Viagra is the brand name for sildenafil, a medication for treating erectile dysfunction (ED). Sildenafil belongs to a group of medicines called. BlueChew is a different approach to ED medicine. It is in the phosphodiesterase-5 inhibitor (PDE5-I) class of medications. Feeling sick (nausea) Flushing including hot flushes. Kamagra Chewable 100 Tablet is a drug that has an active ingredient called Sildenafil. A collection of drugs called phosphodiesterase type 5 (PDE 5) inhibitors. To treat erectile dysfunction-ED, take this drug by mouth as directed by your doctor, usually as needed. Study II: When VSS began 2 h postdose, the median duration of grade 3 or 4 erections was 19. upset stomach. VIAGRA (sildenafil citrate) is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg and 100 mg of sildenafil for oral administration. , (NYSE and TASE: TEVA) today announced the exclusive launch of its generic Viagra ®1 (sildenafil citrate) tablets in the U. It acts as a selective phosphodiesterase type. Sildenafil is an effective oral treatment in men with erectile dysfunction. The cost for sildenafil. VIAGRA (sildenafil citrate) is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg and 100 mg of sildenafil for oral administration. Sildenafil works by helping to relax the blood vessels in the penis, allowing more blood to flow in and cause an erection. BlueChew offers chewable forms of several common ED medications: sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra). The PDE5 inhibitor also causes an increased blood supply to the vagina, which causes clitoris erections in women. The higher your dose, the greater your chances of developing a headache. Side effects. Generic sildenafil is covered by most Medicare and insurance plans, but. 5% of the peak Sildenafil remains. Sildenafil Oral Jelly. The dose can be increased to 100mg or decreased to 25mg depending on its effect. For many men with ED, sildenafil (Viagra) is a first-choice medication to help get or maintain an erection. 78% of reviewers reported a positive experience, while 13% reported a. BlueChew and Hims offer chewable forms of these medications, which people may find easier to take. We know that in men, Viagra dilates blood vessels and increases the flow of blood to the penis. . Feeling dizzy. VARDENAFIL. Consistent with its known effects on the nitric oxide/cyclic guanosine monophosphate (cGMP) pathway (see Section 5. 50 tablets pack will be enough for countless hot nights. How to take it. 83% of reviewers reported a positive effect, while 9% reported a negative effect. com. Sildenafil is a medication used in the management and treatment of erectile dysfunction and pulmonary arterial hypertension. 5% of the peak Sildenafil remains. 1111/j. These substances can interfere with the effectiveness of Viagra or amplify its side effects. But there are some differences. At this point other pharmaceutical companies. There are alternative treatments if it doesn’t work for you. $6. Viagra¹ is a drug manufactured by Pfizer for the treatment of erectile dysfunction (ED) in men. Close. 10 tips to use sildenafil (aka Viagra) effectively. No Headache, No facial flushing, a little bit of a stuff nose but not as bad as when I take Slidenafil. SILDENAFIL. This is because a heavy meal can delay the absorption of the drug, which would delay the onset of its desired effects. It is an affordable alternative to Viagra. Sildenafil is a popular erectile dysfunction (ED) tablet, taken by men who find it hard to get an erection on their own. 99. It is important that you tell all of your doctors that you take sildenafil. Rarely, certain side effects like abnormal heartbeat, heart attack, stroke, bleeding in the lungs, and very bad high blood pressure have happened with this medicine (sildenafil tablets). But high blood pressure, heart disease, and prostate problems are also more common in men as they get older. 2 out of 5 stars. chewable tablets. double vision. This is a type of high blood pressure that occurs between the heart and the lungs. VIAGRA is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to 25 mg, 50 mg, or 100 mg of sildenafil. Sildenafil is an ingredient known as a Phosphodiesterase Inhibitor (PDE-5) found in FDA-approved products for the treatment of male erectile dysfunction. A new Cleveland Clinic-led study has identified sildenafil – an FDA-approved therapy for erectile dysfunction (Viagra) and pulmonary hypertension (Revatio) – as a promising drug candidate to help prevent. 