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Fact Table
| Fact Table | |
|---|---|
| Formula | C23H26ClN7O3 |
| License | FDA-approved (2012) |
| Bioavailability | Approximately 4% (oral route) |
| Legal status | Rx-Only |
| Chemical Name | Avanafil |
| Elimination half-life | Approximately 5 hours |
| Dosage (Strength) | 50 mg, 100 mg, 200 mg |
| Pregnancy | Not applicable (intended for use in adult men) |
| Brands | Stendra |
| Protein binding | 99% |
| PubChem CID | 9869929 |
| MedlinePlus | a614015 |
| ChEBI | Not available |
| ATC code | G04BE10 |
| DrugBank | DB06237 |
| KEGG | D03217 |
| Routes of administration | Oral |
Stendra is a medication for erectile dysfunction (ED), available by prescription. It helps men achieve an erection and enjoy intimacy with their partner. ED occurs due to insufficient blood flow to the penis, even with sexual stimulation. Avanafil, a PDE-5 inhibitor drug, dilates the blood vessels in the penis, promoting increased blood flow to the corpus cavernosum. Buy Stendra from Canada through Canpharm for the lowest cost.
What is Erectile Dysfunction?
Erectile dysfunction is a condition in which a man cannot develop an erection, even in an intimate environment with a partner. While it can be a natural part of aging, factors like poor vascular health or being overweight can exacerbate it. Erectile dysfunction results from reduced blood flow to the penis, preventing it from becoming rigid and elongated—a problem absent in men without this sexual health issue.
Directions
The standard dosage of Stendra is one tablet taken 30 to 45 minutes before anticipated sexual activity.
Ingredients
The active ingredient in Stendra is Avanafil.
Cautions
Inform your doctor of any history of angina, chest pain, heart failure, stroke, kidney or liver disease, high or low blood pressure, chronic dehydration, penile conditions such as Peyronie's disease, prolonged erection (priapism), eye problems like NAION or retinitis pigmentosa, bleeding disorders, or stomach ulcers before starting Stendra.
This medication may cause dizziness.
It is advisable to limit alcohol consumption while using this medication.
Be aware of the medication's expiry date.
Interactions
Negative drug interactions may occur between Stendra and other prescription medications, including alprazolam, amlodipine, atorvastatin, azelastine, bupropion, nebivolol, tadalafil, ciprofloxacin, doxycycline, fluticasone, lisinopril, losartan, meclizine, metformin, methocarbamol, metoprolol, omeprazole, prednisone, simvastatin, tamsulosin, sildenafil, and cetirizine. Inform your doctor of all medications you are currently taking before obtaining a prescription and purchasing Stendra online.
Side Effects
Possible side effects of Stendra include headaches, flushing, and dizziness. If you experience side effects, consider stopping use and consulting your doctor to discuss alternative treatments for erectile dysfunction.
Frequently Asked Questions about Stendra
What is Stendra used for?
Stendra is used to treat erectile dysfunction (ED). It helps improve blood flow to the penis to help achieve and maintain an erection.
How does Stendra work?
Stendra works by inhibiting the enzyme PDE5, which allows blood vessels to relax and increase blood flow to the penis during sexual stimulation. This helps produce and maintain an erection.
How long does Stendra last?
The effects of Stendra typically last for up to 6 hours. This allows for a broader window to engage in sexual activity.
What are the side effects of Stendra?
Common side effects of Stendra include headaches, flushing, runny nose, and back pain. More serious side effects are rare but can include hearing loss and vision issues.
Can Stendra be taken with food?
Yes, Stendra can be taken with or without food. Taking it with a high-fat meal may increase absorption.
How long before sex should I take Stendra?
Stendra is fast-acting, so it can be taken 30 minutes before sexual activity. Taking it too far in advance increases the risk of side effects.
Can I drink alcohol while taking Stendra?
It is recommended to avoid heavy drinking while taking Stendra, but light drinking should not cause issues. Heavy drinking increases the risk of side effects.
Is Stendra safe to take with other medications?
Stendra has minimal interactions with other drugs, but should not be taken with nitrates commonly used for heart conditions or alpha-blockers for blood pressure.
Is a prescription required for Stendra?
Yes, Stendra is only available by prescription in the U.S. Speak to your doctor to see if a prescription is appropriate.
What strengths does Stendra come in?
Stendra comes in 50 mg, 100 mg, and 200 mg tablets to provide options in dosing for different Patient needs.
