Avana (Avanafil) is used by men with erectile dysfunction. It helps increase blood flow to the penis.

Generic Stendra


Avana, Avandra


Sunrise Remedies


50 mg, 100 mg



I. Introduction to Avanafil

A. Overview of Avanafil as a Pharmaceutical Agent

Avanafil is an example of how we manage erectile dysfunction (ED) using medication. This innovative drug falls into the phosphodiesterase type 5 (PDE5) inhibitors category. Represents the pinnacle of targeted therapeutic advancements. Its unique molecular structure provides benefits regarding how it works in the body, establishing a new standard for treating ED.

B. Historical Development and FDA Approval

The development of Avanafil can be attributed to research efforts focused on improving the effectiveness of treatments while minimizing adverse side effects. 2012 the Food and Drug Administration (FDA) approved Avanafil after clinical trials. These trials highlighted its ability to improve function, marking a new milestone in the field of treating erectile dysfunction.

C. Distinction from Other Erectile Dysfunction Medications

Avanafil sets itself apart from erectile dysfunction medications by acting quickly and having fewer side effects. Its unique molecular properties allow for absorption and effective interaction, with the PDE5 enzyme giving it an advantage in therapy compared to similar drugs.

II. Composition and Formulation of Avanafil

A. Active Ingredient Profile

The primary component found in Avanafil, which is derived from pyrimidine, has a preference for the PDE5 enzyme. This selectiveness leads to an improvement in function while minimizing any adverse side effects.

B. Excipients and Formulation Details

The formulation of Avanafil is carefully crafted, combining ingredients like mannitol and fumaric acid, which improve how the drug is absorbed and its stability. By selecting these ingredients, the aim is to achieve the best possible medication delivery and maintain its effectiveness over time.

C. Variants and Strengths Available

Avanafil is a medication with strengths, such as 50 mg, 100 mg, and 200 mg tablets. This variety of doses provides flexibility to meet each person's treatment requirements. By offering treatment plans, Avanafil aims to enhance the effectiveness and tolerance for individual patients.

III. Mechanism of Action: How Avanafil Works

A. Pharmacodynamics: Interaction with PDE5 Enzyme

Avanafil works by blocking the PDE5 enzyme, which plays a crucial role in controlling the blood vessels in the penis. This blockage leads to increased levels of cyclic guanosine monophosphate (cGMP), resulting in blood flow to the penis and making it easier to achieve an erection.

B. Impact on Erectile Function

By regulating the nitric oxide pathway, Avanafil greatly enhances function. It promotes the relaxation of muscles in the area, allowing for strong and lasting erections that are essential for sexual activity.

C. Comparison with Other PDE5 Inhibitors

Compared to similar medications called PDE5 inhibitors, Avanafil stands out for its faster onset of action and more selective profile. This means it has a therapeutic window and fewer adverse effects.

IV. Indications: Approved Uses of Avanafil

A. Primary Indication: Treatment of Erectile Dysfunction

Avanafil is a phosphodiesterase-5 (PDE5) inhibitor used to treat erectile dysfunction (ED). It has been found to be highly effective in supporting and sustaining erections, with its effectiveness confirmed through clinical trials 1.

Here are some references that you can use to learn more about Avanafil:

B. Effectiveness in Different Demographics

Avanafil has been found to be effective in treating erectile dysfunction (ED) in people of different ages and with different causes of ED 1A systematic review and meta-analysis of randomized controlled trials (RCTs) demonstrated that avanafil is safe and effective for ED, with significantly higher rates of successful vaginal penetration, successful intercourse, and improvement in the International Index of Erectile Function-Erectile Function domain score compared to placebo 1The study also found that avanafil 200 mg was more effective than avanafil 100 mg in terms of successful intercourse and improvement in the International Index of Erectile Function-Erectile Function domain score 1However, more strict and larger sample size RCTs are needed to validate these findings 1.