79 / tablet. ; Adcirca is another brand name of tadalafil. drowsiness. Cost per Month. D. com or in the GoodRx mobile app. Finally, the company provides a range of tablet counts, from 4 to 34 per month, depending on a user’s need. BlueChew Sildenafil 45mg Review . Potential benefits. Sildenafil has an average rating of 8. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Consider therapy modification. Food and Drug Administration in 1998. Proudly sourced directly from the manufacturer or their approved distributor. Learn More About Sildenafil Compounded From Our Team of Experts. Men's Sexual Enhancement. These cultural expectations may mask some of the true symptoms of depression. 6 PACKS. If you're taking sildenafil for pulmonary hypertension and get these side effects, there are things you can do to help cope with them: Headaches. Sildenafilo (Viagra). It's effective for around 82 percent of men, according to research. BlueChew uses board-certified physicians and telemedicine technology to prescribe chewable medications, like generic Viagra and generic Cialis, through its online. Sildenafil citrate has vasodilatory properties, resulting in mild and transient decreases in blood pressure. It works by increasing blood flow to the penis, which helps to maintain an erection. Viagra and Levitra take about 30 minutes to work, and the effects last for about 4 hours after you take the pill. Concession PBS Price. Take some headache medicine. Sildenafil (Viagra, Revatio) is a moderately priced drug used to treat erection problems in men. Both sildenafil and tadalafil work by relaxing the muscles in the walls of blood vessels in the penis, allowing for increased blood flow and therefore leading to an erection. Sildenafil is a member of the agents for pulmonary hypertension drug class and is commonly used for Erectile Dysfunction, Pulmonary Arterial Hypertension, and Sexual Dysfunction - SSRI Induced. This can reduce the medication’s effectiveness against ED. Here's what you can do. A high-fat meal can prevent the active ingredient in Viagra, Sildenafil Citrate, from getting absorbed. SILDENAFILDescriptions Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil Prices, Coupons and Patient Assistance Programs. Question Does sildenafil reduce the risk of perinatal mortality or morbidity in children of pregnant women with severe early onset fetal growth restriction?. 5/20mg pill, including free delivery. dryness, redness, scaling, or peeling of the skin. This information from Lexicomp® explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). -. See moreThe chews are available in 30 milligram and 45 milligram doses. Sildenafil (Viagra) Use for Erectile Dysfunction. Viagra is not FDA approved for use in females. Sildenafil starts at just $1 / 20mg pill. The most common side effects are facial flushing (1 in 10), headaches (1 in 6), stomach pain, nasal congestion, nausea, dizziness, rash, urinary tract infections (UTIs), diarrhea, and an. Concession PBS Price. The order process was easy and the video interview with the doctor was quick and simple. It’s possible that Viagra can begin working within 30 minutes of being taken. More difficult medication names will. Common side effects of Flomax include headache, dizziness,. Hims offers legitimate, brand-name Viagra by prescription in doses of 25 milligrams (mg), 50 mg, and 100 mg. The chewable tablets are made with the same active ingredients (sildenafil, tadalafil, and vardenafil) used in the FDA-approved medications Viagra®, Cialis®, and Levitra®. Consistent with its known effects on the nitric oxide/cGMP pathway [ see Clinical Pharmacology (12. Of the patients who achieved >60% penile rigidity after sildenafil, 86% had done so by 30 min after dosing. Those health risks and others associated. The effects may be increased because of slower removal of the medicine from the body. Sildenafil is also known by the brand name Viagra. Sildenafil is also known by the brand name Viagra. Children 1 year of age and older weighing 45 kilograms (kg) or more—20 mg 3 times a day. , during the weekend, or on a holiday, call 212-639-2000. Viagra is a brand-name drug manufactured by Pfizer. Sildenafil is the active ingredient in Viagra®, one of the most popular drugs in the world. Just follow these 3 easy steps to start saving today!According to one four-year study of sildenafil, the most common sildenafil side effects were headaches (28%), flushing (21%), dizziness (8%), abdominal pain (6%), and nasal congestion (5%). BlueChew’s tablets come in two forms; one includes Tadalafil, and the other contains Sildenafil. These medications work by increasing blood flow to your penis, making it easier to get. 99 per pill or 200 drugs by price $0. When taking Viagra after a high-fat meal, absorption is delayed by about an hour. The first synthetic route of sildenafil (Figure 1 a) accomplished the preparation of its pyrazole derivative from ethyl 3-butyrylpyruvate and hydrazine hydrate in acetic acid, followed by the selective N-methylation of the pyrazole ring with dimethyl sulfate. Sildenafil works by helping to relax the blood vessels in the penis, allowing more blood to flow in and cause an erection. It is better known as the blue pill. Chewable medications can be a convenient alternative for people who dislike swallowing pills. 