01Name fight, same citrate salt
Engines rank Fildena against Viagra as if they were rival enzymes. Pharmacy charts should not. Both are sildenafil citrate acting as PDE5 inhibitors.
Pfizer's originator trade name is Viagra. Fortune Healthcare's export trade name is Fildena. Kamagra, Cenforce, and a dozen other labels sit in the same INN bucket when the strip is honest.
Mateo Ruiz wants the foil on the desk. A logo photograph wastes a telehealth slot. The ingredient line and the milligram stamp save it.
Shop banners that promise a mystery coupon next to Fildena 100 mg are selling theater. This pulse names the molecule and refuses the fake discount. See the Fildena vault and the sildenafil vault.
Absolute bioavailability of sildenafil is about 41%. Terminal half-life is about four hours. Those numbers do not change when the foil is purple.
Maximum labeled frequency remains once per day. A weak first hour after paella is food or arousal, not a license for a second 100 mg.
02Alpha-blockers need a stable week first
Tamsulosin and other alpha-blockers plus sildenafil can stack blood pressure down. US counselling wants the alpha-blocker dose stable before PDE5 starts, and a conservative first combined night.
Do not start a new alpha-blocker and Fildena 100 mg on the same evening because a prostate shop tile sat next to an ED tile.
Alcohol on that first combined night is a third hypotensive. Skip it. Nitrates remain a hard ban regardless of alpha-blocker status.
Priapism, chest pain, and sudden monocular vision loss stay emergency rows. Brand chip does not change the number you call.
If 50 mg licensed sildenafil on a light stomach already drops you, 100 mg export is not the next experiment. Sit, hydrate, and call rather than stacking tadalafil.
03Once daily, not a second tablet
Label frequency is once per 24 hours. A weak first hour after a heavy meal is a food problem or an arousal problem, not a license for a second 100 mg.
Alpha-blockers need a stable dose and a conversation before PDE5 starts. Blood pressure can stack down. That row is the same for Fildena and Viagra.
Strong CYP3A4 inhibitors (ketoconazole, ritonavir-type boosters, some macrolides) raise sildenafil exposure. The usual answer is a lower starting milligram, not a louder coupon.
Name-map seal date is 21 August 2026. Source fixes go to [email protected]. Mateo will not answer a coupon code.
04Organic nitrates stay forbidden
Sildenafil potentiates the hypotensive effect of organic nitrates and nitric oxide donors in any form, regular or intermittent. That contraindication does not care whether the blister says Viagra or Fildena.
Riociguat, a guanylate cyclase stimulator, is a second hard stop. Poppers (alkyl nitrites) sit in the same danger family as prescription nitrates for this class.
After a 100 mg oral dose in healthy volunteers, plasma sildenafil at 24 hours is about 2 ng/mL versus a peak near 440 ng/mL. The label still says it is unknown when nitrates can be given safely after a dose. Do not plan a 'next-morning nitrate' experiment.
Age over 65, cirrhosis, creatinine clearance under 30 mL/min, and strong CYP3A4 inhibitors raise 24-hour levels several-fold. Those men need a clinician, not a larger export tablet.
05Bring the strip to telehealth, not a logo
A readable milligram line saves the slot. A purple-versus-blue argument wastes it.
Local licensed generic sildenafil is still the Viagra INN. It is not a third drug and it does not need a fake Fildena coupon.
Alpha-blocker nights need a stable background dose. Do not debut tamsulosin and 100 mg export on the same evening.
Juice that inhibits 3A4 is a milder story than a booster and still not a free mixer with 100 mg.
Kamagra jelly and novelty forms keep the nitrate ban if they contain sildenafil. Flavor does not cancel a contraindication.
06Shop banners invent discounts we skip
Export tiles love a struck-through Viagra price beside a tiny Fildena price. This desk will not reprint either number. They are not a US pharmacy fill and they are often fiction.
Counterfeit sildenafil travels those same carts. Missing inserts, misspelled INN, and 'bonus' hidden tadalafil are known grey-market patterns. Strength literacy is the next pulse: read Fildena 100 mg labels.
A licensed telehealth script plus a licensed pharmacy is the boring path. It is also the path that knows your nitrate list.
Kamagra oral jelly and other novelty forms still carry the nitrate ban if they contain sildenafil. Flavor does not cancel the contraindication.
