Dispose of unneeded medications in a way so that pets, children, and other people cannot take them.

Sildenafil is available in various dosages: 25 mg, 50 mg, 100 mg.
Starting dose depends on individual health and response.
Dose adjustments should be done under medical supervision.
Overuse may lead to increased side effects.
Missing a dose is generally safe; do not double up.
The drug may be taken with or without food.
It’s generally recommended to avoid heavy meals before taking.
Always follow your healthcare provider’s guidance.

Do not flush this medication down the toilet.

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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.

Clinical monitoring

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

Sildenafil citrate can also treat pulmonary arterial hypertension.
It enhances exercise capacity in patients with this condition.
The drug’s effects usually last 4-6 hours.
Taking it with a high-fat meal can delay absorption.
Sildenafil should not be used with nitrate medications.
Serious side effects include vision changes and priapism.
It is contraindicated in individuals with certain heart conditions.
Patients should inform their doctor about all medications.

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

Product	Dosage	Quantity + Bonus	Price
Kamagra	100mg	32 Pills	121.24€ 115.47€
Viagra Generic	50mg	20 Pills	40.52€ 38.59€
Kamagra	100mg	84 + 6 Pills	264.44€ 251.85€
Viagra Generic	25mg	360 + 10 Pills	213.68€ 203.50€
Viagra Generic	150mg	20 Pills	55.02€ 52.40€
Viagra Generic	200mg	60 + 4 Pills	125.19€ 119.23€
Kamagra Polo	100mg	120 + 6 Pills	327.15€ 311.57€
Viagra Generic	25mg	60 + 4 Pills	71.99€ 68.56€
Viagra Generic	50mg	90 + 6 Pills	107.37€ 102.26€
Kamagra	100mg	12 Pills	55.64€ 52.99€
Kamagra Soft Tabs	100mg	60 + 4 Pills	180.59€ 171.99€
Viagra Generic	100mg	30 + 4 Pills	60.91€ 58.01€
Kamagra Oral Jelly	100mg	63 + 7 Sachets	224.18€ 213.50€

In case of overdose, call the poison control helpline at 1-800-222-1222.

Pregnancy & Lactation

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.

What dose should be taken?

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. 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.

Sildenafil citrate is sometimes used off-label for other conditions.
Off-label uses include altitude sickness and Raynaud’s phenomenon.
Research continues into additional therapeutic effects.
The drug’s development was led by Pfizer.
It is often used in combination with other ED treatments.
Patients should avoid grapefruit juice, which can affect drug levels.
Some formulations include chewable or dissolvable tablets.
Ongoing studies investigate its cardiovascular benefits.

Do not let anyone else take your medication.

Frequently asked questions

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. Keep all medication out sildenafil otc 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. Ask your pharmacist any questions you have about refilling your prescription.

Effect	Mechanism	Onset Time	Duration
Vasodilation	Increased cGMP in smooth muscle	30 mins	4-6 hours
Blood Pressure Reduction	Vasodilation effects	Rapid	Several hours
Enhanced Erectile Function	Increased blood flow to penis	30 mins	Up to 4-6 hours

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.

What is Sildenafil Citrate?

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 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.

Dosage for pulmonary arterial hypertension (PAH)

Do not start these medications sildenafil oral jelly 100mg 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. You should carry the list with you in case of emergencies.

More about sildenafil

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.

Warnings for people with certain health conditions

It is not known if the vision loss was caused by the medication. If you experience a sudden loss of vision while you are sildenafil tables 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 took sildenafil for erectile dysfunction. Most, but not all, of these people had heart problems before taking sildenafil. Skip to main content An official website of the United States government Menu Search Search About Cancer Cancer Types Research Grants & Training News & Events About NCI Home Publications NCI Dictionaries NCI Drug Dictionary Publications Patient Education Publications PDQ® Fact Sheets NCI Dictionaries Dictionary of Cancer Terms Drug Dictionary Dictionary of Genetics Terms Blogs and Newsletters Health Communications Publications Reports You need to enable JavaScript to run this app.

What side effects can this medication cause?

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.

Articles connexes

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 is a treatment for erectile dysfunction.

What to avoid

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.

Product Name

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. It works by increasing blood flow to your penis.

Sildenafil works by inhibiting phosphodiesterase type 5 enzyme.
This inhibition increases cGMP levels in the body.
Elevated cGMP leads to smooth muscle relaxation.
It promotes vasodilation in the corpus cavernosum.
This process facilitates an erection during sexual activity.
The drug’s pharmacokinetics allow for rapid absorption.
Food intake can influence absorption rate.
It is effective in men of various ages.