GENERIC VIAGRA

GENERIC VIAGRA (Sildenafil Citrate 200/150/130/120/100/50/25 mg)

Summary
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Brand Name
GENERIC VIAGRA
Product Name
Sildenafil Citrate
Price
USD 0.27
Product Availability
Available in Stock
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IS THERE AN APPROVED VIAGRA GENERIC?

There exists an approved generic version of sildenafil (popularized under the marketing name of Viagra). This does not imply economical accessibility automatically; arguably, there are patent and exclusivity rules at play that need to be considered. This said, the list below will give you an idea of what products are generically equivalent to Viagra (every item on the list below is FDA-approved):

sildenafil citrate tablet;oral

  • Manufacturer: AJANTA PHARMA LTD
    Approval date: October 12, 2018
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: AMNEAL PHARMS NY
    Approval date: June 27, 2018
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: AUROBINDO PHARMA LTD
    Approval date: June 11, 2018
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: HETERO LABS LTD V
    Approval date: June 11, 2018
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: LUPIN LTD
    Approval date: March 22, 2019
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: MYLAN
    Approval date: March 25, 2019
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: RUBICON
    Approval date: June 11, 2018
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: TEVA
    Approval date: March 9, 2016
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]
  • Manufacturer: TORRENT
    Approval date: June 11, 2018
    Strength(s): EQ 25MG BASE [AB], EQ 50MG BASE [AB], EQ 100MG BASE [AB]

Important: There is always a risk present of purchasing a counterfeit product under the guise of generic Levitra. Approach the choice of pharmacy responsibly, checking its credibility with all the seriousness. Stay wary of rogue e-drugstores that dispense unauthorized generic versions of vardenafil. It is always a safe solution to run the products you are considering for buying by your attending physician or pharmacist you trust. 

Sildenafil-Associated Patents

A diverse variety of patents can be applied for with the U.S. Patent and Trademark Office during any moment in the drug life cycle.

  • Pyrazolopyrimidinones for the treatment of impotence
    Patent 6,469,012
    Issued: October 22, 2002
    Inventor(s): Peter; Ellis & Nicholas Kenneth; Terrett
    Assignee(s): Pfizer Inc

The use of a compound of formula (I) wherein R1 is H; C1-C3 alkyl; C1-C3 perfluoroalkyl; or C3-C5 cycloalkyl; R2 is H; optionally substituted C1-C6 alkyl; C1-C3 perfluoroalkyl; or C3-C6 cycloalkyl; R3 is optionally substituted C1-C6 alkyl; C1-C6 perfluoroalkyl; C3-C5 cycloalkyl; C3-C6 alkenyl; or C3-C6 alkynyl; R4 is optionally substituted C1-C4 alkyl, C2-C4 alkenyl, C2-C4 alkanoyl, (hydroxy)C2-C4 alkyl or (C2-C3 alkoxy)C1-C2 alkyl; CONR5R6; CO2R7; halo; NR5R6; NHSO2NR5R6; NHSO2R8; SO2NR9R10; or phenyl, pyridyl, pyrimidinyl, imidazolyl, oxazolyl, thiazolyl, thienyl or triazolyl any of which is optionally substituted with methyl; R5 and R6 are each independently H or C1-C4 alkyl, or together with the nitrogen atom to which they are attached form an optionally substituted pyrrolidinyl, piperidino, morpholino, 4-N(R11)-piperazinyl or imidazolyl group; R7 is H or C1-C4 alkyl; R8 is optionally substituted C1-C3 alkyl; R9 and R10 together with the nitrogen atom to which they are attached form an optionally substituted pyrrolidinyl, piperidino, morpholino or 4-N(R12)-piperazinyl group; R11 is H; optionally substituted C1-C3 alkyl; (hydroxy)C2-C3 alkyl; or C1-C4 alkanoyl; R12 is H; optionally substituted C1-C6 alkyl; CONR13R14; CSNR13R14; or C(NH)NR13R14; and R?13? and R14 are each independently H; C1-C4 alkyl; or substituted C2-C4 alkyl; or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition containing either entity, for the manufacture of a medicament for the curative or prophylactic treatment of erectile dysfunction in a male animal, including man; a pharmaceutical composition for said treatment; and a method of said treatment of said male animal with said pharmaceutical composition or with said either entity.

Date for patent expiry:

o          10/22/2019

Patent application: ERECTILE ENHANCEMENT

o          04/22/2020

Not applied in pediatrics

GENERIC VIAGRA: TOP FACTS WORTHY OF YOUR ATTENTION

Sildenafil citrate, a substance that were destined to become one of the most recognizable drugs in the history of pharmacology under the brand name of Viagra, was approved for the treatment of erectile dysfunction (ED) back in 1998. The substance displayed excellent efficacy and safety of use over more than two decades of its patient-years, with its only significant drawback being the prohibitive price. A few years ago, the patent protection for Viagra held by its developer company Pfizer expired in Europe (2012) and partly in the U.S. (2017), which resulted in economically available generic Viagra pills flooding the market. This survey focuses on essential bits of information and popular questions about generic Viagra.

WHAT IS GENERIC VIAGRA?

