Comprehensive medication guide to Nonoxynol-9 including estimated pricing, availability information, side effects, and how to find it in stock at your local pharmacy.
Estimated Insurance Pricing
Most standard insurance plans do not cover OTC spermicide. HSA/FSA accounts can be used to purchase N-9 products with pre-tax dollars. Some state Medicaid plans may cover OTC contraceptives; check with your state plan. Title X family planning clinics provide spermicide at sliding-scale or no cost.
Estimated Cash Pricing
$8–$25 retail for a package of 6–12 doses; individual doses typically cost $1–$2.50 each. Buying multi-packs online can reduce cost to under $1 per dose. No prescription required.
Medfinder Findability Score
88/100
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Nonoxynol-9 (abbreviated N-9) is a nonionic surfactant used as the active ingredient in most over-the-counter vaginal spermicide products in the United States. It has been in use as a contraceptive agent for more than 60 years and is the only FDA-approved OTC spermicidal ingredient available in the US market.
It is available under several brand names including VCF (Vaginal Contraceptive Film and Gel), Encare, Conceptrol, Gynol II, and the Today Sponge. All of these products share nonoxynol-9 as their active ingredient and are available without a prescription at pharmacies, grocery stores, and online.
Nonoxynol-9 is classified as a spermicide and is indicated for the prevention of pregnancy. It can be used alone or in combination with barrier methods such as condoms, diaphragms, or cervical caps to improve contraceptive efficacy. It does NOT protect against sexually transmitted infections including HIV.
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Nonoxynol-9 is a surfactant — a detergent-like compound — that works by disrupting the lipid (fat-based) cell membrane of sperm. When sperm come into contact with N-9, the surfactant molecules interact with and break down the membrane surrounding the sperm cell, causing it to lose structural integrity. This results in the immobilization and death of the sperm cells.
N-9 also attacks the acrosome — the enzyme-containing cap on the sperm's head that is needed for egg penetration — making fertilization impossible even if any sperm survive initial membrane disruption. The mechanism is non-hormonal and acts locally in the vaginal canal without systemic absorption.
Gel and foam formulations work immediately upon insertion. Film and suppository forms require 10–15 minutes to fully dissolve and distribute. All standard N-9 products remain effective for up to 1 hour; the Today Sponge provides 24 hours of protection. A new dose is required for each act of intercourse after the 1-hour window expires.
52.5 mg — gel
Lower-concentration gel, typically for use with diaphragm
100 mg — gel
Mid-concentration gel for standalone use
150 mg — gel
Higher-concentration gel for standalone use (e.g., Conceptrol)
72–100 mg — film
Dissolving film (VCF Film) — insert 15 min before intercourse
100–150 mg — suppository
Foam-releasing suppository (Encare) — insert 10-15 min before
1000 mg (releases 125 mg) — vaginal sponge
Today Sponge — provides 24 hrs protection, multiple acts
As of 2026, nonoxynol-9 is not on the FDA's official drug shortage list. The product is manufactured by multiple companies and distributed under several brand names. However, individual pharmacies — particularly smaller stores — may not stock every brand or form, which can make finding a specific product frustrating.
Large chain pharmacies (CVS, Walgreens, Walmart, Target) are the most reliable local sources. Online retailers like Amazon and pharmacy.com consistently stock multiple brands. Because spermicide represents a small market share, some retailers allocate limited shelf space to these products.
If you're struggling to find nonoxynol-9 at your local pharmacy, medfinder can call pharmacies near you to check which ones have your medication in stock, texting you the results so you don't have to spend time calling around.
Nonoxynol-9 is an over-the-counter product and does not require a prescription. No licensed prescriber is needed to purchase or use N-9 spermicide products. However, healthcare providers who specialize in women's health, contraception, and family planning routinely counsel patients on appropriate use, dosage form selection, and compatibility with other contraceptive methods.
Providers who frequently discuss or recommend nonoxynol-9 include:
Obstetricians and Gynecologists (OB/GYNs)
Family Medicine Physicians
Nurse Practitioners (NPs) and Certified Nurse Midwives (CNMs)
Physician Assistants (PAs) in women's health
Planned Parenthood and Title X clinic staff
For patients seeking prescription-based alternatives (such as Phexxi or a diaphragm), these providers can prescribe remotely via telehealth in most states using services like Nurx, Wisp, or Planned Parenthood's telehealth platform.
No. Nonoxynol-9 is not a controlled substance and is not scheduled by the DEA. It is an over-the-counter (OTC) product that can be purchased without a prescription at any pharmacy, grocery store, or online retailer. There are no age restrictions on purchasing nonoxynol-9 spermicide products.
Because it is OTC, there are no refill restrictions, prescription requirements, or special authorization needed. Patients can purchase as many packages as they need at any time. Family planning clinics, including Planned Parenthood and Title X centers, may provide spermicide at reduced or no cost.
Most people tolerate nonoxynol-9 well, especially with occasional use. The most common side effects are local and include:
Vaginal irritation, burning, or itching
Penile irritation in partner
Increased vaginal discharge (from the product itself)
Increased risk of urinary tract infections (UTIs) with regular use
Increased susceptibility to yeast infections with frequent use
Allergic reaction: Hives, widespread rash, or swelling — discontinue use and seek care
Toxic Shock Syndrome (with Today Sponge): Rare but life-threatening; symptoms include sudden fever, vomiting, diarrhea, muscle pain, sunburn-like rash
Increased HIV transmission risk with frequent use: FDA-mandated warning — high-frequency use can cause mucosal lesions that may increase HIV risk in at-risk individuals
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Phexxi
FDA-approved 2020; prescription vaginal pH modulator; 86% typical-use efficacy; N-9-free; cannot be used with vaginal rings
Today Sponge
OTC barrier + N-9 spermicide combination; 24-hr protection; still contains nonoxynol-9
Male/Female Condoms
OTC; 87% typical-use efficacy (male); only method providing STD protection
Copper IUD (ParaGard)
Prescription; >99% effective; hormone-free; 10-year duration; eliminates ongoing supply needs
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Oil-based lubricants (petroleum jelly, baby oil)
moderateCan degrade latex condoms and diaphragms when used simultaneously, increasing risk of barrier failure. Avoid oil-based products with latex contraceptives.
Vaginal antifungal creams (miconazole, clotrimazole)
minorSome oil-based antifungal creams may weaken latex barriers. Avoid latex condom use during vaginal antifungal treatment courses.
Vaginal douches
moderateDouching within 6 hours of intercourse while using N-9 can wash away the spermicide, significantly reducing effectiveness.
Vaginal estrogen creams
minorSome estrogen creams are oil-based; may affect latex integrity if used concurrently. Space applications apart and check product labels.
Nonoxynol-9 has been a foundational contraceptive tool for over six decades. It remains the only FDA-approved OTC spermicidal ingredient in the US, widely available and affordable for most patients. Its greatest strength is its accessibility — no prescription, no hormones, and immediate on-demand use.
Its limitations are equally important to understand: a relatively high typical-use failure rate when used alone, no STD protection, and the potential for vaginal irritation with frequent use. Used as a complementary method alongside barrier contraception, N-9 provides meaningful additional pregnancy protection.
If you're ready to purchase and want help finding nonoxynol-9 near you, medfinder can call local pharmacies to check which ones have your medication in stock, saving you time and frustration. Simply enter your medication and location, and get results texted directly to you.
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Our medication guides are researched and written to help patients make informed decisions. All content is reviewed for accuracy and updated regularly. Learn more about our standards
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