Charan Vegivinti MD Charan Vegivinti MD
Charan Vegivinti MD
Internal Medicine Resident
Charan Vegivinti MD
Internal Medicine Resident

Dr.

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She completed her undergraduate studies at University of North Carolina at Chapel Hill (go Heels!) with a Bachelor of Science in Radiologic Science and a Minor in Chemistry. She took a position at University of California Los Angeles as a radiologic technologist in the department of Interventional Cardiology, further solidifying her passion for medicine. She also pursued the unique opportunity to lead departmental design and operational development at the Ronald Reagan UCLA Medical Center, sparking her passion for the business of healthcare. Dr. Brown then went on to obtain her doctorate in medicine from the prestigious Northwestern University - Feinberg School of Medicine and Masters in Business Administration from Northwestern University - Kellogg School of Management, with a concentration in Healthcare Management.

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During her surgical residency in Urology at University of California San Francisco, she utilized her research year to focus on innovations in telemedicine and then served as chief resident with significant contributions to clinical quality improvement. Dr. Brown then completed her Andrology Fellowship at Medical College of Wisconsin, furthering her expertise sildenafil chewable tablets in male fertility, microsurgery, and sexual function. Her dedication to caring for patients with compassion, understanding, as well as a unique ability to make guys instantly comfortable discussing anything from sex to sperm makes her a renowned clinician. In addition, her passion for innovation in healthcare combined with her business acumen makes her a formidable leader in the field of men’s health. Brown is an avid adventurer; summiting Mount Kilimanjaro in Tanzania (twice!) and hiking the incredible Torres del Paine Trek in Patagonia, Chile.

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She deeply appreciates new challenges and diverse cultures on her travels. She lives in Denver with her husband, two children, and beloved Bernese Mountain Dog.

Parameter Value Notes
Absorption Time 30–60 minutes Time to reach peak plasma levels
Half-life 4 hours Duration of effect
Bioavailability 40% Percentage absorbed into bloodstream
Metabolism Liver enzymes (CYP3A4, CYP2C9) Processed primarily in liver
Excretion Mainly in feces, some in urine How the drug leaves body

You can find Dr. Brown on sildenafil 20 mg tablets LinkedIn for more information. Urology Residency, University of California San Francisco Urology Residency, University of California San Francisco Northwestern University Feinberg School of MedicineB.S. in Radiologic Science, Chemistry Minor, University of North Carolina at Chapel Hill Northwestern University Feinberg School of MedicineB.S. in Radiologic Science, Chemistry Minor, University of North Carolina at Chapel Hill Cowan, B, Walker, K., Rodgers, K., Agyemang, J. Hormonal Management Improves Semen Analysis Parameters in Men with Abnormal Concentration, Motility, and/or Morphology.

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Phosphodiesterase type 5 inhibitors as a treatment for erectile dysfunction: Current information and new horizons. Erectile Dysfunction: A Review of Historical Treatments With a Focus on the Development of the Inflatable Penile Prosthesis. Hims & Hers has strict sourcing guidelines to ensure our content is accurate and current. We rely on peer-reviewed studies, academic research sildenafil citrate 150 mg red pill institutions, and medical associations. We strive to use primary sources and refrain from using tertiary references.

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Dr. Kelly Brown is a board certified Urologist and fellowship trained in Andrology. She is an accomplished men’s health expert with a robust background in healthcare innovation, clinical medicine, and academic research. Dr. Brown was previously Medical Director of a male fertility startup where she lead strategy and design of their digital health platform, an innovative education and telehealth model for delivering expert male fertility care. Fertility and Sterility, Volume 118, Issue 5, e4.

Study Number of Participants Improvement Percentage Duration of Study
Phase III Trial A 300 85% reported improvement 12 weeks
Phase III Trial B 250 80% achieved satisfactory response 10 weeks
Real-world Study C 500 78% effectiveness reported 6 months

Cowan, B, Walker, K., Rodgers, K., Agyemang, J.

What side effects can this medication cause?

Both Viagra and sildenafil work best when taken at least 30 minutes to an hour before sexual activity (and no more than four hours beforehand). You can take Viagra or generic sildenafil with or without food, but should avoid taking either with a high-fat meal, as it can make both medications take longer to take effect in your body. If you don’t experience any improvement in your erectile function after using Viagra or generic sildenafil, don’t simply take more of this medication. Instead, let your healthcare provider know — they may recommend adjusting your dosage or trying a different ED medication. Although sildenafil works similarly to other PDE5 inhibitors like vardenafil (Levitra), the two have different dosages.

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Vardenafil, for example, uses a lower dose, although not necessarily stronger than Viagra. Since brand-name Viagra and generic sildenafil contain sildenafil and come in the same range of dosages, both medications can cause the same range of side effects. We’ve divided the side effects into two groups: common and rare. We’ve also included a note about serious drug interaction risks that you should seek to avoid and alert your healthcare provider to before taking sildenafil. Common side effects of Viagra and generic sildenafil include: Changes in your perception of color, such as a visible blue tinge or difficulty telling the difference between the colors blue and green Changes in your perception of color, such as a visible blue tinge or difficulty telling the difference between the colors blue and green Most of these side effects resolve on their own as the medication leaves your body. Regret Regarding Fertility Preservation Decisions Among Male Cancer Patients. The Journal of Urology, 201(Supplement 4), e680-e681.

