FDA Approves New Generic Vardenafil Hydrochloride Tablets
[see DOSAGE AND ADMINISTRATION and WARNINGS AND PRECAUTIONS] The maximum dose of LEVITRA for which human data are available is a single 120 mg dose administered to healthy male volunteers. The majority of these subjects experienced reversible back pain/myalgia and/or “abnormal vision.” Single doses up to 80 mg vardenafil and multiple doses up to 40 mg vardenafil administered once daily over 4 weeks were tolerated without producing serious adverse side effects. When 40 mg of vardenafil was administered twice daily, cases of severe back pain were observed. No muscle or neurological toxicity was identified. In cases of overdose, standard supportive measures should be taken as required. Renal dialysis is not expected to accelerate clearance as vardenafil is highly bound to plasma proteins and not significantly eliminated in the urine. Administration of LEVITRA with nitrates (either regularly and/or intermittently) and nitric oxide donors is contraindicated [see CLINICAL PHARMACOLOGY].
- Generic Levitra 20mg is used to treat erectile dysfunction in men.
- It contains the active ingredient Vardenafil, similar to Levitra brand.
- Typically taken orally about 30 minutes before sexual activity.
- The effects can last up to 4-5 hours per dose.
- Do not consume more than one tablet in 24 hours.
- Consult a doctor before use if taking nitrates or other medications.
- Possible side effects include headaches, flushing, and dizziness.
- Do not use if you have a history of heart problems without medical advice.
- Store in a cool, dry place away from children.
- Generic variants offer a cost-effective alternative to brand-name Levitra.
- The medication enhances blood flow to the penis for improved erection.
- Overdose may cause serious side effects like prolonged erection or chest pain.
Consistent with the effects of PDE5 inhibition on the nitric oxide/cyclic guanosine monophosphate pathway, PDE5 inhibitors, including LEVITRA, may potentiate the hypotensive effects of nitrates.
Side Effects for Levitra
Vardenafil may add to the blood pressure lowering effects of antihypertensive agents [see DRUG INTERACTIONS]. A study was conducted in which the blood pressure and heart rate response to 0.4 mg nitroglycerin (NTG) sublingually was evaluated in 18 healthy subjects following pretreatment with LEVITRA 20 mg at various times before NTG administration. LEVITRA 20 mg caused an additional time-related reduction in blood pressure and increase in heart rate in association with NTG administration. The blood pressure effects were observed when LEVITRA 20 mg was dosed 1 or 4 hours before NTG and the heart rate effects were observed when 20 mg was dosed 1, 4, or 8 hours before NTG. Additional blood pressure and heart rate changes were not detected when LEVITRA 20 mg was dosed 24 hours before NTG.
What are the serious side effects of vardenafil?
Figure 1: Placebo-subtracted point estimates (with 90% CI) of mean maximal blood pressure and heart rate effects of pre-dosing with vardenafil 20 mg at 24, 8, 4, and 1 hour before 0.4 mg NTG sublingually Because the disease state of patients requiring nitrate therapy is anticipated to increase the likelihood of hypotension, the use of vardenafil by patients on nitrate therapy or on nitric oxide donors is contraindicated [see CONTRAINDICATIONS]. Blood Pressure Effects in Patients on Stable mail order levitra online Alpha-Blocker Treatment Three clinical pharmacology studies were conducted in patients with benign prostatic hyperplasia (BPH) on stable-dose alpha-blocker treatment, consisting of alfuzosin, tamsulosin or terazosin. This study was designed to evaluate the effect of 5 mg vardenafil compared to placebo when administered to BPH patients on chronic alpha-blocker