Sildenafil is a generic name for the active substance used in Viagra pills. The molecule was developed in the early 90s as a result of a research for a drug against pulmonary arterial hypertension (PAH). A stark secondary event of restorative effect on erectile function was soon observed in the course of the trials, and by 1998 Viagra as we know it today received its FDA approval as the first oral medication for erectile difficulty.

A drug produced by a non-developer company is called generic, a term deriving from the generic name of generic substance which is always identical to that used in the original drug. Generic manufacturing of sildenafil became legal as of 2012, with dozens of companies competing for acquisition of patent for production. The most economically available pills of generic Viagra are currently produced by Indian pharmaceutical companies with such resonant names in the industry as Ajanta Pharma, Cipla Ltd., Ranbaxy Laboratories, and others.

Generic Viagra is a full analog of the brand drug produced by any company that is not the original developer. A number of solid economical rationales behind the price formation for generically manufactured drugs brings the cost for the generic version of the pill up to 90% lower as compared to the brand-name drug.

Generic Viagra safety and efficacy are identical to those of the brand drug, provided that the pill is supplied by a reliable manufacturer. It is a telltale fact that Pfizer, the original developed of Viagra, is also engaged in generic production of sildenafil as a way of retaining the potential revenues from generic Viagra sales.

HOW DOES GENERIC VIAGRA WORK?

Generic Viagra is the first representative of its pharmacological class, which is inhibitors of phosphodiesterase type 5 (PDE5i). Sildenafil is a powerful vasodilator – a substance promoting relaxation of blood vessel walls and consequential smooth muscle fiber relaxation. As PDE5 enzyme is predominantly found in the erectile bodies of the penis (the two corpora cavernosa and the corpus spongiosum), the action of sildenafil conditions increase of blood flow and blood retention in the erectile bodies, resulting in hard, lasting and controllable erections. Generic Viagra has no effect on user’s sexual temperament; the drug potentiates erectile response, but provides no sexual stimulation or enhancement. Sexual stimulation is required for the drug to produce its health effect.

HOW LONG DOES GENERIC VIAGRA LAST?

Taken prior to planned sexual activity, generic Viagra effects will set on in approximately 60 minutes and will last during the period of time equal 4 to 6 hours, subject to change from patient to patient. The duration of sildenafil effects largely depends on a number of factors, namely:

  • individual response towards sildenafil
  • severity of ED
  • etiology of ED
  • duration of ED
  • timing of the intake with regard to meal and / or alcohol intake
  • number of previous intakes
  • dose of the drug

GENERIC VIAGRA SIDE EFFECTS

Sildenafil is reported to be well tolerated by the majority of patients, the adverse events associated with the drug being transient and mild in their nature. Generic Viagra side effects are dose-dependent. The side effects of generic Viagra have tendency to subside with continued use. The risk of side effects is minimized by concomitant intake of a light meal with low fat content. Should they become bothersome or would not go away for a prolonged stretch of time, seek medical advice.

Common generic Viagra side effects:

  • Cephalgia
  • Nausea
  • Facial flushing, redness
  • Digestive disruption
  • Stomach ache
  • Myalgia
  • Lightheadedness
  • Slight alteration of color perception

Rare generic Viagra side effects:

  • Hearing loss
  • Tinnitus
  • Prolonged / painful erection
  • Temporary vision loss

Generic Viagra side effects requiring medical emergency:

  • Cardiac symptoms (palpitations, irregular heartbeat, angina)
  • Allergy signs (skin rash, wheezing, coughing, impaired breathing)
  • Priapism (erection that lasts more than 4 hours or is painful)

HOW TO TAKE GENERIC VIAGRA (DOSAGE)?

Generic Viagra dose titration is 25 mg, 50 mg and 100 mg. The average most commonly prescribed dose is generic Viagra 50 mg, which can be lowered to 25 mg or increased to 100 mg proceeding from induced health results and side effect history in individuals. Always follow dosing and posologic instructions from your prescriber. Do not take more than one recommended dose during 24 hours.

Take a pill of generic Viagra with a sufficient amount of water without crushing or chewing. Allow for effect onset to occur within ca 1 hour.

DOES GENERIC VIAGRA WORK?

In double-blind, placebo-controlled, dose-controlled studies the efficacy of sildenafil 50 mg reached 69%. The data reported by developer company maintains efficacy of sildenafil at 82% with the administered dose of 100 mg.

Generic Viagra improves the penetration ability and maintenance ability, as well as shortens the sexual recovery periods. The drug indirectly improves psychological outlook and introspective perception of men affected with ED of both organic and psychological etiology thanks to removing the cause for performance anxiety (anticipated erectile failure and stress related to it).

GENERIC VIAGRA AND ALCOHOL

Concomitant use of generic Viagra and alcohol potentiates the risk of severe and sudden drop in blood pressure. The pharmacokinetic effects of alcohol on sildenafil can be described as inhibitive; the onset of generic Viagra effects and their intensity will be compromised. The general guidelines are to avoid the combination or make it minimal.

