Basic Eldepryl Information

• INN (International Nonproprietary Name): Selegiline.
• Brand Names Available In Canada (English): not specified.
• ATC Code: N04BD01.
• Forms & Dosages: Tablets 5 mg and 10 mg; Capsules 5 mg; Orally disintegrating tablet 1.25 mg (Zelapar); Transdermal patch 6, 9, 12 mg/24 hr (Emsam).
• Manufacturers In Canada (English): not specified.
• Registration Status In Canada (English): not specified.
• OTC / Rx Classification: Prescription only (Rx) in most jurisdictions including US, UK, and EU.

Major 2022–2025 Canadian & Global Studies

What did trials between 2022 and 2025 reveal about selegiline in real-world and pooled analyses?

Recent research emphasised selegiline’s role as an adjunct to levodopa for delaying motor complications and reducing wearing-off intervals.

Canadian cohort analyses and multinational pooled analyses reported modest but consistent reductions in off-time when selegiline was used early in Parkinson’s management.

Typical dosing in those reports was oral tablets 5–10 mg split daily or orally disintegrating tablets 1.25–2.5 mg once daily.

Comparative trend data show newer MAO-B inhibitors such as rasagiline and safinamide offering similar efficacy with different tolerability profiles and once-daily convenience.

These studies often measured on/off time, levodopa dose changes, and dyskinesia emergence over months to years.

Patients and prescribers cited eldepryl and generic selegiline as established options in adjunct therapy.

Main Outcomes

How meaningful were the symptomatic improvements reported with selegiline?

Overall outcomes pointed to symptomatic benefit in early to moderate Parkinson’s disease, with reduced wearing-off frequency and modest decrease in daily off-time.

Several analyses suggested selegiline can delay escalation of levodopa dose in some patients, reducing the rate at which higher levodopa regimens were required.

Head-to-head observational datasets reported broadly similar efficacy between selegiline and rasagiline for motor benefit, though trial designs varied.

Clinicians used eldepryl and Zelapar interchangeably based on formulation preference, tolerability and cost considerations.

Safety Observations

What safety patterns emerged in post-marketing surveillance from 2022 to 2024?

Pharmacovigilance highlighted increased neuropsychiatric events such as hallucinations and agitation in older patients with polypharmacy.

Reports reinforced dose caution in patients with hepatic impairment due to reduced clearance and higher systemic exposure.

Clinicians noted the need for vigilance around orthostatic hypotension, sleep disturbances, and potential interactions that could produce serotonin syndrome or hypertensive crises.

Overall, safety trends emphasised careful patient selection, monitoring and pharmacist counselling on interactions and dietary precautions.

Layman’s Explanation

What does selegiline do in plain language?

Selegiline is an MAO-B inhibitor that helps preserve dopamine in the brain by blocking the enzyme that breaks dopamine down.

The increased dopamine availability helps improve movement symptoms in Parkinson’s disease and can reduce periods when medication is not working well, often called “off-time.”

When added to levodopa, selegiline can smooth motor fluctuations and sometimes delay the need for higher levodopa doses.

Scientific Breakdown

How does selegiline work at a biochemical level?

Selegiline irreversibly inhibits monoamine oxidase B, increasing synaptic dopamine availability, especially in the striatum.

At therapeutic low doses (5–10 mg oral; 1.25–2.5 mg ODT) MAO-B selectivity predominates, reducing classic tyramine interactions.

Higher doses can affect MAO-A and raise the risk of dietary tyramine reactions and hypertensive events.

Pharmacokinetic differences exist between formulations: oral tablets/capsules have more first-pass exposure, while ODT formulations reduce gastrointestinal first-pass variability.

Transdermal patches such as Emsam bypass first-pass metabolism and are used for other indications in some countries.

Start low in elderly patients and monitor liver function, with dose adjustments advised in hepatic impairment.

Health Canada Approvals (DIN-Based)

Which uses of selegiline are officially recognised?

Internationally, selegiline is approved as an antiparkinson agent, marketed under brands including Eldepryl and Zelapar for oral use, and Emsam as a transdermal patch for non-parkinson indications in some countries.

Prescribers should confirm Health Canada approval and check the product’s DIN on the manufacturer’s official product monograph before prescribing.

Available formulations globally include tablets (5 mg, 10 mg), capsules (5 mg), ODT (1.25 mg) and transdermal patches (6/9/12 mg/24 hr).

