Your doctor can help you determine the dose that is right for you.

Region	Attitudes towards female ED treatment	Accessibility	Comments
Western Countries	Increasing openness, off-label use	Medical access varies	Growing awareness
Asian Countries	More conservative, less acceptance	Limited availability	Cultural barriers
Middle East	Cultural restrictions on sexual health	Restricted access	Growing discussion needed
Latin America	Varying acceptance, some stigma	Access improving	More education needed

The side effects of Levitra and Viagra are similar, and seem to occur at similar rates, although more side effects may occur at higher doses. Taking two ED medications together is not recommended. If you are taking an ED medication that is not working, talk to your doctor about trying a different one, and/or consider lifestyle factors.

Conditions treated by Levitra and Viagra

Figure 2: Placebo-subtracted point estimates (with 90% CI) of mean maximal blood pressure and heart rate effects of pre-dosing with LEVITRA 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). The effect of 10 mg and 80 mg vardenafil on QT interval was evaluated in a single-dose, double-blind, randomized, placebo- and active-controlled (moxifloxacin 400 mg) crossover study in 59 healthy males (81% White, 12% Black, 7% Hispanic) aged 45-60 years. The QT interval was measured at one hour post dose because this time point approximates the average time of peak vardenafil concentration. The 80 mg dose of LEVITRA (four times the highest recommended dose) was chosen because this dose yields plasma concentrations covering those observed upon co-administration of a low-dose of LEVITRA (5 mg) and 600 mg BID of ritonavir. Cialis lasts up to about 18 hours, while Viagra lasts up to about 6 hours. Both drugs seem to be similarly effective, but the effects of Cialis lasts longer. All of the ED drugs have been shown to be effective in clinical studies. Talk to your doctor to determine if an ED drug is appropriate for you. Medically accurate: SingleCare’s Medical Review Board analyzes all of our content to confirm it’s in line with current medical advice. Evidence-based: Our content is sourced from reputable U.S.-based healthcare professionals and peer-reviewed research.

Age Range	Suitability	Considerations
20-30 years	Not commonly prescribed	Usually no indication for women
30-50 years	Off-label consideration	Under medical supervision
Over 50 years	Possible use	Possible interactions with menopause drugs

Product	Dosage	Quantity + Bonus	Price
Levitra Professional	20mg	20 Pills	101.00€ 96.19€
Levitra Generic	20mg	360 + 10 Pills	458.44€ 436.61€
Levitra Generic	20mg	120 + 10 Pills	224.15€ 213.48€
Levitra Soft Tabs	20mg	120 + 8 Pills	288.52€ 274.78€
Levitra Generic	60mg	10 Pills	47.42€ 45.16€
Levitra Generic	60mg	60 + 4 Pills	198.85€ 189.38€
Levitra Generic	40mg	120 + 8 Pills	302.37€ 287.97€
Levitra Original	20mg	14 + 2 Pills	102.27€ 97.40€
Levitra Soft Tabs	20mg	180 + 10 Pills	398.14€ 379.18€
Levitra Generic	60mg	20 Pills	81.30€ 77.43€
Levitra Generic	40mg	180 + 10 Pills	405.06€ 385.77€

LEVITRA® is an oral therapy for the treatment of erectile dysfunction. Vardenafil HCl is designated chemically as piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f ][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-ethyl-, monohydrochloride and has the following structural formula: Vardenafil HCl is a nearly colorless, solid substance with a molecular weight of 579.1 g/mol and a solubility of 0.11 mg/mL in water. LEVITRA is formulated as orange, round, film-coated tablets with “BAYER” cross debossed on one side and “2.5”, “5”, “10”, and “20” on the other side corresponding to 2.5 mg, 5 mg, 10 mg, and 20 mg of vardenafil, respectively. Penile erection is a hemodynamic process initiated by the relaxation of smooth muscle in the corpus cavernosum and its associated arterioles.

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Renal Insufficiency: In volunteers with mild renal impairment (CLcr = 50-80 ml/min), the pharmacokinetics of vardenafil were similar to those observed in a control group with normal renal function. In the moderate (CLcr = 30-50 ml/min) or severe (CLcr<30 ml/min) renal impairment groups, the AUC of vardenafil was 20–30% higher compared to that observed in a control group with normal renal function (CLcr>80 ml/min). Vardenafil pharmacokinetics have not been evaluated in patients requiring renal dialysis (see PRECAUTIONS, Renal Insufficiency, and DOSAGE AND ADMINISTRATION). Hepatic Insufficiency: In volunteers with mild hepatic impairment (Child-Pugh A), the Cmax and AUC following a 10 mg vardenafil dose were increased by 22% and 17%, respectively, compared to healthy control subjects. In volunteers with moderate hepatic impairment (Child-Pugh B), the Cmax and AUC following a 10 mg vardenafil dose were increased by 130% and 160%, respectively, compared to healthy control subjects.