GENERIC VIAGRA AND COCAINE

Cocaine and other recreationally used drugs are known to reduce erectile ability, therefore it is not uncommon for cocaine users to take generic Viagra as a means of sexual enhancer. The interaction between sildenafil and cocaine is potentially fraught with risks of developing hallucinations, seizures, tremor and disorientation. The clinical data on the subject of concomitant use is limited to this research that focuses on a heart attack induced by simultaneous use of sildenafil, cocaine and alcohol and engaging in sexual activity. The contribution of each separate factor is hitherto unestablished.

HOW TO USE GENERIC VIAGRA FOR BEST RESULTS?

Healthcare professionals give the following recommendations that increase the health outcomes of generic Viagra:

  • Follow dose instructions from your prescriber
  • Take generic Viagra in a fasted state or after a light meal.
  • Avoid taking alcohol, grapefruit and grapefruit juice
  • Avoid fatty or heavy meals prior to the use of generic Viagra
  • Continue taking generic Viagra; best results are achieved with a continuous use
  • Make sure you receive adequate sexual stimulation
  • Avoid coprescribed drugs decreasing sildenafil concentration in plasma (e.g., bosentan)

HOW LONG DOES IT TAKE FOR GENERIC VIAGRA TO WORK?

The onset of generic Viagra health effects is to be expected within an hour after the drug has been supplied. This estimate can be decreased or increased based on individual response, meal intake and sildenafil dose.

WHAT HAPPENS IF A WOMAN TAKES VIAGRA?

Sildenafil contained in generic Viagra is a vasodilatory and hypotensive agent, which means that in women it will mostly promote smooth muscle relaxation, decreased blood pressure and improved blood circulation.

HOW MUCH WILL GENERIC VIAGRA COST?

The per-pill cost of generic Viagra 50 mg /100 mg varies from one pharmacy to another and depends on a variety of factors, such as the prime cost set by manufacturer, pharmacy mark-ups, complementary services (such as free online consulting by a healthcare specialist) incurred in the price, etc. The average cost of generic Viagra online fluctuates between $0.39 and $1.19, and can be further affects by current discounts, sales, promotions and bulk purchase shave-offs.

GENERIC VIAGRA REVIEWS

Generic Viagra is such a lifesaver! The price is chill, the quality is good. I achieve hard erections almost at every attempt. I get flushed as a side effect, but couldn’t be bothered less. I cannot see much difference from a way more expensive original.
Rocco, 63

“I have diabetes type 2 and I haven’t been able to achieve any penile hardness in soon 6 years now. I buy generic Viagra (to be exact, Kamagra) on repeat. Not because I am such a fan, I believe that the original is still better, but it’s too overpriced. Much to the credit of Indian Viagra producers, I get minimal side effects and I am quite satisfied with the results. “
Kelly, 29

“Generic Viagra is a decently effective and a moderately priced solution for my long-lasting ED problems. I use on average 4 pills weekly and have but one reason to complain, and it is disrupted bowel movement that I associate with the use of Viagra. “
Jackson, 47

“I get to feel the effects of generic Viagra already 20 minutes after taking the pill! Anything can get me going, a fleeting sexy image, a fantasy, the very thought of sex can get me hard. I have lots of side effects though, runny nose and next morning headaches, facial redness, you name it. Still generic Viagra is my pill of choice!”
Hasan, 55

Glossary

TermDefinition
Drug PatentA drug patent is assigned by the U.S. Patent and Trademark Office and assigns exclusive legal right to the patent holder to protect the proprietary chemical formulation. The patent assigns exclusive legal right to the inventor or patent holder, and may include entities such as the drug brand name, trademark, product dosage form, ingredient formulation, or manufacturing process A patent usually expires 20 years from the date of filing, but can be variable based on many factors, including development of new formulations of the original chemical, and patent infringement litigation.
Drug ExclusivityExclusivity is the sole marketing rights granted by the FDA to a manufacturer upon the approval of a drug and may run simultaneously with a patent. Exclusivity periods can run from 180 days to seven years depending upon the circumstance of the exclusivity grant.
RLDA Reference Listed Drug (RLD) is an approved drug product to which new generic versions are compared to show that they are bioequivalent. A drug company seeking approval to market a generic equivalent must refer to the Reference Listed Drug in its Abbreviated New Drug Application (ANDA). By designating a single reference listed drug as the standard to which all generic versions must be shown to be bioequivalent, FDA hopes to avoid possible significant variations among generic drugs and their brand name counterpart.
ABProducts meeting necessary bioequivalence requirements. Multisource drug products listed under the same heading (i.e., identical active ingredients(s), dosage form, and route(s) of administration) and having the same strength (see Therapeutic Equivalence-Related Terms, Pharmaceutical Equivalents) generally will be coded AB if a study is submitted demonstrating bioequivalence. In certain instances, a number is added to the end of the AB code to make a three character code (i.e., AB1, AB2, AB3, etc.). Three-character codes are assigned only in situations when more than one reference listed drug of the same strength has been designated under the same heading. Two or more reference listed drugs are generally selected only when there are at least two potential reference drug products which are not bioequivalent to each other. If a study is submitted that demonstrates bioequivalence to a specific listed drug product, the generic product will be given the same three-character code as the reference listed drug it was compared against.

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