• Use with strong CYP3A inhibitors: Not recommended. Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets.

5.6 Combination with Other PDE-5 inhibitors

Phosphodiesterase-5 (PDE5) inhibitors, including sildenafil, may potentiate the hypotensive effects of riociguat. 5 WARNINGS AND PRECAUTIONS 5.1 HypotensionSildenafil citrate has vasodilatory properties, resulting in mild and transient decreases in sildenafil tables blood pressure. Before prescribing sildenafil tablets, carefully consider whether patients with certain underlying conditions could be adversely affected by such vasodilatory effects (e.g., patients on antihypertensive therapy or with resting hypotension [blood pressure less than 90/50], fluid depletion, severe left ventricular outflow obstruction, or autonomic dysfunction). Monitor blood pressure when co-administering blood pressure lowering drugs with sildenafil citrate.5.2 Worsening Pulmonary Vascular Occlusive DiseasePulmonary vasodilators may significantly worsen the cardiovascular status of patients with pulmonary veno-occlusive disease (PVOD). Since there are no clinical data on administration of sildenafil citrate to patients with veno-occlusive disease, administration of sildenafil citrate to such patients is not recommended.

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Should signs of pulmonary edema occur when sildenafil citrate is administered, consider the possibility of associated PVOD.5.3 EpistaxisThe incidence of epistaxis was 13% in patients taking sildenafil citrate with PAH secondary to CTD. The incidence of epistaxis was also higher in sildenafil-treated patients with a concomitant oral vitamin K antagonist (9% versus 2% in those not treated with concomitant vitamin K antagonist).The safety of sildenafil citrate is unknown in patients with bleeding disorders or active peptic ulceration.5.4 Visual LossWhen used to treat erectile dysfunction, non-arteritic anterior ischemic optic neuropathy (NAION), a cause of decreased vision including permanent loss of vision, has been reported postmarketing in temporal association with the use of PDE-5 inhibitors, including sildenafil. Most patients had underlying anatomic or vascular risk factors for developing NAION, including low cup to disc ratio (“crowded disc”).Advise patients to seek immediate medical attention in the event of a sudden loss of vision in one or both eyes while taking sildenafil citrate.There are no controlled clinical data on the safety or efficacy of sildenafil citrate in patients with retinitis pigmentosa, a minority of whom have genetic disorders of retinal phosphodiesterases. Therefore, use of sildenafil citrate in patients with retinitis pigmentosa is not recommended.5.5 Hearing LossCases of sudden decrease or loss of hearing, which may be accompanied by tinnitus and dizziness, have been reported in temporal association with the use of PDE-5 inhibitors, including sildenafil citrate. It is not possible to determine whether these reported events are related directly to the use of sildenafil citrate, to the patient's underlying risk factors for hearing loss, a combination of these factors, or to other factors.Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking PDE-5 inhibitors, including sildenafil tablets.5.6 Combination with other PDE-5 inhibitorsSildenafil is also marketed as VIAGRA ®. 1 INDICATIONS AND USAGE AdultsSildenafil tablets are indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and delay clinical worsening [ see Clinical Studies ( 14) ].Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets. Sildenafil tablets are indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and delay clinical worsening [ see Clinical Studies ( 14) ].

Drug Class Interaction Effect
Nitrates Dangerous drop in blood pressure
Alpha-Blockers Enhanced hypotensive effect
CYP3A4 inhibitors (e.g., ketoconazole, erythromycin) Increased sildenafil levels
Other PDE5 inhibitors Risk of overdose and side effects

2 DOSAGE AND ADMINISTRATION 2.1 Recommended Dosage in AdultsOral DosageThe recommended dosage of sildenafil tablets are 20 mg three times a day.

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[see Clinical Studies ( 14)]Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets. The recommended dosage of sildenafil tablets are 20 mg three times a day. 4 CONTRAINDICATIONS Sildenafil citrate is contraindicated in patients with:Concomitant use of organic nitrates in any form, either regularly or intermittently, because of the greater risk of hypotension [see Warnings and Precautions ( 5.1)] .Concomitant use of riociguat, a guanylate cyclase stimulator. Phosphodiesterase-5 (PDE5) inhibitors, including sildenafil, may potentiate the hypotensive effects of riociguat.Known hypersensitivity to sildenafil or any component of the tablet. Sildenafil citrate is contraindicated in patients with: Concomitant use of organic nitrates in any form, either regularly or intermittently, because of the greater risk of hypotension [see Warnings and Precautions ( 5.1)] .

