Daily vs On-Demand: Choosing the Right ED Medication Routine

If you’re an Australian man dealing with erection issues, you’re far from alone. According to the Ten to Men study, around 26% of Australian men aged 18–64 reported erectile dysfunction (ED) at some point – that’s roughly one in four blokes.

Yet most of those men aren’t talking about it with their GP. Instead, they’re quietly Googling things like “daily Cialis vs Viagra”, “ED medication types”, or “can I get an ED script online?” at midnight.

This silence matters, because:

• Not all ED treatments work the same way.
• Some tablets are designed for daily use.
• Others are meant to be taken on-demand before sex.
• The routine you choose can affect your spontaneity, confidence, side effects, costs, and overall sexual health.

In this article, we’ll unpack the differences between daily and on‑demand ED medication routines – especially the common comparison of daily tadalafil (Cialis) vs on‑demand sildenafil (Viagra) – so you can have a more informed conversation with your doctor or telehealth provider.

As an Australian telehealth clinic, we speak to men every day about erection problems, sexual health for men, and how to choose between different erectile dysfunction treatment options, including our own telehealth ED consult and ED treatment plans.

This guide will:

• Explain what ED actually is (and isn’t).
• Outline the main ED medication types used in Australia.
• Compare daily vs on‑demand routines in plain language.
• Walk through lifestyle, relationship and health factors that affect the choice.
• Cover safety, side effects and avoiding dodgy online pills.
• Show how a telehealth ED consult with us at NextClinic typically works.

It’s written for a general Australian audience – whether you’re self‑diagnosing, researching options for a partner, or just wanting to understand your own sexual health better.

"Quick disclaimer: This article is general information only and not a substitute for individual medical advice. Always talk to a doctor or specialist before starting, stopping or changing any ED medication."

What exactly is ED – and why does it matter?

Erectile dysfunction is when you can’t get or keep an erection firm enough for satisfactory sex, often for at least three months or longer. It’s not about the occasional off night after a big week or too many beers – it’s a persistent difficulty that’s bothering you or affecting your relationship.

Common contributors include:

• Cardiovascular disease (narrowed blood vessels, high blood pressure)
• Diabetes
• High cholesterol
• Smoking and lack of exercise
• Obesity and metabolic syndrome
• Hormonal problems (e.g. low testosterone)
• Mental health issues (anxiety, depression, stress)
• Relationship conflict or performance anxiety
• Side effects from some medicines (for blood pressure, prostate, depression)
• Nerve damage (e.g. after prostate surgery)

Because erections rely on healthy blood vessels and nerves, ED can sometimes be one of the first warning signs of heart disease or other underlying conditions – years before a heart attack or stroke.

That’s why most Australian guidelines treat ED as more than just a bedroom problem. A good erectile dysfunction treatment plan usually includes:

• Checking for underlying physical causes
• Addressing lifestyle risk factors
• Considering mental health and relationship dynamics
• Then choosing treatments – including medication – that match your health and goals

ED medication types in Australia: the basics

In Australia, the main ED medication types are a group of drugs called PDE5 inhibitors (phosphodiesterase‑5 inhibitors). They include:

• Sildenafil – brand name Viagra and multiple generics
• Tadalafil – brand name Cialis and generics
• Vardenafil – brand name Levitra and generics
• Avanafil – brand name Spedra

All of these are prescription‑only medicines (Schedule 4) regulated by the Therapeutic Goods Administration (TGA). You can’t legally buy them over the counter here without a valid script from a doctor.

How PDE5 inhibitors work (in plain English)

When you’re sexually aroused, your body releases chemicals that:

1. Relax blood vessels in the penis
2. Let more blood flow in
3. Trap blood there long enough to create and maintain an erection

PDE5 inhibitors:

• Help these erection‑supporting chemicals stick around longer.
• Improve blood flow to the penis when you’re sexually stimulated.
• Don’t cause an automatic erection without arousal.
• Don’t “boost testosterone” or fix low libido by themselves.

