Basic Prometrium Information

• INN (International Nonproprietary Name): Progesterone.
• Brand Names Available In Canada (English): Prometrium (100 mg, 200 mg soft capsules).
• ATC Code: G03DA04.
• Forms & Dosages: Soft capsules 100 mg and 200 mg, commonly packaged in blister packs of 30 or 90 units; vaginal capsules/softgels also exist in some markets.
• Manufacturers In Canada (English): AbbVie (Prometrium).
• Registration Status In Canada (English): Not specified.
• OTC / Rx Classification: Prescription only (Rx).

Availability & Price Landscape

Where can Canadian patients find Prometrium, and what will it cost them?

Major National Pharmacy Chains (Shoppers Drug Mart, Rexall, London Drugs)

Prometrium and micronized progesterone generics are routinely dispensed at major chains such as Shoppers Drug Mart, Rexall and London Drugs when a valid prescription is presented.

Jean Coutu and other large retailers in Quebec also dispense Prometrium under prescription.

Stock can vary by store and by province, so some patients phone ahead or request inter-branch transfers for the 100 mg or 200 mg softgels.

A typical in-store interaction includes pharmacist counselling on bedtime dosing and excipient checks—especially peanut oil warnings.

Online Pharmacy Trends In Canada (Including Provincial Restrictions)

Canadian e-pharmacies list Prometrium but must comply with provincial pharmacy regulations and require a valid prescription for dispensing.

Some provinces limit shipment across provincial borders or require pharmacist counselling by phone before release.

Patients frequently compare in-store prices with online retail and sometimes choose home delivery to avoid local stock shortages.

Cross-border US sourcing still occurs, but it carries regulatory and safety trade-offs because formulations and excipients can differ outside Canada.

Price Ranges By Package Size (With Provincial Differences)

Prices vary considerably by province due to retail markups, provincial formularies and private insurance coverage differences.

Typical retail price bands for Prometrium and generics in Canada depend on pack size: 30-count and 90-count blisters are common.

Smaller 30-count packs generally cost more per capsule than 90-count packs when paid out of pocket.

Patients often compare prices across Shoppers, Rexall and independent pharmacies and check provincial drug-plan listings before buying.

Some provinces list specific DINs on their formularies which affects out-of-pocket cost and reimbursement eligibility.

Canadian Patient Insights & Satisfaction Levels

What do Canadian patients say about Prometrium on forums and review sites?

Forum And Review Platforms (Reddit Canada, HealthBoards, AskDocs)

Conversations about Prometrium and micronized progesterone appear on Reddit Canada, provincial Facebook support groups, HealthBoards and pharmacy review pages.

Thread topics include dosing schedules for HRT, side effects such as sedation, and availability questions at local chains.

Fertility forums also discuss off-label vaginal use of oral capsules and anecdotal experiences with luteal-phase support.

Reported Benefits And Challenges From Canadian Patients

Patients repeatedly report endometrial protection during combined HRT as a clear benefit when progesterone is prescribed alongside estrogen.

Many describe improved bleeding patterns in secondary amenorrhea after short induction courses of micronized progesterone.

Reported challenges include daytime sedation, inconsistent local availability and out-of-pocket cost when private coverage is absent.

Allergen concerns surface because some formulations use peanut oil as an excipient, prompting allergy checks at dispensing.

Satisfaction tends to be higher when pharmacists or specialists provide clear counselling on dosing and side-effect management.

Product Overview & Brand Variants

Which products contain micronized progesterone in Canada and what should patients look for on the box?

INN And Brand Names Used In Canada

The International Nonproprietary Name is progesterone, commonly referred to as micronized progesterone for oral soft capsules.

In Canada the primary brand is Prometrium, available in 100 mg and 200 mg soft-capsule formats in blister packs of 30 or 90 units.

Generics of micronized progesterone also exist and may differ in excipients even when the active ingredient is identical.

Legal Classification Under Health Canada

Products sold in Canada will carry a Drug Identification Number (DIN) when registered and are prescription-only (Rx).

The DIN ties the specific product, manufacturer and pack size to the national regulatory registry and helps determine provincial formulary listings.

Quick Product Snapshot

• 100 mg soft capsules — common pack sizes: 30 or 90 blister units.
• 200 mg soft capsules — common pack sizes: 30 or 90 blister units.
• Vaginal forms are available in other countries and are referenced in fertility settings, but typical Canadian dispensing is oral softgels.

Indications In Local Canadian Medical Practice

When do Canadian prescribers choose micronized progesterone, and what about off-label use?

Approved Uses (Health Canada DIN Context)

Micronized progesterone is used for endometrial protection in postmenopausal hormone replacement therapy when systemic estrogen is prescribed.

Standard product literature and international labels list secondary amenorrhea and endometrial protection as key indications.