07Strong 3A4 inhibitors raise the night
Ketoconazole, itraconazole, ritonavir-type boosters, and some macrolides raise sildenafil exposure. Erythromycin raised levels about 182% in classic interaction rows. Saquinavir about 210%. Those are not trivia.
Age over 65 adds about 40% AUC. Cirrhosis about 80%. Creatinine clearance under 30 mL/min about 100%. Stack those with a 100 mg export default and you have a hypotension night, not a bargain.
Cimetidine, a nonspecific CYP inhibitor, also increases levels. Show the full list. A Fildena banner will not.
Grapefruit is a milder 3A4 story than ritonavir and still not a free mixer with 100 mg. Ask before you treat juice as harmless.
The answer is usually a lower starting milligram from a licensed fill, not a louder fake coupon. See the strength strip before you swallow an extra tablet to 'overcome' a booster.
08Fortune Healthcare export versus Pfizer Viagra
Viagra remains an FDA-labeled originator product in the US with 25, 50, and 100 mg tablets. Fildena is widely listed on international shops as Fortune Healthcare sildenafil, often at 100 mg.
Regulatory status is not the same sentence as chemistry. An honest 100 mg sildenafil tablet should behave like other 100 mg sildenafil tablets. An unnamed carton from a banner is not automatically honest.
US men who want a traceable fill usually get a local generic sildenafil, not an export blister. That local generic is still the Viagra INN. It is not a third drug.
Qivana will not invent a Fildena-per-pill figure or a '80% off Viagra' line. Those numbers rot on shop tiles. Ask a licensed pharmacy for today's cash card if you need a real range.
| Literacy row | Viagra (typical US/EU) | Fildena (export listings) |
|---|---|---|
| INN | sildenafil | sildenafil |
| Salt | citrate | citrate when the insert is honest |
| US originator strengths | 25 / 50 / 100 mg | 100 mg common; other strengths exist |
| Coupon on this pulse | Not printed | Not invented |
09Sudden hearing drop is the other sensory stop
Sudden decrease or loss of hearing has been reported with PDE5 inhibitors, sometimes with tinnitus or dizziness. That is a stop-and-seek-care row, same as monocular vision loss.
Brand chip does not change the sentence. Fildena 100 mg and Viagra 100 mg share it because they share sildenafil.
Ordinary transient blue tint is a known class effect for some men and is not that emergency. Sudden black-out in one eye is.
Tell emergency staff the milligram and the clock time. A holographic sticker wastes their first question.
Do not take a second tablet to 'test if hearing comes back.' Do not drink to relax it. Do not add tadalafil.
10High-fat meal delays both peaks
Fasted Tmax for sildenafil sits between 30 and 120 minutes, median 60. A high-fat meal delays Tmax by a mean 60 minutes and reduces Cmax by a mean 29%. Absolute bioavailability is about 41%.
Fildena 100 mg does not rewrite that food row because the brand chip is purple or blue. Paella still shifts the peak. Tadalafil's food row is kinder; that is a different vault.
Terminal half-life is about four hours for sildenafil and its N-desmethyl metabolite. The night is not a 36-hour tadalafil tail. Do not stack a second PDE5 when the first 'felt late' after dinner.
Maximum labeled frequency for Viagra-class tablets is once per day. A fake coupon that ships 200 mg unmarked tabs does not create a second legal rung.
11Ask who made the blister
Fortune Healthcare is the usual Fildena maker on honest inserts. If the carton cannot say that, treat it as unlabeled sildenafil of unknown origin.
Pfizer Viagra has imprint and diamond-shape literacy in many markets. Generics do not owe you that diamond. They owe you the milligram and the INN.
Priapism lasting more than four hours, sudden vision loss in one eye, or chest pain after any PDE5 dose is emergency care. Brand name does not change the phone number.
Align the rest of the class on PDE5 align if you are choosing among tadalafil, sildenafil, and vardenafil rather than among two sildenafil stickers.
12Read the INN, skip the coupon theater
Fildena 100 mg versus Viagra is a name fight. Sildenafil, nitrates, fat delay, and once-daily frequency stay. We will not invent a discount.
Fill through a clinician. This magazine is not a pharmacy. See the disclaimer.
Sudden hearing drop or monocular vision loss stops every sildenafil name. Tell staff the milligram and the clock, not the hologram.