Think of them as amplifiers – they make it easier for your body’s natural erection system to work, if the wiring (nerves, blood vessels, hormones, arousal) is reasonably intact.

Daily vs on‑demand: the two main routines

Most men in Australia use PDE5 inhibitors in one of two ways:

1. On‑demand – you take a tablet before sex, when you expect you’ll need it.
2. Daily – you take a lower‑dose tablet once every day, regardless of when you have sex.

You can use several medications in either way (depending on the dose and your doctor’s instructions), but in practice:

• On‑demand use is most common with sildenafil, vardenafil and avanafil, and also with higher‑dose tadalafil.
• Daily use is most common with low‑dose tadalafil (often referred to as “daily Cialis”), which has a longer half‑life and is specifically studied for once‑daily erectile dysfunction treatment.

This is what people usually mean when they ask about “daily Cialis vs Viagra”:

• “Viagra‑style” on‑demand:

Take a pill before sex → effects for a specific window of time.

• “Daily Cialis”:

Take a small dose every day → more steady background effect → potentially more spontaneity.

Let’s look at each routine separately.

The daily ED medication routine (usually tadalafil)

How daily tadalafil works as an ED treatment

Tadalafil has a longer half‑life than sildenafil and many other PDE5 inhibitors. In simple terms, it stays in your system longer, which makes it suitable for a continuous, low‑dose, once‑daily regimen.

Clinical studies have shown that men taking low‑dose tadalafil once daily:

• Have better erectile function scores compared with placebo.
• Report improvements in sexual confidence and satisfaction.
• Often feel less pressure to “time things perfectly” because medication levels are more stable.

Daily tadalafil is also sometimes used (under medical supervision) in men who have both ED and urinary symptoms from an enlarged prostate (benign prostatic hyperplasia, or BPH), because it can improve both erection quality and lower urinary tract symptoms in some patients.

Potential advantages of a daily routine

Many men who choose a daily routine describe benefits like:

• More spontaneity

You don’t have to pause and think, “Have I taken a pill yet?” or “Do I need to take something an hour before sex?” If you’re in a long‑term relationship or having sex several times a week, this feels more natural.

• Less performance anxiety around timing

Some men find that on‑demand dosing makes sex feel like an exam: “Did I take it early enough? Will it work in time?” Daily use can reduce that mental load.

• Coverage for “in‑between” sex

You might not know in advance whether sex will happen in the morning, afternoon or later that night. With a daily routine, you’re more likely to be covered regardless.

• Helpful if you have ED plus urinary symptoms

For men with both ED and BPH‑related urinary problems (e.g. getting up to wee at night, slow stream), a daily tadalafil regimen may help both, under specialist guidance.

Things to weigh up with daily tadalafil

A daily routine isn’t automatically “better”. There are trade‑offs:

• You’re taking a medicine every day

Even on days you’re not having sex. That means:

• More total exposure to side effects.
• Ongoing cost rather than pay‑per‑occasion.

• Side effects can feel more continuous

Common side effects include headache, flushing, blocked nose, indigestion and muscle or back pain. For most men they’re mild and settle, but a daily dose can make them feel more persistent if you’re unlucky.

• You still need to consider your heart and general health

If you have certain heart conditions, low blood pressure, or take medicines such as nitrates for chest pain, PDE5 inhibitors may be unsafe – daily or otherwise. This needs a careful conversation with your GP or telehealth doctor.

• It can feel psychologically like being “on a pill to be sexual”

Some men are fine with this; others prefer the idea of medication as an occasional helper rather than a daily part of life.

The on‑demand ED medication routine (Viagra‑style)

How on‑demand ED meds work

With an on‑demand routine, you only take medication:

• Before sex
• At a timing and dose recommended by your doctor for that specific drug.

