PLAN B vs PROVERA

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 13, 2026·How we rate

Possible drug interaction. PLAN B and PROVERA are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	PLAN B	PROVERA
Rating	New	64/100
Pharmacy pays	~$192.31 /30	~$562.79 /30
Type	RX	RX
Active ingredient	LEVONORGESTREL	MEDROXYPROGESTERONE ACETATE
Manufacturer	Fdn Consumer	Pfizer
Dosage forms	Tablet	Tablet
Drug class	Progestin	Progestin
Boxed warning	None	Boxed warning
Half-life	about 36 hours (36 ± 13 hours at steady state)	—
Treats	—	Amenorrhea, Breast Neoplasms, Renal Cell Carcinoma

plan b provera

Rating

New

64/100

Pharmacy pays

~$192.31 /30

~$562.79 /30

Type

Active ingredient

LEVONORGESTREL

MEDROXYPROGESTERONE ACETATE

Manufacturer

Fdn Consumer

Pfizer

Dosage forms

Tablet

Drug class

Progestin

Boxed warning

None

Boxed warning

Half-life

about 36 hours (36 ± 13 hours at steady state)

—

Treats

—

Amenorrhea, Breast Neoplasms, Renal Cell Carcinoma

Frequently asked questions

Which is cheaper, Plan B or Provera?

Plan B costs pharmacies less to acquire — about $192.31 vs $562.79 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Plan B and Provera?

Plan B contains Levonorgestrel, while Provera contains Medroxyprogesterone Acetate — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.