Silagra 100 mg Tablets (Sildenafil Citrate)

Silagra
Generic:
Sildenafil
Indications:
erectile dysfunction impotence
Analogs:
Viagra Brand Viagra Viagra Professional Viagra Super Active Extra Super Viagra Viagra Soft Kamagra Female Viagra Sildalis Silvitra Kamagra Polo Kamagra Effervescent Kamagra Super Malegra Fxt Malegra Fxt Plus Malegra Dxt Malegra Dxt Plus Super Viagra Penegra Kamagra Soft Kamagra Oral Jelly Kamagra Gold Kamagra Chewable Viagra Extra Dosage Nizagara Viagra Plus Cenforce Cenforce Professional Cenforce Soft Viagra Jelly Cenforce D Zenegra Viagra Sublingual Suhagra Caverta Lady Era Viagra Soft Flavoured Super P Force Super P Force Oral Jelly Red Viagra Viagra Vigour Eriacta Fildena Aurogra Sildigra
Silagra is an oral sildenafil citrate tablet supplied only in a 100 mg strength, giving one fixed, maximum-strength option for adult men managing erectile dysfunction. We offer six pack sizes containing 30 to 270 pills, so you can match the quantity to how often you expect to use it. As 100 mg is the maximum recommended dose rather than the usual starting dose, first-time users should check that this strength is suitable before ordering.
In stock: 16 packs
AdultsPregnancyAllergiesDiabetesBreastfeedingChildrenDriving

Dosages

Silagra 100 mg

Quantity Price per tablet You save Total price
30 £1.31 - £39.26
60 £0.91 £23.71 £54.82
90 £0.78 £47.41 £70.38
120 £0.71 £71.86 £85.19
180 £0.65 £119.27 £116.31
270 £0.60 £191.87 £161.49

Manufacturers

ApotexCipla LimitedPfizerPfizer Inc.

Payment & Delivery

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Delivery Times
Delivery MethodEstimated delivery
Express Free for orders over £222.24Estimated delivery to the UK: 4-7 days
Standard Free for orders over £148.16Estimated delivery to the UK: 14-21 days
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Brand Names

Also known as (by country):
CountryBrand Names
United Kingdom
Viagra
Australia
Viagra
Canada
Apo-Sildenafil Viagra
United States
Revatio Viagra

FAQ

Silagra 100 mg Tablets contain sildenafil and are used to treat erectile dysfunction in adult men. Sildenafil helps improve the ability to get and maintain an erection when there is sexual stimulation; it does not cause an erection without stimulation.

Description

Silagra is sold in a single strength: an oral tablet containing 100 mg sildenafil citrate. That fixed strength is the first thing worth weighing against alternatives. There is no 25 mg or 50 mg Silagra tablet in our current offer; every pill in every available pack is a 100 mg tablet. For a man who already knows that 100 mg sildenafil is suitable and works well for him, this provides a straightforward option. For someone starting PDE5 inhibitor treatment for the first time, or someone sensitive to standard doses, it means checking whether the fixed maximum strength is appropriate before choosing a pack size.

What Silagra Is and Where It Fits

Silagra is an oral tablet containing sildenafil citrate, the same active substance used in the original branded sildenafil medicine. It belongs to the phosphodiesterase type 5 (PDE5) inhibitor class and is indicated for erectile dysfunction in adult men. Each pill is a tablet for oral use containing 100 mg sildenafil, and our available packs contain 30, 60, 90, 120, 180, or 270 pills. Nothing about the dosage form, route, or strength changes across those pack sizes; only the quantity does. Keeping that identity fixed matters when comparing products, because a whole 100 mg tablet does not provide the same strength as a 25 mg or 50 mg tablet, even when the active ingredient is the same.

Who May Consider Silagra and What Decision Factors Matter?