Examples (not dosing advice, just patterns you might see prescribed):

• Sildenafil taken a set time before sex, with awareness that a heavy meal may delay absorption.
• Vardenafil or avanafil for faster onset in some men.
• Tadalafil at a higher “as‑needed” dose rather than the lower daily dose.

Your doctor chooses the drug and dose based on:

• Your age
• Other health conditions
• Other medicines you take
• How often you’re likely to have sex
• Previous response to any ED medication

Potential advantages of on‑demand ED treatment

On‑demand ED medication can be a great fit if:

• Sex is infrequent or fairly predictable

For example, if you and your partner tend to be intimate once a week or less, or mostly on weekends, it can feel more sensible to treat those occasions rather than take something every day.

• You’re wary of taking daily medication

Some men strongly prefer the idea of “only taking tablets when I actually need them”.

• You’re trying different ED medication types

On‑demand use lets your doctor see how you respond to sildenafil vs tadalafil vs other options, tweak the dose, or switch drug if side effects are bothersome.

• Cost is a major factor

If you’re having sex less often, on‑demand tablets may work out cheaper overall than a continuous daily dose.

Things to weigh up with on‑demand use

Common downsides include:

• Planning and timing

You might need to:

• Take the pill a set time before sex.
• Avoid large or high‑fat meals close to the dose (particularly with sildenafil).
• Remember to bring tablets when travelling or staying over.

• “Clock‑watching” during intimacy

Some men feel pressure: “We only have a couple of hours while the tablet is at full strength.” That can worsen performance anxiety for some.

• Less coverage for spontaneous or morning sex

If sex happens unexpectedly and you haven’t taken a tablet – or you took one many hours ago – the effect may be weaker.

• In reality, frequent users are almost on a ‘semi‑daily’ routine anyway

If you’re using an ED tablet most days, you’re still exposing your body to medication regularly – just with more peaks and troughs rather than a steady level.

Daily vs on‑demand: which suits which lifestyle?

There’s no one “correct” choice. But thinking about your real life, not just your ideal, can help.

Daily may suit you if:

• You’re in a long‑term relationship with fairly frequent or unpredictable sex (e.g. several times a week, often unplanned).
• You’d like sex to feel more spontaneous and natural, without having to schedule it.
• You find that worrying about timing tablets worsens your performance anxiety.
• You have ED plus urinary symptoms from an enlarged prostate and your doctor thinks tadalafil could help both.

On‑demand may suit you if:

• You’re single or dating, with sex that’s:
  • Less frequent, or
  • Often planned (e.g. date nights, weekends away).
• You or your partner feel more comfortable using medication only “as needed”.
• You’re still figuring out which ED medication type works best for you.
• Cost is a key concern and sex isn’t happening all that often.

Many men change their routine over time, for example:

• Starting with on‑demand sildenafil to see how they respond.
• Later trialling daily tadalafil once they’re confident ED meds are safe and effective for them.
• Moving back to on‑demand if lifestyle or relationship patterns shift.

The important thing is that any shift in routine is done with your doctor, not by self‑tweaking your dose or popping leftover tablets randomly.

Your health history matters more than your preference

It’s natural to focus on lifestyle questions like “daily vs on‑demand?” or “Cialis vs Viagra?”. But from a medical point of view, the first question is always:

"“Is a PDE5 inhibitor safe and appropriate for this person at all?”"

Australian resources such as Healthy Male and Healthdirect highlight several situations where ED tablets may be unsafe or need very careful specialist oversight, including:

• Use of nitrates for chest pain or heart disease (e.g. glyceryl trinitrate spray/tablets, isosorbide).
• Unstable or severe heart disease, where sex itself has been flagged as potentially unsafe by your cardiologist.
• Severely low blood pressure or certain serious arrhythmias.
• Recent heart attack or stroke, depending on timing and recovery.
• Certain rare eye conditions (e.g. specific types of retinitis pigmentosa or previous vision loss linked to ED drugs).
• Complex drug interactions (other blood pressure medicines, alpha‑blockers, some HIV meds, etc.).

