Sildenafil Oral

5.7 Priapism
Formats available
What is sildenafil?
6.2 Post-marketing Experience
8.2 Lactation
12.2 Pharmacodynamics
Why is this medication prescribed?

Store the suspension at room temperature or in a refrigerator, but do not freeze it.

Patients should avoid grapefruit or grapefruit juice while taking sildenafil tablets.
Consult your doctor if you experience persistent pain or vision changes.
Sildenafil tablets can be part of a broader treatment plan including lifestyle changes.

Dispose of any unused suspension after 60 days. Keep all medication out of sight and reach of children as many containers are not child-resistant. Place the medication in a safe location – one that is up and away and out of their sight and reach.

5.7 Priapism

[1][7][8][9][10][25][33][34][65][76][81][101][104][105][126][127][131][142][143][144] The erectile response generally increases with increasing sildenafil dose and plasma drug concentration, with response becoming greater at 50- and 100-mg doses than at 25 mg.[1][8][9][33][126][130][131][155] Analyses of subgroups of patients with ED indicate that efficacy of sildenafil is not affected by race or age, duration of ED, or duration of select underlying disease states (e.g., diabetes mellitus), and the drug has been effective in a broad range of patients with ED, including those with a history of coronary artery disease (e.g., coronary artery bypass graft [CABG]), hypertension, other cardiac disease (including ischemic heart disease), peripheral vascular disease, type 1 or 2 diabetes mellitus, depression, radical prostatectomy, prostate brachytherapy, transurethral resection of the prostate (TURP), spina bifida, spinal cord injury, and in patients taking antidepressants, antipsychotics, diuretics, and antihypertensive agents. [1][25][30][33][34][93][101][102][104][105][107][108][112][118][126][127][128][129][130][131][132][133][134][140][144] Pooled data from numerous fixed-dose and flexible-dose studies in men with ED secondary to a broad spectrum of organic and psychogenic causes showed increases in mean rates of successful intercourse (total successes divided by total attempts) to about 66-69% in those receiving sildenafil compared with about 20-22% for placebo. Erectile response to sildenafil is better in patients whose erectile function is less impaired at treatment initiation (e.g., those with some spontaneous successful intercourse, with partial erections, with erections during sleep, or with psychogenic causes). [1][33][105][145] In one flexible-dose study (dosage titration and maintenance up to 100 mg), mean scores for number of successful penetrations returned to normal in a subgroup of patients with psychogenic causes of ED; however, mean scores for maintenance of erections during intercourse in these men were lower than in untreated healthy men. [33][34] In a study in men with ED secondary to radical prostatectomy receiving fixed-dose sildenafil (100 mg), response to therapy sildenafil oral solution was greatest in those who had undergone bilateral-nerve-sparing surgery than in those who had undergone unilateral or non-nerve-sparing procedures.

Before taking sildenafil,

[104][127] Pooled data from various clinical trials indicate that sildenafil improved the erections of 43% of patients with ED secondary to radical prostatectomy compared with 15% of those receiving placebo. [1][104] A pooled analysis of 10 placebo-controlled studies of men with severe ED (organic etiology in 60%, psychogenic in 15%, and mixed in 25% of patients) treated with sildenafil (50-100 mg in fixed- or flexible-dose studies) indicated that 48% of the patients usually had erections sufficient for intercourse (score of 4, with 0 being unsuccessful and 5 being almost always successful) after treatment with sildenafil, compared with 8% of those receiving placebo. [76][127] In several randomized, double-blind, placebo-controlled studies in patients receiving sildenafil (flexible doses up to 100 mg or fixed doses ranging from 10-100 mg for 12 weeks) for the treatment of ED attributed to complications of diabetes mellitus, complications of spinal cord injury, or psychogenic causes, 48, 59, or 70% of all attempts at intercourse were successful, respectively, compared with 12, 13, or 29% of all attempts in those receiving placebo. [1][7][8][9][10][25][33][93] In these studies, sildenafil improved several aspects of sexual function including frequency, firmness, and maintenance of erection; frequency of orgasm; satisfaction and enjoyment of intercourse; and overall relationship satisfaction. [1][8][9][33][94][107][130][131][142] Pooled data from fixed- and flexible-dose studies indicate that sildenafil (50 or 100 mg) has no effect on sexual desire (i.e., rates of attempted intercourse, which averaged about 2 per week), but the rate of success increased to an average of 1.3 events per patient per week from 0.4 events per week with placebo. Dispose of unneeded medications in a way so that pets, children, and other people cannot take them. Do not flush this medication down the toilet.

