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Understanding Sildenafil
What is Sildenafil?
Sildenafil, known widely as the generic form of Viagra, serves as an oral prescription medication designed to effectively address male sexual dysfunction, commonly referred to as impotence or erectile dysfunction (ED). This medication is administered in tablet form, recommended to be taken prior to engaging in sexual activity, and it should not exceed a maximum of one dose every 24 hours. Furthermore, Sildenafil is available in various forms for different medical applications, including but not limited to treating pulmonary arterial hypertension (PAH), which is characterized by high blood pressure affecting the blood vessels in the lungs, applicable to both males and females. It is essential to note that these medications can’t be used interchangeably or combined.
How does sildenafil work?
Sildenafil functions as a phosphodiesterase-5 enzyme (PDE-5) inhibitor. When sexual stimulation occurs, sildenafil facilitates an increase in blood flow to the penis, thus aiding men in achieving and maintaining an erection. It is important to highlight that sildenafil is ineffective without sexual stimulation present.
How to take sildenafil for best results
For optimal results, it is advisable to take sildenafil roughly one hour prior to sexual activity; however, it can be consumed between 30 minutes and four hours beforehand. The medication should be used as required but limited to a maximum frequency of once every 24 hours. Sildenafil may be ingested with or without food, providing flexibility in administration.
How long does sildenafil take to work?
The effectiveness of sildenafil in treating erectile dysfunction is contingent upon the presence of sexual stimulation. Typically, it begins to take effect within approximately 60 minutes of ingestion.
How long does sildenafil last?
Once taken, erections facilitated by sildenafil can last for a duration of two to four hours. It is crucial to seek immediate medical assistance if any erection persists for longer than four hours, as this can signify a serious condition.
What are the side effects of sildenafil?
Like all medications, sildenafil has the potential to cause side effects, some of which can be severe. Commonly reported side effects include headaches, flushing (characterized by warm, red skin, typically affecting the face, neck, ears, or chest), nasal congestion, and indigestion. These side effects are generally temporary, subsiding as the medication wears off. Should these effects become bothersome or persist, it is advisable to consult your doctor.
It is critical to seek immediate medical attention if you experience serious side effects, such as sudden hearing loss or impairment, visual disturbances (including changes in color perception, blurred vision, or heightened sensitivity to light), a sudden drop in blood pressure, or an erection lasting longer than four hours. There have been rare instances of serious eye conditions that may lead to alterations in vision, including temporary or even permanent vision loss. Additionally, sildenafil may cause abnormal heart rhythms, heart attacks, or strokes, particularly in individuals with pre-existing heart conditions. Always discuss your complete medical history with your Walgreens healthcare provider to ensure sildenafil is safe for you.
How to get sildenafil for erectile dysfunction through Walgreen’s Virtual Care
During your appointment with Walgreens Virtual Healthcare, your healthcare provider will conduct a thorough assessment of your symptoms and explore potential treatment avenues. They will determine if sildenafil tablets are an appropriate option for addressing your erectile dysfunction.
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Frequently Asked Questions
- Is sildenafil available over the counter?
No, sildenafil is not sold over the counter. A valid prescription from a licensed healthcare provider is necessary in order to obtain it.
- Do you need a prescription for sildenafil?
Yes, acquiring a prescription is mandatory to obtain sildenafil, as it is not available for purchase over the counter.
- What drugs interact with sildenafil?
Drug interactions can significantly impact the effectiveness of your medications and may heighten the risk of adverse side effects. Sildenafil has identifiable interactions with other prescribed medications and over-the-counter products, such as vitamins and supplements. It is essential to thoroughly discuss all your current medications and supplements with your Walgreens healthcare provider and pharmacist before commencing sildenafil.
- What are the differences between sildenafil and Viagra?
Sildenafil is the generic counterpart of Viagra. Both formulations contain the same active ingredient and are utilized for treating erectile dysfunction effectively.
- Will insurance cover a sildenafil prescription?
Coverage for sildenafil prescribed for erectile dysfunction may vary based on your insurance plan. It is advisable to contact your insurance provider to determine if sildenafil is included in your coverage.
- Does Walgreens offer the brand Viagra?
Yes, Walgreens Virtual Care provides access to both the brand name Viagra and the generic formulation of sildenafil for erectile dysfunction treatment. Consult your healthcare provider to assess which option is most suitable for your needs.
- Can sildenafil be taken with food or alcohol?
Sildenafil can be ingested with or without food. However, consuming alcohol while taking this medication may elevate the risk of experiencing low blood pressure. It is recommended to limit or avoid alcohol consumption during the course of sildenafil treatment.
- Sildenafil vs. tadalafil: What’s the difference?
Sildenafil (the generic for Viagra) and tadalafil (the generic for Cialis) are both PDE-5 inhibitors that have a similar mechanism of action to treat erectile dysfunction. Both can be taken on an as-needed basis, at least 30 minutes prior to sexual activity, but with a maximum frequency of once every 24 hours. Tadalafil may have a longer duration of action within the body compared to sildenafil, leading to the availability of lower-strength tadalafil formulations that can be taken daily, regardless of sexual activity timing. It is crucial never to take sildenafil and tadalafil together. Consult with your healthcare provider to determine which medication aligns best with your individual health circumstances.
- Sildenafil vs. vardenafil: What’s the difference?
Sildenafil (the generic for Viagra) and vardenafil (the generic for Levitra) both belong to the class of PDE-5 inhibitors used to manage erectile dysfunction. While vardenafil is typically recommended to be taken one hour before sexual activity, sildenafil can be consumed as early as 30 minutes and up to four hours prior. The pharmacodynamic properties of both medications are similar, with both intended for as-needed use, limited to a maximum of once daily. Neither sildenafil nor vardenafil should be taken concurrently. For personalized guidance, engage with your healthcare provider regarding the most suitable medication for your condition.
References
1. Viagra (sildenafil citrate) tablets, for oral use. Package insert. Pfizer Labs. 2014.
2. Sildenafil: MedlinePlus drug information. MedlinePlus. Accessed February 19, 2025.
3. Cialis (tadalafil) tablets, or oral use. Package insert. Eli Lilly and Company. 2011.
4. Levitra (vardenafil hydrochloride) tablets, for oral use. Package insert. Bayer HealthCare Pharmaceuticals Inc. 2014.
Disclaimers
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