6 mg/lb 2-3. Both are designed to help improve blood flow to the. not to exceed 100 mg/day. Viagra (sildenafil) is a brand-name oral tablet prescribed for erectile dysfunction. CHEWABLES. difficulty in concentrating. This can also be said of the potential interactions between cannabis and Viagra. Water is a great way to take Viagra. 63/use. Fildena Chewable100 mg pills manufactured by Fortune Healthcare is used for treating ED (impotence) in impotent male. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. Viagra (sildenafil) and cost. And many of the. Once you settle on a lab, you can begin your research. Whereas generic sildenafil is the generic version and is made by a number of manufacturers. com. Works in 30-60 minutes and lasts for up to 5 hours. You don’t need to have any food intake when taking this product. Usually, after sexual stimulation in a male, there is a. Learn how diabetes, atherosclerosis, prostate surgery, and other conditions contribute to ED. The Effects of Viagra on Prostate Gland. If vomiting occurs when dosed on an empty stomach, give future doses with food. Hard Mints are chewable ED medications that include the same active ingredients that are found in Cialis®, Staxyn®, and Levitra® at different dosages. Tadalafil works in as little as 30 minutes and can last up to 36 hours. Women who take it might also have increased blood flow to the genitals. Vardenafil has an average rating of 8. Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). The same active ingredients as Cialis® and Viagra® at different dosages. YOUR SAVINGS, YOUR WAY. That may. Sildenafil is a generic medication, so it’s less expensive than Viagra. 00. SILDENAFIL LA SANTÉ ® actúa aumentando el GMPc por inhibición de la fosfodiesterasa tipo 5 (PDE5) en los cuerpos cavernosos, produciendo relajación del músculo liso y entrada del flujo sanguíneo, facilitando de esta manera la erección en respuesta a la estimulación sexual. Viagra (brand name sildenafil) is a medication doctors prescribe to men who are having problems getting and sustaining an erection (erectile dysfunction, ED, impotence). 77, which is 95% off the average retail price of $219. SILDENAFIL. Kamagra Chewable helps in rushing blood into the penis of a man which shows the pace of ejaculation enabling a man to last longer. Shop Veterinary Diet Food, Supplements, Dental Care & More. When you collect your prescriptions, check the brand and strength of the tablets. Sildenafil is for the treatment of adult men with erectile dysfunction. Indigestion. What are the main differences between Levitra and Viagra? Levitra (vardenafil), also known by its generic name vardenafil, and Viagra, also known by its generic name, sildenafil, are both PDE-5 inhibitors. Timing. VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. Sickle-cell anemia (blood disorder)—Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur. Up to 40% of Americans can’t tolerate pill-swallowing. The cost of sildenafil without insurance starts at $12. Viagra increases the effect of NO by suppressing the enzyme responsible for its breakdown. The usual dose ranges between 2. Sildenafil Citrate 50 MG Tablet contains Sildenafil. 10 PACKS. Maximum adult dose with ritonavir or cobicistat is 25 mg per 48 hours. The most common side effects include flushing, headaches, dyspepsia, and transient visual changes. 