Product	Dosage	Quantity + Bonus	Price
Viagra Generic	100mg	10 Pills	28.91€ 27.53€
Kamagra	100mg	60 + 4 Pills	201.34€ 191.75€
Kamagra Polo	100mg	20 Pills	83.56€ 79.58€
Kamagra Polo	100mg	32 Pills	125.88€ 119.89€
Viagra Generic	25mg	270 + 8 Pills	184.26€ 175.49€
Viagra Generic	200mg	90 + 6 Pills	170.79€ 162.66€
Viagra Generic	50mg	90 + 6 Pills	107.37€ 102.26€
Viagra Generic	25mg	60 + 4 Pills	71.99€ 68.56€
Viagra Generic	150mg	30 + 2 Pills	72.32€ 68.88€
Viagra Generic	50mg	120 + 6 Pills	129.64€ 123.47€
Viagra Generic	200mg	20 Pills	61.69€ 58.75€
Viagra Generic	50mg	30 + 4 Pills	54.26€ 51.68€
Kamagra Polo	100mg	120 + 6 Pills	327.15€ 311.57€
Kamagra Soft Tabs	100mg	20 Pills	79.79€ 75.99€
Viagra Generic	100mg	270 + 10 Pills	270.47€ 257.59€
Viagra Generic	25mg	180 + 6 Pills	154.93€ 147.55€
Viagra Generic	25mg	360 + 10 Pills	213.68€ 203.50€

Talk to your pharmacist about take-back programs in your community. Visit the FDA's Safe Disposal of Medicines website for more information. In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911. Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling sildenafil citrate 150 mg red pill your prescription. Keep a written list of all of the prescription and nonprescription (over-the-counter) medicines, vitamins, minerals, and dietary supplements you are taking.

Formats available

Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling sildenafil citrate 150 mg red pill your prescription. Keep a written list of all of the prescription and nonprescription (over-the-counter) medicines, vitamins, minerals, and dietary supplements you are taking. Bring this list with you each time you visit a doctor or if you are admitted to the hospital. You should carry the list with you in case of emergencies.

How sildenafil is used

[1][2][4][5][7][8][10][24][27][33][41][56][57][67][91][131] Brand Name: Vybrique, ViagraClasses: Phosphodiesterase Type 5 Inhibitors (24:08.12), Phosphodiesterase type 5 inhibitors (48:48.24) Sildenafil citrate (Viagra® and generic equivalents) is used orally for the treatment of erectile dysfunction (ED, impotence). [1][4][6][7][8][9][10][25][33][34][67][81][102][104][105][107][108][112][118][126][127][128][129][130][131][132][133][134][140][142][143][144][189] A thorough medical, sexual and psychosocial history, physical examination, and selective laboratory testing should be undertaken to diagnose ED, determine potential underlying causes, exclude potentially reversible or treatable causes (e.g., hypogonadism with inadequate testosterone replacement, hyperprolactinemia, drug-induced dysfunction, dyslipidemias, alcoholism, other substance abuse, hypertension, thyroid disease, cardiovascular or cerebrovascular disease, neurologic disease, adrenal dysfunction, psychologic dysfunction, marital discord, smoking), and identify appropriate treatment in conjunction with or prior to initiating vasoactive therapy (e.g., PDE 5 type inhibitor). [12][28][30][31][57][65][66][70][78][83][94][144][145][160][161][189][601][602][603] A review of the patient's current drug regimens should be conducted to detect possible drug-induced ED (e.g., certain antihypertensive, antidepressant, antipsychotic, or antiarrhythmic agents); it may be possible to substitute alternative drug(s) that lessen the risk of such dysfunction. [12][28][70][81][118][144][161][602][603] In instances where substitution therapy is not feasible, concomitant vasoactive therapy with a PDE 5 type inhibitor may promote patient compliance by counteracting ED as an adverse effect. [12][28][70][81][118][144][161][602][603] Efficacy of sildenafil is variable in patients with ED, in part depending on the underlying etiology, severity, and dose employed, but the drug generally appears to be effective in restoring sexual function to an acceptable level in the majority of treated men. Bring this list with you each time you visit a doctor or if you are admitted to the hospital. You should carry the list with you in case of emergencies. [1][2][4][5][7][8][10][24][27][33][41][56][57][67][91][131] Brand Name: Vybrique, ViagraClasses: Phosphodiesterase Type 5 Inhibitors (24:08.12), Phosphodiesterase type 5 inhibitors (48:48.24) Sildenafil citrate (Viagra® and generic equivalents) is used orally for the treatment of erectile dysfunction (ED, impotence).

What is sildenafil?

Store the suspension at room temperature or in a refrigerator, but do not freeze it. Dispose of any unused suspension after 60 days. Keep all medication out of sight and reach of children as many containers are not child-resistant. Place the medication in a safe location – one that is up and away and out of their sight and reach. Dispose of unneeded medications in a way so that pets, children, and other people cannot take them.