therapy in two separate cohorts: tamsulosin 0.4 mg daily (cohort 1, n=21) and terazosin 5 or 10 mg daily (cohort 2, n=21). The design was a randomized, double blind, cross-over study with four treatments: vardenafil 5 mg or placebo administered simultaneously with the alpha-blocker and vardenafil 5 mg or placebo administered 6 hours after the alpha-blocker. Blood pressure and pulse were evaluated over the 6-hour interval after vardenafil dosing. A suitable time interval following dosing of LEVITRA for the safe administration of nitrates or nitric oxide donors has not been determined. Do not use LEVITRA in patients who are using a GC stimulator, such as riociguat. PDE5 inhibitors, including LEVITRA may potentiate the hypotensive effects of GC stimulators. Penile erection is a hemodynamic process initiated by the relaxation of smooth muscle in the corpus cavernosum and its associated arterioles. During sexual stimulation, nitric oxide is released levitra generic no prescription from nerve endings and endothelial cells in the corpus cavernosum. Nitric oxide activates the enzyme guanylate cyclase resulting in increased synthesis of cyclic guanosine monophosphate (cGMP) in the smooth muscle cells of the corpus cavernosum. The cGMP in turn triggers smooth muscle relaxation, allowing increased blood flow into the penis, resulting in erection. The tissue concentration of cGMP is regulated by both the rates of synthesis and degradation via phosphodiesterases (PDEs). The most abundant PDE in the human corpus cavernosum is the cGMP-specific phosphodiesterase type 5 (PDE5); therefore, the inhibition of PDE5 enhances erectile function by increasing the amount of cGMP. Because sexual stimulation is required to initiate the local release of nitric oxide, the inhibition of PDE5 has no effect in the absence of sexual stimulation. In vitro studies have shown that vardenafil is a selective inhibitor of PDE5. The inhibitory effect of vardenafil is more selective on PDE5 than for other known phosphodiesterases (>15-fold relative to PDE6, >130-fold relative to PDE1, >300-fold relative to PDE11, and >1,000-fold relative to PDE2, 3, 4, 7, 8, 9, and 10). Vardenafil may add to the blood pressure lowering effects of antihypertensive agents [see DRUG INTERACTIONS].
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Levitra Professional | 20mg | 30 Pills | 119.12€ 113.45€ | |
| Levitra Original | 20mg | 4 Pills | 45.87€ 43.69€ | |
| Levitra Generic | 40mg | 270 + 10 Pills | 561.89€ 535.13€ | |
| Levitra Generic | 60mg | 360 + 10 Pills | 906.69€ 863.51€ | |
| Levitra Original | 20mg | 64 + 4 Pills | 298.45€ 284.24€ | |
| Levitra Original | 20mg | 14 + 2 Pills | 102.27€ 97.40€ | |
| Levitra Generic | 40mg | 10 Pills | 41.37€ 39.40€ | |
| Levitra Original | 20mg | 34 + 2 Pills | 188.51€ 179.53€ | |
| Levitra Generic | 40mg | 30 + 2 Pills | 93.58€ 89.12€ | |
| Levitra Generic | 10mg | 10 Pills | 28.93€ 27.55€ | |
| Levitra Generic | 60mg | 120 + 8 Pills | 372.33€ 354.60€ | |
| Levitra Generic | 10mg | 20 Pills | 46.54€ 44.32€ | |
| Levitra Generic | 20mg | 120 + 10 Pills | 224.15€ 213.48€ | |
| Levitra Generic | 40mg | 360 + 10 Pills | 704.99€ 671.42€ | |
| Levitra Original | 20mg | 48 + 4 Pills | 235.14€ 223.94€ | |
| Levitra Generic | 20mg | 60 + 6 Pills | 131.11€ 124.87€ | |
| Levitra Generic | 60mg | 60 + 4 Pills | 198.85€ 189.38€ |
A study was conducted in which the blood pressure and heart rate response to 0.4 mg nitroglycerin (NTG) sublingually was evaluated in 18 healthy subjects following pretreatment with LEVITRA 20 mg at various times before NTG administration. LEVITRA 20 mg caused an additional time-related reduction in blood pressure and increase in heart rate in association with NTG administration.
What should I avoid while using Levitra?