  • Sildenafil film tablets are available by prescription only.
  • They may interact with nitrates, causing dangerous blood pressure drops.
  • Alcohol can impair the effectiveness of these tablets.

Phosphodiesterase-5 (PDE5) inhibitors, including sildenafil, may potentiate the hypotensive effects of riociguat. 5 WARNINGS AND PRECAUTIONS 5.1 HypotensionSildenafil citrate has vasodilatory properties, resulting in mild and transient decreases in sildenafil tables blood pressure. Before prescribing sildenafil tablets, carefully consider whether patients with certain underlying conditions could be adversely affected by such vasodilatory effects (e.g., patients on antihypertensive therapy or with resting hypotension [blood pressure less than 90/50], fluid depletion, severe left ventricular outflow obstruction, or autonomic dysfunction).

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There are no controlled clinical data on the safety or efficacy of sildenafil citrate in patients with retinitis pigmentosa, a minority of whom have genetic disorders of retinal phosphodiesterases. Therefore, use of sildenafil citrate in patients with retinitis pigmentosa is not recommended. Cases of sudden decrease or loss of hearing, which may be accompanied by tinnitus and dizziness, have been reported in temporal association with the use of PDE-5 inhibitors, including sildenafil citrate. It is not possible to determine whether these reported events are related directly to the use of sildenafil citrate, to the patient's underlying risk factors for hearing loss, a combination of these factors, or to other factors. Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking PDE-5 inhibitors, including sildenafil tablets.

8.4 Pediatric Use

In a small, prematurely terminated study of patients with pulmonary hypertension (PH) secondary to sickle cell disease, vaso-occlusive crises requiring hospitalization were more commonly reported by patients who received sildenafil citrate than by those randomized to placebo. 6 ADVERSE REACTIONS The following serious adverse events are discussed elsewhere in the labeling:Hypotension [see Warnings and Precautions ( 5.1)]Vision Loss [see Warnings and Precautions ( 5.4)]Hearing Loss [see Warnings and Precautions ( 5.5)]Priapism [see Warnings and Precautions ( 5.7)]Vaso-occlusive Crisis in Patients with Pulmonary Hypertension Secondary to Sickle Cell Disease [see Warnings and Precautions ( 5.8) ]6.1 Clinical Trials ExperienceBecause clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.In a 12-week, placebo-controlled clinical study and an open-label extension study (SUPER-1) in 277 sildenafil citrate-treated adults with PAH (WHO Group I) [see Clinical Studies (14)] the adverse reactions that were reported by at least 10% of sildenafil citrate-treated patients in any dosing group, and were more frequent in sildenafil citrate-treated patients than in placebo-treated patients are shown in Table 1. The overall frequency of discontinuation in sildenafil citrate-treated patients was 3% (20 mg and 40 mg three times a day) and 8% (80 mg three times a day). The overall frequency of discontinuation for placebo was 3%.In a placebo-controlled fixed dose titration study (PACES-1) of sildenafil citrate (starting with recommended dose of 20 mg and increased to 40 mg and then 80 mg all three times a day) as an adjunct to intravenous epoprostenol in patients with PAH, no new safety issues were identified except for edema, which occurred in 25% of subjects in the combined sildenafil citrate + epoprostenol group compared with 13% of subjects in the epoprostenol group [ see Clinical Studies ( 14) ].Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets. Monitor blood pressure when co-administering blood pressure lowering drugs with sildenafil citrate.5.2 Worsening Pulmonary Vascular Occlusive DiseasePulmonary vasodilators may significantly worsen the cardiovascular status of patients with pulmonary veno-occlusive disease (PVOD). Since there are no clinical data on administration of sildenafil citrate to patients with veno-occlusive disease, administration of sildenafil citrate to such patients is not recommended. Should signs of pulmonary edema occur when sildenafil citrate is administered, consider the possibility of associated PVOD.5.3 EpistaxisThe incidence of epistaxis was 13% in patients taking sildenafil citrate with PAH secondary to CTD. The incidence of epistaxis was also higher in sildenafil-treated patients with a concomitant oral vitamin K antagonist (9% versus 2% in those not treated with concomitant vitamin K antagonist).The safety of sildenafil citrate is unknown in patients with bleeding disorders or active peptic ulceration.5.4 Visual LossWhen used to treat erectile dysfunction, non-arteritic anterior ischemic optic neuropathy (NAION), a cause of decreased vision including permanent loss of vision, has been reported postmarketing in temporal association with the use of PDE-5 inhibitors, including sildenafil. Most patients had underlying anatomic or vascular risk factors for developing NAION, including low cup to disc ratio (“crowded disc”).Advise patients to seek immediate medical attention in the event of a sudden loss of vision in one or both eyes while taking sildenafil citrate.There are no controlled clinical data on the safety or efficacy of sildenafil citrate in patients with retinitis pigmentosa, a minority of whom have genetic disorders of retinal phosphodiesterases.

