Common Questions About the 50mg Dosage

If you do not have a plastic syringe or spoon, ask your pharmacist for one.

In case of emergency/overdose

Keep a written list of all of the prescription and nonprescription (over-the-counter) medicines, vitamins, minerals, and dietary supplements you are taking. Bring this list with you each time you visit a doctor or if you are admitted to the hospital. You should carry the list with you in case of emergencies. It's important to take sildenafil as advised by a doctor or pharmacist. Sildenafil tablets for erectile dysfunction come in different strengths ranging from 25mg to 100mg.

Less common

The usual dose is 50mg, when you need it. Do not take it more than once a day. The dose can be increased to 100mg or decreased to 25mg depending on its effect. Take sildenafil up to 4 hours before you want to have sex. For sildenafil to work properly, you'll need to be sexually excited. Do not use a kitchen teaspoon as it will not viagra black measure the right amount. If you have pulmonary hypertension and you forget to take a dose of sildenafil, take it as soon as you remember unless it's nearly time for your next dose. In this case, just leave out the missed dose and take your next dose at the usual time. Never take 2 doses at the same time. Never take an extra dose to make up for a forgotten one. If you often forget doses, it may help to set an alarm to remind you. You could also ask your pharmacist for advice on other ways to help you remember to take your medicine. Taking too much sildenafil can cause unpleasant side effects. Talk to your doctor if you take too much sildenafil and you're worried about any of these side effects: Sildenafil is used to treat erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of the areas where this enzyme works. Erectile dysfunction is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection.

Product	Dosage	Quantity + Bonus	Price
Viagra Generic	100mg	270 + 10 Pills	270.47€ 257.59€	Buy
Viagra Generic	200mg	20 Pills	61.69€ 58.75€	Buy
Viagra Professional	100mg	120 + 4 Pills	262.83€ 250.31€	Buy
Viagra Generic	200mg	10 Pills	40.96€ 39.01€	Buy
Viagra Generic	100mg	20 Pills	45.58€ 43.41€	Buy
Viagra Generic	100mg	180 + 8 Pills	199.37€ 189.88€	Buy
Viagra Super Active	100mg	90 + 10 Pills	165.61€ 157.72€	Buy
Viagra Professional	100mg	30 Pills	88.92€ 84.69€	Buy
Viagra Generic	150mg	30 + 2 Pills	72.32€ 68.88€	Buy
Viagra Super Active	100mg	30 + 6 Pills	64.09€ 61.04€	Buy
Viagra Super Active	100mg	60 + 8 Pills	116.84€ 111.28€	Buy
Viagra Original	100mg	76 + 4 Pills	306.59€ 291.99€	Buy
Viagra Generic	200mg	180 + 10 Pills	277.56€ 264.34€	Buy
Viagra Soft Tabs	100mg	20 Pills	62.99€ 59.99€	Buy
Viagra Generic	50mg	10 Pills	26.87€ 25.59€	Buy
Viagra Super Active	100mg	20 + 4 Pills	48.05€ 45.76€	Buy

When a man is sexually stimulated, his body's normal response is to increase blood flow to his penis to produce an erection.

Region	Average Cost per Pill	Notes
United States	$10 - $20	Prescription required
Europe	€8 - €15	Depending on pharmacy
Asia	$2 - $8	Usually available OTC
Australia	AUD 15 - AUD 25	Prescription may be needed
Africa	$1 - $5	Varied by country

By controlling the enzyme, sildenafil helps to maintain an erection after the penis is stroked.

What should I know about storage and disposal of this medication?

numbness, burning, or tingling in the arms, hands, feet, or legs pain in muscles, back, arms, or legs changes in color vision (seeing a blue tinge on objects or having difficulty telling the difference between blue and green) sudden severe loss of vision (see below for more information) erection that is painful or lasts longer than 4 hours rash; itching; hives; difficulty breathing or swallowing; swelling of the eyes, face, throat, tongue, or lips Some patients experienced a sudden loss of some or all of their vision after they took sildenafil or other medications that are similar to sildenafil. The vision loss was permanent in some cases. It is not known if the vision loss was caused by the medication. If you experience a sudden loss of vision while you are taking sildenafil, call your doctor immediately. Do not take any more doses of sildenafil or similar medications such as tadalafil (Cialis) or vardenafil (Levitra) until you talk to your doctor.