Figure 2: Mean change from baseline in standing systolic blood pressure (mmHg) over 6 hour interval following simultaneous or 6 hr separation administration of vardenafil 5 mg or placebo with levitra 20 mg bayer stable dose tamsulosin 0.4 mg in normotensive BPH patients (Study 1) Figure 3: Mean change from baseline in standing systolic blood pressure (mmHg) over 6 hour interval following simultaneous or 6 hr separation administration of vardenafil 5 mg or placebo with stable dose terazosin (5 or 10 mg) in normotensive BPH patients (Study 1) This study was designed to evaluate the effect of 10 mg vardenafil (stage 1) and 20 mg vardenafil (stage 2) compared to placebo, when administered to a single cohort of BPH patients (n=23) on stable therapy with tamsulosin 0.4 mg or 0.8 mg daily for at least four weeks. The design was a randomized, double blind, two-period cross-over study. Vardenafil or placebo was given simultaneously with tamsulosin. Blood pressure and pulse were evaluated over the 6- hour interval after vardenafil dosing. One patient experienced a decrease from baseline in standing SBP of >30 mmHg following vardenafil 10 mg. The blood pressure effects were observed when LEVITRA 20 mg was dosed 1 or 4 hours before NTG and the heart rate effects were observed when 20 mg was dosed 1, 4, or 8 hours before NTG. Additional blood pressure and heart rate changes were not detected when LEVITRA 20 mg was dosed 24 hours before NTG.
Report Problems to the Food and Drug Administration
For blood pressure (BP) results see Table 2. One patient after simultaneous treatment with 5 mg vardenafil and 10 mg terazosin exhibited symptomatic hypotension with standing blood pressure of 80/60 mmHg occurring one hour after administration and subsequent mild dizziness and moderate lightheadedness lasting for 6 hours. For vardenafil and placebo, five and two patients, respectively, experienced a decrease in standing systolic blood pressure (SBP) of >30 mmHg following simultaneous administration of terazosin. Hypotension was not observed when vardenafil 5 mg and terazosin were administered 6 hours apart. Following simultaneous administration of vardenafil 5 mg and tamsulosin, two patients had a standing SBP of <85 mmHg.
What should patients know about dose adjustments?
A decrease in standing SBP of >30 mmHg was observed in two patients on tamsulosin receiving simultaneous vardenafil and in one patient receiving simultaneous placebo treatment. When tamsulosin and vardenafil 5 mg were separated by 6 hours, two patients had a standing SBP <85 mmHg and one patient had a decrease in SBP of >30 mmHg. There were no severe adverse events related to hypotension reported during the study. Table 2: Mean (95% C.I.) maximal change from baseline in systolic blood pressure (mmHg) following vardenafil 5 mg in BPH patients on stable alpha-blocker therapy (Study 1) Blood pressure effects (standing SBP) in normotensive men on stable dose of tamsulosin 0.4 mg following simultaneous administration of vardenafil 5 mg or placebo, or following administration of vardenafil 5 mg or placebo separated by 6 hours are shown in Figure 2. Blood pressure effects (standing SBP) in normotensive men on stable dose terazosin (5 or 10 mg) following simultaneous administration of vardenafil 5 mg or placebo, or following administration of vardenafil 5 mg or placebo separated by 6 hours, are shown in Figure 3. Figure 1: Placebo-subtracted point estimates (with 90% CI) of mean maximal blood pressure and heart rate effects of pre-dosing with vardenafil 20 mg at 24, 8, 4, and 1 hour before 0.4 mg NTG sublingually Because the disease state of patients requiring nitrate therapy is anticipated to increase the likelihood of hypotension, the use of vardenafil by patients on nitrate therapy or on nitric oxide donors is contraindicated [see CONTRAINDICATIONS]. Blood Pressure Effects in Patients on Stable mail order levitra online Alpha-Blocker Treatment Three clinical pharmacology studies were conducted in patients with benign prostatic hyperplasia (BPH) on stable-dose alpha-blocker treatment, consisting of alfuzosin, tamsulosin or terazosin.