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Inform patients taking sildenafil tablets not to take VIAGRA or other PDE-5 inhibitors.5.7 PriapismUse sildenafil citrate with caution in patients with anatomical deformation of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie's disease) or in patients who have conditions, which may predispose them to priapism (e.g., sickle cell anemia, multiple myeloma, or leukemia). If priapism (painful erection greater than 6 hours in duration) is not treated immediately, penile tissue damage and permanent loss of potency could result.5.8 Vaso-occlusive Crisis in Patients with Pulmonary Hypertension Secondary to Sickle Cell DiseaseIn a small, prematurely terminated study of patients with pulmonary hypertension (PH) secondary to sickle cell disease, vaso-occlusive crises requiring hospitalization were more commonly reported by patients who received sildenafil citrate than by those randomized to placebo. The effectiveness and safety of sildenafil chewable tablets sildenafil citrate in the treatment of PH secondary to sickle cell disease has not been established. Sildenafil citrate has vasodilatory properties, resulting in mild and transient decreases in blood pressure. Monitor blood pressure when co-administering blood pressure lowering drugs with sildenafil citrate.

12.1 Sildenafil Oral Film Mechanism of Action

Should signs of pulmonary edema occur when sildenafil citrate is administered, consider the possibility of associated PVOD. The incidence of epistaxis was 13% in patients taking sildenafil citrate with PAH secondary to CTD. The safety of sildenafil citrate is unknown in patients with bleeding disorders or active peptic ulceration. When used to treat erectile dysfunction, non-arteritic anterior ischemic optic neuropathy (NAION), a cause of decreased vision including permanent loss of vision, has been reported postmarketing in temporal association with the use of PDE-5 inhibitors, including sildenafil. Advise patients to seek immediate medical attention in the event of a sudden loss of vision in one or sildenafil 200 mg both eyes while taking sildenafil citrate. Therefore, use of sildenafil citrate in patients with retinitis pigmentosa is not recommended.5.5 Hearing LossCases of sudden decrease or loss of hearing, which may be accompanied by tinnitus and dizziness, have been reported in temporal association with the use of PDE-5 inhibitors, including sildenafil citrate. It is not possible to determine whether these reported events are related directly to the use of sildenafil citrate, to the patient's underlying risk factors for hearing loss, a combination of these factors, or to other factors.Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking PDE-5 inhibitors, including sildenafil tablets.5.6 Combination with other PDE-5 inhibitorsSildenafil is also marketed as VIAGRA ®. Inform patients taking sildenafil tablets not to take VIAGRA or other PDE-5 inhibitors.5.7 PriapismUse sildenafil citrate with caution in patients with anatomical deformation of the penis (e.g., angulation, cavernosal fibrosis, or Peyronie's disease) or in patients who have conditions, which may predispose them to priapism (e.g., sickle cell anemia, multiple myeloma, or leukemia).

  • Possible interactions include medications for HIV, antibiotics, and blood pressure.
  • Overdose symptoms include severe headaches and chest pain.
  • Seek immediate medical attention if adverse reactions occur.

If priapism (painful erection greater than 6 hours in duration) is not treated immediately, penile tissue damage and permanent loss of potency could result.5.8 Vaso-occlusive Crisis in Patients with Pulmonary Hypertension Secondary to Sickle Cell DiseaseIn a small, prematurely terminated study of patients with pulmonary hypertension (PH) secondary to sickle cell disease, vaso-occlusive crises requiring hospitalization were more commonly reported by patients who received sildenafil citrate than by those randomized to placebo.

  • Sildenafil tablets should not be combined with certain medications like alpha-blockers.
  • A healthcare provider will determine the appropriate dosage.
  • Follow prescribed instructions precisely for safety.

The effectiveness and safety of sildenafil chewable tablets sildenafil citrate in the treatment of PH secondary to sickle cell disease has not been established. Sildenafil citrate has vasodilatory properties, resulting in mild and transient decreases in blood pressure. Monitor blood pressure when co-administering blood pressure lowering drugs with sildenafil citrate.

