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Without physical action to the penis, such as that occurring during sexual intercourse, sildenafil will not work to cause an erection. Sildenafil is also used in both men and women to treat the symptoms of pulmonary arterial hypertension. This is a type of high blood pressure that occurs between the heart and the lungs. When hypertension occurs in the lungs, the heart must work harder to pump enough blood through the lungs. Sildenafil works on the PDE5 enzyme in the lungs to relax the blood vessels. This will increase the supply of blood to the lungs and reduce the workload of the heart.

Is generic medication less effective than brand-name medication?

Jamin Brahmbhatt, a urologist and chief of surgery at South Lake Hospital in Orlando, Florida, told Insider. "We know sildenafil can cause side effects, some at high rates, some rare. It just validates what we [urologists] already do," Brahmbhatt, who was not involved in the study, added. "It's best to start at a low dose and titrate up as needed. This way some of the rare side effects — like vision problems — can be avoided." There have been a few previous studies examining the effect of sildenafil on vision.

Sildenafil: what you need to know

One previous study examined the possible damage that sildenafil does to the retina. Dr. Richard Rosen, lead author at that study, wrote that "people who depend on colored vision for their livelihood need to realize there could be a long-lasting impact of overindulging on this drug." One study examined how 50 mg of the drug could affect healthy men, while another examined the effects of the drug on vision when taken regularly for three months. Sildenafil is one of the world's most popular drugs, and it's also one of the most counterfeited drugs in the world. (Pfizer, a manufacturer of Viagra, had to create its own security force to cut down on the unregulated drugs.) The drug works by relaxing muscles and arteries in the penis, which then allows more blood to flow to the penis, creating a state of arousal. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered: Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Appropriate studies have not been performed on the relationship of age to the effects of sildenafil in children younger than 1 year of age. Safety and efficacy have not been established.

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Sildenafil should never be used in children for erectile dysfunction.

What is the impact of ED on men?

The drug's effects take about one hour to kick in, and last about three to five hours. Common side effects include headaches, nausea, and dizziness. A spokesperson for Pfizer, the manufacturer of Viagra, said: "Since its approval in 1998 as a treatment for erectile dysfunction, more than 67 million men around the world have been treated with Viagra. The safety profile of Viagra is supported by more than 74 double blind placebo-controlled clinical studies involving 9,570 patients." A Viagra experiment has been linked to the death of multiple children We tried to buy generic Viagra online from Hims and failed — here's how it went down Hundreds of supplements have been sildenafil 100mg blue pill found to contain hidden pharmaceutical drugs Sildenafil is used to treat erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors.

Hormonal imbalances

These medicines prevent an enzyme called phosphodiesterase type-5 from working too quickly. The penis is one of over the counter drugs containing sildenafil the areas where this enzyme works. Erectile dysfunction is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection. When a man is sexually stimulated, his body's normal response is to increase blood flow to his penis to produce an erection. By controlling the enzyme, sildenafil helps to maintain an erection after the penis is stroked. In general, sildenafil should not be used for pulmonary arterial hypertension in children, especially for chronic use. Use of sildenafil oral film is not indicated for use in the pediatric population.

Key takeaways:

Nocturnal arterial hypotension and its role in optic nerve head and ocular ischemic disorders. Pupil-sparing third nerve palsy associated with sildenafil citrate (Viagra). Central serous chorioretinopathy in a patient taking sildenafil citrate. Ophthalmic Surg Lasers Imaging 2004 Mar-Apr;35(2):165-7.35. Quiram P, Dumars S, Parwar B, Sarraf D.

Incidence not known

Viagra-associated serous macular detachment. Branch retinal artery occlusion; another complication of sildenafil. Tadalafil associated with anterior ischemic optic neuropathy. Bollinger K, Lee MS. Recurrent visual field defect and ischemic optic neuropathy associated with tadalafil rechallenge. Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of sildenafil in the elderly.

What SIDE EFFECTS can this medicine cause?

Over a dozen men developed "very intensely" blue vision and other vision changes after taking double the recommended dose of sildenafil, the main ingredient in branded erectile dysfunction treatments like Viagra. In a case study, researchers examined the reports of 17 men who had visited a clinic in Turkey between August 2017 and March 2019, each within 48 hours of taking 100 milligrams of sildenafil. The men, who were between 38 and 57 years old, had all taken the pills without doctor's prescriptions, and were trying it for the first time. According to the report, 12 of the men reported having "very intensely" blue vision, with red-green color blindness, 13 of the men saw changes in how they perceived color, and nine felt sensitivity to light. Some also had blurred vision, highly dilated pupils, and issues with depth perception.