| Country/Region | Legal Status | Available Over the Counter? | Purchase Options |
|---|---|---|---|
| USA | Prescription required | No | Prescribed pharmacies, online with prescription |
| UK | Prescription required | No | Licensed pharmacies |
| India | Over-the-counter or by prescription | Often available OTC | Local pharmacies, online platforms |
| Canada | Prescription required | No | Licensed pharmacies |
| Australia | Prescription required | No | Pharmacies upon prescription |
This study was designed to evaluate the effect of 5 mg vardenafil compared to placebo when administered to BPH patients on chronic alpha-blocker therapy in two separate cohorts: tamsulosin 0.4 mg daily (cohort 1, n=21) and terazosin 5 or 10 mg daily (cohort 2, n=21). The design was a randomized, double blind, cross-over study with four treatments: vardenafil 5 mg or placebo administered simultaneously with the alpha-blocker and vardenafil 5 mg or placebo administered 6 hours after the alpha-blocker. Blood pressure and pulse were evaluated over the 6-hour interval after vardenafil dosing. For blood pressure (BP) results see Table 2. One patient after simultaneous treatment with 5 mg vardenafil and 10 mg terazosin exhibited symptomatic hypotension with standing blood pressure of 80/60 mmHg occurring one hour after administration and subsequent mild dizziness and moderate lightheadedness lasting for 6 hours. For vardenafil and placebo, five and two patients, respectively, experienced a decrease in standing systolic blood pressure (SBP) of >30 mmHg following simultaneous administration of terazosin.
| Contraindication | Explanation | Recommended Action |
|---|---|---|
| Nitrates use | Can cause severe hypotension | Avoid concurrent use |
| Heart conditions | Might be risky | Consult doctor before use |
| Liver or Kidney impairment | Slower drug metabolism | Dose adjustment required |
| Allergy to Tadalafil or excipients | Risk of allergic reactions | Do not use |
Hypotension was not observed when vardenafil 5 mg and terazosin were administered 6 hours apart. Following simultaneous administration of vardenafil 5 mg and tamsulosin, two patients had a standing SBP of <85 mmHg. A decrease in standing SBP of >30 mmHg was observed in two patients on tamsulosin receiving simultaneous vardenafil and in one patient receiving simultaneous placebo treatment. When tamsulosin and vardenafil 5 mg were separated by 6 hours, two patients had a standing SBP <85 mmHg and one patient had a decrease in SBP of >30 mmHg.
Before Using
[see DOSAGE AND ADMINISTRATION and WARNINGS AND PRECAUTIONS] The maximum dose of LEVITRA for which human data are available is a single 120 mg dose administered to healthy male volunteers. The majority of these subjects experienced reversible back pain/myalgia and/or “abnormal vision.” Single doses up to 80 mg vardenafil and multiple doses up to 40 mg vardenafil administered once daily over 4 weeks were tolerated without producing serious adverse side effects. When 40 mg of vardenafil was administered twice daily, cases of severe back pain were observed. No muscle or neurological toxicity was identified. In cases of overdose, standard supportive measures should be taken as required.
What is vardenafil used for?
Renal dialysis is not expected to accelerate clearance as vardenafil is highly bound to plasma proteins and not significantly eliminated in the urine. Administration of LEVITRA with nitrates (either regularly and/or intermittently) and nitric oxide donors is contraindicated [see CLINICAL PHARMACOLOGY]. Consistent with the effects of PDE5 inhibition on the nitric oxide/cyclic guanosine monophosphate pathway, PDE5 inhibitors, including LEVITRA, may potentiate the hypotensive effects of nitrates. A suitable time interval following dosing of LEVITRA for the safe administration of nitrates or nitric oxide donors has not been determined. Do not use LEVITRA in patients who are using a GC stimulator, such as riociguat. There were no severe adverse events related to hypotension reported during the study.
- The drug is part of PDE5 inhibitors class.
- Avoid using if you have severe renal or hepatic insufficiency.
- The effectiveness may vary between individuals.
- Using it with high-fat meals can delay its action.
- Do not use while participating in activities requiring alertness.
- The medication may cause a rare but serious side effect called priapism.
- Always check for drug interactions with your healthcare provider.
- It is important to stay within prescribed limits.
- Dispose of unused medication safely to prevent misuse.
- Be mindful of any changes in blood pressure.
- Follow up with your doctor if you have persistent problems.
- Use the medication responsibly to ensure safety.
