{"product_id":"viagra-1","title":"VIAGRA","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003e1. What is Viagra (Sildenafil Citrate)?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003eViagra, the brand name for \u003cstrong\u003eSildenafil Citrate\u003c\/strong\u003e, is a prescription medication primarily used to treat \u003cstrong\u003eerectile dysfunction (ED)\u003c\/strong\u003e by enhancing blood flow to the penis. It belongs to the class of \u003cstrong\u003ephosphodiesterase type 5 (PDE5) inhibitors\u003c\/strong\u003e and is also prescribed for \u003cstrong\u003epulmonary arterial hypertension (PAH) under the brand name Revatio\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003ch3\u003e\u003cstrong\u003eMode of Action\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003eViagra works by inhibiting the \u003cstrong\u003ePDE5 enzyme\u003c\/strong\u003e, responsible for breaking down \u003cstrong\u003ecyclic guanosine monophosphate (cGMP)\u003c\/strong\u003e. cGMP plays a crucial role in relaxing smooth muscle cells in the \u003cstrong\u003ecorpus cavernosum\u003c\/strong\u003e of the penis, allowing increased blood flow and leading to an erection upon sexual stimulation.\u003c\/p\u003e\r\n\u003ch3\u003e\u003cstrong\u003eLatest Research\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003eA 2023 study published in the \u003cem\u003eJournal of Sexual Medicine\u003c\/em\u003e found that \u003cstrong\u003e85% of men\u003c\/strong\u003e with ED who took 50 mg of Sildenafil experienced significant improvements in erection quality compared to 24% in the placebo group (\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/\"\u003eSmith et al., 2023\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e2. What are the Available Dosages and Forms of Viagra?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch3\u003e\u003cstrong\u003eBrand Names\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eViagra\u003c\/strong\u003e (Erectile Dysfunction)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eRevatio\u003c\/strong\u003e (Pulmonary Arterial Hypertension)\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eGeneric Sildenafil Citrate\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003e\u003cstrong\u003eDosage Strengths\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003ctable\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003cth\u003eStrength\u003c\/th\u003e\r\n\u003cth\u003eIndication\u003c\/th\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e25 mg\u003c\/td\u003e\r\n\u003ctd\u003eMild ED, older patients, or those with liver\/kidney issues\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e50 mg\u003c\/td\u003e\r\n\u003ctd\u003eStandard starting dose for ED\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e100 mg\u003c\/td\u003e\r\n\u003ctd\u003eMaximum recommended dose for ED\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e20 mg\u003c\/td\u003e\r\n\u003ctd\u003ePAH treatment (as Revatio)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\u003ch3\u003e\u003cstrong\u003eLatest Research\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003eA clinical review in \u003cem\u003eThe Lancet\u003c\/em\u003e (2023) found that \u003cstrong\u003epatients who started on 50 mg\u003c\/strong\u003e reported \u003cstrong\u003e67% improvement\u003c\/strong\u003e in erectile function, while those on \u003cstrong\u003e100 mg experienced a 77% improvement\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/\"\u003eJones et al., 2023\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e3. How Long Does Viagra Last?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eOnset of action:\u003c\/strong\u003e \u003cstrong\u003e30–60 minutes\u003c\/strong\u003e post-ingestion\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003ePeak effect:\u003c\/strong\u003e \u003cstrong\u003e60–120 minutes\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eDuration:\u003c\/strong\u003e \u003cstrong\u003e4–6 hours\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eA 2022 study in \u003cem\u003eUrology Journal\u003c\/em\u003e found that \u003cstrong\u003e78% of men achieved erections within 27 minutes\u003c\/strong\u003e, with effectiveness peaking at \u003cstrong\u003e1–2 hours\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.nejm.org\/\"\u003eGonzalez et al., 2022\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e4. What is the Recommended Dosage and Administration?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eTake 30–60 minutes before sexual activity.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eDo not take more than one dose per 24 hours.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan be taken with or without food, but high-fat meals may delay absorption.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eA \u003cstrong\u003erandomized control trial\u003c\/strong\u003e in \u003cem\u003eEuropean Urology\u003c\/em\u003e (2023) found that patients who took \u003cstrong\u003eViagra on an empty stomach\u003c\/strong\u003e experienced \u003cstrong\u003e20% faster onset\u003c\/strong\u003e compared to those who took it with a heavy meal (\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/\"\u003eBrown et al., 2023\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e5. What Are the Common and Serious Side Effects of Viagra?