Selegiline remains prescription-only in most jurisdictions and is primarily used as adjunct therapy with levodopa/carbidopa for early to moderate Parkinson’s disease.

Notable Off-Label Trends In Canadian Practice

Are clinicians using selegiline for anything beyond its label?

Some tertiary centres in Canada trial transdermal forms off-label for depressive symptoms when transdermal formulations are available, though that use is outside standard eldepryl labelling.

Movement-disorder clinics occasionally use selegiline to address non-motor symptoms like fatigue or apathy when other options are unsuitable.

Off-label prescribing requires careful documentation, counselling on tyramine and drug interactions, and clear benefit versus risk assessment.

General Dosing Per Health Canada Monographs

How is selegiline typically dosed for Parkinson’s patients?

Standard adult dosing for Parkinson’s disease is 5–10 mg daily, commonly 5 mg twice daily for tablets or capsules.

Orally disintegrating tablets (Zelapar) are typically 1.25–2.5 mg once daily.

Initiate at the lower end of the range and titrate based on symptom control and tolerability, especially in older adults.

When used with levodopa/carbidopa, selegiline may allow reduction of levodopa dose if dyskinesia or adverse effects emerge.

Condition-Specific Dosing Adjustments

Who needs dose changes or special monitoring?

Elderly patients should start at the lower end of dosing and be monitored for orthostatic hypotension, hallucinations and insomnia.

Patients with hepatic impairment require dose reduction and closer clinical monitoring because of reduced clearance.

Pediatric use is not established and is generally not recommended.

Missed-dose advice is to take the missed dose when remembered unless it is nearly time for the next dose, and to never double doses.

Overdose management is urgent because severe hypertension, agitation, convulsions and hallucinations are possible.

Contraindications (Canadian Advisories)

Who should not take selegiline?

Absolute contraindications include hypersensitivity to selegiline or excipients, concomitant use with other MAOIs, certain opioids such as meperidine, and serotonergic agents due to the risk of serotonin syndrome.

Pheochromocytoma is an absolute contraindication because of hypertensive crisis risk.

Relative contraindications include a history of peptic ulcer disease, severe cardiovascular disease, and active psychosis or mania.

Always consult the DIN-linked monograph and Health Canada advisories before prescribing or dispensing.

Adverse Effects (Post-Market Reports)

What side effects should patients expect and report?

Common side effects reported include nausea, dry mouth, dizziness, insomnia, headache, abdominal pain and increased sweating.

Notable events include orthostatic hypotension, agitation and hallucinations, which are more frequent in elderly patients on multiple medications.

Rare but serious reactions include hypertensive crises with high tyramine intake and serotonin syndrome when combined with serotonergic agents.

Canadian post-market surveillance from 2022–2025 has led pharmacists to prioritise counselling on interactions and neuropsychiatric monitoring.

Food Interactions Common In Canadian Diet

Do Canadian foods pose a risk for people taking selegiline?

At therapeutic MAO-B selective doses, the classic “cheese reaction” is less common, but caution is still advised with concentrated tyramine sources.

Patients should avoid large amounts of aged cheeses, cured meats, certain fermented products and concentrated soy products common in diverse Canadian diets.

Regional advice can be useful, for example when discussing Quebec-style aged cheeses or home-cured meats.

Pharmacists should tailor dietary counselling to the patient’s cultural food habits.

Drug Combinations Flagged By Health Canada

Which drug interactions are most dangerous?

Health Canada and international labels warn strongly against combining selegiline with other MAOIs, serotonergic antidepressants (SSRIs, SNRIs), tramadol, certain triptans and meperidine.

Such combinations raise the risk of serotonin syndrome or hypertensive crises.

Caution is also necessary with sympathomimetics and over-the-counter decongestants.

When adding or stopping interacting drugs, follow recommended washout periods and coordinate with prescribers and pharmacists, particularly for patients on provincial plans such as ODB or PharmaCare.

Canadian Survey Data

What do patients in Canada say about selegiline?

Surveys and pharmacy feedback between 2022 and 2025 show mixed but generally positive real-world outcomes.

Many patients report improved “on” time and reduced levodopa fluctuation after starting selegiline.

A subset of older adults report insomnia, vivid dreams or hallucinations prompting dose adjustment or switching agents.