Here are the references for the above content:

1: Li, J., Peng, L., Cao, D., He, L., Li, Y., & Wei, Q. (2019). Avanafil for the Treatment of men With Erectile Dysfunction: A Systematic Review and Meta-analysis of Randomized Controlled Trials. American Journal of Men’s Health, 13(5), 1557988319880764. https://doi.org/10.1177/1557988319880764

C. Duration of Effectiveness and Onset of Action

Avanafil is known for its quick onset of action, which can occur within 15 minutes after taking it, and its effectiveness for up to 6 hours 123This characteristic allows for a window of spontaneity in sexual activity 123.

Here are the references for the above content:

1: Medicine.com. (2020). Avanafil: Dosage, Mechanism/Onset of Action, Half-Life. https://www.medicine.com/drug/avanafil/hcp. 2: WebMD. (n.d.). Avanafil Oral: Uses, Side Effects, Interactions, Pictures, Warnings & Dosing. https://www.webmd.com/drugs/2/drug-165503/avanafil-oral/details. 3: Drugs.com. (2021). Avanafil Uses, Side Effects & Warnings. https://www.drugs.com/mtm/avanafil.html.

V. Exploring Off-Label Uses of Avanafil

A. Potential in Pulmonary Hypertension

Recent studies have suggested that Avanafil may have the potential to treat hypertension 12 effectively. This highlights the vasodilatory qualities of Avanafil and its versatility in terms of its pharmacological profile 12.

Here are the references for the above content:

1: DrugBank Online. (n.d.). Avanafil: Uses, Interactions, Mechanism of Action. https://go.drugbank.com/drugs/DB06237. 2: Drugs.com. (2021). Avanafil Uses, Side Effects & Warnings. https://www.drugs.com/mtm/avanafil.html.

B. Avanafil in Raynaud’s Phenomenon

There have been some research investigations into the use of Avanafil in the treatment of Raynaud phenomenon. It is believed that Avanafil's ability to improve blood circulation could help relieve the symptoms linked to this condition.

C. Investigational Uses in Other Conditions

Scientists are continuously investigating the potential of Avanafil in clinical situations as the therapeutic landscape of this medication continues to evolve.

VI. Administration Guidelines for Avanafil

The suggested initial dosage for Avanafil is 100 mg, to be taken when necessary, 30 minutes prior, to engaging in sexual activity. Depending on effectiveness and tolerance the dosage can be modified.

B. Adjustments for Specific Populations

Sometimes, it may be required to make changes in the dosage for groups of people like the elderly or individuals with liver or kidney problems. This highlights the importance of tailoring treatment plans to suit each person's needs.

C. Administration Tips for Optimal Efficacy

To achieve the outcomes, it is advisable not to consume Avanafil along with high meals in fat. This is because doing so can potentially slow down the absorption of the medication and delay its effectiveness.

VII. Common and Rare Side Effects of Avanafil

A. Overview of Common Side Effects

Some of the side effects of Avanafil include headaches, feeling flushed, stuffy nose, and backaches. Usually, these effects are not severe. Don't last long.

B. Rare but Serious Adverse Reactions

Occasionally, significant side effects need prompt medical attention, like changes in vision or priapism. Patients must be informed about these symptoms and know how to recognize them.

C. Long-term Side Effect Profile

Based on research, long-term studies have shown that the side effect profile remains consistent, and there have been no new safety concerns identified during extended periods of use.

VIII. Interaction of Avanafil with Other Medications

A. Avanafil and Nitrate Interactions

Avanafil should not be taken together with nitrates because it can cause a drop in blood pressure. Patients who are using therapy should be advised to avoid using Avanafil.

B. Effect on Blood Pressure with Alpha-Blockers

Combining Avanafil with alpha blockers could potentially lead to high blood pressure. Monitoring and adjusting the dosage when prescribing these medications together is crucial.

C. Considerations with CYP3A4 Inhibitors and Inducers

Interactions with medications that either inhibit or induce CYP3A4 enzymes can affect the levels of Avanafil in the bloodstream. As a result, it may be necessary to adjust the dosage of Avanafil to maintain both safety and effectiveness.

