While sildenafil improves some markers of disease in people with pulmonary arterial hypertension, it does not appear to affect the risk of death or serious side effects.

  • First-line treatment: Oral PDE5 inhibitors are the initial standard of care.
  • Second-line options: Include intraurethral suppositories or injectable medications.
  • Third-line treatments: Penile implants or vascular surgery for severe cases.
  • Step therapy: Often starts with least invasive options before progressing.
  • Combination therapy: Sometimes used, like testosterone with PDE5 inhibitors.
  • Treatment algorithm: Based on patient preference, contraindications, and cost.

Sildenafil and other PDE5 inhibitors are used off-label to alleviate vasospasm and treat severe ischemia and ulcers in fingers and toes for people with secondary Raynaud's phenomenon;[9][21] these drugs have moderate efficacy for reducing the frequency and duration of vasospastic episodes.

Self-care and prevention

[13][14] It is available as a generic medication. [15][16] In the United Kingdom, it is available as a pharmacy medicine. The primary indication of sildenafil is treatment of erectile dysfunction (inability to sustain a satisfactory erection to complete sexual intercourse). Its use is now one of the standard treatments for erectile dysfunction, including for males with diabetes mellitus. Tentative evidence suggests that sildenafil may help males who experience antidepressant-induced erectile dysfunction. [9] As of 2016,[update] their role more generally in Raynaud's was not clear. Sildenafil has shown some potential for improving exercise performance at high altitudes. However, its overall efficacy is not clear.

Drug Name Active Ingredient Typical Dose Onset Time Duration of Action Common Uses Side Effects
Viagra Sildenafil 50 mg 30-60 min 4-6 hours Erectile dysfunction Headache, flushing
Cialis Tadalafil 20 mg 30 min Up to 36 hours ED, BPH Muscle pain, nausea
Levitra Vardenafil 10 mg 25-60 min 4-5 hours ED Nasal congestion
Stendra (Avanafil) Avanafil 100 mg 15 min Up to 6 hours Rapid onset ED Dizziness

Sildenafil has been studied for high-altitude pulmonary edema (HAPE), tadacip 20 tablet but its use is currently not recommended for that indication.

Product Dosage Quantity + Bonus Price
Levitra Soft Tabs20mg120 + 8 Pills288.52€ 274.78€
Levitra Generic20mg360 + 10 Pills458.44€ 436.61€
Viagra Oral Jelly100mg220 + 18 Sachets562.28€ 535.50€
Cialis Black80mg180 + 10 Pills356.64€ 339.66€
Levitra Original20mg76 + 4 Pills344.39€ 327.99€
Viagra Original100mg4 Pills40.94€ 38.99€
Cialis Original20mg8 Pills61.70€ 58.76€
Apcalis SX Oral Jelly20mg50 + 6 Sachets146.39€ 139.42€
Cialis Super Active20mg10 Pills55.64€ 52.99€
Viagra Generic200mg30 + 2 Pills83.07€ 79.11€
Super Kamagra160 mg92 + 6 Pills478.75€ 455.95€
Kamagra Polo100mg272 + 12 Pills622.94€ 593.28€

In clinical trials, the most common adverse effects of sildenafil use included headache, flushing, indigestion, nasal congestion, and impaired vision, including photophobia and blurred vision.

  • Dietary supplements: Often marketed as "natural Viagra" but lack rigorous testing.
  • Common ingredients: L-arginine, ginseng, yohimbine, and DHEA are frequently used.
  • Efficacy evidence: Generally weak and inconsistent for most herbal supplements.
  • Safety concerns: Can interact with medications and have side effects.
  • Regulation: Less strict than pharmaceuticals, leading to quality control issues.
  • Doctor consultation: Essential before trying any supplement for ED.

[4] Some sildenafil users have complained of seeing everything tinted blue (cyanopsia).

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Common side effects include headaches, heartburn, and flushed skin. [8] Caution is advised in those with cardiovascular disease. [8] Rare but serious side effects include vision problems, hearing loss, and prolonged erection (priapism) that can lead to damage to the penis. [8] Sildenafil should not be taken by people on nitric oxide donors such as nitroglycerin, as this may result in a serious drop in blood pressure. Sildenafil acts by blocking phosphodiesterase 5 (PDE5), an enzyme that promotes breakdown of cGMP, which regulates blood flow in the penis.

