O-Mmazing Cream (Topical Sildenafil): A Menopause Guide to Vaginal Arousal Support

So many things change in perimenopause, from the thickness of your hair to weight gain. One under-discussed change? Your ability to orgasm. 

If you find that it takes longer to get aroused, you’re not as sensitive to touch, or that the orgasms you do have don’t feel as intense or give you the same full-body pleasure they once did, this is often a result of fluctuating hormones.

As your estrogen levels decline, blood flow to your genitals can decrease, vaginal and vulvar tissues can become thinner and drier, and natural lubrication may take longer to kick in. All of these changes can make it harder for your body to respond to sexual stimulation.

But that doesn’t mean these weaker (or non-existent) orgasms are your new normal. Treatments like O-mazing, aka our prescription topical sildenafil cream, can help support stronger physical arousal and sensation. Sildenafil cream doesn’t treat low desire but it can support the physical side of arousal by increasing blood flow and sensation where you apply it.

Ahead, learn how it works, when you might use it, and what you should know before adding it to your sex life.

Why Menopause Can Change the Way Sex Feels

Arousal, desire, and orgasm are all connected, but that doesn’t mean they’re one and the same. For instance, mentally, you may crave sex, but your body might not be giving you the signs to reflect that. Or, maybe you don’t struggle with getting physically aroused, but you feel distant from spontaneous desire.

Menopause can make that mind-body disconnect more noticeable. That’s because estrogen helps support blood flow, elasticity, lubrication, and tissue health throughout your vulva and vagina. So when estrogen levels begin to ping-pong up and down, you may notice that it takes more clitoral stimulation to become aroused or even reach orgasm.

Vaginal dryness and painful sex can complicate things even further. If penetration hurts, it can be difficult to relax and get excited about having sex in the first place. That’s why figuring out what has changed (i.e., your desire, arousal, sensation, comfort, or a combination of all of these) is key to finding the right way to address it.

What Is Topical Sildenafil?

You probably recognize sildenafil by another name: Viagra. Oral sildenafil is famously used to treat erectile dysfunction in men by increasing blood flow to the penis. But blood flow also plays an important role in female sexual arousal.

Topical sildenafil uses the same active medication but, instead, it’s applied directly to external genital tissue rather than swallowed as a pill. O-mazing is a prescription compounded cream designed to increase local blood flow and physical sensation around the vulva and clitoris.

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As blood flow increases, your clitoris and surrounding tissues become engorged and more sensitive. Sildenafil supports the pathway responsible for that increased circulation, which can potentially make your body more responsive to sexual stimulation.

What Can You Expect From O-mazing?

When using O-mazing, you may find that you feel more warmth or sensitivity, increased clitoral engorgement, or feel more aware of touch. Always apply the cream before you engage in intimacy and give it enough time to take effect.

Research on sildenafil for female sexual dysfunction or hypoactive sexual desire disorder remains pretty limited, especially compared with the decades of research on erectile dysfunction in men. Some research shows that sildenafil can increase clitoral blood flow and improve aspects of sexual response in postmenopausal women.

"Topical sildenafil cream can improve outcomes among women with female sexual arousal disorder, most significantly in those who did not have concomitant orgasmic dysfunction," says Dr. Amy Hayes, MD, FACOG, MSCP, a board-certified obstetrician-gynecologist with 25 years of clinical experience. "In particular, topical sildenafil cream increased sexual arousal, sensation, desire, and orgasm, and reduced sexual distress." 

Dr. Hayes cited a 2024 randomized controlled trial published in Obstetrics & Gynecology (Johnson, Thurman, Cornell, et al.)

Still, sildenafil cream isn’t a universal fix for every sexual issue during menopause. Try to identify why you’re not as interested in sex. For example, if stress, relationship conflict, pain, or medication side effects are zapping your libido, then increasing blood flow alone won’t target the root problem.

How O-mazing Differs From Other Vaginal Products

Vaginal estrogen (such as gels or creams) helps restore estrogen to vaginal and vulvar tissues affected by genitourinary syndrome of menopause (GSM). Over time, this can improve dryness, tissue thickness, elasticity, and reduce pain with penetration. Topical sildenafil is specifically aimed at increasing blood flow, which, in part, can help enhance arousal and sensation.

