Brand Cialis ( Tadalafil )

Buy Brand Cialis (Tadalafil) without prescription in Canada

In our Canadian pharmacy, you can buy Brand Cialis (Tadalafil) without a prescription, with delivery across Canada within 5‑14 days. Discreet and anonymous packaging.

Brand Cialis (tadalafil) is the original, flagship oral phosphodiesterase type 5 (PDE5) inhibitor developed by Eli Lilly and Company for the treatment of erectile dysfunction (ED) and the signs and symptoms of benign prostatic hyperplasia (BPH). It works by relaxing the smooth muscle in the walls of penile arteries and the prostate and bladder neck, allowing increased blood flow to the penis during sexual stimulation and improving urinary flow in men with BPH. Its most celebrated feature is a long half‑life of 17.5 hours, providing a therapeutic window of up to 36 hours for ED—far exceeding that of other PDE5 inhibitors—and enabling both as‑needed and convenient once‑daily dosing regimens. The standard Health Canada‑approved strengths are 5 mg for daily use and 10 mg and 20 mg for on‑demand use; the 40 mg strength is not approved in Canada but is available internationally for patients who have been prescribed a higher dose by a specialist.

Usual adult dose: For as‑needed treatment of ED, the recommended starting dose is 10 mg taken orally at least 30 minutes before anticipated sexual activity, with or without food. The dose may be increased to 20 mg or decreased to 5 mg based on individual efficacy and tolerability, with a maximum of one dose per day. For once‑daily use (for ED, BPH, or both), the recommended dose is 5 mg taken at approximately the same time each day, which may be decreased to 2.5 mg if necessary. Doses above 20 mg, such as the internationally available 40 mg tablet, are reserved for patients who have shown an inadequate response to the 20 mg dose and who tolerate the medication well under specialist supervision. Sexual stimulation is required for an erection to occur.

Dosage form: Oral film‑coated tablets, almond‑shaped and yellow: 5 mg, 10 mg, 20 mg, and (internationally sourced) 40 mg.

Onset of action: Tadalafil is rapidly absorbed, with peak plasma concentrations reached in about 2 hours (range 0.5–6 hours). When taken on demand, many men can achieve an erection sufficient for intercourse within 30 to 45 minutes. Food does not affect absorption. With daily dosing, steady‑state blood levels are reached after 5 days, providing spontaneous readiness at any time of day.

Duration of action: The therapeutic effect for ED lasts up to 36 hours after a single as‑needed dose, giving Brand Cialis the well‑known nickname “the weekend pill.” The elimination half‑life is approximately 17.5 hours. Daily dosing maintains continuous 24‑hour coverage.

Alcohol recommendation: Alcohol consumption should be limited or avoided while taking Brand Cialis. Drinking alcohol can temporarily impair the ability to achieve an erection, may add to the blood‑pressure‑lowering effect of tadalafil, and can increase the risk of side effects such as headache, dizziness, flushing, and orthostatic hypotension. Heavy alcohol intake is particularly discouraged.

Most common side effects: Headache (up to 15% with as‑needed use, 3–5% with daily use), dyspepsia (indigestion, up to 10%), back pain (3–6%), myalgia (muscle pain, 3–6%), nasal congestion (2–3%), flushing (2–3%), and dizziness. These effects are generally mild to moderate, transient, and become less frequent with continued daily use. Rare but serious side effects include priapism (a prolonged, painful erection lasting more than 4 hours), sudden vision loss (non‑arteritic anterior ischaemic optic neuropathy, NAION), and sudden hearing loss. The 40 mg dose is associated with a higher incidence of these adverse effects.

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General Information about Brand Cialis (Tadalafil)

• INN (International Nonproprietary Name): Tadalafil
• Brand names available in Canada: Cialis® (Eli Lilly Canada Inc.) is the original brand‑name product. It is available as film‑coated tablets in 2.5 mg, 5 mg, 10 mg, and 20 mg strengths. Generic tadalafil is also widely available. The 40 mg strength is not marketed by Eli Lilly in Canada but can be obtained internationally as a branded or generic product through our pharmacy’s international supply chain.
• ATC code: G04BE08 (urologicals, drugs used in erectile dysfunction).
• Dosage forms and strengths: Film‑coated tablets: 5 mg (almond‑shaped, yellow, debossed “C 5”), 10 mg (almond‑shaped, yellow, debossed “C 10”), 20 mg (almond‑shaped, yellow, debossed “C 20”). Internationally sourced 40 mg tablets are also available.
• Manufacturers in Canada: Eli Lilly Canada Inc. (Brand Cialis). Generic tablets are manufactured by Apotex, Teva, Sandoz, Pharmascience, and others. Higher‑strength international products are manufactured by various pharmaceutical companies and imported for personal use.
• Registration status in Canada: Approved by Health Canada for the 2.5 mg, 5 mg, 10 mg, and 20 mg tablets. The 40 mg tablet is not approved by Health Canada and is not listed in the Drug Product Database.
• OTC / Rx classification: Prescription only (Rx). Tadalafil is a Schedule I drug under the Controlled Drugs and Substances Act. A valid prescription from a licensed Canadian healthcare professional is required. Our pharmacy dispenses the prescribed brand or international product accordingly.