What does Tadalafil look like?

[8] It requires sexual arousal to work, and does not by itself cause or increase sexual arousal. [8] It also results in dilation of the blood vessels in the lungs. Pfizer originally discovered the medication in 1989 while looking for a treatment for angina. [11] It was approved for medical use in the United States and in the European Union in 1998. [5][8][11][12] In 2023, it was the 151st most commonly prescribed medication in the United States, with more than 3 million prescriptions. [24] This cyanopsia can be explained because sildenafil, while selective for PDE5, does have some affinity for PDE6, which is the phosphodiesterase found in the retina.

Drug Absorption Time Peak Plasma Levels Bioavailability Metabolism Elimination Half-life
Sildenafil 30-120 min 1 hour 41% Liver (CYP3A4) ~4 hours
Tadalafil 30-120 min 2 hours 36% Liver (CYP3A4) ~17.5 hours
Vardenafil 30-60 min 1 hour 15% Liver (CYP3A4) ~4-5 hours
Avanafil 15-30 min 30 minutes 13% Liver (CYP3A4) ~6 hours

Patients thus taking the drug may experience colorvision abnormalities.

  • Advancements in Ed tablet technology aim to reduce side effects.
  • They are often prescribed after lifestyle modifications fail.
  • Ed tablets can be effective regardless of age, with proper guidance.
  • They are part of a comprehensive approach to sexual health.
  • Adherence to dosage instructions is crucial for safety.
  • Inform your doctor about all medications to avoid interactions.
  • Keep Ed tablets out of reach of children to prevent accidental ingestion.
  • Educating men about ED helps reduce stigma and promotes treatment seeking.

Some complained of blurriness and loss of peripheral vision.

5 ways to treat ED that eliminate the need to take a pill

Each sex pill offers a slightly different experience and benefits, from a longer duration of action to a reduced risk of side effects. If you’re considering ED medication and don’t know which pill is the best treatment for you, keep the following in mind: Sildenafil (Viagra) and vardenafil (Levitra) are short-acting. These “one-night” ED medications are both available as generics, making them affordable medications to try first. This is a good option if you prefer all-day relief from erectile dysfunction. Like sildenafil, it’s considered one of the best ED pills.

Is it safe to buy erectile dysfunction pills online?

If you’re looking for the best medicine for erectile dysfunction with fewer side effects, this one comes close. It kicks in fast and doesn’t cause as many adverse reactions as older ED pills, but it does cost more per tablet. Chewable ED meds are a fresh way to treat ED. They can be taken as needed or daily. Plus, they come in discreet packaging and are personalized to meet your exact needs.

Erectile dysfunction

We consider these drugs to be among the top ED pills, but there are many other ways to treat erectile dysfunction, depending on what’s causing it, including alprostadil injections, penile implants, and medication for low testosterone. Therapy for mental health issues may also help ED, as well as lifestyle changes to support sexual health, like following a healthy diet, exercising, and cutting back on alcohol. Above all, you’ll want to provide your healthcare provider with as much information as possible about your symptoms. And closely follow their medical advice to get the best results from any ED medication. When used right, ED pills can do more than just give you firmer erections — they can also boost your self-confidence in bed. In July 2005, the US Food and Drug Administration (FDA) updated labeling for tadalafil (Cialis), vardenafil (Levitra), and sildenafil (Viagra) to reflect a small number of post-marketing reports of sudden vision loss, while acknowledging that "...it is not possible to determine whether these oral medicines for erectile dysfunction were the cause of the loss of eyesight or whether the problem is related to other factors such as high blood pressure or diabetes, or to a combination of these problems.

On this page

He realized that the media could deliver essential health information to millions, surpassing the reach of one-on-one care in a clinical setting. Scuba diving, traveling, cinema, and perfume making Scuba diving, traveling, cinema, and perfume making Erectile dysfunction is a condition in which you have trouble getting or keeping an erection firm enough for satisfying sex. Erectile dysfunction affects as many as 30 million men in the United States. Premature ejaculation (PE) is a sexual dysfunction characterized by a short ejaculatory latency, a perceived lack of control about the timing of ejaculation, and distress and interpersonal difficulty related to ejaculating too quickly. Low testosterone or testosterone deficiency, also known as hypogonadism, is a condition in which patients develop symptoms such as low sex drive, erectile dysfunction (ED), and fatigue because the body doesn’t produce enough testosterone.