Table 2: Mean (95% C.I.) maximal change from baseline in systolic blood pressure (mmHg) following vardenafil 5 mg in BPH patients on stable alpha-blocker therapy (Study 1) Blood pressure effects (standing SBP) in normotensive men on stable dose of tamsulosin 0.4 mg following simultaneous administration of vardenafil 5 mg or placebo, or following administration of vardenafil 5 mg or placebo separated by 6 hours are shown in Figure 2. Blood pressure effects (standing SBP) in normotensive men on stable dose terazosin (5 or 10 mg) following simultaneous administration of vardenafil 5 mg or placebo, or following administration of vardenafil 5 mg or placebo separated by 6 hours, are shown in Figure 3. Figure 2: Mean change from baseline in standing systolic blood pressure (mmHg) over 6 hour interval following simultaneous or 6 hr separation administration of vardenafil 5 mg or placebo with levitra 20 mg bayer stable dose tamsulosin 0.4 mg in normotensive BPH patients (Study 1) Figure 3: Mean change from baseline in standing systolic blood pressure (mmHg) over 6 hour interval following simultaneous or 6 hr separation administration of vardenafil 5 mg or placebo with stable dose terazosin (5 or 10 mg) in normotensive BPH patients (Study 1) This study was designed to evaluate the effect of 10 mg vardenafil (stage 1) and 20 mg vardenafil (stage 2) compared to placebo, when administered to a single cohort of BPH patients (n=23) on stable therapy with tamsulosin 0.4 mg or 0.8 mg daily for at least four weeks. The design was a randomized, double blind, two-period cross-over study. Vardenafil or placebo was given simultaneously with tamsulosin. Blood pressure and pulse were evaluated over the 6- hour interval after vardenafil dosing. One patient experienced a decrease from baseline in standing SBP of >30 mmHg following vardenafil 10 mg. There were no other instances of outlier blood pressure values (standing SBP <85 mmHg or decrease from baseline in standing SBP of >30 mmHg). Three patients reported dizziness following vardenafil 20 mg. Table 3: Mean (95% C.I.) maximal change from baseline in systolic blood pressure (mmHg) following vardenafil 10 and 20 mg in BPH patients on stable alpha-blocker therapy with tamsulosin 0.4 or 0.8 mg daily (Study 2) Figure 4: Mean change from baseline in standing systolic blood pressure (mmHg) over 6 hour interval following simultaneous administration of vardenafil 10 mg (Stage 1), vardenafil 20 mg (Stage 2), or placebo with stable dose tamsulosin 0.4 mg in normotensive BPH patients (Study 2) This study was designed to evaluate the effect of single doses of 5 mg vardenafil (stage 1) and 10 mg vardenafil (stage 2) compared to placebo, when administered to a single cohort of BPH patients (n=24) on stable therapy with alfuzosin 10 mg daily for at least four weeks.
Side Effects
There were no other instances of outlier blood pressure values (standing SBP <85 mmHg or decrease from baseline in standing SBP of >30 mmHg). Three patients reported dizziness following vardenafil 20 mg. Table 3: Mean (95% C.I.) maximal change from baseline in systolic blood pressure (mmHg) following vardenafil 10 and 20 mg in BPH patients on stable alpha-blocker therapy with tamsulosin 0.4 or 0.8 mg daily (Study 2) Figure 4: Mean change from baseline in standing systolic blood pressure (mmHg) over 6 hour interval following simultaneous administration of vardenafil 10 mg (Stage 1), vardenafil 20 mg (Stage 2), or placebo with stable dose tamsulosin 0.4 mg in normotensive BPH patients (Study 2) This study was designed to evaluate the effect of single doses of 5 mg vardenafil (stage 1) and 10 mg vardenafil (stage 2) compared to placebo, when administered to a single cohort of BPH patients (n=24) on stable therapy with alfuzosin 10 mg daily for at least four weeks. The design was a randomized, double blind, 3- period cross-over study. Vardenafil or placebo was administered 4 hours after the administration of alfuzosin. The design was a randomized, double blind, 3- period cross-over study.
| Region | Price for 20mg Generic Levitra (per pill) | Typical Cost for Box of 30 |
|---|---|---|
| North America | $0.50 - $1.50 | $15 - $45 |
| Europe | €0.40 - €1.20 | €12 - €36 |
| Asia | $0.30 - $1.00 | $9 - $30 |
| Australia | AUD 1.00 - AUD 2.50 | AUD 30 - AUD 75 |
Vardenafil or placebo was administered 4 hours after the administration of alfuzosin. Blood pressure and pulse were evaluated over a 10-hour interval after dosing of vardenafil or placebo.