Silagra may be considered by adult men with erectile dysfunction who are suitable candidates for a PDE5 inhibitor and for whom the 100 mg strength is appropriate. Sildenafil is commonly started at 50 mg when taken as needed, with adjustment according to response and tolerability; 100 mg is the maximum recommended dose. Several practical factors therefore matter when deciding whether this fixed-strength product is a suitable match:

  • Prior response to sildenafil: men who already tolerate and benefit from 100 mg sildenafil have a direct strength match. Those who have never taken sildenafil should seek professional guidance before starting with the maximum dose.
  • Sensitivity to side effects: anyone prone to headache, flushing, indigestion, visual disturbance, or dizziness at higher doses should consider whether a lower-strength sildenafil product would offer more flexibility.
  • Expected frequency of use: occasional use may suit a smaller pack, while a larger pack can reduce how often a repeat order is needed.
  • Interacting medicines or health conditions: cardiovascular disease, nitrate or riociguat use, low blood pressure, and certain other medicines can change whether sildenafil is appropriate at all, regardless of pack size.

How Does Sildenafil in Silagra Actually Work?

Sildenafil works by inhibiting PDE5, an enzyme that breaks down cyclic GMP in the smooth muscle of the penis. During sexual stimulation, nitric oxide release raises cyclic GMP levels, relaxing smooth muscle and increasing blood flow into erectile tissue. By blocking PDE5, sildenafil slows the breakdown of cyclic GMP, supporting the natural erectile response.

It does not create arousal or sexual desire on its own, and sexual stimulation is still required for it to help produce an erection. This mechanism is shared by sildenafil-containing products, so meaningful differences between them may include available strengths, formulation, manufacturer, pack quantity, and individual tolerability rather than a different basic mode of action.

Building a Routine: How to Take Silagra

Sildenafil tablets are typically taken around 30 to 60 minutes before anticipated sexual activity. They can sometimes be taken earlier, but the timing and response vary between individuals. A heavy or high-fat meal can delay absorption and may make the onset less predictable, while taking the tablet on an empty stomach or after a light meal generally allows faster absorption. Heavy alcohol use may also make it more difficult to achieve an erection and can increase dizziness or low blood pressure.

Sildenafil should not be taken more than once in a 24-hour period. Because the Silagra product we offer contains 100 mg in each tablet, it does not provide a lower whole-tablet strength for dose adjustment. Do not improvise a different dose unless a doctor or pharmacist has confirmed how the particular tablet should be used. Store the tablets at 25°C; excursions between 15°C and 30°C are permitted. Keep them in the original container and protect them from moisture and heat.

Pack Sizes and Choosing the Right Quantity

We offer Silagra 100 mg in six pack sizes. As every pack contains the same tablet strength, the practical choice is based on expected use and how much you want to order at one time:

  • 30 pills - the smallest available quantity for people who expect infrequent use or prefer to place a smaller initial order after confirming that the strength is suitable.
  • 60 pills - a modest step up for more regular use without selecting one of the largest quantities.
  • 90 or 120 pills - suitable for people who use sildenafil more regularly and prefer fewer repeat orders.
  • 180 or 270 pills - the largest available quantities, intended for people whose established use makes a longer supply practical.

The pack selected does not change the active ingredient, dosage form, route, or tablet strength. If you want to consider other treatment formats and strengths before deciding, you can browse our Erectile Dysfunction range.

What to Expect: Onset, Duration and Realistic Outcomes

Many men notice an effect within about 30 to 60 minutes of taking sildenafil. Its ability to support an erection commonly lasts for up to about four hours, although this is not a continuous erection and individual timing can vary with metabolism, food intake, alcohol, other medicines, and health conditions. Some people respond sooner or retain some effect for longer, but a predictable result cannot be guaranteed on every occasion.

Sildenafil supports the physical erectile response during sexual stimulation. Effectiveness may be reduced by a large fatty meal taken shortly beforehand, heavy alcohol use, anxiety, inadequate stimulation, or underlying conditions affecting blood flow, hormones, or nerve function. If it repeatedly fails despite correct use, taking extra tablets is not the answer; the dose, timing, diagnosis, and possible alternatives should instead be reviewed by a healthcare professional.

What Safety Priorities Should You Keep in Mind?

Many people tolerate sildenafil well, but common effects and urgent warning signs need to be distinguished. Mild effects often settle as the medicine wears off, while certain symptoms require prompt medical attention rather than watching and waiting.

