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DEMULEN 50 (21 DAY PACK) 50 MCG

ETHINYL ESTRADIOL : 50 MCG ETHYNODIOL DIACETATE : 1 MG · DIN 00028630 · PFIZER CANADA ULC

Health Canada status: CANCELLED POST MARKET

What is DEMULEN 50 (21 DAY PACK)?

DEMULEN 50 (21 DAY PACK) 50 MCG contains ETHINYL ESTRADIOL : 50 MCG ETHYNODIOL DIACETATE : 1 MG. It is listed in the Health Canada Drug Product Database under DIN 00028630, held by PFIZER CANADA ULC, supplied as TABLET for ORAL administration. Health Canada currently lists it as cancelled post market, status dated 01-Apr-2005. Nexara Health is a licensed Canadian wholesale distributor (DEL 3-002896-A) and can source this product for hospitals, pharmacies and clinics. Availability and lead time are confirmed per order.

What is DEMULEN 50 (21 DAY PACK) used for?

Prevention of pregnancy. Demulen 50 is for cases where low-dose estrogen formulations prove unacceptable.

Authorized indication as written in the Health Canada product monograph. For healthcare professionals and licensed purchasers; this is not medical advice.

Product details and regulatory record

DIN00028630
Brand nameDEMULEN 50 (21 DAY PACK)
Generic / active ingredientETHINYL ESTRADIOL : 50 MCG ETHYNODIOL DIACETATE : 1 MG
ManufacturerPFIZER CANADA ULC
Strength50 MCG
Dosage formTABLET
Route of administrationORAL
SchedulePrescription
ATC codeG03AA01 ETYNODIOL AND ESTROGEN
AHFS class68:12.00
BiosimilarNo
Health Canada statusCANCELLED POST MARKET
Status date01-Apr-2005
Original market date1970-12-31 00:00:00

How is it administered?

One tablet daily at the same time for 21 days, followed by 7 days off (21-day pack) or 7 days of inert tablets (28-day pack). Start on Day 1, Day 5, or first Sunday of cycle.

Included because it drives pack selection and wastage. Consult the monograph.

How is it stored and handled?

Not explicitly specified in the provided text.

How is it supplied?

21-day dispensers (21 active tablets) and 28-day dispensers (21 active and 7 inert tablets).

Contraindications

Thrombophlebitis, thromboembolic disorders, cerebrovascular/coronary artery disease, liver tumours/disease, breast or estrogen-dependent carcinoma, undiagnosed vaginal bleeding, pregnancy.

Warnings and precautions

Cigarette smoking increases risk of serious cardiovascular side effects, especially in women over 35. Discontinue if thromboembolic disorders, visual defects, or severe headaches occur.

What can be used instead?

Other Canadian products sharing ATC code G03AA01 ETYNODIOL AND ESTROGEN. 0 of 4 DINs in this group are currently marketed — marketed products are listed first, because that is what can actually be bought. These tables describe supply, not clinical equivalence: substitution rests with the prescriber or pharmacist, and interchangeability is determined provincially.

ProductStrengthFormManufacturerHealth Canada statusDIN
DEMULEN 30 (21 DAY PACK)30 MCGTABLETPFIZER CANADA ULCCANCELLED POST MARKETDIN 00469327
DEMULEN 30 (28 DAY PACK)2 MGTABLETPFIZER CANADA ULCCANCELLED POST MARKETDIN 00471526
DEMULEN 50 (28 DAY PACK)1 MGTABLETPFIZER CANADA ULCCANCELLED POST MARKETDIN 00343536

Can this still be bought in Canada?

No. This Drug Identification Number is cancelled post market in Health Canada's Drug Product Database, so the product is no longer authorized for sale in Canada and Nexara does not supply it. This page is kept as a regulatory record.

If you are looking for a current equivalent, the alternatives above list every product sharing this therapeutic class, with the marketed ones first. Ask us to source an alternative

Ordering questions

Who can buy this from Nexara?

Licensed entities only. Nexara holds Health Canada establishment licence DEL 3-002896-A and ships only to a licensed address.

Is there a minimum order?

Yes, set per product line and per pack multiple rather than on the order total, so you are never asked to buy a part-pack. The minimum for this line is confirmed with your quote.

What is the lead time?

Confirmed per order at quotation, and it depends on current stock position and whether the product is in shortage.

Can Nexara supply this for a clinical trial?

Yes — comparator and background-therapy supply, including sourcing from other markets where a Canadian pack will not satisfy the protocol. Clinical trial supply.

Health Canada Drug Product Database (DPD), DIN 00028630. Last reviewed 2026-09-10. Nexara Health is a licensed wholesaler and supplies licensed entities only; consumer orders are routed to a partner pharmacy.