IX. Contraindications and Cautions in Using Avanafil

A. Absolute Contraindications

Although Avanafil is effective in treating dysfunction, it may not be suitable for everyone. There are absolute contraindications to consider: 1. Avoid using Avanafil with nitrates in any form, as it can significantly drop blood pressure. 2. If you have a hypersensitivity to Avanafil or any of its components, it could potentially cause severe allergic reactions. 3. Individuals with hepatic impairment should exercise caution as the metabolism of the drug may be unpredictable in such cases. It's essential to consult with a healthcare provider before considering Avanafil to ensure its suitability for your specific circumstances.

B. Precautions in Patients with Pre-existing Conditions

Patients who have pre-existing medical conditions should exercise caution when considering the use of Avanafil. These conditions include diseases, especially those that involve unstable angina or a recent history of heart attack, renal impairment, which might require dosage adjustments, and a history of priapism or conditions that make an individual more prone to priapism, such as sickle cell anemia.

C. Allergic Reactions and Hypersensitivity

While it's not familiar, there is a possibility of experiencing reactions to Avanafil. Staying vigilant for signs such as skin rash, itchiness, or swelling in the face, tongue, and throat is essential. Additionally, if you have dizziness or difficulty breathing, it is vital to seek immediate medical assistance.

X. Special Populations and Avanafil Administration

A. Elderly Patients: Dosage Adjustments and Risks

Due to changes in how the body processes drugs, it is essential to take extra caution when treating older patients. It is recommended to start with doses and closely monitor for any negative reactions.

B. Avanafil in Pregnancy and Breastfeeding

It is advisable to avoid using Avanafil in women, especially when they are pregnant or breastfeeding, as there is safety data available for these specific situations.

C. Considerations for Pediatric Use

Avanafil has not been proven to be safe and effective for use in children. As a result, its usage is not recommended for this age group.

XI. Overdose Management and Symptoms

A. Recognizing Symptoms of Avanafil Overdose

Signs of taking much Avanafil can include a severe drop in blood pressure, feeling dizzy or fainting, and experiencing prolonged or uncomfortable erections.

B. Immediate Steps and Medical Interventions

If someone overdoses, it's essential to seek medical help. Make sure to provide care and support and offer treatment for any symptoms that arise.

C. Long-term Management of Overdose

In the run, it is essential to closely monitor and take preventive measures to address any potential complications that may arise, especially about cardiovascular and renal functions.

XII. Storage and Handling Precautions for Avanafil

A. Proper Storage Conditions

Store Avanafil at room temperature, keeping it away from light and moisture. Also, make sure to keep it out of the reach of children.

B. Handling and Disposal Guidelines

To ensure handling, it is essential to avoid contamination and adhere to the disposal guidelines set by local regulations. This is crucial to prevent any environmental contamination.

C. Stability and Shelf Life

Avanafil has a designated period of effectiveness, after which its efficiency may not be assured. It's essential to pay attention to expiration dates and properly dispose of expired medication.

XIII. Important Precautions and Warnings

A. Cardiovascular Risk Considerations

Individuals who have existing conditions should exercise caution when using Avanafil, as engaging in sexual activity can be risky for such individuals.

B. Visual and Hearing Impairment Risks

There have been cases where people have experienced problems with their vision and hearing while using PDE5 inhibitors. If you notice any of these issues, getting help right away is essential.

C. Counseling Points for Safe Use

When counseling patients, it is essential to cover aspects such as Talking about possible side effects and when to seek medical assistance—stressing the significance of following the dosage and advising against consuming alcohol and grapefruit juice as they can have interactions with Avanafil.

Rated: 5.0 / 5 based on 5.0 customer reviews.

Posted by lambert on Jan 2, 2015 Verified Purchase

works for me.

avanafil has worked for me where all the other ed medications have failed. i do experience a tad of facial flushing when taking it but other than that, i'm all ready to go.

Note: buy-pharma.md does not imply any medical claims from this review.

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