Cost and brand availability factor into patient satisfaction, with some preferring generic selegiline for affordability.

Forum & Community Pharmacy Trends

What are common questions and pharmacy actions in practice?

Community pharmacists at Shoppers Drug Mart, Rexall, London Drugs and Jean Coutu frequently counsel patients about diet interactions and check for serotonergic or opioid co-medications.

Forums and Parkinson’s community groups note favourable early adjunctive effects but emphasise personalised tolerability monitoring.

Provincial drug plan coverage affects out-of-pocket costs, and pharmacists often assist patients with formulary navigation and substitution options.

Distribution: National Pharmacy Chains

Where do Canadians typically fill selegiline prescriptions?

Selegiline formulations are dispensed through retail chains such as Shoppers Drug Mart, Rexall, Jean Coutu and London Drugs, as well as hospital pharmacies.

Availability of specific brands like Eldepryl and Zelapar and generics varies by wholesaler and supplier.

Pharmacists should verify product DINs and manufacturer supply when filling or recommending a substitution.

Online Pharmacy Availability & Provincial Restrictions

Can selegiline be ordered online in Canada?

Canadian online pharmacies may supply selegiline with a valid prescription and must comply with provincial dispensing regulations and documentation.

Some provinces have specific rules for transdermal antidepressant patches and for prior authorisations under programs like ODB or BC PharmaCare.

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

Cross-Border US Comparisons

How do Canadian prices and access compare to the US?

Branded Eldepryl and Zelapar typically cost more than generics, and provincial formularies determine coverage and out-of-pocket burden.

Patients often compare retail prices to US pharmacy costs, but cross-border purchases carry risks for customs delays and authenticity issues.

Pharmacists advise using licensed Canadian suppliers to ensure product integrity and correct DIN verification.

Comparison Table Of DIN-Approved Alternatives

Which alternatives should prescribers consider?

Alternatives include rasagiline and safinamide, both MAO-B inhibitors, and COMT inhibitors such as entacapone and tolcapone used adjunctively with levodopa.

Rasagiline offers once-daily dosing with similar efficacy to selegiline.

Safinamide is a reversible MAO-B inhibitor with adjunct benefits on motor fluctuations and possible non-motor symptom benefits.

COMT inhibitors reduce levodopa off-time but have different risks, including increased dyskinesia and liver monitoring needs for tolcapone.

Pros And Cons Checklist

How do the options compare at a glance?

Selegiline (Eldepryl/Zelapar): Pros — well-established history and multiple formulations; Cons — common tablet dosing may require twice-daily dosing and has neuropsychiatric and dietary risks at higher doses.

Rasagiline: Pros — once-daily dosing and simple regimen; Cons — interaction profile similar to MAO-B inhibitors and potential cost issues.

Safinamide: Pros — reversible MAO-B action and adjunct motor benefits; Cons — newer agent with formulary access and cost considerations.

COMT Inhibitors: Pros — effective at reducing levodopa off-time; Cons — may increase dyskinesia and require liver monitoring in the case of tolcapone.

Health Canada Approval Process

How are selegiline products approved in Canada?

Manufacturers submit clinical and quality data to Health Canada for review, and approved products receive a Drug Identification Number which links to the product monograph.

Clinicians and pharmacists should verify selegiline products by DIN and consult Health Canada databases for current approvals and safety advisories.

Post-market vigilance is conducted through Canada Vigilance and may prompt label changes or safety notices.

DIN And Bilingual Labelling Rules

What packaging and labelling rules apply in Canada?

Canadian regulations require bilingual labelling where applicable on consumer information and packaging, and prescription medicines must be dispensed with a valid prescription and proper record-keeping.

Provincial formularies set coverage terms and prior authorisation rules that vary by jurisdiction.

Consolidated FAQ

Which questions do Canadian patients ask most often?

Q1: Is Eldepryl covered by provincial drug plans?

A1: Coverage depends on province and specific DIN; ODB, BC PharmaCare and RAMQ may list certain MAO-B inhibitors and prior authorisation can be required.

Q2: Can I buy selegiline online from a US pharmacy?

A2: Cross-border purchases risk customs seizure and authenticity issues; use licensed Canadian pharmacies and confirm DIN and lot details.

Q3: Do I need to avoid cheeses and wine?