Before taking sildenafil,

There have been reports of heart attack, stroke, irregular heartbeat, bleeding in the brain or lungs, high blood pressure, and sudden death in men who took sildenafil for erectile dysfunction. Most, but not all, of these people had heart problems before taking sildenafil. It is not known whether these events were caused by sildenafil, sexual activity, heart disease, or a combination of these and other causes. Talk to your doctor about the risks of taking sildenafil. Some patients experienced a sudden decrease or loss of hearing after they took sildenafil or other medications that are similar to sildenafil. Without physical action to the penis, such as that occurring during sexual intercourse, sildenafil will not work to cause an erection. Sildenafil is also used in both men and women to treat the symptoms of pulmonary arterial hypertension. This is a type of high blood pressure that occurs between the heart and the lungs. When hypertension occurs in the lungs, the heart must work harder to pump enough blood through the lungs.

• The medication can be part of a broader ED treatment plan.
• Viagra can be effective even with underlying health conditions.
• Follow-up with your healthcare provider for optimal results.
• Discontinue use and seek medical advice if adverse effects occur.

Sildenafil works on the PDE5 enzyme in the lungs to relax the blood vessels.

• Brand name Viagra is typically more expensive.
• Generic sildenafil 50mg is cost-effective.
• Insurance coverage varies by plan.
• Patient assistance programs may be available.
• Prices fluctuate based on market demand.

This will increase the supply of blood to the lungs and reduce the workload of the heart.

• Patients should avoid driving if dizzy.
• Alcohol and driving do not mix well together.
• Be aware of potential vision disturbances.
• Do not share your medication with others.
• Follow all instructions from your healthcare provider.

This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do.

Brand names

Keep all medication out of sight and reach of children as many containers are not child-resistant. Place the medication in a safe location – one that is up and away and out of their sight and reach. Dispose of unneeded medications in a way so that pets, children, and other people cannot take them. Do not flush this medication down the toilet. Talk to your pharmacist about take-back programs in your community.

Other Interactions

Visit the FDA's Safe Disposal of Medicines website for more information. In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911. Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription. This is a decision you and your doctor will make. For this medicine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines.

• Men with kidney or liver problems should consult a doctor.
• Viagra may cause skin rashes in rare cases.
• Stay hydrated but avoid excess fluids during use.
• Never share your medication with others.

Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Appropriate studies have not been performed on the relationship of age to the effects of sildenafil in children younger than 1 year of age. Safety and efficacy have not been established. Sildenafil should never be used in children for erectile dysfunction. In general, sildenafil should not be used for pulmonary arterial hypertension in children, especially for chronic use.

What special dietary instructions should I follow?

It is not known if the hearing loss was caused by the medication. If you experience a sudden loss of hearing, sometimes with ringing in the ears or dizziness, while you are taking sildenafil, call your doctor immediately. If you are taking sildenafil (Viagra) for erectile dysfunction, do not take any more doses of sildenafil (Viagra) or similar medications such as tadalafil (Cialis) or vardenafil (Levitra) until you talk to your doctor. If you are taking sildenafil (Liqrev, Revatio) for PAH, do not stop taking your medication until you talk to your doctor. Call your doctor if you have any unusual problems while you are taking this medication.

Incidence not known

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online ( or by phone (1-800-332-1088). Keep this medication in the container it came in, tightly closed, and out of reach of children. Store the tablets at room temperature and away from excess heat and moisture (not in the bathroom). Store the suspension at room temperature or in a refrigerator, but do not freeze it. Dispose of any unused suspension after 60 days. Use of sildenafil oral film is not indicated for use in the pediatric population. Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of sildenafil in the elderly.

Before Using

Sildenafil tablets for pulmonary hypertension come in 10mg and 20mg strengths. The usual adult dose is 20mg taken 3 times a day. Doses for children can range from 10mg to 20mg taken 3 times a day, depending on their weight. Do not take it more than 3 times a day. Swallow tablets whole with a drink of water or juice (but not grapefruit juice).

Sildenafil may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:

For erectile dysfunction, it's best to take sildenafil on an empty stomach. It may take longer to work if you take it with food. If you or your child are taking sildenafil as a liquid, 1ml is usually the same as taking a 10mg tablet, but it's important to always check the medicine label. Liquid sildenafil will usually be made up for you by your pharmacist. The medicine will come with a plastic syringe or spoon to help you take the right amount. 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. 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 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.