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Inform patients taking sildenafil citrate 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).
- The availability of sildenafil generics has increased global access to ED treatment.
- Some brands may market sildenafil as "sildenafil citrate" on packaging.
- Patients must be aware of counterfeit products when purchasing online.
- Online pharmacies require proper prescriptions for genuine sildenafil generics.
- Use caution if purchasing sildenafil generics from unauthorized vendors.
- Consult healthcare providers for the best generic sildenafil brand suited for you.
In the event of an erection that persists longer than 4 hours, the patient should seek immediate medical assistance. 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 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. Pulmonary vasodilators may significantly worsen the cardiovascular status of patients with pulmonary veno-occlusive disease (PVOD). 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 incidence of epistaxis was also higher in sildenafil citrate-treated patients with a concomitant oral vitamin K antagonist (9% versus 2% in those not treated with concomitant vitamin K antagonist).
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The 150mg sildenafil for sale 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 post-marketing 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”).
| Question | Answer | Notes |
|---|---|---|
| Are generic sildenafil safety? | Yes, when purchased from reputable sources | Approved by health authorities |
| How soon does it work? | Usually within 30-60 minutes | Varies individually |
| Can I take it daily? | Typically not; consult doctor for long-term use | Usually intended for occasional use |
| Are there natural alternatives? | Some herbal remedies, but efficacy is unproven | Consult healthcare provider |
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.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Kamagra Oral Jelly | 100mg | 220 + 18 Sachets | 662.24€ 630.70€ | |
| Kamagra Oral Jelly | 100mg | 10 Sachets | 54.55€ 51.95€ | |
| Kamagra Polo | 100mg | 20 Pills | 83.56€ 79.58€ | |
| Kamagra Oral Jelly | 100mg | 63 + 7 Sachets | 224.18€ 213.50€ | |
| Viagra Generic | 50mg | 180 + 8 Pills | 158.82€ 151.26€ | |
| Viagra Generic | 100mg | 10 Pills | 28.91€ 27.53€ | |
| Viagra Generic | 200mg | 180 + 10 Pills | 277.56€ 264.34€ | |
| Viagra Generic | 100mg | 180 + 8 Pills | 199.37€ 189.88€ | |
| Kamagra Polo | 100mg | 180 + 8 Pills | 446.52€ 425.26€ | |
| Kamagra Soft Tabs | 100mg | 12 Pills | 57.55€ 54.81€ | |
| Viagra Generic | 200mg | 270 + 10 Pills | 379.76€ 361.68€ | |
| Viagra Generic | 150mg | 20 Pills | 55.02€ 52.40€ | |
| Viagra Generic | 50mg | 270 + 8 Pills | 198.48€ 189.03€ | |
| Viagra Generic | 100mg | 60 + 4 Pills | 96.36€ 91.77€ | |
| Viagra Generic | 25mg | 180 + 6 Pills | 154.93€ 147.55€ |
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.
| Side Effect | Frequency | Severity | Recommended Action |
|---|---|---|---|
| Headache | Common | Mild | Over-the-counter analgesics |
| Flushing | Common | Mild | Cooling measures |
| Dizziness | Less common | Mild | Rest, caution while standing |
| Nasal Congestion | Common | Mild | Decongestants as advised |
| Visual Disturbance | Rare | Mild | Seek medical advice if persists |
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 sildenafil citrate 100mg tablets 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 citrate. Inform patients taking sildenafil citrate not to take VIAGRA or other PDE-5 inhibitors.
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If priapism (painful erection greater than 6 hours in duration) is not treated immediately, penile tissue damage and permanent loss of potency could result.
- Sildenafil generic is a cheaper alternative to Viagra for erectile dysfunction treatment.
- Generic sildenafil contains the same active ingredient as branded versions.
- It is approved by regulatory authorities like the FDA for safety and efficacy.
- Generic sildenafil is available in various dosages, typically 25mg, 50mg, and 100mg.
- The availability of sildenafil generics increases affordability for many patients.
- Always purchase from reputable pharmacies to ensure genuine medication.
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.
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Others were reported to have occurred hours to days after use concurrent with sexual activity. It is not possible to determine whether these events are related directly to sildenafil, to sexual activity, to the patient’s underlying cardiovascular disease, or to a combination of these or other factors.Nervous SystemSeizure, seizure recurrenceOphthalmologicNAION [see Warnings and Precautions (5.4), Patient Counseling Information (17)] . 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)] Because 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 for placebo was 3%.
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Table 1: Most Common Adverse Reactions in Patients Treated with Sildenafil Citrate 20 mg and Placebo three times per day in SUPER-1 (More Frequent in Sildenafil Citrate -Treated Patients than Placebo-Treated Patients) 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)] . The following adverse reactions have been identified during post approval use of sildenafil (marketed for both PAH and erectile dysfunction). Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.
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Adverse reactions were generally transient and mild to moderate in nature. The overall frequency of discontinuation in sildenafil citrate -treated patients was 3% (20 mg and 40 mg three times a day). The overall frequency of discontinuation for placebo was 3%.Table 1: Most Common Adverse Reactions in Patients Treated with Sildenafil Citrate 20 mg and Placebo three times per day in SUPER-1 (More Frequent in Sildenafil Citrate -Treated Patients than Placebo-Treated Patients)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.