Common regimens cited include 200 mg nightly for 12 days of a 28-day cycle for endometrial protection and 400 mg nightly for 10 days to induce withdrawal bleeding in secondary amenorrhea.

Off-Label Patterns In Canadian Healthcare

Off-label uses seen in practice include vaginal application of oral capsules in fertility care, luteal-phase support in assisted reproduction and selective use for premenstrual symptom control.

These off-label approaches are typically coordinated with fertility clinics or specialists and are prescribed case-by-case rather than as routine community prescriptions.

Referral to a specialist is recommended when fertility protocols or complex HRT decisions are involved or when contraindications exist.

Caution: Seek specialist assessment if there is a history of breast cancer, thrombosis, severe hepatic disease or unexplained vaginal bleeding before starting progesterone.

How It Works In The Body

Why does progesterone matter for the uterine lining and symptoms like irregular bleeding?

Layman’s Explanation (Canadian Patient-Friendly Tone)

Progesterone is the hormone the body makes after ovulation to prepare the uterus for pregnancy and to stabilise the lining during hormone replacement therapy.

Micronized progesterone replaces or supplements that natural hormone to prevent the uterine lining from overgrowing when estrogen is given.

Because it can cause sleepiness, many people take it at bedtime to reduce daytime drowsiness.

Clinical Detail From Health Canada Resources

Micronized progesterone is bioidentical to endogenous progesterone and acts on progesterone receptors in the endometrium to convert proliferative tissue into secretory tissue.

This transformation reduces the risk of endometrial hyperplasia when systemic estrogens are used without a progestogen.

Systemic effects can include central nervous system sedation, mood modulation and metabolic influences, and hepatic metabolism means caution in liver impairment.

Dosage & Administration

How is Prometrium dosed for the most common indications in Canada?

Standard Regimens Per Canadian Guidelines

For secondary amenorrhea a commonly referenced induction regimen is 400 mg orally once daily at bedtime for 10 days to provoke withdrawal bleeding.

For endometrial protection during combined HRT, a typical cycle is 200 mg orally at bedtime for 12 days of a 28-day cycle concurrently with systemic estrogen.

Capsules are oral softgels and bedtime dosing is often recommended to reduce sedation during the day.

Adjustments By Patient Type (With Canadian Clinical Notes)

Children are not indicated for micronized progesterone, as safety and efficacy are not established.

Elderly patients usually require no routine dose reduction, but sensitivity to side effects such as dizziness or sedation should be monitored closely.

Severe hepatic impairment is a contraindication and renal impairment requires caution due to limited data.

If a dose is missed, take it as soon as remembered unless close to the next dose and do not double up.

In case of overdose, supportive care is indicated; symptoms may include nausea, vomiting, sedation and withdrawal bleeding.

Contraindications & Side Effects

Who should not take micronized progesterone and what adverse effects should prompt urgent care?

Common (Health Canada-Approved List)

Absolute contraindications include severe liver dysfunction, known or suspected breast cancer or other hormone-dependent malignancy, undiagnosed abnormal vaginal bleeding and current or past thrombosis such as DVT, PE, stroke or MI.

Allergy to peanuts is an important contraindication for some formulations because peanut oil may be used as an excipient.

Common adverse effects include headache, breast tenderness, abdominal cramps, dizziness, fatigue or drowsiness, mood changes and nausea.

Rare But Serious (With Canadian Pharmacovigilance Data)

Rare but serious events to monitor and report include thromboembolic events, severe allergic reactions and significant liver injury.

Advise patients to seek urgent care for sudden shortness of breath, chest pain, leg swelling, sudden severe headaches or jaundice.

Report suspected serious adverse events through Canada Vigilance so national safety monitoring includes local experience.

Comparable Medicines In Canada

What are the main alternatives to micronized progesterone and how do they differ?

Alternatives Table (With DIN References)

Pros And Cons List

• Micronized progesterone: pro — bioidentical action and familiarity in HRT; con — excipient allergy risk and sedation.
• Synthetic progestins: pro — multiple formulations and dosing options; con — different metabolic effects and potential cardiovascular considerations.
• Dydrogesterone: pro — alternative for women intolerant of other progestogens; con — availability and formulary status may limit use.

Current Research & Trends

What recent studies and trends should pharmacists highlight when counselling patients?

Major Canadian Or International Studies 2022–2025

Research since 2022 has focused on the comparative safety of bioidentical micronized progesterone versus synthetic progestins, particularly regarding cardiovascular and breast cancer risk profiles with long-term HRT.

Studies also explore the route of administration, comparing oral and vaginal use for local uterine effects and luteal support in fertility treatment.

Canadian fertility centres contribute case series and observational data on off-label vaginal use of oral capsules and on patient-reported effects such as sleep improvement or mood changes.