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Consequently, a starting dose of 5 mg is recommended for patients with moderate hepatic impairment, and the maximum dose should levitra 20 brand not exceed 10 mg (see PRECAUTIONS and DOSAGE AND ADMINISTRATION). Vardenafil has not been evaluated in patients with severe (Child-Pugh C) hepatic impairment. In a clinical pharmacology study of patients with erectile dysfunction, single doses of vardenafil 20 mg caused a mean maximum decrease in supine blood pressure of 7 mmHg systolic and 8 mmHg diastolic (compared to placebo), accompanied by a mean maximum increase of heart rate of 4 beats per minute. The maximum decrease in blood pressure occurred between 1 and 4 hours after dosing. Following multiple dosing for 31 days, similar blood pressure responses were observed on Day 31 as on Day 1.

How should I store vardenafil?

Vardenafil may add to the blood pressure lowering effects of antihypertensive agents (see PRECAUTIONS, 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. During sexual stimulation, nitric oxide is released 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 levitra cut price cells of the corpus cavernosum.

Levitra is part of a class of drugs called phosphodiesterase inhibitors.
The mechanism of action involves increasing blood circulation, which might affect sexual response.
Women do not have PDE5 enzymes in the same concentration as men, complicating its effects.
Some studies have tested whether Levitra can improve sexual dysfunction in women with certain health issues.
It is essential to monitor for side effects and interactions when considering Levitra for women.
Sexual health is multifaceted, involving hormonal, psychological, and relational factors.
Physicians emphasize evidence-based use of medications in treating sexual dysfunction.
Legal and ethical considerations restrict off-label use in many countries.
Alternative evidence-supported options include therapy, hormone therapy, and lifestyle adjustments.

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). The pharmacokinetics of vardenafil are approximately dose proportional over the recommended dose range. Vardenafil is eliminated predominantly by hepatic metabolism, mainly by CYP3A4 and to a minor extent, CYP2C isoforms. Concomitant use with potent CYP3A4 inhibitors such as ritonavir, indinavir, ketoconazole, as well as moderate CYP3A inhibitors such as erythromycin results in significant increases of plasma levels of vardenafil (see PRECAUTIONS, WARNINGS and DOSAGE AND ADMINISTRATION). Mean vardenafil plasma concentrations measured after the administration of a single oral dose of 20 mg to healthy male volunteers are depicted in Figure 1. Figure 1: Plasma Vardenafil Concentration (Mean ± SD) Curve for a Single 20 mg LEVITRA Dose Vardenafil is rapidly absorbed with absolute bioavailability of approximately 15%. Maximum observed plasma concentrations after a single 20 mg dose in healthy volunteers are usually reached between 30 minutes and 2 hours (median 60 minutes) after oral dosing in the fasted state. Two food-effect studies were conducted which showed that high-fat meals caused a reduction in Cmax by 18%-50%. The mean steady-state volume of distribution (Vss) for vardenafil is 208 L, indicating extensive tissue distribution. Vardenafil and its major circulating metabolite, M1, are highly bound to plasma proteins (about 95% for parent drug and M1).

Levitra potential use in women remains experimental and not standard practice.
Women with underlying health conditions should avoid PDE5 inhibitors unless approved by a doctor.
The medication is sometimes used in small, controlled studies to explore female sexual response.
Common side effects for women may include dizziness, nausea, and vision changes.
Some research indicates that female sexual dysfunction may involve multiple physiological and psychological factors.
Long-term safety data of Levitra usage for women is limited.
The drug is available by prescription only, highlighting the need for medical oversight.
Cultural attitudes influence the acceptance and research into medications like Levitra for women.
Women interested in these treatments should seek advice from qualified healthcare providers.

This protein binding is reversible and independent of total drug concentrations.

Does Viagra help women?

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 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 levitra cut price 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).

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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). The pharmacokinetics of vardenafil are approximately dose proportional over the recommended dose range.

Viagra Generic

Vardenafil is eliminated predominantly by hepatic metabolism, mainly by CYP3A4 and to a minor extent, CYP2C isoforms. Concomitant use with potent CYP3A4 inhibitors such as ritonavir, indinavir, ketoconazole, as well as moderate CYP3A inhibitors such as erythromycin results in significant increases of plasma levels of vardenafil (see PRECAUTIONS, WARNINGS and DOSAGE AND ADMINISTRATION). Mean vardenafil plasma concentrations measured after the administration of a single oral dose of 20 mg to healthy male volunteers are depicted in Figure 1. Figure 1: Plasma Vardenafil Concentration (Mean ± SD) Curve for a Single 20 mg LEVITRA Dose Vardenafil is rapidly absorbed with absolute bioavailability of approximately 15%. Maximum observed plasma concentrations after a single 20 mg dose in healthy volunteers are usually reached between 30 minutes and 2 hours (median 60 minutes) after oral dosing in the fasted state. Following a single oral dose of 20 mg vardenafil in healthy volunteers, a mean of 0.00018% of the administered dose was obtained in semen 1.5 hours after dosing.

