Viagra quickly became a household name thanks to extensive TV advertisements promoting it as an erectile dysfunction medication, making its distinctive blue color and diamond shape easy for consumers to identify.
Sildenafil 비아그라정보 is used as the active ingredient in Revatio, a medication prescribed to treat pulmonary arterial hypertension (PAH). Both medicines act as phosphodiesterase type 5 inhibitors.
What is sildenafil?
Sildenafil is an oral drug approved by the Food and Drug Administration to treat erectile dysfunction (ED) in men, as well as improve exercise capacity in those living with pulmonary arterial hypertension (PAH - high blood pressure in the vessels that supply oxygenated blood to the lungs). Commonly referred to by its brand name Viagra or by different brand names including Aronix Liberize Nipatra Revatio; however it should not be taken by those with heart issues, stroke, alcohol consumption problems or those who drink often as this medication could potentially cause dangerous drops in blood pressure that could lead to catastrophic results.
Sildenafil works by blocking an enzyme in the body that breaks down nitric oxide, increasing blood flow to the penis during sexual arousal and helping produce an erection. Additionally, this medication may relieve chest pain and improve breathing in people living with PAH and should be taken either with or without food - it is important that any medications, vitamins, or dietary supplements you are currently taking be disclosed prior to beginning this treatment plan.
If you take too much sildenafil, side effects could include an erection lasting more than 4 hours and severe headaches. Seek medical assistance immediately if these symptoms arise or worsen; even common adverse reactions could potentially cause permanent damage if not addressed immediately.
How does sildenafil work?
Sildenafil is a type of phosphodiesterase inhibitor medication prescribed to treat both erectile dysfunction (ED) and pulmonary arterial hypertension (PAH). It works by relaxing blood vessels in the penis to allow more blood to enter and help you achieve an erection; however, sexual stimulation must occur for its effects to take effect.
Pfizer originally developed this medication to treat angina pectoris (chest pain caused by heart disease), but they soon realized it also helped people suffering from ED. Sildenafil is only available with valid medical documentation and comes as tablets or suspension liquid that you take by mouth; additionally it's available as an injection administered only by medical practitioners.
Telling your doctor about all medications taken - both prescribed and nonprescribed drugs, vitamins, and herbal supplements - is extremely important as Sildenafil may interact with some medications.
Sildenafil may lead to an uncommon side effect known as priapism, an uncontrollable erection lasting more than 4 hours, which should be taken seriously and require emergency treatment from a medical provider immediately. Also, if taking sildenafil and experiencing hearing loss or ringing in your ears while taking this drug is noted - as this could indicate serious health concerns!
What are the side effects of sildenafil?
Like other phosphodiesterase-5 inhibitors, sildenafil treats erectile dysfunction (ED) by inhibiting PDE5 from breaking down cGMP and aiding men in attaining and maintaining an erection during sexual intercourse. Due to its effectiveness and relatively mild side effects, sildenafil has become a popular treatment choice; some potential reactions include decreased blood pressure, headache, nausea, indigestion, back pain and facial flushing - and in rare instances even painful unstoppable erection that necessitates emergency medical assistance!
Sildenafil can also be used to treat pulmonary arterial hypertension (PAH) in World Health Organization group 1 patients. Brand name Viagra and generic versions can be prescribed in doses of 25 mg, 50 mg or 100 mg; generic medications produced by multiple manufacturers may have distinct appearances compared with their brand counterparts such as white coloration or other shapes.
Before taking an ED medication, it's essential to discuss potential side effects with your physician. Certain drugs and supplements may interfere with sildenafil and reduce its effectiveness, or cause serious issues when combined with this treatment - examples include nitrates, alpha-blockers, antidepressants, sedatives and certain antibiotics. Furthermore, alcohol should also be avoided while on sildenafil as this could reduce blood pressure while increasing how long it takes the medicine to work.
Are there generic versions of sildenafil?
Viagra (sildenafil) is a brand name medication designed to treat erectile dysfunction in men. Generic versions, called sildenafil citrate, are widely available and cost considerably less than its brand counterpart. When Pfizer's patent on Viagra expired in June 2013, other pharmaceutical companies became legally entitled to produce and market generic versions of this medication.
Sildenafil and its generic version work in much the same way, however there may be small variations between their ingredients (known as carrier agents) which bind tablets together and in shape or color of pills used for treating PAH (such as Revatio's red version compared with blue).
Avoid mixing nitrates with sildenafil as this combination can rapidly lower blood pressure to dangerously low levels. Furthermore, drinking alcohol while taking this medication could result in severe dizziness and fainting - potentially life-threatening symptoms.
Inform both your doctor and pharmacist of all prescription and nonprescription medicines, vitamins, and herbal supplements you are taking - especially any that cause allergies or sensitivities. Sildenafil interacts with certain drugs such as Cimetidine (Tagamet HB) and St John's Wort and could reduce their effectiveness while increasing side effects such as low blood pressure or an erection that lasts more than two hours.