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If you would like to learn more about sildenafil citrate, please see the full prescription information here. You are encouraged to report negative side effects of prescription drugs to the FDA.

Online Sildenafil Prescription

Sildenafil Citrate* is a generic form of Viagra®, an oral medication FDA-approved for treating Erectile Dysfunction. Sildenafil Citrate (generic Viagra®)* works by blocking PDE5 (phosphodiesterase type 5), an enzyme in the body that breaks down the chemicals responsible for blood flow (and therefore erections). The result is increased blood flow to the penis to help a man get and keep an erection. Take as needed for erectile dysfunction, 30 minutes to 4 hours before sexual activity. This medication works best on an empty stomach and without the consumption of alcohol close to its use.

3. Consider health insurance

Follow your provider’s recommendation for best results. How long does it take for Sildenafil Citrate (generic Viagra®) to work? Sildenafil Citrate (generic Viagra®)* typically takes between 30 minutes to an hour to begin working and lasts up to 12-24 hours in the body. What are the most common side effects of Sildenafil Citrate (generic Viagra®)? The most common side effects include headache, flushing, indigestion, abnormal vision, nasal congestion, back pain, muscle pain, nausea, dizziness and rash. ** Tadalafil (2.5mg, 5mg, 10mg, & 20mg), Rx only, treats erectile dysfunction.

Tadalafil may cause side effects, including headache, indigestion, back pain, and muscle pain.

More about sildenafil

You can view detailed safety information for Sildenafil Citrate (generic Viagra®)* here. Reach out to your medical provider regarding any side effects that you experience. Are there potential Sildenafil Citrate (generic Viagra®) interactions with other medications? Sildenafil Citrate (generic Viagra®)* may interact with other medications such as nitrates (often prescribed for chest pain), guanylate cyclase stimulators (often prescribed for cardiovascular conditions and include Adempas (riociguat)), alpha-blockers (commonly used for prostate problems or high blood pressure), HIV protease inhibitors, certain oral antifungal drugs such as ketoconazole, specific antibiotics, or other drugs for high blood pressure or erectile dysfunction. Sildenafil* is also found in REVATIO®, used for treating pulmonary arterial hypertension (PAH). If you would like to learn more about tadalafil, please see the full prescription information here.

Sildenafil Coupons, Copay Cards and Rebates

Sildenafil Citrate (generic Viagra®)* should not be taken with REVATIO® or other PAH treatments containing sildenafil* or PDE5 inhibitors like Adcirca (tadalafil). Always consult your medical provider for safe medication use. Please tell your medical provider about any prescription or over-the-counter medications you are taking as Sildenafil Citrate (generic Viagra®)* may interact with other drugs. * Sildenafil Citrate tablets (25mg, 50mg, & 100mg), Rx only, treats erectile dysfunction. Sildenafil Citrate may cause side effects, including headache, flushing, and indigestion. The information provided on this page is not a substitute for professional medical advice, diagnosis, or treatment.

Sildenafil alternatives

Some products that may interact with this drug are: Sildenafil can cause a serious drop in your blood pressure when used with nitrates. A serious drop in blood pressure can lead to dizziness, fainting, and rarely heart attack or stroke. Do not use sildenafil with any of the following: certain drugs used to treat chest pain/angina (nitrates such as nitroglycerin, isosorbide) recreational drugs called "poppers" containing amyl or butyl nitrite If you are also taking an alpha blocker medication (such as doxazosin, tamsulosin) to treat an enlarged prostate/BPH or high blood pressure, your blood pressure may get too low which can lead to dizziness or fainting. Your doctor may start treatment with a lower dose of sildenafil to minimize your risk of low blood pressure. Other medications can affect the removal of sildenafil from your body, which may affect how sildenafil works.

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Examples include azole antifungals (such as itraconazole, ketoconazole), macrolide antibiotics (such as clarithromycin, erythromycin), mifepristone, rifampin, ritonavir, among others. Do not take this medication with any other product that contains sildenafil or other similar medications for erectile dysfunction-ED or pulmonary hypertension (such as tadalafil, vardenafil). If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222.

Using a mail-order pharmacy

Canada residents can call 1-844-764-7669. Symptoms of overdose may include: severe dizziness, fainting, painful/prolonged erection. Do not share this medication with others. Store at room temperature away from light and moisture. Keep all medications away from children and pets. You should not rely upon the content provided here for specific medical advice.

Who shouldn’t use Sildenafil tablets?