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Water-based lubricants, on the other hand, help reduce friction during penetrative sex. Vaginal moisturizers, such as hyaluronic acid-based products, are meant to provide more ongoing hydration between intimate moments.

It’s possible that you may only need one of these things, but you may also benefit from a combination. These treatments can often be used together, but always be sure to clear your specific combination with a menopause-informed doctor.

For example, if sex hurts because your vaginal tissue is dry and you’re having trouble becoming physically aroused, addressing your tissue health alongside your arousal concerns can help you find relief in both areas.

How Do You Use Topical Sildenafil?

You can use topical sildenafil when you’re planning to be sexually active rather than applying it every day like topical testosterone or some menopause medications.

Follow the exact instructions that come with your prescription. With O-mazing, you apply the cream externally to your clitoris and labia before sexual activity, but we recommend that you allow 15-30 minutes for it to take effect. 

If you begin feeling warm or tingly in that area, just know that’s a normal sign that blood flow is increasing. Mild redness or sensitivity can also happen. This is one reason why more topical sildenafil isn’t necessarily better. Remember, your vulvar tissue is sensitive, especially if you’re already dealing with GSM, so use the amount your clinician prescribes rather than slathering on extra cream in hopes of getting a bigger response.

And, if your skin is irritated, infected, or otherwise unhappy that day, consider taking a break from the cream and make a game plan with your doctor on when, and how, to resume.

Potential Side Effects

Like any prescription medication, topical sildenafil can come with side effects. As we mentioned, you might see some redness or experience some irritation in the area you applied the cream. Sildenafil has also been linked to systemic side effects such as headache, flushing, dizziness, and nausea, though these studies have largely been done with women who took oral sildenafil, not topical. 

“Topical sildenafil cream has a favorable, low-risk safety profile,” Dr. Hayes said. “In a 12-week randomized trial of 3.6% topical sildenafil, adverse events were no more common than with placebo, and all reported events were mild or moderate. The most common treatment-related issue was temporary discomfort or irritation at the application site.  Adverse events in exposed sexual partners were also uncommon. Topical formulations can still potentially cause systemic side effects depending on dose, formulation, and absorption. It is important, therefore, to follow your physician’s instructions.” 

A menopause-informed doctor also needs to know what current medications you’re taking as well as your cardiovascular history before prescribing it. That’s largely because sildenafil can interact with nitrates (often found in cardiovascular-related medications) and other drugs that affect your blood pressure.

Sometimes Better Sex Requires More Than One Solution

Sexual changes during menopause are rarely siloed and treatment often helps target multiple issues at once. Maybe your vagina feels dry, your clitoris isn’t as sensitive, and your libido is temporarily MIA. Add poor sleep, stress, pelvic floor tension, medications, or relationship dynamics to the equation, and well, it’s clear why one magical menopause sex treatment doesn’t yet exist.

Because there are so many layers to sex, desire, arousal, and orgasm, combination treatment often makes the most sense. Vaginal estrogen, for instance, may help improve your tissue health and comfort. Lubricants can reduce friction during intimacy.

Topical sildenafil specifically can help in the physical arousal and sensation departments, whereas pelvic floor physical therapy can help you manage and treat muscular tension or pain. 

Sex at 45, 55, or 65 isn’t supposed to feel the same as 25, but different doesn’t have to mean worse. Identifying what’s changed is the first step toward finding the treatment, or combination of treatments, that can help sex feel pleasurable (and exciting!) again.

Frequently Asked Questions

How does topical sildenafil cream help with sexual arousal during perimenopause?

Topical sildenafil increases local blood flow to external genital tissues, causing the clitoris and surrounding areas to become engorged and more sensitive to physical touch. While it does not treat low mental desire, it supports the physical side of arousal by making the body more responsive to sexual stimulation.

How and when should topical sildenafil cream be applied?

Apply the cream externally to the clitoris and labia 15 to 30 minutes before planned sexual activity to allow enough time for it to take effect. It is used as needed before intimacy rather than applied daily, and you should use only the amount prescribed to prevent skin irritation.

How does topical sildenafil differ from vaginal estrogen and lubricants?

Topical sildenafil specifically increases circulation to enhance physical arousal and sensation. Vaginal estrogen restores tissue thickness, elasticity, and hydration over time to alleviate painful sex, while water-based lubricants serve to reduce surface friction during penetration.