That’s why a responsible telehealth ED consult or GP visit always asks about:

• Your medical history and surgeries.
• All medicines and supplements you’re taking.
• Your smoking, alcohol and recreational drug use.
• Any chest pain, breathlessness on exertion, or unexplained fainting.

At NextClinic, for example, our doctors follow a structured assessment for ED treatment – and sometimes they’ll recommend a heart check, blood tests or in‑person review before prescribing any tablets.

Side effects and safety: what Australians should know

All medicines can cause side effects, and ED tablets are no exception.

Common, usually mild side effects

These can include:

• Headache
• Facial flushing or feeling “hot”
• Blocked or runny nose
• Indigestion or reflux‑like discomfort
• Dizziness or light‑headedness
• Muscle aches or lower back pain (more common with tadalafil)

For most men, these are mild and short‑lived, especially once your doctor has helped you find the right drug and dose.

More serious warning signs

Call 000 or seek urgent medical care if you:

• Develop chest pain, severe shortness of breath, or feel like you may pass out during or after sex.
• Have a sudden loss of vision or hearing.
• Get a painful erection lasting more than four hours (priapism).

These events are rare, but they’re medical emergencies when they happen.

Why “cheap overseas ED meds” can be risky

It’s tempting to look for cut‑price ED tablets from overseas websites – especially if they:

• Don’t require a prescription.
• Offer “herbal” or “natural” products that claim Viagra‑like effects.
• Ship from unregulated sources.

Australian authorities, including the TGA, have repeatedly found counterfeit or illegally supplied ED medications containing incorrect doses, unexpected ingredients, or dangerous contaminants.

Risks include:

• Getting no active drug at all (wasted money, no effect).
• Getting too much active drug (higher risk of side effects and dangerous drops in blood pressure).
• Hidden drugs that clash with your other medications.
• Contaminants that can harm your liver, kidneys or heart.

Safer options include:

• Seeing your usual GP for an ED script.
• Using a reputable Australian telehealth service (like us) with AHPRA‑registered doctors.
• Filling your prescription at a licensed Australian chemist or a properly accredited .com.au online pharmacy that requires a valid script.

ED medicines and broader sexual health for men

It’s easy to see ED tablets as a quick fix. But the best erectile dysfunction treatment plans in Australia take a broader sexual health for men approach.

Evidence‑based resources like Healthy Male and Healthdirect emphasise that lifestyle changes can significantly improve both erections and long‑term health:

• Quit smoking – smoking damages blood vessels everywhere, including the penis.
• Move more – regular exercise improves blood flow, testosterone levels, mood and cardiovascular health.
• Lose excess weight – especially around the waist, where it’s linked to insulin resistance and heart disease.
• Drink less alcohol – regular heavy drinking is strongly associated with ED and other sexual problems; we’ve explored this in detail in our own articles on alcohol and erection problems.
• Prioritise sleep and stress management – chronic stress and poor sleep are brutal on libido and erection quality.

Psychological and relationship support can also be crucial:

• Sex therapy or counselling can help with performance anxiety, past negative experiences, porn‑related issues, and communication with your partner.
• Couples counselling can help when resentment, conflict or mismatched desire are part of the picture.

On the NextClinic blog, we’ve covered some of these angles in more depth:

• “Is It ED or Just Nerves? 3 Myths Stopping You From Performing” – unpacking common misunderstandings about anxiety vs physical ED.
• “Pills vs. Lifestyle: Which ED Treatment Actually Works Best?” – exploring how tablets and lifestyle changes can work together, rather than either/or.

ED tablets can be part of rebuilding confidence and pleasure – but they’re not the whole story.

How a telehealth ED consult works with NextClinic

If you’re considering ED medication but feel awkward about a face‑to‑face GP visit, a telehealth ED consult can be a discreet, clinically safe alternative.