The use of Levitra for women raises ethical questions about medical research and treatment.
Women should be aware of possible side effects and legal restrictions before using such medications.
The stigma around female sexual dysfunction may hinder research and access to treatments.
Side effects may be more pronounced in women with existing health conditions.
There's advocacy for more dedicated research to develop female-specific sexual health medications.
Non-pharmaceutical approaches remain fundamental in managing female sexual health.
Engaging with healthcare professionals helps in understanding safe and effective options.
The impact of psychological and relational therapy is significant and sometimes overlooked.
Future research may lead to more targeted and safe medications for women’s sexual health.

Vardenafil is metabolized predominantly by the hepatic enzyme CYP3A4, with contribution from the CYP3A5 and CYP2C isoforms. The major circulating metabolite, M1, results from desethylation at the piperazine moiety of vardenafil. The plasma concentration of M1 is approximately 26% that of the parent compound. This metabolite shows a phosphodiesterase selectivity profile similar to that of vardenafil and an in vitro inhibitory potency for PDE5 28% of that of vardenafil. Therefore, M1 accounts for approximately 7% of total pharmacologic activity. The total body clearance of vardenafil is 56 L/h, and the terminal half-life of vardenafil and its primary metabolite (M1) is approximately 4-5 hours. After oral administration, vardenafil is excreted as metabolites predominantly in the feces (approximately 91-95% of administered oral dose) and to a lesser extent in the urine (approximately 2-6% of administered oral dose). Pediatrics: Vardenafil trials were not conducted in the pediatric population. Geriatrics: In a healthy volunteer study of elderly males (≥65 years) and younger males (18–45 years), mean Cmax and AUC were 34% and 52% higher, respectively, in the elderly males (see PRECAUTIONS, Geriatric Use and DOSAGE AND ADMINISTRATION).

Aspect	Description	Notes
Main Purpose	To improve female sexual arousal	Off-label use in some countries
Active Ingredient	Vardenafil	PDE5 inhibitor
Approved in	Not officially approved for women	Used off-label in some cases
Common Forms	Tablets, dissolvable tablets	Under research

Consequently, a lower starting dose of LEVITRA (5 mg) in patients ≥65 years of age should be considered. Renal Insufficiency: In volunteers with mild renal impairment (CLcr = 50-80 ml/min), the pharmacokinetics of vardenafil were similar to those observed in a control group with normal renal function. In the moderate (CLcr = 30-50 ml/min) or severe (CLcr<30 ml/min) renal impairment groups, the AUC of vardenafil was 20–30% higher compared to that observed in a control group with normal renal function (CLcr>80 ml/min).

The effectiveness of Levitra in women is not backed by conclusive evidence.
Some authorities recommend against using PDE5 inhibitors in women without proper clinical trials.
Off-label use of Levitra in women carries potential legal and health risks.
Promising experimental results require cautious interpretation until verified through large studies.
Female sexual dysfunction is complex and often requires multimodal treatment approaches.
The focus is shifting towards personalized medicine for better outcomes.
Women should leverage a holistic approach—medical, psychological, and relational.
Increasing awareness and research funding are essential for women's sexual health innovations.
Overall, safer, evidence-based options remain the priority in treatment strategies.

Vardenafil pharmacokinetics have not been evaluated in patients requiring renal dialysis (see PRECAUTIONS, Renal Insufficiency, and DOSAGE AND ADMINISTRATION). Hepatic Insufficiency: In volunteers with mild hepatic impairment (Child-Pugh A), the Cmax and AUC following a 10 mg vardenafil dose were increased by 22% and 17%, respectively, compared to healthy control subjects. In volunteers with moderate hepatic impairment (Child-Pugh B), the Cmax and AUC following a 10 mg vardenafil dose were increased by 130% and 160%, respectively, compared to healthy control subjects. Consequently, a starting dose of 5 mg is recommended for patients with moderate hepatic impairment, and the maximum dose should levitra 20 brand not exceed 10 mg (see PRECAUTIONS and DOSAGE AND ADMINISTRATION). Vardenafil has not been evaluated in patients with severe (Child-Pugh C) hepatic impairment. In a clinical pharmacology study of patients with erectile dysfunction, single doses of vardenafil 20 mg caused a mean maximum decrease in supine blood pressure of 7 mmHg systolic and 8 mmHg diastolic (compared to placebo), accompanied by a mean maximum increase of heart rate of 4 beats per minute. The maximum decrease in blood pressure occurred between 1 and 4 hours after dosing. Following multiple dosing for 31 days, similar blood pressure responses were observed on Day 31 as on Day 1. Vardenafil may add to the blood pressure lowering effects of antihypertensive agents (see PRECAUTIONS, Drug Interactions).

