Sildenafil 50 Mg Australia

Last Updated on 06/04/2026 ✔ Medically Reviewed by Dr. Arjun Srivastav

What Is Sildenafil 50 Mg?

Sildenafil 50 mg is a prescription drug for erectile dysfunction (ED) treatment in Australia. It is essentially a PDE5 inhibitor, and it provides help to males with impotence get an erection during sexual activity when they are sexually stimulated.

The drug is available in several other strengths, which are approved by the TGA, and therefore, there remains an advantage for dosage adjustment for the patients. Centurion Laboratories manufactures the formulation as Cenforce 50 mg, providing a cost-effective solution for ED management.

Composition and Appearance:

Active Ingredient: Sildenafil Citrate

Inactive Ingredient: ADC Phosphate and Microcrystalline Cellulose as binders, Croscarmellose sodium for fast tablet break-up.

Appearance: Uncoated, round, blue coloured with debossing of 50 on one side and a breaking notch on the other side.

Note: Sildenafil 50 mg Australia is a prescription-only medicine. It must be obtained and used solely under the supervision of a qualified healthcare professional.

Onset of action:

• Absorption: 30-60 minutes from intake.
• Peak Concentration: 30 to 120 minutes.
• Half time: 5 to 4 hours.
• Effectivity window: 4 to 6 hours.

How Long Does Sildenafil 50 Mg Take To Work?

Sildenafil 50 mg takes 60 minutes to start its action and give you a hard erection if you have the sexual desire in you. The time can be reduced by 15 minutes if you take the drug on an empty stomach. It can increase by another 60 minutes if taken with heavy meals.

• First 1 Hour: It is absorbed, and it starts its action.
• 1 hour to 4 hours: It gives strong erection.
• 4 hours to 12 hours: It still can give moderate and satisfying erection if you are sexually stimulated.
• 12 Hours to 24 hours: The erection still remains, although the drug is gradually eliminated from your system.

What Is Sildenafil 50 Mg Used For?

Primary Use: Erectile Dysfunction (ED):

The most frequent use of Sildenafil 50 mg is to treat Erectile Dysfunction. Keeping those muscles relaxed, it allows more blood to flow into the area when a person is sexually aroused, helping to achieve and maintain an erection.

Secondary Use: Pulmonary Arterial Hypertension (PAH):

Under different brand names, Sildenafil is used to treat a serious condition called Pulmonary Arterial Hypertension, which is high blood pressure in the arteries of the lungs.

How To Take Sildenafil 50 Mg For Best Results

• On Empty Stomach: Take sildenafil on an empty stomach for fast action. If you face nausea, take it with light meals, but never take bulky meals.
• You have the desire: You must have the sexual desire in you for the drug to act on you. Note that Sildenafil does not boost your sexual desire.
• Never take Alcohol: Alcohol must be totally prohibited with Sildenafil, as it causes serious level dizziness and liver toxicity.

Dosage of Sildenafil 50 Mg Australia

➯ Daily Dose

Never take more than one tablet within 24 hours. When you are taking the second dose of Sildenafil 50 mg, make sure that you have crossed 24 hours since you took the last dose.

Dose Timing: Take the dose 60 minutes before your sexual interaction. It will give you a harder erection, only when you are sexually aroused.

Food Preference: Empty stomach intake is preferable. However, in some cases, you can face nausea while taking the dose on an empty stomach. In such cases, take a light meal and then have the dose.

Age Barrier: Sildenafil is not prescribed in Australia to patients less than 18 years of age. The upper limit of age, according to guidelines of the WHO, is 64-65 years.

However, Cenforce 50 mg of Sildenafil is often prescribed to patients more than 50 years old after checking all other health aspects.

➯ Missed Dose

If you miss a dose, you can take it without delay, but keep in mind not to take the drug with heavy meals, as that delays the action.

➯ Overdose

Overdose is not preferable, as that can cause severe side effects like acute back pain, extreme dizziness, chest pain, loss of vision, and a fall in BP. Always keep two doses 24 hours apart.

Benefits of Sildenafil 50 mg Australia

Resolution from Impotence: Sildenafil is an approved drug and is one of the most preferred PDE5 inhibitors that gives relaxation from impotence and gives men a hard erection during intercourse.

Helps in Lowering Blood Pressure: The relaxation of blood vessels induced due to the release of cGMP helps in lowering blood pressure in males.

Brings back Confidence: It brings back the confidence in you, which you lost due to your impotence issue, and makes you compatible in bed.

Pleasure for Partners: Sildenafil provides 4 hours of a strong erection to males, helping them to ensure their own and their partner’s pleasure in their lives.

Stress Release: Impotence gives heavy stress to men in their personal lives. Sildenafil gives a solution for them to come out of the stress.

Important Safety Tips Before Using Sildenafil 50 Mg:

• You need Sexual Desire: Sildenafil does not promote sexual desire in you. It will give you an erection only when you have sexual desire in you.
• You must be an Adult: In Australia, Sildenafil is a Schedule IV drug, and it can be obtained only by men aged more than 18 years with a prescription.
• Never drive a car: Sildenafil promotes dizziness, and therefore, you can face vision issues while driving.
• Never take it with alcohol: Alcohol increases the dizziness and can cause severe issues for you. So, totally avoid alcohol.
• Never take it with a heavy meal: A heavy meal delays the action of sildenafil and hence, should be avoided.