Common Effects and Serious Warning Signs

Sildenafil must not be combined with nitrate medicines used for angina or chest pain, recreational nitrates such as amyl nitrite, or the soluble guanylate cyclase stimulator riociguat, because these combinations can cause a dangerous fall in blood pressure. It may also be unsuitable when sexual activity is inadvisable because of a serious cardiovascular condition. Professional assessment is particularly important after a recent heart attack or stroke, with severe heart or liver disease, very low blood pressure, certain inherited retinal disorders, or previous sudden vision loss associated with non-arteritic anterior ischaemic optic neuropathy.

An erection lasting longer than four hours is a medical emergency and needs urgent treatment. Sudden loss or marked reduction of vision or hearing also requires immediate medical attention. Because sildenafil can cause dizziness or visual disturbance, assess how it affects you before driving or operating machinery. Do not take another dose to overcome a weak or delayed response.

Interactions and Practical Precautions

A number of interactions are worth checking before starting Silagra, particularly if you take regular medicines:

  • Nitrates and nitric oxide donors - combining them with sildenafil is contraindicated because of the risk of severe hypotension.
  • Riociguat - this pulmonary hypertension medicine must not be combined with PDE5 inhibitors because the blood-pressure-lowering effects can be excessive.
  • Alpha-blockers - medicines used for blood pressure or prostate symptoms can compound the fall in blood pressure. Stable alpha-blocker therapy and a lower sildenafil starting dose may be required.
  • Other PDE5 inhibitors or erectile dysfunction medicines - combinations have not been established as safe and can increase adverse effects without proven additional benefit.
  • Strong CYP3A4 inhibitors - medicines such as ritonavir, some azole antifungals, and certain macrolide antibiotics can substantially increase sildenafil exposure and may require avoidance or a lower dose.
  • Grapefruit juice - may increase sildenafil levels and make side effects more likely.
  • Alcohol - heavy intake can reduce erectile performance and increase dizziness or low blood pressure.

People with significant liver or kidney impairment may need a lower starting dose because sildenafil can remain in the body for longer. Anyone with a recent cardiovascular event, several regular medicines, or uncertainty about an interaction should check suitability with a doctor or pharmacist rather than assuming that a 100 mg tablet is appropriate.

Silagra Compared With Viagra, Cialis and Levitra

Sildenafil is one of several PDE5 inhibitors used for erectile dysfunction, and practical differences in strength choice, duration, food effects, and individual tolerability often matter more than their shared treatment role. These comparisons place Silagra's fixed 100 mg sildenafil tablet alongside three established oral alternatives.

Silagra and Viagra Comparison

FeatureSilagraViagra
Active ingredientSildenafil citrateSildenafil citrate
Medication classPDE5 inhibitorPDE5 inhibitor
Primary indicationErectile dysfunction in adult menErectile dysfunction in adult men
Dosage formTabletTablet
Available strengths100 mg25 mg, 50 mg, 100 mg
Practical distinctionGeneric formulation containing sildenafilOriginal brand-name formulation of sildenafil
A side-by-side overview of two oral sildenafil treatments for erectile dysfunction.

Viagra contains the same active ingredient, sildenafil citrate, but sildenafil products are commonly available across several strengths. That can provide a titration path that our single-strength Silagra offer does not. The main practical distinction is dose flexibility rather than the basic mechanism of action.

Silagra and Cialis Comparison

FeatureSilagraCialis
Active ingredientSildenafil citrateTadalafil
Medication classPDE5 inhibitorPDE5 inhibitor
Primary indicationErectile dysfunction in adult menErectile dysfunction in adult men
Dosage formTabletTablet
Available strengths100 mg2.5 mg, 5 mg, 10 mg, 20 mg
Duration profileTypically active for 4 to 6 hoursLonger duration of action, lasting up to 36 hours
Key characteristics of two oral PDE5 inhibitors for erectile dysfunction.

Cialis contains tadalafil, a different PDE5 inhibitor with a substantially longer potential duration of action than sildenafil. Some men prefer the wider opportunity for sexual activity, while others prefer sildenafil's shorter and more contained period of effect. Tadalafil also has different dosing schedules, contraindications, and interaction considerations.

