Hormones

Estradiol Patch Shortage 2025–2026: Compounded Alternatives & Dose Conversion Guide

With major estradiol patches on backorder, many women on HRT are left scrambling. Here's how compounded estradiol creams, gels, and troches can fill the gap, with a clinician-ready dose conversion table.

Generation Pharmacy

2025-06-12

If you're one of the millions of women on estradiol patches for menopause or hormone replacement therapy, you may have already hit the wall: your pharmacy can't fill your prescription. The estradiol transdermal patch shortage, affecting brands like Vivelle-Dot, Climara, and their generics, has been ongoing since late 2024 and shows no sign of resolving quickly. Here's what you need to know about switching to a compounded alternative, and the dose conversion guide your provider needs to write the prescription.

What's causing the estradiol patch shortage?

ASHP added estradiol transdermal system to its shortage list on January 30, 2026. By spring the bulletin named fourteen backordered twice-weekly patches from Amneal (Dotti, Lyllana), Mylan/Viatris, Noven, Sandoz and Zydus. The FDA has not designated an official shortage. Its position is that all manufacturers are producing at capacity and demand has simply outrun them. That surge followed the agency's removal of the boxed warning on hormone therapy in late 2025. Without a formal designation, pharmacies have fewer tools to substitute, even while the shelf is empty. All standard strengths are affected, 0.025 mg/day through 0.1 mg/day. Sources are listed at the end of this article.

What compounded alternatives exist for estradiol patches?

A 503A compounding pharmacy like Generation Pharmacy can prepare estradiol in several non-patch dosage forms, all requiring a prescription from your provider:

KeyPoints: Topical estradiol cream, applied to the inner arm or thigh, delivers estradiol transdermally similar to a patch| Topical estradiol gel, lighter vehicle, faster absorption, same transdermal delivery principle| Bi-Est cream (estradiol + estriol), combines two bioidentical estrogens, most commonly in an 80/20 estriol-to-estradiol ratio| Sublingual estradiol troche, dissolves under the tongue for rapid absorption bypassing first-pass metabolism| Oral estradiol capsule, traditional oral delivery, though first-pass liver metabolism may affect dosing

Estradiol patch to compounded cream: dose conversion table

The following table provides starting-point dose equivalencies for converting from an estradiol patch to a compounded topical cream. These are evidence-based estimates. Your provider should confirm with follow-up labs.

Estradiol Patch (mg/day)	Compounded Cream Dose	Application
0.025 mg/day	0.25 mg estradiol cream applied daily	Inner forearm or thigh
0.0375 mg/day	0.375 mg estradiol cream applied daily	Inner forearm or thigh
0.05 mg/day	0.5 mg estradiol cream applied daily	Inner forearm or thigh
0.075 mg/day	0.75 mg estradiol cream applied daily	Inner forearm or thigh
0.1 mg/day	1.0 mg estradiol cream applied daily	Inner forearm or thigh

Topi-CLICK dosing: clicks and days supply

Generation Pharmacy dispenses estradiol cream in Topi-CLICK metered-dose applicators. The Topi-CLICK meters by volume, and we compound the cream concentration to match your patient's dose. So the click count stays simple and every fill is an exact 30, 60, or 90-day supply based on the dispenser:

KeyPoints: 30-day supply. Topi-CLICK 35: apply 4 clicks (1 mL) daily, 30 mL fill| 60-day supply. Topi-CLICK 35: apply 2 clicks (0.5 mL) daily at double concentration, 30 mL fill| 90-day supply. Topi-CLICK 140: apply 2 clicks (1 mL) daily, 90 mL fill, same concentration as the 30-day option

Patch Dose	Cream Strength	Clicks/Day	Estradiol/Day	30-Day Qty	90-Day Qty
0.025 mg/day	0.25 mg/mL	4 clicks	0.25 mg	30 mL Topi-CLICK 35	90 mL Topi-CLICK 140
0.0375 mg/day	0.375 mg/mL	4 clicks	0.375 mg	30 mL Topi-CLICK 35	90 mL Topi-CLICK 140
0.05 mg/day	0.5 mg/mL	4 clicks	0.5 mg	30 mL Topi-CLICK 35	90 mL Topi-CLICK 140
0.075 mg/day	0.75 mg/mL	4 clicks	0.75 mg	30 mL Topi-CLICK 35	90 mL Topi-CLICK 140
0.1 mg/day	1.0 mg/mL	4 clicks	1.0 mg	30 mL Topi-CLICK 35	90 mL Topi-CLICK 140

What about Bi-Est instead of estradiol alone?