2 3 Sexual dysfunction in men after the diagnosis of coronary artery. Tadalafil has an average rating of 8. Sildenafil functions as a selective and competitive inhibitor of type 5 phosphodiesterases (PDE5) on smooth muscle cells in the penis and pulmonary vasculature, and is used extensively for erectile dysfunction and less commonly for pulmonary hypertension. Not sponsored or promoted or anything, but honestly when I was doing research before I took it I couldn’t find a ton of good info on what the expect, so figured I’d be happy if this helps even just a single person I’m prescribed the sildenafil 45mg. abnormal vision (blurred vision, changes in color vision) runny or stuffy nose, nosebleeds; sleep problems (insomnia); or. 1. Active. It has a role as a vasodilator agent and an EC 3. The BlueChew prescription treatments come in a chewable form. drowsiness. Learn more. 63/use. Sildenafil has the property of relaxing the smooth muscle of the blood vessels and widening them which can cause a fall in blood pressure (hypotension). Always read the label. It is also used to treat pulmonary arterial hypertension, a serious heart and lung condition. Consumers using the ScriptSave WellRx savings program can expect average savings of 65% and, in some cases, it can be 80% or more* on brand and generic prescription drugs - that's instant savings at the register for your whole family. I was hard for like 8 hours plus and it just kept working. Once you settle on a lab, you can begin your research. 5. . Sildenafil is not one of those drugs. Vardenafil (Levitra) Works Over 4 to 6 Hours: Vardenafil is the active ingredient in Levitra and Staxyn. 5 mg/mL in water and a molecular weight of 666. It was significantly superior to placebo in improving erections and allowing successful penetrative sexual intercourse. Comments: No greater efficacy was achieved with oral doses higher than the maximum recommended dose. Rarely, certain side effects like abnormal heartbeat, heart attack, stroke, bleeding in the lungs, and very bad high blood pressure have happened with this medicine (sildenafil tablets). 2007 Apr;14 (4):331-5. While ED medications like Viagra can give you a big boost in the bedroom, it will not work if you are not already “in the mood”. A. If you have an erection that lasts longer than 4. Details. You should try to find whats the best for you. Serious side effects of Viagra include low blood pressure, abnormal. I did not know anyone who took it before or knew anyone as young as me who took it. This Item – Sildenafil Compounded Capsule for Dogs & Cats, 40-mg, 1 capsule. Quick delivery. For example, a small study of 20 people that looked into Viagra’s effect on refractory time found that a standard 100mg dose of sildenafil citrate reduced the average male post-sex recovery time from 10. Precautions. However, if these medicines are to be taken together then it is advised to keep a time gap of 24 hours between the intake of Penegra and blood pressure. SILDENAFIL SANDOZ is not indicated for use by women. 1. Sildenafil is not suitable for some people. Objectives: This study aimed to describe the utilization pattern and associated. Same active ingredient as Levitra® and Staxyn®. Nitric Oxide Boosters. There is currently limited evidence that. Sildenafil is effective for the treatment of ED, although 20–50% of patients who respond to sildenafil discontinue its use . The mints are made with the same active ingredients that are found in Viagra, Cialis, etc. Yes. Whereas generic sildenafil is the generic version and is made by a number of manufacturers. However, sildenafil doesn’t work for everyone. That's slightly different from the 25 milligram and 50 milligram doses of the pills, which are prescribed for those over. Do not take Sildenafil (sildenafil citrate), Tadalafil or Vardenafil if you take medication containing nitrates or guanylate cyclase stimulators for pulmonary hypertension as this could cause an unsafe drop in blood pressure or if you are allergic to sildenafil, tadalafil or any ingredients in either medication. Starting as low as $20 per month. According to the bluechew sildenafil review, Sildenafil takes 30 minutes to be effective in your system. 30 MG 45 MG . Cost per Month. Get in a romantic mood. While taking Viagra, it is advisable to avoid or consume certain foods in moderation. Viagra is a brand-name medication, and the tablets have a distinct blue appearance and come in a recognizable box. 3 million prescriptions written for this medication. This allows blood to flow better and lowers the blood pressure in the lungs. 