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Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day.

  • Sildenafil citrate enhances nitric oxide effects during sexual activity.
  • Take sildenafil approximately one hour before planned intercourse.
  • Avoid alcohol consumption to reduce potential side effects.
  • The tablet should be swallowed whole with water, not split or crushed.
  • Use sildenafil only as directed by a healthcare professional.
  • Repeat doses are usually not advised within 24 hours.

However the dose is usually not more than 40 mg 3 times a day.

What other drugs will affect sildenafil?

For treatment of erectile dysfunction:For oral dosage form (tablets):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed.Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose if needed.Children—Use is not recommended.For oral dosage form (film):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose as needed.Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse.

Professional resources

Your doctor may adjust your dose as needed.Children—Use is not recommended. For oral dosage form (tablets):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose if needed.Children—Use is not recommended. Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose if needed. Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day. Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day. Children younger than 1 year of age—Use and dose must be determined by your doctor.

Product Dosage Quantity + Bonus Price
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Viagra Generic150mg10 Pills36.73€ 34.98€
Kamagra Soft Tabs100mg120 + 6 Pills311.78€ 296.93€
Kamagra Soft Tabs100mg180 + 8 Pills425.45€ 405.19€
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Kamagra100mg60 + 4 Pills201.34€ 191.75€
Viagra Generic200mg270 + 10 Pills379.76€ 361.68€
Kamagra100mg360 + 6 Pills839.95€ 799.95€
Viagra Generic25mg20 Pills37.74€ 35.94€
Kamagra Polo100mg12 Pills60.21€ 57.34€
Viagra Generic150mg20 Pills55.02€ 52.40€
Viagra Generic200mg120 + 8 Pills204.80€ 195.05€
Viagra Generic100mg120 + 6 Pills149.50€ 142.38€

For oral dosage forms (suspension or tablets): If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.

Route of administration

This medicine usually begins to work for erectile dysfunction within 30 minutes after taking it. It continues to work for up to 4 hours, although its action is usually less after 2 hours. Use only the brand of this medicine that your doctor prescribed. Different brands may not work the same way. The dose of this medicine will be different for different patients.

Sildenafil Tablets for ED

Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep out of the reach of children.

Condition Description Additional Information
Erectile Dysfunction Difficulty achieving or maintaining erection Prescribed for compatible conditions
Pulmonary Arterial Hypertension Off-label use for this condition Under medical supervision
Viagra use Brand name commonly associated Usually smaller doses
Approved age range Typically adults over 18 Age restrictions may vary

Do not keep outdated medicine or medicine no longer needed. Ask your healthcare professional how you should dispose of any medicine you do not use. Store mixed oral liquid in the refrigerator. Throw away any unused mixed Revatio® oral liquid after 60 days.

Related/similar drugs

Ask your doctor if you have any questions. You may take this medicine with or without food. Place the film on top of your tongue. It will dissolve in your mouth and can be swallowed with saliva without using water or other liquids. Shake the bottle well for at least 10 seconds before each use.

How does sildenafil work (mechanism of action)?

Remove the cap by pushing it down sildenafil 100mg hexal and twisting it counter-clockwise. Push the plunger of the syringe, then insert the tip into the bottle while holding the bottle upright on a flat surface. Slowly pull back the plunger until the required dose. If you see air bubbles in the syringe, repeat the steps. Place the tip of the syringe into you or your child's mouth and point it towards the cheek. It is important that you tell all of your doctors that you take sildenafil.

What other drugs will affect Viagra?

If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases.