Dosage for pulmonary arterial hypertension (PAH)

Do not flush this medication down the toilet. Talk to your pharmacist about take-back programs in your community. Visit the FDA's Safe Disposal of Medicines website for more information. In case of overdose, call the poison control helpline at 1-800-222-1222. Information is also available online at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at 911. [1][4][6][7][8][9][10][25][33][34][67][81][102][104][105][107][108][112][118][126][127][128][129][130][131][132][133][134][140][142][143][144][189] A thorough medical, sexual and psychosocial history, physical examination, and selective laboratory testing should be undertaken to diagnose ED, determine potential underlying causes, exclude potentially reversible or treatable causes (e.g., hypogonadism with inadequate testosterone replacement, hyperprolactinemia, drug-induced dysfunction, dyslipidemias, alcoholism, other substance abuse, hypertension, thyroid disease, cardiovascular or cerebrovascular disease, neurologic disease, adrenal dysfunction, psychologic dysfunction, marital discord, smoking), and identify appropriate treatment in conjunction with or prior to initiating vasoactive therapy (e.g., PDE 5 type inhibitor). [12][28][30][31][57][65][66][70][78][83][94][144][145][160][161][189][601][602][603] A review of the patient's current drug regimens should be conducted to detect possible drug-induced ED (e.g., certain antihypertensive, antidepressant, antipsychotic, or antiarrhythmic agents); it may be possible to substitute alternative drug(s) that lessen the risk of such dysfunction. [12][28][70][81][118][144][161][602][603] In instances where substitution therapy is not feasible, concomitant vasoactive therapy with a PDE 5 type inhibitor may promote patient compliance by counteracting ED as an adverse effect. [12][28][70][81][118][144][161][602][603] Efficacy of sildenafil is variable in patients with ED, in part depending on the underlying etiology, severity, and dose employed, but the drug generally appears to be effective in restoring sexual function to an acceptable level in the majority of treated men.

Contraindication	Explanation	Notes
Use with Nitrates	Can cause severe hypotension	Avoid concurrent use
Severe Cardiovascular Disease	Increased risk of adverse events	Consult a doctor before use
Hypotension (<90/60 mmHg)	Risk of dangerously low blood pressure	Avoid use in hypotensive patients

Sildenafil tablets can be found in various brand names like Viagra and generic versions.
The shelf life of sildenafil tablets is typically 2-3 years if stored properly.
Take sildenafil tablets approximately one hour before sexual activity for best results.

[1][33][105][145] In one flexible-dose study (dosage titration and maintenance up to 100 mg), mean scores for number of successful penetrations returned to normal in a subgroup of patients with psychogenic causes of ED; however, mean scores for maintenance of erections during intercourse in these men were lower than in untreated healthy men.

Population	Recommendations	Cautions
Elderly	Start with lower doses	Monitor for side effects
Patients with Kidney Disease	Adjust dosage as needed	Increased risk of side effects
Patients with Liver Disease	Dose adjustment possible	Reduced metabolism, caution

[33][34] In a study in men with ED secondary to radical prostatectomy receiving fixed-dose sildenafil (100 mg), response to therapy sildenafil oral solution was greatest in those who had undergone bilateral-nerve-sparing surgery than in those who had undergone unilateral or non-nerve-sparing procedures. [104][127] Pooled data from various clinical trials indicate that sildenafil improved the erections of 43% of patients with ED secondary to radical prostatectomy compared with 15% of those receiving placebo. [1][104] A pooled analysis of 10 placebo-controlled studies of men with severe ED (organic etiology in 60%, psychogenic in 15%, and mixed in 25% of patients) treated with sildenafil (50-100 mg in fixed- or flexible-dose studies) indicated that 48% of the patients usually had erections sufficient for intercourse (score of 4, with 0 being unsuccessful and 5 being almost always successful) after treatment with sildenafil, compared with 8% of those receiving placebo.

Sildenafil tablets can cause a sudden drop in blood pressure if combined with nitrates.
Proper hydration helps ensure the effectiveness of sildenafil tablets.
Reading the patient information leaflet helps understand the correct use of sildenafil.

[76][127] In several randomized, double-blind, placebo-controlled studies in patients receiving sildenafil (flexible doses up to 100 mg or fixed doses ranging from 10-100 mg for 12 weeks) for the treatment of ED attributed to complications of diabetes mellitus, complications of spinal cord injury, or psychogenic causes, 48, 59, or 70% of all attempts at intercourse were successful, respectively, compared with 12, 13, or 29% of all attempts in those receiving placebo.

Sildenafil is a PDE5 inhibitor specifically designed to treat erectile dysfunction.
Use sildenafil tablets only as prescribed; do not share your medication.
Contact your doctor if you notice an allergic reaction, such as swelling or rash.