That said, some providers use the patch shortage as an opportunity to discuss Bi-Est formulations, a combination of estriol (80%) and estradiol (20%) in a single cream. Bi-Est is the most commonly prescribed compounded BHRT formulation and offers some potential advantages:

KeyPoints: Estriol provides local tissue support (vaginal, skin) with weaker systemic estrogenic activity| The 80/20 ratio delivers estradiol for systemic menopausal symptom relief while estriol supports mucosal tissues| Bi-Est is fully customizable. Your provider can adjust the ratio and total dose based on your labs and symptoms| Common starting dose: 2.5mg Bi-Est cream daily (0.5mg estradiol + 2.0mg estriol)

Bi-Est Total Dose	Estradiol Component	Estriol Component	E2 Component Matches Patch
1.25 mg/day	0.25 mg	1.0 mg	0.025 mg/day
2.5 mg/day	0.5 mg	2.0 mg	0.05 mg/day
3.75 mg/day	0.75 mg	3.0 mg	0.075 mg/day
5.0 mg/day	1.0 mg	4.0 mg	0.1 mg/day

What should I tell my provider?

If your patch prescription can't be filled, bring this information to your provider's attention:

Your current patch strength and how long you've been on it. This determines the starting compounded dose
Any breakthrough symptoms, hot flashes, night sweats, mood changes, sleep disruption, that suggest your current dose may need adjustment regardless
Your preference for dosage form. Most patients converting from patches prefer a topical cream (similar transdermal delivery) but troches and capsules are also available
That Generation Pharmacy can compound it. Your provider can call, fax, or e-prescribe to us via SiPrescribe. We can also discuss formulation options directly with your provider.

How quickly can Generation Pharmacy compound my estradiol?

Most BHRT prescriptions are compounded within 1–2 business days and shipped directly to your door statewide in California. If you're currently without your estradiol, let us know when you call. We prioritize patients transitioning due to shortages.

USP 795 and USP 800 standards in West Los Angeles. We do not compound injectable or sterile preparations." 
          data-variant="info"
          data-title="Info">

Will the patch shortage end?

The FDA does not provide specific timelines for shortage resolution. Based on historical patterns with hormone product shortages, resolution can take 6–18 months depending on the manufacturer. In the meantime, compounded estradiol preparations are a clinically appropriate alternative that your provider can prescribe and adjust as needed.

If you're affected by the estradiol patch shortage, browse our Bi-Est BHRT formulation, read about estradiol as a compounding ingredient, or call 424-228-1049 to speak with a pharmacist about transitioning your prescription.

References

ASHP Drug Shortages: Estradiol Transdermal System (bulletin first posted January 30, 2026; lists affected NDCs from Amneal, Mylan/Viatris, Noven, Sandoz and Zydus). www.ashp.org
FDA Drug Shortages database. Estradiol transdermal system not listed as of September 4, 2026; the agency reports manufacturers producing at capacity against increased demand. dps.fda.gov
Canadian Menopause Society. Systemic Menopause Hormone Therapy (MHT) Equivalency Table. Expert-consensus route equivalents; 50 mcg/day transdermal estradiol ≈ 1 mg oral estradiol. www.canadianmenopausesociety.org
The 2022 hormone therapy position statement of The North American Menopause Society. Menopause. 2022;29(7):767–794. doi:10.1097/GME.0000000000002028. menopause.org

Frequently Asked Questions

Why is there an estradiol patch shortage?

ASHP has listed estradiol transdermal system as a current shortage since January 30, 2026, naming twice-weekly patches from Amneal (Dotti, Lyllana), Mylan/Viatris, Noven, Sandoz and Zydus across the 0.025 to 0.1 mg/day strengths. The FDA has not designated an official shortage; it reports manufacturers producing at capacity while demand rises.

Can a compounding pharmacy make estradiol patches?

No, transdermal patches are a manufactured dosage form that requires FDA-approved facilities. However, compounding pharmacies can prepare topical estradiol creams and gels that deliver estradiol through the skin in a similar transdermal manner, as well as sublingual troches and oral capsules. These are prescribed by your provider as personalized alternatives.

Is compounded estradiol cream equivalent to an estradiol patch?

Compounded topical estradiol provides transdermal delivery similar to a patch, but absorption can vary based on application site, skin type, and cream base. Your provider will typically start with an evidence-based dose conversion and monitor estradiol blood levels at 4–6 weeks to confirm adequate absorption and adjust if needed.

Do I need new labs when switching from a patch to compounded estradiol?

Yes. Most providers recommend checking serum estradiol levels 4–6 weeks after switching to confirm the compounded preparation is achieving the same therapeutic range as your previous patch. Additional monitoring may include FSH if menopausal symptoms are being tracked.

Will my insurance cover compounded estradiol?

Most insurance plans do not cover compounded medications. At Generation Pharmacy, hormone compounds are cash-pay and generally HSA/FSA eligible. We quote the price before we fill. Call 424-228-1049.

Share this article

Disclaimer: This content is provided for informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult with a qualified healthcare professional regarding any medical condition or before starting any new treatment.

Longevity & Wellness

Compounded Peptides in 2026: What the FDA Panel Changed, and What a Non-Sterile Pharmacy Can Make Today

In July 2026 an FDA advisory committee recommended six peptides for the 503A list. None of them is legal to compound yet. Here is where each one stands, which peptides are components of approved drugs, and the non-peptide formulas prescribers are asking for most.

September 4, 2026