How should this medicine be used?

Two food-effect studies were conducted which showed that high-fat meals caused a reduction in Cmax by 18%-50%. The mean steady-state volume of distribution (Vss) for vardenafil is 208 L, indicating extensive tissue distribution. Vardenafil and its major circulating metabolite, M1, are highly bound to plasma proteins (about 95% for parent drug and M1). This protein binding is reversible and independent of total drug concentrations. Following a single oral dose of 20 mg vardenafil in healthy volunteers, a mean of 0.00018% of the administered dose was obtained in semen 1.5 hours after dosing.

Everyone knows about Viagra. We’re bombarded with commercials during every sporting event; it usually starts with a cute couple in their middle age sitting in a bathtub. We also know that Viagra will afford gentleman unlimited hours of pleasure. But how does this really work, and is it good for you?

Does vardenafil interact with other medicines (drug interactions)?

The total body clearance of vardenafil is 56 L/h, and the terminal half-life of vardenafil and its primary metabolite (M1) is approximately 4-5 hours. After oral administration, vardenafil is excreted as metabolites predominantly in the feces (approximately 91-95% of administered oral dose) and to a lesser extent in the urine (approximately 2-6% of administered oral dose). Pediatrics: Vardenafil trials were not conducted in the pediatric population. Geriatrics: In a healthy volunteer study of elderly males (≥65 years) and younger males (18–45 years), mean Cmax and AUC were 34% and 52% higher, respectively, in the elderly males (see PRECAUTIONS, Geriatric Use and DOSAGE AND ADMINISTRATION). Consequently, a lower starting dose of LEVITRA (5 mg) in patients ≥65 years of age should be considered. 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 should I know about storage and disposal of this medication?

Of the CYP3A4 inhibitors that have been studied, ritonavir causes the most significant drug-drug interaction with vardenafil. Figure 2: Placebo-subtracted point estimates (with 90% CI) of mean maximal blood pressure and heart rate effects of pre-dosing with LEVITRA 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). The effect of 10 mg and 80 mg vardenafil on QT interval was evaluated in a single-dose, double-blind, randomized, placebo- and active-controlled (moxifloxacin 400 mg) crossover study in 59 healthy males (81% White, 12% Black, 7% Hispanic) aged 45-60 years. The QT interval was measured at one hour post dose because this time point approximates the average time of peak vardenafil concentration. The 80 mg dose of LEVITRA (four times the highest recommended dose) was chosen because this dose yields plasma concentrations covering those observed upon co-administration of a low-dose of LEVITRA (5 mg) and 600 mg BID of ritonavir. Of the CYP3A4 inhibitors that have been studied, ritonavir causes the most significant drug-drug interaction with vardenafil.

Overdose/Missed Dose

Your doctor can help you determine the dose that is right for you. The side effects of Levitra and Viagra are similar, and seem to occur at similar rates, although more side effects may occur at higher doses. Taking two ED medications together is not recommended. If you are taking an ED medication that is not working, talk to your doctor about trying a different one, and/or consider lifestyle factors. Cialis lasts up to about 18 hours, while Viagra lasts up to about 6 hours.

Can I use Levitra or Viagra while pregnant?

Both drugs seem to be similarly effective, but the effects of Cialis lasts longer. All of the ED drugs have been shown to be effective in clinical studies. Talk to your doctor to determine if an ED drug is appropriate for you. Medically accurate: SingleCare’s Medical Review Board analyzes all of our content to confirm it’s in line with current medical advice. Evidence-based: Our content is sourced from reputable U.S.-based healthcare professionals and peer-reviewed research.

What is vardenafil (Levitra®)?

Trustworthy: All of SingleCare’s content goes through a multi-phase review process by our writers, editors, and Medical Board in order to provide clear and credible information. LEVITRA- vardenafil hydrochloride tablet, film coated APHENA PHARMA SOLUTIONS - TENNESSEE, INC. LEVITRA® is an oral therapy for the treatment of erectile dysfunction. Vardenafil HCl is designated chemically as piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f ][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-ethyl-, monohydrochloride and has the following structural formula: Vardenafil HCl is a nearly colorless, solid substance with a molecular weight of 579.1 g/mol and a solubility of 0.11 mg/mL in water. LEVITRA is formulated as orange, round, film-coated tablets with “BAYER” cross debossed on one side and “2.5”, “5”, “10”, and “20” on the other side corresponding to 2.5 mg, 5 mg, 10 mg, and 20 mg of vardenafil, respectively.