Drug Interactions

Interacting Drugs:

• Nitrates: Never take Nitrates with Sildenafil. Nitrates and poppers are drugs used for the treatment of angina, a heart condition. When Sildenafil interacts with it, it can cause acute chest pain or a severe drop in Blood Pressure.

• Alpha-blockers and Blood Pressure Reducers: Drugs that cause a drop in BP, either directly or indirectly, can cause issues when they interact with Sildenafil. If you already take such a type of drug, consult with your doctor about the safety factors before taking the drug.

• CYP3A4 inhibitors: Calcium channel Blockers like Verapamil, some antibiotics like erythromycin, are moderate inhibitors of the enzyme CYP3A4, while antifungals like ketoconazole and Protease inhibitors like Ritonavir come to this category of enzyme inhibitors. All these drugs increase the amount of Sildenafil in the blood, causing side effects.

Interacting Diseases:

• Severe Heart Condition: Patients having serious heart conditions, such as angina, chest pain, or who have undergone heart surgeries, like angioplasty or bypass surgery, must not take Sildenafil.

• Liver impairment: Patients with renal and liver issues must consult with their doctors before taking Sildenafil as a daily dose. Your doctor might conduct some tests to check your renal and liver condition before prescribing you the Sildenafil 50 mg tablet.

• Retinal Issues: Since Sildenafil reduces blood pressure, it can affect your eyes or hearing. When you have existing issues with those, it can result in temporary loss of vision or hearing impairment.

Interaction with Food:

• Alcohol and Grapefruit: Both of them can increase light-headedness and dizziness in patients taking Sildenafil 50 mg Oral Tablet. Moreover, they can be toxic to the liver. Therefore, avoiding these two items while taking Sildenafil is the doctor’s choice.

• Heavy Meals: Prefer to take Sildenafil on an empty stomach. If you face nausea while doing so, try with a light meal. However, never take heavy meals as that delays absorption of the drug.

Sildenafil 50 Mg Vs 25 Mg – Which Strength Is Right For You?

• Benefits of taking Sildenafil 25 mg: Sildenafil 25 mg is the lowest dose of Sildenafil. You can take it at the start of your treatment, and if it works for you, you will remain safe from major side effects. At the same time, if you are taking any CYP3A4 inhibitor, 25mg will be increased to 50 mg and that will help you in your ED treatment.
• Benefits of taking Sildenafil 50mg: This is also a low dose, and critical side effects are not often seen with it unless you take some CYP3A4 inhibitor with the drug. Regular intake is possible with this dose too, as it is expelled from your system within 24 hours.

Side Effects of Sildenafil 50 mg

Common Side Effects

• Headache and light headedness: Extreme lowering in Blood Pressure can cause such side effects. You must take enough water and always avoid alcohol to avoid such issues.
• Nausea and Diarrhoea: If you face nausea with Sildenafil, try taking a light meal before taking the drug. If you face Diarrhoea, strictly avoid heavy or fat-included meals before taking the drug.
• Fall in BP: Sildenafil eases blood pressure by relaxing the blood vessels. If you take some other blood pressure reducing medicines, stop them or consult with your doctor about their dosage and timing.
• Back pain: Usually, this is a symptom of overdosing. Never take two Sildenafil tablets within 24 hours.

Rare and Serious Side Effects

• Chest Pain: If you have existing heart disease, you can face such issues. Never take nitrates or poppers with Sildenafil.
• Sensory Issues: Hearing Impairment or loss of vision, if faced, reach your doctor immediately.
• Renal Issues: In case you are taking some enzyme inhibitors or have some existing renal issues, take Sildenafil only after consultation with a doctor to avoid these issues.
• Priapism: In case you find a painful erection lasting more than 4 hours, immediately talk to your doctor regarding this. Delays can even lead to surgery.

Buying Sildenafil 50 Mg In Australia – What To Know

• Schedule IV Drug: Sildenafil is a Schedule IV drug in Australia and hence is to be obtained only with a prescription.
• Need to be 18+: You have to be an adult to purchase Sildenafil in Australia.
• Generics costs Lower: Compared to the branded Sildenafil tablet, Viagra, the price of the generic medicines is much lower.
• Beware of Counterfeit: In the generic market, there are many counterfeits providing drugs that are manufactured by someone who is not licensed under WHO-GMP. Buy your drugs from Australiarxmeds, which only stores generics from WHO-GMP approved manufacturers.

sildenafil 50 mg Precautions and Warnings

Driving: Sildenafil causes mild to acute dizziness, which is very unsafe for driving or working on accident-prone machines.

Food Preference: Heavy meals delay the onset of Sildenafil, while alcohol causes extreme dizziness, which is toxic to your liver.

Heart Condition: Sildenafil, when taken with a poor heart condition, can even cause a stroke or a heart attack. Avoid sildenafil 50 mg when you take heart disease medication regularly or when you have a history of undergoing angioplasty.

Interactive Drugs: If you are taking any of the drugs that interact with Sildenafil, first consult the same with your doctor, allow him to adjust your doses and drug timings, and then take Sildenafil.

Storage

• Temperature: Store Sildenafil 50 mg at room temperature. 25⁰C to 30⁰
• Avoid: Avoid moist, freezing, and direct exposure of the drug to sunlight.
• Safety: Keep the drug away from Kids and Pets.