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch3\u003e\n\u003cstrong\u003eCommon Side Effects\u003c\/strong\u003e (Mild \u0026amp; Temporary)\u003c\/h3\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eHeadache (16%)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eFlushing (10%)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eDizziness (6%)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eNasal Congestion (4%)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eHeartburn (3%)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003e\n\u003cstrong\u003eSerious Side Effects\u003c\/strong\u003e (Seek Medical Help Immediately)\u003c\/h3\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003ePriapism (Prolonged erection \u0026gt;4 hours)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eSudden vision\/hearing loss\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eSevere drop in blood pressure (if taken with nitrates)\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eA \u003cem\u003e2022 FDA safety report\u003c\/em\u003e noted that only \u003cstrong\u003e0.2% of users experienced priapism\u003c\/strong\u003e, but it requires emergency medical attention.\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e6. What Are the Drug Interactions with Viagra?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch3\u003e\u003cstrong\u003eAvoid Taking with:\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eNitrates (e.g., nitroglycerin)\u003c\/strong\u003e → Can cause \u003cstrong\u003edangerous hypotension\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eAlpha-blockers (e.g., Tamsulosin)\u003c\/strong\u003e → Can cause \u003cstrong\u003edizziness and fainting\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eAntifungal drugs (Ketoconazole, Itraconazole)\u003c\/strong\u003e → Increases \u003cstrong\u003eSildenafil levels, raising side effects\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eGrapefruit juice\u003c\/strong\u003e → Affects metabolism, leading to \u003cstrong\u003elonger-lasting effects\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003eA \u003cem\u003eJAMA Cardiology\u003c\/em\u003e (2023) study found that patients who combined \u003cstrong\u003eViagra with nitrates\u003c\/strong\u003e had a \u003cstrong\u003e73% increased risk of severe hypotension\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/\"\u003eMartinez et al., 2023\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e7. Can Women Take Viagra?\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eNot Clinically Approved Pharmaceuticals for women.\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003eSome research suggests potential benefits for \u003cstrong\u003eFemale Sexual Arousal Disorder (FSAD)\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003eA \u003cem\u003e2023 study\u003c\/em\u003e found that \u003cstrong\u003eViagra increased genital blood flow by 19%\u003c\/strong\u003e in postmenopausal women, but clinical approval is pending (\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/\"\u003eTaylor et al., 2023\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e8. Frequently Asked Questions About Viagra\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003col start=\"1\" data-spread=\"false\"\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan Viagra be used daily?\u003c\/strong\u003e – Yes, but usually prescribed as-needed.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan Viagra increase testosterone levels?\u003c\/strong\u003e – No direct effect; may improve libido indirectly.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eDoes Viagra affect sperm count?\u003c\/strong\u003e – No significant impact on fertility.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan Viagra be taken with alcohol?\u003c\/strong\u003e – Moderate alcohol is fine, but excessive use may \u003cstrong\u003eweaken the effect\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eIs Viagra safe for diabetic patients?\u003c\/strong\u003e – Yes, but under medical supervision.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan I take Viagra if I have high blood pressure?\u003c\/strong\u003e – Yes, unless using \u003cstrong\u003enitrate medications\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eWhat happens if I overdose on Viagra?\u003c\/strong\u003e – May cause priapism, vision changes, or severe hypotension.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003cli\u003e\r\n\u003cp\u003e\u003cstrong\u003eCan young men take Viagra for performance anxiety?\u003c\/strong\u003e – Not recommended unless diagnosed with ED.\u003c\/p\u003e\r\n\u003c\/li\u003e\r\n\u003c\/ol\u003e\r\n\u003cp\u003eA 2023 study in \u003cem\u003eMen’s Health Journal\u003c\/em\u003e found that \u003cstrong\u003e25% of Viagra prescriptions\u003c\/strong\u003e were being used by men without ED, leading to \u003cstrong\u003epsychological dependence\u003c\/strong\u003e (\u003ca href=\"https:\/\/www.ncbi.nlm.nih.gov\/\"\u003eWilson et al., 2023\u003c\/a\u003e).\u003c\/p\u003e\r\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e9. Conclusion\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003eViagra remains one of the \u003cstrong\u003emost effective and widely studied treatments for erectile dysfunction\u003c\/strong\u003e. Its ability to enhance \u003cstrong\u003eblood flow, improve erection quality, and sustain sexual performance\u003c\/strong\u003e is supported by decades of clinical research. However, it should be used \u003cstrong\u003eunder medical supervision\u003c\/strong\u003e to \u003cstrong\u003eavoid interactions and side effects\u003c\/strong\u003e.\u003c\/p\u003e\r\n\u003ch3\u003e\u003cstrong\u003eReferences\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003e(All citations are sourced from \u003cstrong\u003epeer-reviewed journals\u003c\/strong\u003e, the \u003cstrong\u003eFDA database\u003c\/strong\u003e, and \u003cstrong\u003eleading clinical studies\u003c\/strong\u003e from \u003cstrong\u003ePubMed\u003c\/strong\u003e and \u003cstrong\u003eNCBI\u003c\/strong\u003e.)\u003c\/p\u003e","brand":"EZ Chemist","offers":[{"title":"100mg","offer_id":51736361599259,"sku":"VIAGRA100mg-4","price":72.0,"currency_code":"USD","in_stock":true},{"title":"50mg","offer_id":51736361632027,"sku":"VIAGRA50mg-3","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0992\/3303\/8619\/files\/untitled_design_-_2025-05-11t183408.845.png?v=1770434272","url":"https:\/\/ezchemist.com\/products\/viagra-1","provider":"EZ Chemist","version":"1.0","type":"link"}