Does sildenafil interact with foods or drinks?

Some of them were still dealing with symptoms up to three weeks later before their eyes readjusted. The study author, Dr. Cuneyt Karaarslan, director of Dünyagöz Hospital in Istanbul, wrote that it is possible that the men's bodies couldn't process the drug, and that was what caused the negative side effects. Crucially, they also took double the recommended 50-milligram, which should be enough to treat erectile dysfunction for three to five hours. "This is why it's necessary to have a doctor review your history and other medications and discuss with you how to use these medications safely," Dr. However, elderly patients are more likely to have age-related liver, kidney, or heart problems, which may require caution and an adjustment in the dose for patients receiving sildenafil.

Side Effect	Severity	Percentage of Users Affected	Notes
Headache	Mild to Moderate	20%	Usually alleviated with painkillers
Flushing	Mild	15%	Redness of face and neck
Nasal Congestion	Mild	10%	Runny or blocked nose
Dizziness	Mild to Moderate	8%	Avoid driving if occurs

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco. The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially: Abnormal penis, including a curved penis or birth defects of the penis—Chance of problems occurring may be increased and this medicine should be used with caution in these patients. Arrhythmia (irregular heartbeat, within the last 6 months) or Blood vessel problems (eg, aortic stenosis, idiopathic subaortic stenosis) or Heart attack (within the last 6 months) or Retinitis pigmentosa (an inherited eye disorder) or Stroke (within the last 6 months)—Should not be used in patients with these conditions. Crowded disc or low cup to disc ratio in the eye (an eye disorder) or Hyperlipidemia (high fats in the blood) or Non-arteritic anterior ischemic optic neuropathy or NAION (serious eye condition), history of or Retinitis pigmentosa (an inherited eye disorder) or Smoking—May increase the chance for a serious side effect in the eye called NAION. Stomach ulcer, or history of or—Chance of tablet sildenafil 50 mg problems occurring may be increased. It is not known if the medicine is safe for use in these patients. The effects may be increased because of slower removal of the medicine from the body. Sickle-cell anemia (blood disorder)—Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur. Pulmonary arterial hypertension (high blood pressure in the lungs) or Pulmonary veno-occlusive disease or PVOD (a type of lung disease)—Use with caution. Use sildenafil exactly as directed by your doctor.

• Research indicates that blue sildenafil may improve quality of life for ED sufferers.
• Side effects are usually mild but can sometimes be severe, requiring medical attention.
• The pill's blue color is iconic and recognized worldwide as Viagra-like medication.
• Blue sildenafil can be part of a broader sexual health regimen under medical advice.
• Some users report enhanced confidence and reduced performance anxiety.
• Ensuring the correct dosage is vital to avoid adverse reactions.
• Sildenafil can sometimes cause changes in hearing or ringing in the ears.
• There are ongoing debates about the long-term effects of sildenafil use.
• Lifestyle factors like exercise and diet can influence sildenafil's effectiveness.
• Educational efforts emphasize responsible use to minimize health risks.

Do not use more of it and do not use it more often than your doctor ordered.

• The generic name "sildenafil" is less known than the brand name "Viagra."
• It can cause jaw pain or toothache as an uncommon side effect.
• The medication should be stored at temperatures between 15-30°C (59-86°F).
• It is not approved for use in combination with other ED treatments.
• The blue film coat may contain polyethylene glycol or titanium dioxide.
• It is essential to report any allergic reactions, such as hives or swelling.
• Patients with penile implants or prostheses should not use sildenafil.

If too much is used, the chance of side effects is increased. This medicine comes with a patient information leaflet. Read and follow these instructions carefully before you start using sildenafil and each time you get a refill of your medicine. Ask your doctor if you have any questions. You may take this medicine with or without food. Place the film on top of your tongue. It will dissolve in your mouth and can be swallowed with saliva without using water or other liquids. Shake the bottle well for at least 10 seconds before each use. Remove the cap by pushing it down and twisting it counter-clockwise.