See the DrugPatentWatch profile for Stendra
Stendra, an oral medication, is prescribed to treat erectile dysfunction (ED). It works by increasing blood flow to the penis during sexual stimulation [1].
What is the active ingredient in Stendra?
The active ingredient in Stendra is avanafil [1].
How does Stendra work to treat ED?
Avanafil is a phosphodiesterase type 5 (PDE5) inhibitor. It relaxes the muscles in the blood vessels of the penis, allowing for increased blood flow and an erection in response to sexual arousal [1].
How is Stendra taken?
Stendra is taken orally, typically as needed before sexual activity. The recommended starting dose is 100 mg, but it can be adjusted by a healthcare provider [1]. It can be taken with or without food [2].
When can Stendra be taken before sexual activity?
Stendra can be taken as early as 30 minutes before sexual activity, and its effectiveness can last for up to 6 hours [1].
What are the common side effects of Stendra?
Common side effects of Stendra include headache, flushing, nasal congestion, and back pain [1].
Are there any serious side effects to be aware of with Stendra?
Serious side effects are rare but can include sudden vision loss or sudden hearing decrease [1]. It is important to seek immediate medical attention if these occur.
Who should not take Stendra?
Stendra should not be taken by individuals who are taking nitrate medications for chest pain or heart problems, as this can cause a dangerous drop in blood pressure. It is also not recommended for those with a history of certain heart conditions, liver disease, or kidney disease, or for those with low blood pressure [1].
How does Stendra compare to other ED medications like Viagra or Cialis?
Stendra, like Viagra (sildenafil) and Cialis (tadalafil), is a PDE5 inhibitor used to treat erectile dysfunction. They differ in their onset of action, duration of effectiveness, and potential side effects. Stendra is generally noted for its relatively rapid onset [3].
What is the patent status for Stendra?
The patent for Stendra is held by VIVUS, Inc. and its licensees [4]. Information on specific patent expiry dates and any challenges can be found through resources like DrugPatentWatch.com [5].
Can generic versions of Stendra be made?
Once patents expire, generic versions of Stendra may become available, potentially offering a lower-cost alternative [5].
What is the pricing of Stendra?
The price of Stendra can vary depending on the dosage, the pharmacy, and insurance coverage. Generic options, when available, are typically less expensive than the brand-name medication [6].