- Sildenafil generic is classified as a phosphodiesterase type 5 inhibitor.
- It can be prescribed for pulmonary hypertension as well as erectile dysfunction.
- The drug should not be combined with nitrates due to severe blood pressure drops.
- Overdose symptoms include severe hypotension, dizziness, and vision changes.
- Storage should be in a cool, dry place away from children and pets.
- Always follow the prescribed dosage and do not exceed recommended limits.
However, due to Viatris Specialty LLC’s marketing exclusivity rights, this drug product is not labeled with that information.6.2 Post-marketing ExperienceThe following adverse reactions have been identified during post approval use of sildenafil (marketed for both PAH and erectile dysfunction). Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.Cardiovascular EventsIn post-marketing experience with sildenafil at doses indicated for erectile dysfunction, serious cardiovascular, cerebrovascular, and vascular events, including myocardial infarction, sudden cardiac death, ventricular arrhythmia, cerebrovascular hemorrhage, transient ischemic attack, hypertension, pulmonary hemorrhage, and subarachnoid and intracerebral hemorrhages have been reported in temporal association with the use of the drug. Most, but not all, of these patients had preexisting cardiovascular risk factors. Many of these events were reported to sildenafil 50 mg tab occur during or shortly after sexual activity, and a few were reported to occur shortly after the use of sildenafil without sexual activity.
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Inform patients taking sildenafil citrate 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). In the event of an erection that persists longer than 4 hours, the patient should seek immediate medical assistance. 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 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.
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Monitor blood pressure when co-administering blood pressure lowering drugs with sildenafil citrate. Pulmonary vasodilators may significantly worsen the cardiovascular status of patients with pulmonary veno-occlusive disease (PVOD). 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 incidence of epistaxis was also higher in sildenafil citrate-treated patients with a concomitant oral vitamin K antagonist (9% versus 2% in those not treated with concomitant vitamin K antagonist).
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The 150mg sildenafil for sale 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 post-marketing 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. Others were reported to have occurred hours to days after use concurrent with sexual activity. It is not possible to determine whether these events are related directly to sildenafil, to sexual activity, to the patient’s underlying cardiovascular disease, or to a combination of these or other factors.Nervous SystemSeizure, seizure recurrenceOphthalmologicNAION [see Warnings and Precautions (5.4), Patient Counseling Information (17)] .
| Form | Strength Options | Typical Usage Duration | Packaging Types |
|---|---|---|---|
| Tablets | 25 mg, 50 mg, 100 mg | 4-6 hours | Blister packs, bottles |
| Chewables | 50 mg, 100 mg | 4-6 hours | Blister packs |
| Sublingual | 25 mg, 50 mg | 4-6 hours | Little strips |
| Topical Gel | Not commonly available | N/A | N/A |
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)] Because 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 for placebo was 3%.
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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 sildenafil citrate 100mg tablets 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 citrate. Inform patients taking sildenafil citrate not to take VIAGRA or other PDE-5 inhibitors.
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If priapism (painful erection greater than 6 hours in duration) is not treated immediately, penile tissue damage and permanent loss of potency could result. 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. Adverse reactions were generally transient and mild to moderate in nature. The overall frequency of discontinuation in sildenafil citrate -treated patients was 3% (20 mg and 40 mg three times a day).
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The overall frequency of discontinuation for placebo was 3%.Table 1: Most Common Adverse Reactions in Patients Treated with Sildenafil Citrate 20 mg and Placebo three times per day in SUPER-1 (More Frequent in Sildenafil Citrate -Treated Patients than Placebo-Treated Patients)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. However, due to Viatris Specialty LLC’s marketing exclusivity rights, this drug product is not labeled with that information.6.2 Post-marketing ExperienceThe following adverse reactions have been identified during post approval use of sildenafil (marketed for both PAH and erectile dysfunction). Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.Cardiovascular EventsIn post-marketing experience with sildenafil at doses indicated for erectile dysfunction, serious cardiovascular, cerebrovascular, and vascular events, including myocardial infarction, sudden cardiac death, ventricular arrhythmia, cerebrovascular hemorrhage, transient ischemic attack, hypertension, pulmonary hemorrhage, and subarachnoid and intracerebral hemorrhages have been reported in temporal association with the use of the drug. Most, but not all, of these patients had preexisting cardiovascular risk factors. Many of these events were reported to sildenafil 50 mg tab occur during or shortly after sexual activity, and a few were reported to occur shortly after the use of sildenafil without sexual activity. Table 1: Most Common Adverse Reactions in Patients Treated with Sildenafil Citrate 20 mg and Placebo three times per day in SUPER-1 (More Frequent in Sildenafil Citrate -Treated Patients than Placebo-Treated Patients) 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)] . The following adverse reactions have been identified during post approval use of sildenafil (marketed for both PAH and erectile dysfunction). Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.