Pills	125.88€ 119.89€	Buy
Kamagra Polo	100mg	120 + 6 Pills	327.15€ 311.57€	Buy
Viagra Generic	150mg	10 Pills	36.73€ 34.98€	Buy
Viagra Generic	100mg	20 Pills	45.58€ 43.41€	Buy
Kamagra	100mg	12 Pills	55.64€ 52.99€	Buy
Viagra Generic	150mg	60 + 4 Pills	111.25€ 105.95€	Buy
Kamagra Oral Jelly	100mg	30 + 5 Sachets	136.20€ 129.71€	Buy
Viagra Generic	100mg	60 + 4 Pills	96.36€ 91.77€	Buy

However, Viagra is marketed and prescribed strictly for erectile dysfunction, while generic sildenafil can be prescribed for PAH as well.

How to Increase Bed-Time with Ayurveda Medicines

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.

Common Side Effects

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.

Study of Dose–Response, Efficacy, and Safety

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. Viagra is also known as “the little blue pill” because of its blue color, while generic sildenafil tends to be a white color.

Before taking this medicine

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. Disclaimer: Healthline has made every effort to 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.

Aspect	Sildenafil	Tadalafil
Onset of Action	30-60 minutes	30-60 minutes
Duration of Effect	Up to 4-6 hours	Up to 36 hours
Food Interaction	Affects absorption (better on empty stomach)	Less affected by food

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. Sildenafil is commonly used for the following conditions. Erectile dysfunction, a condition where you have trouble getting or keeping an erection Pulmonary arterial hypertension, a condition where you have high blood pressure in the blood vessels that carry blood from your heart to your lungs Sildenafil may also be used for other conditions as determined by your healthcare provider. Sildenafil works by blocking an enzyme in the body called PDE5, which helps relax certain blood vessels. For erectile dysfunction, it increases blood flow to the penis when aroused.

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: sildenafil citrate chewable tablets 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. For PAH: Take your dose as soon as you remember.

#2 Serotonin

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.

Therapies for Erectile Dysfunction

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. This makes it easier to get and keep an erection. For pulmonary arterial hypertension, sildenafil relaxes the blood vessels in the lungs. This lowers blood pressure and reduces strain on the heart. 10 mg/mL powder for oral suspension 20 mg, 25 mg, 50 mg, 100 mg oral tablets Sildenafil is also available in an injectable form that is usually given by a healthcare provider in a hospital or clinic.

• Sildenafil tablets are mainly used in adult men with erectile dysfunction.
• Regular use of sildenafil tablets requires medical supervision for safety.
• Do not use sildenafil tablets if you are allergic to any of the ingredients.

Sildenafil oral tablets should be stored at room temperature, between 68 F to 77 F (20 C to 25 C). It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C) for shorter periods of time, such as when transporting it. Sildenafil oral liquid should be stored at room temperature below 86 F (30 C) or in the refrigerator, between 36 F to 46 F (2 C to 8 C). Throw away any remaining liquid 60 days after it has been mixed for you by a pharmacist or healthcare professional.

2.2 Recommended Dosage in Pediatric Patients

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. Sildenafil injection is usually given by a healthcare provider in a hospital or clinic. You will not store it at home.

More about sildenafil

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. The most common side effects of sildenafil are listed below.

12.1 Mechanism of Action

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.

Related treatment guides

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.

Vitamin K Antagonists

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. These side effects may vary depending on the condition that is being treated. Tell your healthcare provider if you have any of these side effects that bother you. Pain in your muscles, back, arms, or legs There may be other side effects of sildenafil that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine.