Scream cream success rate: what the evidence actually shows

Last updated 2026-07-30

Is there an official success rate for scream cream?

No. There's no clinical trial, FDA filing, or peer-reviewed study of "scream cream" as a product, because it isn't one product. It's a compounding category name used by pharmacies to describe a topical mix, usually built around sildenafil, sometimes with L-arginine, and occasionally other vasodilators or hormones added in. Because it's compounded, it never goes through the FDA approval pathway that generates the success-rate numbers you'd see on a drug label ^[1]. That means any percentage you read online ("87% of women report improved arousal") is marketing copy, not data. No compounding pharmacy has published a controlled trial on its specific formula. The FDA's own compounding rules under Section 503A of the Federal Food, Drug, and Cosmetic Act allow pharmacies to prepare custom formulations for individual patients based on a prescription, but that framework doesn't require efficacy trials the way a New Drug Application does ^[2]. You're getting a mixed product built from ingredients that have their own, separate research records, not a tested whole. If you want a real read on what people experience, scream cream reviews and scream cream before and after collect that anecdotal picture. Just don't mistake anecdote for a success rate.

What's actually in scream cream, and does that vary by pharmacy?

Yes, and this is the detail most sites gloss over. Because there's no standard formula, one pharmacy's scream cream might be 4% sildenafil with L-arginine in a penetration-enhancing base, and another's might add minoxidil, testosterone, or a different vasodilator entirely. Strength varies too, sometimes by a factor of two or more between pharmacies. This matters for any success-rate conversation. A study on 5% sildenafil cream tells you nothing reliable about a 2% version with three added ingredients. When you read "scream cream works" or "scream cream doesn't work," ask which scream cream. The active ingredient, the concentration, the base cream, and the delivery vehicle all change the plausible effect, and none of that is standardized industry-wide. For a plain-language ingredient breakdown across common recipes, see scream cream pros and cons, which lays out what typically goes into these creams and the tradeoffs of each addition.

What does the actual research on topical sildenafil for women show?

Mixed, small, and old. The most-cited study is a 2003 trial published in the Journal of Sex and Marital Therapy, which tested topical sildenafil cream (Alprox-TD/topical sildenafil in some formulations) in women with female sexual arousal disorder and found improvements in some measures of arousal and lubrication compared to placebo, but the sample sizes were small and results weren't uniformly positive across all outcome measures ^[3]. Other trials from the early 2000s testing sildenafil citrate cream on women with arousal disorder linked to antidepressant use or general FSAD found modest, inconsistent benefit, with some studies showing no statistically significant difference from placebo on primary endpoints ^[4]. There is no large-scale, modern, well-powered randomized controlled trial specifically on a compounded "scream cream" formula. Most of what exists is decades old, tests sildenafil alone (not the multi-ingredient blends pharmacies now sell), and predates the current wave of compounding pharmacy marketing. A 2019 review in Sexual Medicine Reviews on treatments for female sexual dysfunction described the topical vasodilator evidence base overall as limited, noting that most agents (including topical sildenafil, alprostadil, and L-arginine combinations) lack the large confirmatory trials needed to establish reliable efficacy ^[5]. So the honest answer: some small trials show a signal, others don't, and nothing recent or large has settled it either way.

How does scream cream compare to Addyi and Vyleesi, the FDA-approved options?

Addyi (flibanserin) and Vyleesi (bremelanotide) are the only two FDA-approved medications for female sexual dysfunction, and both treat low sexual desire (hypoactive sexual desire disorder), not local genital arousal, which is the different problem scream cream targets ^[6][7]. Addyi's approval was based on trials showing roughly 0.5 to 1 additional "satisfying sexual event" per month compared to placebo, along with modest improvements on desire scales, in premenopausal women with HSDD ^[6]. It requires daily dosing, carries a boxed warning about severe hypotension and syncope with alcohol use, and is only available through certified prescribers and pharmacies under a REMS program ^[6]. Vyleesi, an as-needed injection, showed similarly modest results in its phase 3 trials (FDA review materials describe increases in desire and reductions in distress that were statistically significant but clinically modest for many patients), and commonly causes nausea, flushing, and injection site reactions ^[7]. Here's the key contrast: these two drugs went through full FDA New Drug Application review, meaning the trials, endpoints, and safety data are public and audited by regulators ^[6][7]. Scream cream has none of that. It also isn't trying to solve the same problem: Addyi and Vyleesi target brain-level desire, while topical sildenafil creams aim at local blood flow and physical arousal response. A woman with low desire and normal arousal function likely won't get much from a topical vasodilator. A woman with normal desire but poor local arousal or lubrication is the more plausible (though still unproven) candidate for something like scream cream.

Comparison: scream cream vs Addyi vs Vyleesi

Why hasn't scream cream been studied properly?

Money and incentive, mostly. Running a phase 3 trial costs tens of millions of dollars and years of work, and compounding pharmacies operate under a business model that doesn't require it. Under FDA compounding rules, a pharmacy can legally prepare a custom topical for an individual patient with a valid prescription without ever running a controlled trial on that specific mix ^[2]. There's no financial return for a pharmacy to fund research on a formula that any competitor could then copy anyway, since nothing is patented or exclusive. The FDA has also been explicit that compounded drugs, including office-style bulk compounding, are not FDA-approved and haven't been evaluated for safety or effectiveness the way approved drugs are; the agency's guidance on compounding states plainly that these products "have not been shown to be safe and effective" through FDA review ^[1]. That's not a knock on every compounding pharmacy's quality control, it's just a fact about the regulatory status. So the research gap isn't an oversight. It's structural. Nobody is incentivized to fill it, and the regulatory bar that forces the research for approved drugs simply doesn't apply here.

What do actual users report, and how reliable is that?

User reports lean positive but are exactly the kind of evidence that's easiest to overstate. Online reviews and pharmacy testimonials describe warmth, tingling, increased sensitivity, and easier arousal within 15 to 45 minutes of application, which lines up with what you'd expect from a vasodilator increasing local blood flow. Some describe no effect at all. The problem: none of this is controlled, blinded, or independently verified. There's a strong placebo effect in sexual response research generally, plus selection bias (people who felt nothing are less likely to post a review), plus the fact that pharmacy websites curate which testimonials they show. None of that means the reports are false. It means you can't use them to calculate a success rate, only to get a rough sense of what a plausible response feels like. For a fuller collection of that anecdotal record and a realistic timeline of when effects (if any) tend to show up, scream cream results timeline and scream cream first month what to expect are the better next reads than any single review site.

What side effects or risks affect whether it's worth trying?

Local irritation is the most commonly reported issue: burning, redness, or itching at the application site, which tracks with what you'd expect from a topical vasodilator on sensitive tissue. Because formulas aren't standardized, a cream with added ingredients (extra vasodilators, hormones, numbing agents) carries a different risk profile than a plain sildenafil-arginine base, and you often can't know the exact concentration without asking the compounding pharmacy directly. Systemic absorption through genital tissue is possible but generally low with topical application versus oral sildenafil, though this hasn't been rigorously quantified for compounded creams specifically. Anyone on nitrates or with uncontrolled low blood pressure should treat topical sildenafil with the same caution as oral sildenafil and talk to a prescriber first, since the mechanism (vasodilation) is the same even if the dose reaching the bloodstream is smaller. Because the FDA does not review compounded formulas for safety before they reach a patient, quality depends heavily on which pharmacy prepares it. This is one of the practical reasons a provider-reviewed path matters: a clinician can screen for contraindications like nitrate use, and a licensed compounding pharmacy partner (Scream Cream Rx works with a provider-reviewed pathway, not an in-house lab) can at least standardize what's actually going in the jar, even without a formal trial behind it.

Does scream cream work better for some women than others?

Probably, and this is the most defensible answer available. The 2000s-era sildenafil trials found the biggest signal in women whose arousal problems were tied to a physical or circulatory issue (like antidepressant-related sexual dysfunction or general FSAD with normal desire but poor genital response), and less benefit in women whose core issue was low desire itself ^[3][4]. That distinction matches the broader clinical picture: topical vasodilators plausibly help blood-flow-driven arousal problems, and plausibly do little for desire-driven ones. If your main complaint is "I want sex less than I used to," a topical cream is targeting the wrong system, and Addyi or Vyleesi (imperfect as they are) at least aim at the right one. If your complaint is "my body doesn't respond the way it used to even when I'm interested," a topical vasodilator has a more plausible mechanism, even without strong trial support. None of this is confirmed by rigorous modern research. It's a reasonable inference from old, small trials plus basic pharmacology, not a guarantee.

Is scream cream worth trying given the limited evidence?

That depends on what you're comparing it to and how much certainty you need before spending money. It's a low-commitment, as-needed option with a plausible (not proven) mechanism, modest cost relative to a specialist workup, and side effects that are usually local and reversible if you stop. It is not a guaranteed fix, and anyone promising a specific success percentage is not being straight with you. A reasonable way to think about it: if you understand you're trying an unproven, unstandardized compounded product, going in through a provider-reviewed pathway (rather than an anonymous online seller) at least gets you a clinician checking for contraindications and a named, licensed pharmacy actually making the product, which is a meaningfully different risk profile than an unverified site. Scream Cream Rx's model routes orders through provider review to a licensed compounding pharmacy partner for exactly that reason, though the product itself remains outside FDA approval regardless of who dispenses it. For the full weighing of cost versus plausible benefit, is scream cream worth it walks through that decision in more depth than a success-rate article can.

What would it take to actually know the success rate?

A real answer requires what doesn't currently exist: a randomized, placebo-controlled trial on a specific, fixed formula, with a validated outcome measure (like the Female Sexual Function Index, a commonly used 19-item questionnaire in this research area) ^[5], run on enough women to detect a real effect, and published in a peer-reviewed journal. Until a pharmacy or manufacturer funds that kind of study on an actual scream cream formulation, more than its individual ingredients, there's no honest percentage to give you. That's not a reason to assume it doesn't work. It's a reason to be skeptical of anyone claiming to know that it does at a specific rate. The gap between "plausible mechanism with some old, small supportive data" and "proven treatment with a known success rate" is exactly where scream cream currently sits, and it's likely to stay there unless the regulatory or funding picture changes.

Frequently asked questions

What percentage of women say scream cream works?

There's no published, verified percentage. Any specific number you see on a pharmacy or retailer website is marketing, not clinical data, because no controlled trial has tested a standardized scream cream formula. Small, older trials on topical sildenafil alone (one common ingredient) show mixed results, not a clean success rate.

Is scream cream FDA approved?

No. It's a compounded product prepared by pharmacies under FDA compounding rules (Federal Food, Drug, and Cosmetic Act Section 503A), which allow custom formulations by prescription without the efficacy trials required for FDA-approved drugs like Addyi or Vyleesi.

How long does scream cream take to work?

Users commonly report effects, if any, within 15 to 45 minutes of topical application, consistent with how topical vasodilators act locally. This isn't from a controlled trial timeline, it's the general pattern reported in reviews and older small studies on topical sildenafil.

What's the difference between scream cream and Addyi?

Scream cream is a compounded topical, usually sildenafil-based, aimed at local genital arousal and blood flow. Addyi is an FDA-approved daily pill for hypoactive sexual desire disorder, a brain-level desire problem, not a local arousal one. They target different mechanisms entirely.

Does scream cream contain the same ingredients as Viagra?

Often, yes in part. Many scream cream formulas include sildenafil, the active ingredient in Viagra, applied topically instead of taken orally, often combined with L-arginine. But formulas vary by pharmacy, so you can't assume any given jar matches this exactly.

Is there a standard scream cream formula?

No. There's no single recipe. Concentration of sildenafil, presence of L-arginine, and any added ingredients (hormones, other vasodilators) differ by compounding pharmacy, which means research on one formula doesn't reliably apply to another.

What did the original studies on topical sildenafil for women find?

A 2003 trial in the Journal of Sex and Marital Therapy and related early-2000s studies found some improvement in arousal and lubrication measures versus placebo in women with arousal disorder, but results were inconsistent across outcome measures and sample sizes were small.

Is Vyleesi more effective than scream cream?

They treat different problems, so direct comparison is misleading. Vyleesi has FDA-reviewed phase 3 trial data showing modest but statistically significant desire improvement. Scream cream lacks any equivalent modern trial, though it targets physical arousal rather than desire.

Are there side effects to scream cream?

The most reported side effect is local irritation (burning, redness, tingling) at the application site. Systemic effects are possible but appear lower than with oral sildenafil. Anyone using nitrate medications or with uncontrolled low blood pressure should consult a prescriber first.

Why isn't scream cream FDA approved if it contains sildenafil?

Sildenafil itself is FDA-approved for erectile dysfunction, but the compounded topical female-arousal formula has never gone through FDA review as its own product. Compounding pharmacies can legally prepare it by prescription without that separate approval process.

Does scream cream help with low libido or only physical arousal?

Based on the older trial evidence, it appears more plausible for physical/genital arousal response than for low desire itself. Women whose main issue is reduced interest in sex, rather than reduced physical response, may see more benefit from desire-targeted options like Addyi or Vyleesi.

How much does scream cream cost compared to Addyi or Vyleesi?

Compounded creams are typically priced per pharmacy and often run lower per month than brand-name Addyi or Vyleesi, which can cost several hundred dollars monthly without insurance coverage. Exact scream cream pricing varies widely by compounding pharmacy and formula strength.

Sources

1. FDA, Human Drug Compounding: compounded drugs are not FDA-approved and have not been evaluated by FDA for safety and effectiveness
2. FDA, Compounding Under Section 503A of the FD&C Act: pharmacies may prepare custom compounded formulations for individual patients under a prescription without New Drug Application efficacy trials
3. Journal of Sex & Marital Therapy, topical sildenafil trial: topical sildenafil cream trial in women with arousal disorder showed some improvement in arousal/lubrication measures with inconsistent results across endpoints
4. PubMed, sildenafil citrate cream for antidepressant-associated female sexual dysfunction: early trials of topical sildenafil for antidepressant-related sexual dysfunction in women showed modest, inconsistent benefit
5. Sexual Medicine Reviews, treatments for female sexual dysfunction: review describing the topical vasodilator and L-arginine combination evidence base for female sexual dysfunction as limited, lacking large confirmatory trials
6. FDA, Addyi (flibanserin) prescribing information and approval: Addyi trials showed roughly 0.5 to 1 additional satisfying sexual event per month versus placebo, with boxed warning for hypotension and syncope with alcohol
7. FDA, Vyleesi (bremelanotide) prescribing information: Vyleesi phase 3 trials showed statistically significant but modest desire improvements, with nausea and flushing as common side effects