- Generic Levitra 20 is available in multiple dosage forms.
- It should be taken on an empty stomach for best results.
- Avoid alcohol consumption when taking this medication.
- Do not crush or chew the tablets; swallow whole.
- Its safety and efficacy are comparable to the branded version.
- Patients should inform their healthcare provider about existing health issues.
- Common brand names include Vardenafil tablets.
- It is not intended for use by women or children.
- Side effects are usually mild and temporary.
- Always follow the prescribed dosage to avoid complications.
- It helps improve the quality of life for men with ED.
- Regular medical check-ups are recommended during use.
Table 4: Mean (95% C.I.) maximal change from baseline in systolic blood pressure (mmHg) following vardenafil 5 and 10 mg in BPH patients on stable alpha-blocker therapy with alfuzosin 10 mg daily (Study 3) One patient experienced decrease from baseline in standing systolic blood pressure >30 mm Hg after administration of vardenafil 5 mg film-coated tablet and vardenafil 10 mg film-coated tablet. No instances of standing systolic blood pressure <85 mm Hg were observed during this study.
Available Forms
PDE5 inhibitors, including LEVITRA may potentiate the hypotensive effects of GC stimulators. Penile erection is a hemodynamic process initiated by the relaxation of smooth muscle in the corpus cavernosum and its associated arterioles. During sexual stimulation, nitric oxide is released levitra generic no prescription from nerve endings and endothelial cells in the corpus cavernosum. Nitric oxide activates the enzyme guanylate cyclase resulting in increased synthesis of cyclic guanosine monophosphate (cGMP) in the smooth muscle cells of the corpus cavernosum. The cGMP in turn triggers smooth muscle relaxation, allowing increased blood flow into the penis, resulting in erection.
Levitra (Vardenafil)
The tissue concentration of cGMP is regulated by both the rates of synthesis and degradation via phosphodiesterases (PDEs). The most abundant PDE in the human corpus cavernosum is the cGMP-specific phosphodiesterase type 5 (PDE5); therefore, the inhibition of PDE5 enhances erectile function by increasing the amount of cGMP. Because sexual stimulation is required to initiate the local release of nitric oxide, the inhibition of PDE5 has no effect in the absence of sexual stimulation. In vitro studies have shown that vardenafil is a selective inhibitor of PDE5. The inhibitory effect of vardenafil is more selective on PDE5 than for other known phosphodiesterases (>15-fold relative to PDE6, >130-fold relative to PDE1, >300-fold relative to PDE11, and >1,000-fold relative to PDE2, 3, 4, 7, 8, 9, and 10). Four patients, one dosed with placebo, two dosed with vardenafil 5 mg film-coated tablets and one dosed with vardenafil 10 mg film-coated tablets, reported dizziness. Blood pressure effects (standing SBP) in normotensive men on a stable dose of alfuzosin 10 mg following administration of vardenafil 5 mg, vardenafil 10 mg, or placebo separated by 4 hours, are shown in Figure 5.
How do I order?
Blood pressure and pulse were evaluated over a 10-hour interval after dosing of vardenafil or placebo. Table 4: Mean (95% C.I.) maximal change from baseline in systolic blood pressure (mmHg) following vardenafil 5 and 10 mg in BPH patients on stable alpha-blocker therapy with alfuzosin 10 mg daily (Study 3) One patient experienced decrease from baseline in standing systolic blood pressure >30 mm Hg after administration of vardenafil 5 mg film-coated tablet and vardenafil 10 mg film-coated tablet. No instances of standing systolic blood pressure <85 mm Hg were observed during this study. Four patients, one dosed with placebo, two dosed with vardenafil 5 mg film-coated tablets and one dosed with vardenafil 10 mg film-coated tablets, reported dizziness. Blood pressure effects (standing SBP) in normotensive men on a stable dose of alfuzosin 10 mg following administration of vardenafil 5 mg, vardenafil 10 mg, or placebo separated by 4 hours, are shown in Figure 5.