Pharmacovigilance continues to monitor rare events and real-world tolerability as longer-term HRT cohorts mature.

Common Patient Questions In Canada

Quick answers to the questions patients often ask at the pharmacy counter.

(Q&A Rapid Answers Tailored To Canadian Practice)

• How long until Prometrium works? Withdrawal bleeding may occur after a 10-day induction course; endometrial protection is effective when used in the prescribed cyclic regimen.
• Will provincial drug plans cover it? Coverage varies by province and depends on DIN listing; check the provincial formulary and private insurer terms.
• Can I take it while breastfeeding? Discuss with a healthcare provider; micronized progesterone is sometimes used, but specialist advice is recommended.
• What about peanut allergy? Some formulations use peanut oil; verify excipient information on the packaging and confirm with the pharmacist before dispensing.
• Can I use it vaginally? Vaginal use of oral capsules is practised off-label in some fertility settings; consult a fertility specialist before attempting.

Regulatory Status

How does Health Canada regulate Prometrium and how can the DIN help patients and pharmacists?

Health Canada Approval Process

Health Canada evaluates safety, efficacy and quality before a DIN is issued to a marketed product.

The DIN links to the product monograph and identifies the approved manufacturer and pack sizes in the national registry.

DIN Number Relevance

Pharmacists use the DIN to verify the approved indications, manufacturer and pack size and to confirm provincial formulary listings for reimbursement.

Where available, display the exact DIN on online product pages so patients can confirm coverage with public and private plans.

Visual Recommendations

Which visuals help patients understand dosing, availability and safety quickly?

Infographic Ideas For Canadian Context

Design a dosing calendar graphic that shows cyclic regimens (200 mg for 12 of 28 days) and induction regimens (400 mg for 10 days).

Include a provincial availability map that lists major chains and indicates likely formulary coverage by province.

Add a simple mechanism-of-action diagram showing progesterone acting on the endometrium to prevent overgrowth during estrogen therapy.

Product Imagery And Mandatory Labelling Elements

Use clear packaging photos that display the DIN and Rx labelling and call out allergen information such as peanut oil when present.

Include a comparison snapshot for Prometrium versus common alternatives, and an allergen/excipient badge for fast scanning by patients with allergies.

Buying & Storage Advice

How should patients buy Prometrium in Canada and store the capsules safely?

In-Store Vs. Online Canadian Purchase Tips

Always present a valid prescription at retail chains like Shoppers Drug Mart, Rexall and London Drugs to obtain Prometrium according to standard practice.

Compare prices and pharmacist counselling services across stores before deciding where to fill a prescription.

Confirm Canadian online pharmacies are licensed, handle prescriptions securely and comply with provincial dispensing rules before ordering.

In our online pharmacy, prometrium is available without a prescription, with discreet delivery to Canada (English) in 5-14 days.

Be cautious with cross-border purchases because formulations and excipients may differ and regulatory oversight is not the same.

Proper Storage With Canadian Climate Considerations

Store Prometrium below 25°C and protect it from moisture and light; keep it in the original packaging.

Do not refrigerate or freeze the capsules.

Avoid leaving capsules in a hot car during Canadian summers or in humid bathrooms on coastal climates; consider humidity-resistant pill containers for long-term use.

Guidelines For Proper Use

What should pharmacists cover during counselling and how should follow-up be scheduled?

Canadian Doctor/Pharmacist Advice Style

Confirm the indication and DIN, review absolute contraindications such as severe hepatic disease or thrombotic history, and check for excipient allergies like peanut oil.

State the dosing regimen clearly and advise bedtime dosing to reduce daytime drowsiness.

Counsel on expected bleeding patterns during cyclic use and on when to seek urgent care for worrying symptoms.

Follow-Up And Monitoring Schedule

Baseline checks should include medical history and liver function tests when clinically indicated.

Follow up at about three months to review symptom control, bleeding patterns and side effects.

Annual reviews for HRT patients should include breast screening, cardiovascular risk assessment and documentation in pharmacy or primary-care records.

Encourage patients to report adverse events to Canada Vigilance and to contact local health services for assistance with formulary or coverage navigation.

Delivery Across Canada (English)

Final Practical Notes

Patients often arrive at the pharmacy worried about sleepiness, allergies and cost, so start counselling by asking which concern matters most to them.

Check the prescription for the exact dose and pack size and confirm the DIN where available to help with formulary and reimbursement enquiries.

If a patient has a history of thrombotic disease, hormone-sensitive cancer, or severe liver disease, advise immediate specialist referral rather than community initiation of therapy.

When switching between brands or generics, verify excipients and advise patients to report any new side effects promptly.

Keep clear documentation of counselling and any monitoring steps in the patient record to support continuity of care and safe use.