A3: At recommended MAO-B–selective doses (5–10 mg) classic tyramine warnings are reduced, but patients should still avoid large amounts of aged or fermented products and follow pharmacist counselling.

Q4: Can I take selegiline with my antidepressant?

A4: Combining with SSRIs or SNRIs is risky due to serotonin syndrome; consult your prescriber and follow recommended washout procedures.

Q5: What if I miss a dose?

A5: Take as soon as remembered unless it is close to the next dose; do not double up and seek urgent care for signs of overdose or severe reactions.

Visual Guide Recommendations

What patient-facing visuals help understanding?

Dosage infographic that compares tablet/capsule dosing 5 mg twice daily with ODT dosing 1.25–2.5 mg once daily and separate patch dosing for transdermal products.

Provincial coverage map that is colour-coded to show typical formulary inclusion and prior authorisation requirements for ODB, BC PharmaCare and RAMQ.

Purchase channels flowchart from prescriber to licensed community or hospital pharmacy, with icons for major chains and pharmacist counselling steps.

Safety call-out boxes highlighting contraindications, common side-effects and emergency signs such as hypertensive crisis or serotonin syndrome.

Include a DIN lookup tip and a QR link to the Health Canada monograph on patient-facing materials.

Household Storage Guidelines

How should patients store selegiline at home?

Store selegiline in its original packaging at room temperature below 25°C, away from moisture and direct light.

Keep the product out of reach of children and consider child-resistant containers where appropriate.

Do not refrigerate or freeze tablets or capsules and advise patients to return any product showing visible degradation.

Cold-Chain Storage Where Applicable

Does selegiline need refrigeration during transport?

Oral formulations do not require refrigeration and standard courier handling at controlled room temperature is adequate.

For mail-order or courier delivery, licensed pharmacies should use protective packaging for long transit times.

Transdermal patches should be kept away from extreme heat and not stored in vehicles during hot weather.

Advice From Canadian Pharmacists

What should pharmacists check before dispensing eldepryl?

Review the patient’s medication list for serotonergic drugs and opioids, counsel on dietary tyramine precautions and advise on timing to reduce insomnia risk.

Assist with prior authorisations on provincial formularies and document DIN, lot number and counselling in the patient record.

Encourage patients to report hallucinations, severe dizziness or hypertensive symptoms promptly.

Provincial Health Authority Guidance

Where should prescribers and pharmacists look for local rules?

Refer to provincial formularies such as Ontario Drug Benefit, BC PharmaCare and RAMQ for coverage rules and to Health Canada and Canada Vigilance for safety updates.

Coordinate care with neurologists and movement-disorder clinics when initiating adjunctive therapy to manage levodopa wearing-off.

Provide bilingual counselling materials in Quebec and federally regulated contexts.

Final Checklist For Safe Prescribing And Dispensing

What are the steps before starting selegiline?

Confirm the DIN, brand and formulation, assess liver function, review the full drug list for interactions and educate the patient on missed-dose and overdose actions.

Schedule follow-up to monitor neuropsychiatric effects and orthostatic symptoms and document all counselling.

Delivery Across Canada (English)

Storage And Transport Summary

How should pharmacies and patients handle delivery and storage?

Store oral selegiline products at room temperature below 25°C, protect from moisture and light, and keep out of reach of children.

For transport, retain medication in original blister packaging to protect from humidity during short commutes.

Licensed pharmacies offering courier services should use appropriate packaging for longer transit times and avoid exposing patches to high heat.

Guidelines For Proper Use

What are the practical steps to help patients get the best outcomes?

Pharmacists should perform a full medication review for serotonergic agents and opioids, counsel on tyramine-rich foods, and check liver function where appropriate.

Avoid late-day dosing if insomnia occurs and advise patients to report hallucinations or severe dizziness immediately.

Provide written bilingual information in Quebec and document all counselling, DIN and lot numbers.

Closing Notes For Clinicians And Pharmacists

What final points should be remembered when working with selegiline?

Selegiline remains a useful adjunct to levodopa for reducing wearing-off and improving on-time in early to moderate Parkinson’s disease.

Compare options such as rasagiline and safinamide when once-daily dosing, tolerability, formulary access or cost are considerations.

Always verify DIN and local formulary rules, counsel patients about interactions and diet, and maintain active monitoring for neuropsychiatric and cardiovascular adverse effects.