Here’s how it typically works with us at NextClinic:

1. Private online questionnaire

You start by completing a secure, clinically designed questionnaire on our website.

We’ll ask about:

• Your erection difficulties (how long, how often, how severe).
• General medical history (heart, blood pressure, diabetes, prostate, surgeries).
• Current medicines, allergies and lifestyle factors (smoking, alcohol).
• Any red‑flag symptoms that might mean you need in‑person care first.

This helps our doctors decide whether ED medication might be safe and appropriate, and whether we can manage things via telehealth or need to recommend a physical exam or tests.

2. Doctor call – real telehealth, not just a form

If ED tablets may be suitable, an Australian‑registered doctor will call you – usually within about an hour during clinic hours – for a short but focused telehealth consultation.

They might:

• Clarify your symptoms and medical history.
• Ask about your relationship context and goals (daily vs on‑demand use, frequency of sex, any concerns).
• Explain the pros and cons of different ED medication types for your situation.
• Talk through safety – especially heart health and interactions with your current medicines.

If it’s not safe to prescribe, they’ll explain why and what next steps (e.g. in‑person GP, cardiology review) they recommend.

3. Tailored treatment plan and eScript

If ED medication is clinically appropriate, your doctor may:

• Recommend a specific PDE5 inhibitor (e.g. tadalafil, sildenafil or another agent).
• Suggest a daily or on‑demand routine based on your health, preferences and how often you’re likely to have sex.
• Provide an electronic prescription (eScript), sent straight to your mobile as a QR “token”.

You then choose:

• To fill it at your local chemist, or
• Use a partner pharmacy for discreet delivery (depending on the options you select in our ED Treatment Plan service).

We don’t sell the medicine ourselves – it’s dispensed by regulated Australian pharmacies.

Practical tips once you’re on ED medication

Whichever routine you and your doctor choose, a few practical steps can make your erectile dysfunction treatment more effective and less stressful.

1. Have realistic expectations

• Most men don’t get a “porn star erection” instantly every time – ED meds improve the chance and quality of erections, they’re not magic.
• It can take a few attempts on the same medication and dose to see how your body responds.
• Even with tablets, factors like fatigue, partner issues or alcohol can still get in the way.

2. Follow your doctor’s instructions closely

• Take the medication exactly as prescribed – don’t double up or change doses on your own.
• Ask specifically:
  • How far before sex to take it (for on‑demand routines).
  • Whether you should avoid large meals or heavy drinking around dose time.
  • What to do if it doesn’t seem to work.

3. Give feedback and be honest

If:

• The first medication doesn’t work, or
• Side effects are annoying, or
• The routine doesn’t fit your life (e.g. daily feels like overkill, or on‑demand makes you anxious),

tell your doctor. There is often room to:

• Adjust the dose.
• Switch to another ED medication type.
• Change from daily to on‑demand, or vice versa.
• Add in lifestyle, psychological or relationship support.

4. Involve your partner (when safe and comfortable)

Many men find that:

• Sharing that you’re trying medication reduces pressure, rather than increases it.
• Partners are often relieved you’re taking the issue seriously.
• Talking about timing, routine and preferences makes sex better for both of you.

Of course, in some situations (new relationships, safety concerns) you may choose to keep details more private – that’s your call.

5. Keep an eye on your overall health

Treat ED medication as a signal to check in on:

• Blood pressure
• Cholesterol
• Blood sugar and diabetes risk
• Heart health in general

ED can be your body’s way of saying, “Hey, something else needs attention too.”

When to seek urgent help or re‑review your treatment

Seek urgent help (call 000 or go to ED) if:

• You have chest pain, severe shortness of breath, or collapse during or after sex.
• You experience a sudden loss of vision or hearing after taking ED medication.
• You develop a painful erection lasting more than four hours.

