Store the tablets at room temperature and away from excess heat and moisture (not in the bathroom).

Brand names

Tell your doctor if sildenafil is not working well or if you are experiencing side effects. If you are taking sildenafil for PAH, you should know that sildenafil controls PAH but does not cure it. Continue to take sildenafil even if you feel well. Do not stop taking sildenafil without talking to your doctor. Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.

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

This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. tell your doctor and pharmacist if you are allergic to sildenafil, any other medications, or any of the ingredients in sildenafil tablet or suspension. Ask your pharmacist for a list of the ingredients. Some medications should not be taken with sildenafil. Make sure you have discussed any other medications you are currently taking or plan to take before starting sildenafil with your doctor and pharmacist.

Incidence not known

Before starting, stopping, or changing any medications while taking sildenafil, please get the advice of your doctor or pharmacist. tell your doctor if you are taking street drugs containing nitrates ('poppers') such as amyl nitrate, amyl nitrite, or butyl nitrate while taking sildenafil. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates. tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Store the suspension at room temperature or in a refrigerator, but do not freeze it.

Product	Dosage	Quantity + Bonus	Price
Viagra Super Active	100mg	90 + 10 Pills	165.61€ 157.72€
Viagra Soft Tabs	100mg	90 + 6 Pills	205.31€ 195.53€
Viagra Generic	150mg	180 + 10 Pills	236.46€ 225.20€
Viagra Original	100mg	48 + 4 Pills	207.15€ 197.29€
Viagra Soft Tabs	100mg	120 + 8 Pills	232.21€ 221.15€
Viagra Professional	100mg	360 + 6 Pills	527.09€ 501.99€
Viagra Generic	200mg	20 Pills	61.69€ 58.75€
Viagra Generic	200mg	10 Pills	40.96€ 39.01€
Viagra Generic	50mg	180 + 8 Pills	158.82€ 151.26€
Viagra Super Active	100mg	270 + 30 Pills	390.61€ 372.01€

Dispose of any unused suspension after 60 days.

Elderly men may require lower starting doses.
Renal impairment can affect drug clearance.
Liver problems may necessitate dosage adjustment.
Always inform your doctor of your medical history.
Special populations need careful monitoring.

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.

What other information should I know?

If you experience chest pain, dizziness, or nausea during sexual activity, call your doctor immediately and avoid sexual activity until your doctor tells you otherwise. tell all your healthcare providers that you are taking sildenafil. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil. Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine. If you are taking sildenafil for erectile dysfunction, you are unlikely to miss a dose since this medication is taken as needed, not on a regular dosing schedule.

Less common

If you are taking sildenafil for PAH, take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one. 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.

Drug Interactions

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. 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 buy female viagra took sildenafil for erectile dysfunction. Most, but not all, of these people had heart problems before taking sildenafil. Dispose of unneeded medications in a way so that pets, children, and other people cannot take them.

What special dietary instructions should I follow?

you should know that sildenafil is available under the brand names Liqrev, Revatio, and Viagra. You should only be treated with one of these products at a time. The following nonprescription or herbal products may cheap viagra with dapoxetine interact with sildenafil: cimetidine (Tagamet HB), St. John's wort. Be sure to let your doctor and pharmacist know that you are taking these medications before you start taking sildenafil.

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:

Do not start these medications while taking sildenafil without discussing it with your healthcare provider. tell your doctor if you smoke, if you have had heart surgery within the last 6 months, if you have ever had an erection that lasted for more than 4 hours, and if you have recently lost a large amount of body fluids (dehydration). This can happen if you are sick with fever, diarrhea, or vomiting; sweat a lot; or do not drink enough liquids. Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease (PVOD; blockage of veins in the lungs); a stomach ulcer; heart, kidney, or liver disease; a heart attack; heart failure; angina (chest pain); an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems; blood cell problems such as sickle cell anemia (a disease of the red blood cells), multiple myeloma (cancer of the plasma cells), or leukemia (cancer of the white blood cells); conditions affecting the shape of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie's disease); or diabetes. Also tell your doctor if you or any of your family members have or have ever had an eye disease such as retinitis pigmentosa (an inherited eye condition that causes loss of vision) or if you have ever had sudden severe vision loss, especially if you were told that the vision loss was caused by a blockage of blood flow to the nerves that help you see.

More common

if you are a woman and you are taking sildenafil to treat PAH, tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking sildenafil, call your doctor. if you are having surgery, including dental surgery, tell your doctor or dentist that you are taking sildenafil. if you are taking sildenafil to treat erectile dysfunction, tell your doctor if you have ever been advised by a healthcare professional to avoid sexual activity for medical reasons or if you have ever experienced chest pain during sexual activity. Sexual activity may be a strain on your heart, especially if you have heart disease. Do not flush this medication down the toilet.

Parameter	Value	Description
Absorption	30-60 minutes	Time to reach peak plasma concentration
Bioavailability	~40%	Percentage of drug absorbed into bloodstream
Half-life	4 hours	Time for plasma concentration to halve
Metabolism	Liver (CYP3A4 enzyme)	Mainly processed in the liver
Excretion	Feces (80%), Urine (13%)	Routes of elimination

Talk to your pharmacist about take-back programs in your community.

Approved by the FDA in 1998.
It is a Schedule IV controlled substance in some places.
Strict regulations govern its distribution.
Counterfeit pills are a known issue in the market.
Buy only from licensed and reputable pharmacies.

Visit the FDA's Safe Disposal of Medicines website for more information.

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

Take sildenafil as needed before sexual activity. The best time to take sildenafil is about 1 hour before sexual activity, but you can take the medication any time from 4 hours to 30 minutes before sexual activity. Sildenafil usually should not be taken more than once every 24 hours. If you have certain health conditions or are taking certain medications, your doctor may tell you to take sildenafil less often. You can take sildenafil with or without food.

Other Interactions

Shake the liquid well for 10 seconds before each use to mix the medication evenly. Use the oral syringe provided with your medication to measure and take your dose. Follow the manufacturer's directions to use and clean the oral syringe. Do not mix the liquid with other medications or add anything to flavor the medication. If you are taking sildenafil for erectile dysfunction, your doctor will probably start you on an average dose of sildenafil and increase or decrease your dose depending on your response to the medication. In case of overdose, call the poison control helpline at 1-800-222-1222.

Side Effect	Severity	Frequency	Notes
Headache	Mild to moderate	Common	Usually temporary
Flushing	Mild	Common	Facial redness
Nasal Congestion	Mild	Common	Nasal stuffiness
Dizziness	Mild	Less common	When standing up quickly
Indigestion	Mild	Common	Gastrointestinal discomfort

Information is also available online at If the victim has collapsed, had a

What special precautions should I follow?

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. 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. seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911.

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

Do not let anyone else take your medication.

In case of emergency/overdose

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. 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.

Managing Expectations with 50mg Sildenafil