SC 20 Pill: white, round, 7mm

But when it comes to erectile dysfunction (ED) medications, dose size can make a difference. Sildenafil citrate is a generic drug found in sildenafil citrate tablets for female several types of prescription meds. It’s most popularly known as the active ingredient in Viagra® and a treatment for ED, but sildenafil is also sold as Revatio®, a medication marketed for treating pulmonary arterial hypertension. Depending on your health needs, your dosage of Viagra might be 25 milligrams (mg), 50 mg, or 100 mg.

• Some sildenafil tablets are coated to improve taste and ease swallowing.
• Sildenafil should not be used if allergic to citrate compounds.
• Cost savings on generic sildenafil make it accessible to more users.
• The medication requires no special diet, but avoid fatty foods close to ingestion.
• Sildenafil may cause a modest drop in blood pressure temporarily.
• Do not share prescribed sildenafil with others; it is tailored to individual health.
• Inform your doctor of all medications and health conditions before use.
• Sildenafil may have different effects based on age and health status.
• The medication has been available in various formulations for convenience.
• The effectiveness may vary, and some users might need dose adjustments.
• Always keep sildenafil tablets out of reach of children and pets.

While sildenafil 20 mg tablets do exist, they’re FDA-approved for pulmonary arterial hypertension, not ED. Keep reading to find out if a sildenafil 20 mg dosage for erectile dysfunction exists, the most common sildenafil dosages, potential side effects, and more. Most people assume they know what Viagra does — it causes erections, right? While this is true, a few uses of sildenafil extend beyond improving sexual activity. Besides being sold as Viagra, sildenafil is the active ingredient in Revatio. As we mentioned above, this brand-name drug is approved by the U.S. Food and Drug Administration (FDA) for treating pulmonary hypertension, a type of high blood pressure affecting arteries in the lungs and the right side of the heart. Revatio can prevent this condition from worsening.

Side Effect	Incidence Rate	Severity	Commonality	Notes
Headache	High	Mild to moderate	Common	Usually resolves quickly
Flushing	Moderate	Mild	Common	Reddening of face and neck
Dizziness	Moderate	Mild to moderate	Common	Especially when standing up quickly
Vision Changes	Low	Mild to moderate	Less common	Blurred vision or light sensitivity

Sildenafil may also be used off-label to treat: Raynaud phenomenon (narrowing blood vessels in extremities such as fingers and toes) Raynaud phenomenon (narrowing blood vessels in extremities such as fingers and toes) Sildenafil has a variety of uses because it’s a phosphodiesterase type 5 (PDE5) inhibitor. PDE5 inhibitors are medications that improve blood flow to certain tissues by widening the blood vessels. They’re best known for increasing blood flow to the penis, allowing for erections upon sexual stimulation. At the moment, 20 mg Viagra does not exist — but you can get Revatio in a 20 mg tablet, and it can be prescribed off-label for ED.

Precaution/Contraindication	Description	Notes
Nitrate use	Do not take with nitrates for chest pain	Risk of severe hypotension
Heart conditions	Consult a doctor if you have cardiovascular issues	Risk of adverse cardiovascular events
Liver or kidney impairment	Reduced dosing may be necessary	Altered drug metabolism
Drug interactions	Combine with caution; may interact with other meds	Always consult a healthcare provider

In the same way that you can get generic Viagra as a 25 mg sildenafil tablet, you can also get generic Revatio as a 20 mg sildenafil tablet. It may be marked as a c89 pill or described as generic Viagra because these drugs both contain sildenafil.

• Sildenafil tablets are sometimes prescribed for conditions other than ED.
• The active ingredient aids in relaxing blood vessels in the body.
• White sildenafil tablets are often associated with certain pharmaceutical brands.
• Some countries have strict regulations on sildenafil distribution and sale.
• Sildenafil is typically not recommended for men with severe eyesight diseases.
• Adherence to prescribed guidelines optimizes treatment outcomes.
• The tablets are manufactured with quality control practices to ensure safety.
• Patients should avoid sudden changes in medication or dosage.
• Reactions to sildenafil can be immediate or delayed; monitor closely.
• Lifestyle factors like smoking can influence sildenafil’s effectiveness.
• Educate yourself on proper storage to maintain medication integrity.

The only chemical difference is the dosage.

• Sildenafil tablets are available in various generic versions.
• White sildenafil tablets are often easier to swallow due to their shape.
• The cost of sildenafil varies depending on the brand and dosage.
• Using sildenafil responsibly can improve quality of life for users.
• Not all erectile issues require medication; consult a doctor for underlying causes.
• Sildenafil is not suitable for women or children.
• The drug works by blocking PDE5, enhancing natural erections.
• Physical activity after taking sildenafil can enhance its effectiveness.
• Sildenafil is sometimes used off-label for pulmonary hypertension.
• Proper hydration may help reduce side effects like headaches.
• Patients should report any persistent or severe side effects to a healthcare professional.