Silagra and Levitra Comparison

FeatureSilagraLevitra
Active ingredientSildenafil citrateVardenafil hydrochloride
Medication classPDE5 inhibitorPDE5 inhibitor
Primary indicationErectile dysfunction in adult menErectile dysfunction in adult men
Dosage formTabletTablet
Available strengths100 mg5 mg, 10 mg, 20 mg
Clinical considerationEstablished standard-duration PDE5 inhibitorAlternative PDE5 inhibitor with differing potency and tolerability
Comparing two distinct oral PDE5 inhibitors used for erectile dysfunction.

Levitra contains vardenafil, another PDE5 inhibitor with an onset broadly comparable to sildenafil but its own dosing increments, food considerations, and interaction profile. The choice between these medicines generally depends on duration, dose flexibility, health history, interactions, and individual response rather than one option being universally stronger or better.

If you are comparing sildenafil products specifically, we also stock Viagra Professional and Kamagra. Both use the same active ingredient but are presented differently from Silagra's fixed 100 mg tablet.

Do You Need a Prescription to Order Silagra in the UK?

Sildenafil citrate is authorised for human medicinal use in the UK, and the tablet form covered by the supplied product information is not classified as prescription-only. Separately, our ordering policy does not require you to upload a prescription before we accept a Silagra order. Regulatory classification and our checkout requirement do not determine whether the medicine is clinically suitable for a particular person.

If you are unsure whether sildenafil is appropriate, take other medicines, have a relevant health condition, or have not previously used the 100 mg dose, our pharmacist-supported team is available 24/7 through online chat or email. This is particularly important for first-time users because the only Silagra strength in our current offer is the maximum recommended as-needed sildenafil dose.

Ordering, Delivery and Receiving Your Silagra

We have offered medicines online since 2018, and our current range includes Silagra 100 mg in packs of 30, 60, 90, 120, 180, or 270 pills, with prices shown in pounds sterling. A few practical points can help make ordering and receiving your parcel straightforward:

  • Confirm that the fixed 100 mg strength is suitable, then choose the pack quantity that matches your established or expected pattern of use.
  • Review the selected quantity and delivery details carefully at checkout, including your name, address, and postcode.
  • Our support team, including pharmacist input, is available at any hour through online chat or email if you have questions before or after ordering.
  • We aim to pack and dispatch orders promptly and provide an estimated delivery window at checkout.
  • Orders are packed discreetly, and our team remains available if a delivery question arises.

Delivery timing can vary with the destination, courier service, and conditions outside our control. We therefore treat any displayed delivery window as an estimate rather than a guaranteed arrival time and keep customers updated if relevant information changes after dispatch. When the parcel arrives, check that the product name, 100 mg strength, and quantity match the order before use, and keep the tablets in their original container.

Making Your Decision: Is Silagra the Right Match?

Silagra's defining feature is its single 100 mg sildenafil strength. That can be straightforward when this maximum dose has already been found suitable, but it deserves careful consideration for anyone new to PDE5 inhibitors, using interacting medicines, or prone to dose-related adverse effects. A lower-strength sildenafil product may offer greater flexibility when dose adjustment is needed.

Beyond strength suitability, the decision comes down to how often you expect to use the medicine, which of the six pack quantities fits that pattern, and whether sildenafil's typical onset and duration suit your circumstances better than a longer-acting or differently dosed alternative. The mechanism, administration routine, safety priorities, interactions, and comparisons above provide a basis for a considered choice, while our pharmacist-supported team remains available if you need help understanding the options before ordering.

Medically reviewed by
Jennifer Bowles
Pharmacologist
Updated 5 September 2026

Product specifications

Active ingredientSildenafil
Drug classPhosphodiesterase type 5 (PDE5) inhibitor
Dosage formTablet
Available strengths100 mg
RouteOral
StorageStore at 25°C; excursions permitted between 15°C and 30°C. Keep in the original container, protected from moisture and heat.
ATC codeG04BE03

Regulatory information

Authorisation statusSildenafil citrate is officially licensed for human medicinal use in the United Kingdom.
Supply classificationA doctor's prescription is not required to purchase sildenafil citrate in tablet form, as it can be supplied directly through a registered pharmacy.

More information