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Should signs of pulmonary edema occur when sildenafil citrate is administered, consider the possibility of associated PVOD. The incidence of epistaxis was 13% in patients taking sildenafil citrate with PAH secondary to CTD. The safety of sildenafil citrate is unknown in patients with bleeding disorders or active peptic ulceration. When used to treat erectile dysfunction, non-arteritic anterior ischemic optic neuropathy (NAION), a cause of decreased vision including permanent loss of vision, has been reported postmarketing in temporal association with the use of PDE-5 inhibitors, including sildenafil. Advise patients to seek immediate medical attention in the event of a sudden loss of vision in one or sildenafil 200 mg both eyes while taking sildenafil citrate. There are no controlled clinical data on the safety or efficacy of sildenafil citrate in patients with retinitis pigmentosa, a minority of whom have genetic disorders of retinal phosphodiesterases. Therefore, use of sildenafil citrate in patients with retinitis pigmentosa is not recommended. Cases of sudden decrease or loss of hearing, which may be accompanied by tinnitus and dizziness, have been reported in temporal association with the use of PDE-5 inhibitors, including sildenafil citrate. It is not possible to determine whether these reported events are related directly to the use of sildenafil citrate, to the patient's underlying risk factors for hearing loss, a combination of these factors, or to other factors. Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking PDE-5 inhibitors, including sildenafil tablets. In a small, prematurely terminated study of patients with pulmonary hypertension (PH) secondary to sickle cell disease, vaso-occlusive crises requiring hospitalization were more commonly reported by patients who received sildenafil citrate than by those randomized to placebo. 6 ADVERSE REACTIONS The following serious adverse events are discussed elsewhere in the labeling:Hypotension [see Warnings and Precautions ( 5.1)]Vision Loss [see Warnings and Precautions ( 5.4)]Hearing Loss [see Warnings and Precautions ( 5.5)]Priapism [see Warnings and Precautions ( 5.7)]Vaso-occlusive Crisis in Patients with Pulmonary Hypertension Secondary to Sickle Cell Disease [see Warnings and Precautions ( 5.8) ]6.1 Clinical Trials ExperienceBecause clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.In a 12-week, placebo-controlled clinical study and an open-label extension study (SUPER-1) in 277 sildenafil citrate-treated adults with PAH (WHO Group I) [see Clinical Studies (14)] the adverse reactions that were reported by at least 10% of sildenafil citrate-treated patients in any dosing group, and were more frequent in sildenafil citrate-treated patients than in placebo-treated patients are shown in Table 1. The overall frequency of discontinuation in sildenafil citrate-treated patients was 3% (20 mg and 40 mg three times a day) and 8% (80 mg three times a day).

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• Use with strong CYP3A inhibitors: Not recommended. Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets. 1 INDICATIONS AND USAGE AdultsSildenafil tablets are indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and delay clinical worsening [ see Clinical Studies ( 14) ].Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets. Sildenafil tablets are indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and delay clinical worsening [ see Clinical Studies ( 14) ]. 2 DOSAGE AND ADMINISTRATION 2.1 Recommended Dosage in AdultsOral DosageThe recommended dosage of sildenafil tablets are 20 mg three times a day.

Does sildenafil interact with foods or drinks?

[see Clinical Studies ( 14)]Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets. The recommended dosage of sildenafil tablets are 20 mg three times a day. 4 CONTRAINDICATIONS Sildenafil citrate is contraindicated in patients with:Concomitant use of organic nitrates in any form, either regularly or intermittently, because of the greater risk of hypotension [see Warnings and Precautions ( 5.1)] .Concomitant use of riociguat, a guanylate cyclase stimulator. Phosphodiesterase-5 (PDE5) inhibitors, including sildenafil, may potentiate the hypotensive effects of riociguat.Known hypersensitivity to sildenafil or any component of the tablet. Sildenafil citrate is contraindicated in patients with: Concomitant use of organic nitrates in any form, either regularly or intermittently, because of the greater risk of hypotension [see Warnings and Precautions ( 5.1)] . The overall frequency of discontinuation for placebo was 3%.In a placebo-controlled fixed dose titration study (PACES-1) of sildenafil citrate (starting with recommended dose of 20 mg and increased to 40 mg and then 80 mg all three times a day) as an adjunct to intravenous epoprostenol in patients with PAH, no new safety issues were identified except for edema, which occurred in 25% of subjects in the combined sildenafil citrate + epoprostenol group compared with 13% of subjects in the epoprostenol group [ see Clinical Studies ( 14) ].Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) tablets.