Take it 30 minutes to four hours prior to sexual activity. It’s most effective when taken on an empty stomach and with no alcohol in the mix. Be sure to follow your provider’s instructions for best results. SILDENAFIL (suhl • DEH • nuh • fl) CITRATE* is FDA-approved to treat erectile dysfunction. Elevate intimacy with expert-recommended ED relief Take when the moment’s right, not on a schedule Adaptable dosage and quantity options to meet your needs ‡ Since 2018, we've been your trusted source for hair loss expertise.

2. Ask for a 90-tablet supply

Now, we're thrilled to expand our dedication to your health and wellbeing with sexual health care. With our expert-recommended, clinically-trusted treatment plans for ED, you can count on the same convenient care and reliable results you’ve come to know from us. Affordable and clinically-proven generic treatment options Affordable and clinically-proven generic treatment options Online consultation to confirm your treatment plan is a good fit Online consultation to confirm your treatment plan is a good fit Regular follow-ups to ensure your treatment is working Regular follow-ups to ensure your treatment is working 24/7 messaging access with a licensed medical provider 24/7 messaging access with a licensed medical provider Shipped and delivered directly to your door Shipped and delivered directly to your door Share your preferences and medical history for a personalized, expert treatment recommendation. You have the flexibility to choose how frequently your treatment is delivered to your door. You’ll receive continuous support and guidance from your provider to help you attain your desired results.

Sildenafil Side Effects

Erectile dysfunction (ED) occurs when a man has trouble getting or maintaining an erection firm enough for sexual activity. This typically results from insufficient blood flow to the penis. However, there are many possible factors that can cause ED, including: physical factors such as cardiovascular conditions; diabetes and high blood pressure; buy sildenafil uk psychological factors such as stress, anxiety or depression; lifestyle choices such as smoking, excessive alcohol consumption and drug use; hormonal imbalances; neurological conditions; age; and medications. It is important that you share all of these details with your medical provider before requesting treatment. We prescribe Sildenafil Citrate (generic Viagra®)* and Tadalafil (generic Cialis®)**, which are FDA-approved and clinically proven to treat erectile dysfunction. If you have any questions or concerns, please talk to your doctor.

• Cost can be influenced by the presence of patents and trademarks.
• Older patents expire, increasing generic availability and lowering prices.
• Price differences are notable between developed and developing countries.
• Cost-effective options make treatment more accessible.

All product names, manufacturer or distributor names, logos, trademarks, and registered marks ("Product Marks") are the property of their owners and are for identification purposes only.

• Bulk purchasing can reduce sildenafil costs per pill.
• Insurance usually does not cover sildenafil unless prescribed for certain conditions.
• Discount programs and coupons can lower the overall price.
• Local price variations depend on pharmacy policies and region.

Product Marks do not imply any affiliation, endorsement, connection, or sponsorship by their owner(s).

• Research studies show significant price disparities worldwide.
• Real-time price tracking can identify discounts.
• Some pharmacies bundle sildenafil with other medications.
• Price transparency is increasing online for better consumer choices.

The latest wholesale acquisition cost for Sildenafil (NDC 70748-132-06) is $0.11346 per EA.

This benchmark price is based on the National Average Drug Acquisition Cost (NADAC) and has been effective since Oct 22, 2025.

What is Sildenafil Citrate?

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company. HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you.

Jennifer Liang, PharmD

This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs. Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider. The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional.

Intravenous Solution

You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment. Please use a modern browser like Chrome, Firefox, or Edge to access this app. Get a recommendation tailored for your needs Sildenafil Citrate* is an oral medication that’s FDA-approved for treating erectile dysfunction (ED). Take as needed to boost your ability to achieve and maintain an erection.† This treatment requires a free one-time online consultation with a Keeps medical provider. Sildenafil Citrate* blocks the enzyme PDE5, improving blood flow when (and where) it matters mostMore blood flow to the penis makes it easier to get and stay hard when aroused Sildenafil Citrate* blocks the enzyme PDE5, improving blood flow when (and where) it matters most More blood flow to the penis makes it easier to get and stay hard when aroused SILDENAFIL (suhl • DEH • nuh • fl) CITRATE* is FDA-approved to treat erectile dysfunction. As a provided by Lupin Pharmaceuticals, Inc., this medication is distributed in a 30 TABLET, FILM COATED in 1 BOTTLE configuration.

• Educational campaigns highlight the importance of safe pricing.
• Many countries regulate price caps for prescription drugs.
• Government programs may subsidize sildenafil costs.
• Price analysis can guide insurance coverage decisions.