Book a GP or telehealth review soon if:

• Your ED medication isn’t working at all despite following instructions.
• Side effects are persistent or troublesome.
• You notice new symptoms like:
  • Marked fatigue
  • Leg swelling or breathlessness on exertion
  • Decreased libido, low mood, or significant relationship strain
• You’ve been on the same ED treatment for a long time and your general health has changed (new diagnoses, new medicines, turning 50 and needing a more formal heart check, etc.).

A good rule of thumb: if something feels off, don’t guess – ask. Your GP or a telehealth ED consult can help you sort out what’s normal and what needs a deeper look.

Bringing it all together: daily vs on‑demand, for real life

Let’s recap the key ideas:

• ED is common in Australian men and often tied to broader health factors like cardiovascular disease, diabetes, lifestyle and mental health – not just “getting older”.
• The main ED medication types used here are PDE5 inhibitors (sildenafil, tadalafil, vardenafil, avanafil), all prescription‑only and TGA‑regulated.
• Daily tadalafil (“daily Cialis”) offers:
  • Steady background effect
  • More spontaneity and less timing stress
  • Potential benefits for some urinary symptoms – but also daily exposure, ongoing cost and possibly more persistent side effects.
• On‑demand “Viagra‑style” routines:
  • Are taken only when you expect to have sex
  • Can work well for infrequent or planned sex
  • Involve more timing and planning, and may feel less spontaneous.
• Your health history, heart risk, other medications and lifestyle are critical in deciding which (if any) ED medicine is right for you.
• ED tablets work best as part of a bigger plan that includes lifestyle changes, mental health support and honest communication with partners.
• A telehealth ED consult with an Australian‑registered doctor – like those at NextClinic – can help you explore daily vs on‑demand options in a discreet, evidence‑based way, and arrange a script if it’s safe and appropriate.

Your next step this week

Information is great – action is better.

We’d love you to pick one small, concrete step to take this week:

• If you’ve been putting off dealing with erection issues:

Book a GP appointment or a telehealth ED consult with us to talk it through properly.

• If you’re already on ED medication:

Ask yourself whether your current routine (daily or on‑demand) truly suits your life, and jot down any questions or side effects to raise with your doctor.

• If you’re not ready for tablets yet:

Choose one lifestyle tweak – less alcohol, more walking, better sleep – and commit to it for the next month.

• If a partner is involved:

Start a gentle conversation about how ED is affecting both of you, and what you’d each like to change.

Then, come back to this post and tell us in the comments:

• Which strategy you chose, and
• How it went for you over the week.

Your story might be exactly what another Australian bloke needs to read to feel less alone – and to finally get the help he deserves.

References

• The health of men in Australia - Australian Institute of Health and Welfare
• NextClinic: Online Medical Certificates, Instant Scripts and Telehealth Consults
• Erectile dysfunction - symptoms and treatment | healthdirect
• Erectile dysfunction: Causes, diagnosis & treatment | Healthy Male
• RACGP - Much more than prescribing a pill – Assessment and treatment of erectile dysfunction by the general practitioner
• Tadalafil once daily in the management of erectile dysfunction: patient and partner perspectives - PMC
• Tadalafil once daily in men with erectile dysfunction: an integrated analysis of data obtained from 1913 patients from six randomized, double-blind, placebo-controlled, clinical studies - PubMed
• The efficacy of PDE5 inhibitors alone or in combination with alpha-blockers for the treatment of erectile dysfunction and lower urinary tract symptoms due to benign prostatic hyperplasia: a systematic review and meta-analysis - Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews - NCBI Bookshelf
• Performance Online Services Pty Ltd fined $53,280 for alleged breaches concerning counterfeit erectile dysfunction medicines | Therapeutic Goods Administration (TGA)
• Can One Night of Drinking Cause ED? | NextClinic
• Is It ED or Just Nerves? 3 Myths Stopping You From Performing | NextClinic
• Pills vs. Lifestyle: Which ED Treatment Actually Works Best? | NextClinic

FAQs