Reduce stress

Though many men don’t like to talk about it, ejaculation problems are very common. Some of the buy blue pill most common issues include premature, delayed, or retrograde ejaculation. Your pelvic floor is a lot like plumbing in your home: you never really think about it unless something goes wrong. When you think of male sexual dysfunction, concerns like erectile dysfunction (ED) or premature ejaculation (PE) probably come to mind first. But there’s another sex-related issue that’s more common in men than you might expect: difficulty orgasming.

Watch out for side effects

Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4][8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8] It can be taken orally (swallowed by mouth), intravenously (injection into a vein), or through the sublingual route (dissolved under the tongue). [8][10] Onset when taken orally is typically within twenty minutes and lasts for about two hours. "[25] A careful review of pooled data from clinical trials containing well documented information about the dose and duration of exposure to the drug for a large number of patients, yields no evidence for an increased risk of non-arteritic anterior ischemic optic neuropathy or other adverse ocular events associated with PDE5 inhibitor use. Rare but serious adverse effects found through postmarketing surveillance include prolonged erections, severe low blood pressure, myocardial infarction (heart attack), ventricular arrhythmias, stroke, increased intraocular pressure, and sudden hearing loss. [4] In October 2007, the FDA announced that the labeling for all PDE5 inhibitors, including sildenafil, required a more prominent warning of the potential risk of sudden hearing loss.

Addressing underlying health conditions and minimizing stress can also reduce symptoms of ED

Explore a range of FDA-approved medications for ED and premature ejaculation (PE) following a virtual consultation with a healthcare professional specializing in urology, who’ll determine if a prescription is appropriate. A comparison of the available phosphodiesterase-5 inhibitors in the treatment of erectile dysfunction: a focus on avanafil. Efficacy of vigora 200 mg avanafil 15 minutes after dosing in men with erectile dysfunction: a randomized, double-blind, placebo controlled study. Efficacy and safety of avanafil as compared with sildenafil in the treatment of erectile dysfunction: a randomized, double blind, multicenter clinical trial. Effect of sildenafil on erectile dysfunction and improvement in the quality of sexual life in China: a multi-center study.

5. Penile implant

Hims & Hers has strict sourcing guidelines to ensure our content is accurate and current. We rely on peer-reviewed studies, academic research institutions, and medical associations. We strive to use primary sources and refrain from using tertiary references. Doctor of Medicine - Ludwig-Maximilians-University, 2014 Doctor of Medicine - Ludwig-Maximilians-University, 2014 Board Certified Medical Affairs Specialist - Accreditation Council for Medical Affairs, 2024 Board Certified Medical Affairs Specialist - Accreditation Council for Medical Affairs, 2024 Dr. Gussone has contributed widely to consumer health news media, including NBC News TODAY and NBC Nightly News, and has written about his own weight loss journey for CNN.

If you were to talk to a doctor about sildenafil, what would you ask first?

Dr. Gussone has contributed widely to consumer health news media, including NBC News TODAY and NBC Nightly News, and has written about his own weight loss journey for CNN. Dr. Gussone discovered his passion for creating medical content and educating the public about health while working with CNN’s Dr. Sanjay Gupta. Care should be exercised by people who are also taking protease inhibitors for the treatment of HIV infection.

  • Future research: Gene therapy and stem cell treatments are under investigation.
  • New drug formulations: Faster-acting or longer-lasting PDE5 inhibitors in development.
  • Topical treatments: Gels or creams being studied for less systemic side effects.
  • Personalized medicine: Genetic testing to predict best drug and dosage.
  • Digital therapeutics: Apps and devices to complement traditional treatments.
  • Combination products: Drugs that treat ED and another condition simultaneously.

Protease inhibitors inhibit the metabolism of sildenafil, effectively multiplying the plasma levels of sildenafil, increasing the incidence and severity of side effects.