3 out of 10 from a total of 490 reviews on Drugs. Tadalafil and sildenafil are the two most common phosphodiesterase 5 inhibitors used to treat ED. Viagra 100 mg 50 pills packaging breaks down the price and can be bought at a big discount. Page last reviewed: 2 March 2022. But a headache is one of. Increased Blood Flow. Filagra Gel Shots 100mg (Filagra Oral jelly 1 week Pack 7. BlueChew is a different approach to ED medicine. Consuming grapefruit and grapefruit juice may increase the amount of sildenafil in the body, make it take longer for sildenafil to work, and ultimately affect the way the medication is metabolized. Therapeutic Effects: Viagra: Enhanced blood flow to the corpus cavernosum and erection sufficient to allow sexual intercourse. Ingredients shown to help men get harder erections and last longer. Several articles have raised concerns regarding the use of sildenafil and the occurrence of serious adverse events, such as myocardial ischemia, stroke, and even death. Note that if you want to buy Sildenafil over the counter then you are restricted to a 50mg dose (available as Viagra. Here are some fast facts about Viagra: Active ingredient: sildenafil Drug class: phosphodiesterase-5 inhibitor Drug form: oral tablet As with other drugs, Viagra can cause side effects. 5. The first of the 3 is sildenafil, introduced in 1998. Men between 45-55 especially benefited from medication but men in their 70s experience safe, effective results as well. Notably, no improvement in the oxygen index over 36 hours (P<0. 28 November, 2018. In clinical trials, researchers found that 82 percent of men with ED reported some improvements in erectile function after using sildenafil at a dosage of 100mg. Who may not be able to take sildenafil. Below is a breakdown of the clearance of Sildenafil as calculated by the half life: After 3-4 hours (1 half-life cycle): 50% of the peak Sildenafil remains. fast-acting, chewable tablet that lasts 24-36 hours, allowing for more spontaneity If you hadn’t guessed, Sildenafil is the active ingredient in Viagra, while Tadalafil is the active ingredient in Cialis. It is even more convenient to take the chewables as required with BlueChew because of. -. The penis is one of the areas where this enzyme works. S. Also you can order at a bargain price Viagra 100 mg 100 tablets by price $0. Before prescribing sildenafil tablets, carefully consider whether patients with certain underlying conditions could be adversely affected by such vasodilatory effects (e. dizziness or lightheadedness, especially when getting up suddenly from a lying or sitting position. This systematic review and meta-analysis were conducted to directly compare tadalafil with sildenafil for the treatment of ED. Key facts. Sildenafil (Viagra) has a half-life of 4 hours and vardenafil (Levitra) has a half-life of 4-6 hours while tadalafil (Cialis) has a half-life of 17. It is the generic version of Viagra, which means it contains exactly the same active ingredient (sildenafil citrate) and works in the same way. BlueChew: The New Chewable Viagra- Does it Work? The answer is a big yes! It helps thousands of people with erectile dysfunction to achieve a harder, firmer, and longer. What Is BlueChew? BlueChew is a telehealth service that provides you with a monthly subscription for chewable ED tablets. 7. 6 out of 10 from a total of 261 ratings on Drugs. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. . $6. Generic. Fildena XXX is effective in the treatment of impotence. Findings In this randomized clinical trial including 216 pregnant women, perinatal mortality or major morbidity was not statistically different and occurred in the offspring of 60. Manufacturer. It was approved by the U. Hims is a telehealth company that provides both prescription and over-the-counter generic and brand-name medications. In comparison studies, tadalafil is preferred to sildenafil (50/100mg) by men with ED, possibly because of its longer duration of action. com. Brand vs. Kamagra Chewables is used to treat the. The carboxylic acid was obtained after alkaline hydrolysis was subjected to. 5 min (0–55) for sildenafil vs 0 min (0–23) for placebo. It takes about 30 minutes to an hour to take effect and stays in your system for 4-5 hours. 00 PER MONTH!Sildenafil is usually taken orally, in the form of a tablet, with a glass of water. Sildenafil, on the other hand, is typically taken on an as-needed basis. VIAGRA (sildenafil citrate) is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg and 100 mg of sildenafil for oral administration. pain in your bladder. This is a type of high blood pressure that occurs between the heart and the lungs. FDA Drug Saftey Communication: FDA clarifies Warning about Pediatric Use of Revatio (sildenafil) for Pulmonary Arterial Hypertension. dry eyes. Important safety information. Viagra Prices, Coupons and Patient Assistance Programs. May make this condition worse. 35 (3',5'- cyclic-GMP phosphodiesterase) inhibitor. 1, 12. Quartz & Granite Installation. Ketamine see a doctor. For sildenafil and tadalafil, BlueChew offers two different doses (30 mg and 45 mg for sildenafil, and 6 mg and 9 mg for tadalafil), and one dose for vardenafil (8 mg). Frequently Bought Together. 