Shipping Options

If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco. The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially: Abnormal penis, including a curved penis or birth defects of the penis—Chance of problems occurring may be increased and this medicine should be used with caution in these patients. Arrhythmia (irregular heartbeat, within the last 6 months) or Blood vessel problems (eg, aortic stenosis, idiopathic subaortic stenosis) or Heart attack (within the last 6 months) or Retinitis pigmentosa (an inherited eye disorder) or Stroke (within the last 6 months)—Should not be used in patients with these conditions. Crowded disc or low cup to disc ratio in the eye (an eye disorder) or Hyperlipidemia (high fats in the blood) or Non-arteritic anterior ischemic optic neuropathy or NAION (serious eye condition), history of or Retinitis pigmentosa (an inherited eye disorder) or Smoking—May increase the chance for a serious side effect in the eye called NAION. If you need emergency medical care for a heart problem, it is important that your doctor knows when you last took sildenafil.

  • Sildenafil 200mg may cause visual disturbances or blurring.
  • Check for contraindications such as cardiac issues prior to use.
  • It does not increase sexual desire, only improves blood flow.
  • Be cautious of counterfeit sildenafil tablets on the black market.
  • Patients should report any severe side effects to a doctor.
  • Not recommended for women or children under age 18.

Do not use this medicine if you are also using a nitrate medicine, often used to treat angina or high blood pressure.

  • Sildenafil works by inhibiting PDE5 enzyme activity.
  • The effects of 200mg may last up to 4-6 hours.
  • Avoid high-fat meals before taking sildenafil for faster absorption.
  • Warnings include potential for sudden hearing loss.
  • Do not take sildenafil if you are on medications containing nitrates.
  • Keep a record of side effects to inform your healthcare provider.

Some illegal ("street") drugs called "poppers" (such as amyl nitrate, butyl nitrate, or nitrite).

Drug Class Interaction Effect Clinical Relevance
Nitrates Severe hypotension Avoid co-administration
CYP3A4 Inhibitors Increased sildenafil levels Dose adjustment recommended
Alpha-blockers Additive blood pressure lowering effects Use with caution
Other PDE5 inhibitors Increased risk of side effects Generally not combined

Do not use this medicine if you also use riociguat (Adempas®).

Viagra side effects

However, elderly patients are more likely to have age-related liver, kidney, or heart problems, which may require caution and an adjustment in the dose for patients receiving sildenafil. There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary.

Product Image Highlights

When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive. Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take. Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If you will be taking this medicine for pulmonary arterial hypertension, your doctor will want to check your progress at regular visits.

What special precautions should I follow?

Stomach ulcer, or history of or—Chance of problems occurring may be increased. It is not known if the medicine is safe for use in these patients. The effects may be increased because of slower removal of the medicine from the body. Sickle-cell anemia (blood disorder)—Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur. Pulmonary arterial hypertension (high blood pressure in the lungs) or Pulmonary veno-occlusive disease or PVOD (a type of lung disease)—Use with caution.

Key takeaways

Use sildenafil exactly as directed by your doctor. Do not use more of it and do not use it more often than your doctor ordered. If too much is used, the chance of side effects is increased. This medicine comes with a patient information leaflet. Read and follow these instructions carefully before you start using sildenafil and each time you get a refill of your medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it. If you take sildenafil for pulmonary arterial hypertension, do not take Viagra®, Vibrique™ or other PDE5 inhibitors, including tadalafil (Cialis®) or vardenafil (Levitra®). If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher.

Non-medical use

Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. For oral dosage form (film):Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Your doctor may adjust your dose as needed. For treatment of pulmonary arterial hypertension:For oral dosage forms (suspension or tablets):Adults—20 milligrams (mg) 3 times a day. Your doctor may adjust your dose as needed and tolerated.

How is sildenafil supplied (dosage forms)?

However, the dose is usually not more than 80 mg 3 times a day.Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day. However the dose is usually not more than 40 mg 3 times a day.Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day.Children 1 year of age and older weighing 20 kg or less—10 mg 3 times a day.Children younger than 1 year of age—Use and dose must be determined by your doctor. For oral dosage forms (suspension sildenafil pricing or tablets):Adults—20 milligrams (mg) 3 times a day. Adults—20 milligrams (mg) 3 times a day. However, the dose is usually not more than 80 mg 3 times a day.