If you’re taking a 20 mg generic Viagra white pill, chances are you’re actually taking generic Revatio.

• White sildenafil tablets are used to treat erectile dysfunction.
• They are often sold under brand names like Viagra.
• The standard dose for sildenafil is 50 mg.
• White sildenafil tablets contain the active ingredient sildenafil citrate.
• These tablets typically come in 25 mg, 50 mg, and 100 mg doses.
• They work by increasing blood flow to the penis.
• Sildenafil tablets should be taken about 30-60 minutes before activity.
• They are most effective when taken on an empty stomach.
• Common side effects include headache, flushing, and upset stomach.
• Always consult a healthcare provider before using sildenafil.
• Purchasing from reputable sources ensures quality and safety.

Viagra is available in dosages of 25 mg, 50 mg, and 100 mg. Currently, 100 mg sildenafil is the highest dosage approved by the FDA. Revatio is available in 20 mg tablets. There’s no one-size-fits-all solution when it comes to the ideal sildenafil dosage.

Images for SC 20

Ask your pharmacist any questions you have about refilling your prescription. 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. Be ready for sex whenever you're in the mood When it comes to penises, size isn’t everything. Your dosage will depend on your health needs and the reason you’re taking the medication. You might assume a higher dosage of sildenafil leads to a firmer erection or better sex, but this isn’t always the case.

Product	Dosage	Quantity + Bonus	Price
Kamagra Polo	100mg	20 Pills	83.56€ 79.58€	Buy
Viagra Generic	200mg	90 + 6 Pills	170.79€ 162.66€	Buy
Kamagra Oral Jelly	100mg	30 + 5 Sachets	136.20€ 129.71€	Buy
Viagra Generic	50mg	90 + 6 Pills	107.37€ 102.26€	Buy
Viagra Generic	50mg	20 Pills	40.52€ 38.59€	Buy
Kamagra Soft Tabs	100mg	180 + 8 Pills	425.45€ 405.19€	Buy
Viagra Generic	150mg	360 + 10 Pills	423.48€ 403.31€	Buy
Kamagra Oral Jelly	100mg	220 + 18 Sachets	662.24€ 630.70€	Buy
Viagra Generic	150mg	30 + 2 Pills	72.32€ 68.88€	Buy
Viagra Generic	200mg	30 + 2 Pills	83.07€ 79.11€	Buy
Kamagra	100mg	360 + 6 Pills	839.95€ 799.95€	Buy
Kamagra Oral Jelly	100mg	10 Sachets	54.55€ 51.95€	Buy
Viagra Generic	50mg	360 + 10 Pills	225.33€ 214.60€	Buy
Kamagra Oral Jelly	100mg	90 + 8 Sachets	303.56€ 289.10€	Buy
Kamagra Soft Tabs	100mg	84 + 4 Pills	233.05€ 221.95€	Buy
Viagra Generic	100mg	60 + 4 Pills	96.36€ 91.77€	Buy
Viagra Generic	200mg	120 + 8 Pills	204.80€ 195.05€	Buy

In fact, taking too much sildenafil can lead to some serious side effects, like a sudden decrease in blood pressure.

5.5 Hypotension when Co-administered with Alpha-blockers or Anti-hypertensives

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. 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.

Before taking sildenafil,

Dispose of any unused suspension after 60 days. 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.

Professional resources

Talk to your pharmacist about take-back programs in your community. 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. It’s best to stick with your prescribed dosage and follow the patient information leaflet your healthcare provider gives you.

12.1 Mechanism of Action

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. 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.

Sildenafil: the science

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. 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.

Patient resources

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. 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. If you find that a particular dose isn’t working as well as you had hoped, make another appointment with your provider and ask if you can revisit your dosage or explore other treatment options.

Pros and cons of Sildenafil (Viagra)

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. 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.

Are you currently using Sildenafil (Viagra, Revatio)?

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. 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.

Who should not take 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. 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 sildenafil chewable tablets taking your medication until you talk to your doctor. To get the best results from Viagra, it’s important to take the right dosage.

Storage Condition	Details	Notes
Temperature	Keep below 30°C (86°F)	Avoid excessive heat
Light	Keep away from direct sunlight	Protect from UV rays
Humidity	Store in dry place	Prevent moisture from degrading the tablet
Out of reach	Keep out of children's reach	Safety precaution