4 hrs. Our aim is to systematically review the existing literature on mortality associated with sildenafil use. Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). com. This vasodilator comes in tablet form. El cuerpo demora más en absorberlo después de ingerir una comida alta en grasas o de consumir alcohol. One of the most common side effects of Viagra is stomach upset or dyspepsia. , but in a chewable, tastier mint format and at different dosages. Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Tadalafil can be taken up to 36 hours before sexual activity, while sildenafil is typically taken 30 minutes to 1 hour before sexual activity. For more information see Prices in the BNF, under How to. Read on to. Get Started. Some people call Sildenafil ‘cheap Viagra’ for this reason, but it does the same thing in the body and is usually just as effective. The chewable forms of sildenafil, vardenafil, or tadalafil may be ordered online and delivered to your door. This medicine is taken by mouth. The. Chewable medications can be a convenient alternative for people who dislike swallowing pills. Most adults and children aged 1 year and over can take sildenafil for pulmonary hypertension. The bottom line. x. Sildenafil (Viagra) is a medicine used to treat erectile dysfunction (ED, also called impotence). 4 x Tadalafil Chewables; ONLY $20. This means that vardenafil (Levitra) should act longer than sildenafil (Viagra) but the clinical significance is not known. 99. When it comes to treating erectile dysfunction, it can get more challenging the older you get. 34/54 (63%) reported adverse effects with maximal dose sildenafil comprising headache (19), facial flushing (32), dyspepsia (14), nasal congestion (11), dizziness (5) and visual. decreased vision. In the first two weeks, the bristles may look "spotty", but take our word for it-it's worth waiting a couple more weeks, and its appearance is likely to change for the better. For further information, call 1-855-842-4722, visit VIAGRA. Revatio. When VSS began 4 h postdose, the median duration was 5 min (0–45) for sildenafil. Sildenafil (Viagra) is the most effective oral therapy currently available for erectile dysfunction. [8] Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Real. About sildenafil. stomach. Sickle-cell anemia (blood disorder)—Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur. VIAGRA is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to 25 mg, 50 mg, or 100 mg of sildenafil. They are personalized for your needs and can be made with specific dosages and combined actives that help treat ED. Sildenafil (generic Viagra) is a PDE5 inhibitor. 00 – $ 199. MUSE contains alprostadil, a synthetic form of prostaglandin that relaxes muscles and widens blood vessels in the penis. May make this condition worse. Viagra. ago a light-headed feeling, like you might pass out. difficulty in concentrating. Kamagra 100mg Chewable Tablets can be taken on an empty. At this point other pharmaceutical companies. Recently, sildenafil has been demonstrated to be effective in treating premature ejaculation (PE). A prospective clinical study. Hims: Chewable Viagra to Try in 2023 Medically reviewed by Alexandra Perez, PharmD, MBA, BCGP BlueChew and Hims both offer chewable versions of ED medications such as sildenafil (Viagra). In combination with nitrates, it can and has caused fatal hypotension. SILDENAFIL (sil DEN a fil) treats erectile dysfunction (ED). dryness, redness, scaling, or peeling of the skin. If you need emergency medical care for a heart problem, it is important that your doctor knows when you last took sildenafil. Chewable Sildenafil, Tadalafil, or Vardenafil Erectile Dysfunction treatment plans. com. The three rivals -- Viagra, Cialis, Levitra and Stendra-- have similar side effects, including headache, facial flushing, nasal congestion, diarrhea, backache, and, in a few Viagra or Levitra users, temporary impaired color vision (men with retinitis. All of these drugs will only work with sexual stimulation, meaning. Sildenafil should be given without food. Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. 4. Generic sildenafil is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. 2 out of 10 from a total of 501 ratings on Drugs. $20/ MO. , patients on antihypertensive therapy or with resting hypotension [blood pressure less than 90/50. It affects erectile function by selectively inhibiting phosphodiesterase type 5, the enzyme responsible for degradation of cyclic guanosine 3′,5′-monophosphate in the corpora cavernosa. MUSE. A.