[1][7][8][9][10][25][33][93] In these studies, sildenafil improved several aspects of sexual function including frequency, firmness, and maintenance of erection; frequency of orgasm; satisfaction and enjoyment of intercourse; and overall relationship satisfaction. [1][8][9][33][94][107][130][131][142] Pooled data from fixed- and flexible-dose studies indicate that sildenafil (50 or 100 mg) has no effect on sexual desire (i.e., rates of attempted intercourse, which averaged about 2 per week), but the rate of success increased to an average of 1.3 events per patient per week from 0.4 events per week with placebo.

6.2 Post-marketing Experience

What should I do if I miss a dose of sildenafil?

8.2 Lactation

Azole Antifungals

Sildenafil also has been effective in a limited number of men with temporary ED associated with the stress of providing a sperm sample (e.g., for intrauterine insemination or in vitro fertilization during assisted reproduction). [143] In men with a history of such temporary dysfunction, planned use of sildenafil for subsequent attempts at obtaining a sperm specimen may improve attainment of an erection adequate for self-stimulated ejaculation. While most males with ED respond to oral sildenafil therapy, treatment failures do occur; pooled data from various placebo-controlled, dose-response, or open-label studies (25-100 mg for 6-12 months) indicate that up to 5% of patients discontinued therapy because of lack of effectiveness. [1][7][33][69][93][104][107][128][131][132][163][165] Information on the long-term effects of sildenafil is limited, and thus the optimum duration of therapy is not known. [1][33][81][128][132] In clinical studies, sildenafil was used in patients ranging in age from 19-87 years of age with a duration of ED averaging 5 years. [1] In several long-term and open-label studies, sildenafil remained effective for at least 0.5-4 years, with no evidence of tachyphylaxis during long-term use, and current evidence indicates that continued therapy is necessary as long as the condition persists (i.e., sildenafil is not a cure for ED).

12.2 Pharmacodynamics

With the availability of orally active and convenient vasoactive (erectogenic) therapies (e.g., selective phosphodiesterase [PDE] type 5 inhibitors such as sildenafil, tadalafil, avanafil, and vardenafil), most experts (e.g., the American Urological Association [AUA]) now consider these drugs to be first-line therapies for a broad range of patients with ED. Because PDE type 5 inhibitors are administered orally, they are likely to be more acceptable to men with ED than other vasoactive therapies (e.g., intracavernosal injections, intraurethral suppositories) or mechanical or prosthetic devices.

Incidence not known

The safety and efficacy of sildenafil in combination with other treatments for ED have not been established.

Why is this medication prescribed?

[1][8][33][131] In part, the absence of an effect on sexual desire may be attributed to the fact that men enrolling in ED studies generally have a near-normal level of sexual desire upon study entry. [33][107][130][131] Improvement in erectile function sufficient for successful intercourse 50 mg sildenafil price can be achieved with sildenafil in a substantial percentage of patients with ED, and the strength and duration of erection achieved with the drug in such patients approached those achieved in untreated healthy men. Sildenafil also has been effective in a limited number of men with temporary ED associated with the stress of providing a sperm sample (e.g., for intrauterine insemination or in vitro fertilization during assisted reproduction). [143] In men with a history of such temporary dysfunction, planned use of sildenafil for subsequent attempts at obtaining a sperm specimen may improve attainment of an erection adequate for self-stimulated ejaculation. While most males with ED respond to oral sildenafil therapy, treatment failures do occur; pooled data from various placebo-controlled, dose-response, or open-label studies (25-100 mg for 6-12 months) indicate that up to 5% of patients discontinued therapy because of lack of effectiveness.

Sildenafil side effects

[1][7][33][69][93][104][107][128][131][132][163][165] Information on the long-term effects of sildenafil is limited, and thus the optimum duration of therapy is not known. [1][33][81][128][132] In clinical studies, sildenafil was used in patients ranging in age from 19-87 years of age with a duration of ED averaging 5 years. [1] In several long-term and open-label studies, sildenafil remained effective for at least 0.5-4 years, with no evidence of tachyphylaxis during long-term use, and current evidence indicates that continued therapy is necessary as long as the condition persists (i.e., sildenafil is not a cure for ED). The safety and efficacy of sildenafil in combination with other treatments for ED have not been established. [1] Such combined therapy may further lower blood pressure and is not recommended by the manufacturer. [1] Such combined therapy may further lower blood pressure and is not recommended by the manufacturer.

Dose (mg)	Typical Usage Frequency	Onset of Action	Duration of Effect
25	As needed, 1 time/day	30-60 minutes	Up to 4 hours
50	As needed, 1-2 times/day	30-60 minutes	Up to 6 hours
100	As needed, 1 time/day	30-60 minutes	Up to 4-6 hours

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