  • Pfizer sildenafil 50mg can improve confidence in men with ED.
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Feasibility Study of Video Telehealth Clinic Visits in Urology. The Journal of Urology, 201(Supplement 4), e545-e545. Erectile dysfunction is a condition in which you have trouble getting or keeping an erection firm enough for satisfying sex.

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In rare cases, Viagra and generic sildenafil may cause serious side effects, such as: Priapism (a persistent, often painful erection lasting longer than four hours) Priapism (a persistent, often painful erection lasting longer than four hours) Lightheadedness and dizziness (typically brought on by low blood pressure when combined with other medications) Lightheadedness and dizziness (typically brought on by low blood pressure when combined with other medications) If you experience any of these severe side effects, seek medical attention immediately. Both Viagra and generic sildenafil can interact with other medications, including alpha-blockers, nitrates, and other medications used to treat hypertension (high blood pressure), heart disease, and other cardiovascular health issues. As such, you’ll want to tell your healthcare provider if you’re taking any prescription or over-the-counter medications, or if you’ve had previous heart issues like angina, chest pain, or a heart attack. Our complete guide to Viagra (sildenafil) side effects discusses the side effects and interactions listed above in more detail. Minor differences in packaging and pill appearance aside, brand-name Viagra and its generic counterpart, sildenafil, are exactly the same medication.

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If you have erectile dysfunction, both medications should produce a noticeable boost to your sex life by improving your erections and sexual performance. The key difference, as we mentioned above, is price. While Viagra is relatively expensive, you can purchase generic sildenafil tablets at a much more affordable price. In addition to sildenafil and Viagra, Hims offers access to other proven ED medications online including: Tadalafil (Cialis®): Tadalafil (Cialis) can provide relief from erectile dysfunction for up to 36 hours per dose Tadalafil (Cialis®): Tadalafil (Cialis) can provide relief from erectile dysfunction for up to 36 hours per dose Vardenafil (Levitra®): Vardenafil (Levitra): Offers relief from ED for slightly longer than sildenafil Vardenafil (Levitra®): Vardenafil (Levitra): Offers relief from ED for slightly longer than sildenafil Chewable ED meds: Hard Mints come in discreet packaging and are made with similar ingredients to Viagra® and Cialis® at different dosages Chewable ED meds: Hard Mints come in discreet packaging and are made with similar ingredients to Viagra® and Cialis® at different dosages You can learn more about these medications in our complete guide to the best pills for treating erectile dysfunction or access FDA-approved ED medications with Hims online. Schedule a call with a healthcare professional today. Erectile dysfunction affects as many as 30 million men in the United States. Premature ejaculation (PE) is a sexual dysfunction characterized by a short ejaculatory latency, a perceived lack of control about the timing of ejaculation, and distress and interpersonal difficulty related to ejaculating too quickly. Low testosterone or testosterone deficiency, also known as hypogonadism, is a condition in which patients develop symptoms such as low sex drive, erectile dysfunction (ED), and fatigue because the body doesn’t produce enough testosterone.

Storage Condition Details Notes
Temperature Store below 25°C (77°F) Avoid heat and humidity
Light Exposure Keep in original container, shield from light Protect from sunlight
Shelf Life Typically 2–3 years Check expiry date before use

Though many men don’t like to talk about it, ejaculation problems are very common.

  • Sildenafil is useful in treating erectile dysfunction caused by various factors.
  • It is recommended to avoid heavy meals close to medication time.
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Some of the most common issues include premature, delayed, or retrograde ejaculation. Your pelvic floor is a lot like plumbing in your home: you never really think about it unless something goes wrong. When you think of male sexual dysfunction, concerns like erectile dysfunction (ED) or premature ejaculation (PE) probably come to mind first. But there’s another sex-related issue that’s more common in men than you might expect: difficulty orgasming. Pronunciation: sil-DEN-a-fil Generic name: sildenafil Brand names: Revatio, Viagra, Vybrique Dosage form: tablets (20 mg; 25 mg, 50 mg, 100 mg), injection (10 mg/12.5 mL), oral suspension (10 mg/mL), oral film (25 mg, 50 mg, 75 mg, 100 mg) Drug classes: Agents for pulmonary hypertension, Impotence medications Sildenafil is used to treat erectile dysfunction (ED) in adult men or pulmonary arterial hypertension (PAH) in adults and children, depending on the brand or formulation. Sildenafil tablets (25 mg, 50 mg, 100 mg; Viagra, generic) and sildenafil oral film (25 mg, 50 mg, 75 mg, 100 mg; Vybrique) are used for ED. Sildenafil tablets (20 mg; Revatio, generic), sildenafil oral suspension (Revatio, generic), and sildenafil injection (Revatio, generic) are used for PAH.

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