Mechanism of Action and Pharmacology

Tadalafil is a potent, reversible, and highly selective inhibitor of cyclic guanosine monophosphate (cGMP)‑specific phosphodiesterase type 5 (PDE5). During sexual stimulation, nitric oxide is released from nerve endings and endothelial cells in the corpus cavernosum of the penis. Nitric oxide activates the enzyme guanylate cyclase, which increases intracellular cGMP. This leads to relaxation of the smooth muscle in the penile arteries and corpus cavernosum, allowing blood to flow in and produce an erection. PDE5 normally breaks down cGMP and terminates the erectile response. By inhibiting PDE5, tadalafil allows cGMP to accumulate and persist, thereby enhancing and prolonging the erection. Tadalafil is approximately 700‑fold more selective for PDE5 than for PDE6 (found in the retina), which contributes to its low rate of visual side effects. In the prostate and bladder, PDE5 inhibition relaxes smooth muscle, improving urinary flow and reducing the symptoms of BPH.

Tadalafil is rapidly absorbed, with peak plasma concentrations reached at a median of 2 hours. The absolute bioavailability is not determined, but food, including a high‑fat meal, does not significantly affect the rate or extent of absorption. Tadalafil is metabolized predominantly by cytochrome P450 3A4 (CYP3A4) to an inactive catechol metabolite. The elimination half‑life is approximately 17.5 hours, which is the longest among all PDE5 inhibitors, supporting a 36‑hour window for on‑demand use and once‑daily dosing for continuous coverage. Tadalafil and its metabolites are excreted mainly in the faeces (approximately 61%) and, to a lesser extent, in the urine. At the 40 mg dose, systemic exposure increases proportionally, but the incidence and intensity of adverse effects—particularly headache, flushing, and back pain—are greater; therefore, this dose is used only under careful specialist monitoring.

Indications

• Erectile Dysfunction (ED): Brand Cialis is indicated for the treatment of erectile dysfunction in adult men. It may be used as needed (10 mg or 20 mg prior to anticipated sexual activity) or once daily (2.5 mg or 5 mg) for men who anticipate frequent sexual activity (at least twice weekly).
• Benign Prostatic Hyperplasia (BPH): Brand Cialis 5 mg once daily is indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia. It is also indicated for the simultaneous treatment of ED and BPH in men who have both conditions.
• Pulmonary Arterial Hypertension (PAH): Tadalafil is also approved under the brand name Adcirca® (20 mg tablet) for PAH. Brand Cialis is not dispensed for this indication.
• Brand Cialis is not indicated for use in women or in individuals under 18 years of age.

Important Warnings and Precautions

At‑risk groups

• Pregnancy and breastfeeding: Brand Cialis is not indicated for use by women. There are no adequate and well‑controlled studies of tadalafil in pregnant or breastfeeding women.
• Paediatrics (< 18 years): Tadalafil is not approved for use in children or adolescents for the treatment of ED or BPH.
• Elderly (≥ 65 years): No dose adjustment is required based on age alone. However, elderly patients may be more sensitive to the vasodilatory effects of tadalafil, and the risk of orthostatic hypotension may be increased. A lower starting dose (e.g., 5 mg for as‑needed use, 2.5 mg for daily use) is recommended. The 40 mg dose should be used with extreme caution in the elderly.
• Cardiovascular disease: Sexual activity carries a cardiac risk for patients with pre‑existing cardiovascular disease. Tadalafil has vasodilatory properties and can cause mild, transient decreases in blood pressure. It is contraindicated in patients with severe cardiovascular disease, including unstable angina, severe heart failure, and recent myocardial infarction or stroke (within the last 6 months).
• Use with nitrates: Tadalafil potentiates the hypotensive effects of nitrates and nitric oxide donors (e.g., nitroglycerin, isosorbide mononitrate, amyl nitrate). Concomitant use is absolutely contraindicated and can lead to a life‑threatening drop in blood pressure. This contraindication applies to all doses and dosing regimens.
• Use with guanylate cyclase stimulators: Concomitant use of tadalafil with riociguat (Adempas®) is contraindicated due to the risk of severe hypotension.
• Priapism: Prolonged erection (longer than 4 hours) has been reported rarely. This is a medical emergency that can lead to permanent penile tissue damage and impotence. Seek immediate medical attention.
• Vision loss: Non‑arteritic anterior ischaemic optic neuropathy (NAION), a cause of sudden vision loss, has been reported rarely. Patients with sudden vision loss should stop the drug and seek immediate medical care.
• Hearing loss: Sudden decrease or loss of hearing has been reported. Discontinue and seek prompt medical attention.
• Renal impairment: For as‑needed use, the maximum recommended dose in severe renal impairment (CrCl ≤ 30 mL/min) is 10 mg once every 48 hours, and once‑daily use is not recommended. The 40 mg dose is contraindicated in severe renal impairment.
• Hepatic impairment: In mild to moderate hepatic impairment (Child‑Pugh A or B), the maximum as‑needed dose is 10 mg, and the recommended daily dose is 2.5 mg. Higher doses (20 mg, 40 mg) are not recommended. Tadalafil has not been studied in severe hepatic impairment.
• Alpha‑blockers: Concomitant use with alpha‑adrenergic blockers (e.g., tamsulosin, doxazosin) may lead to additive hypotension. Patients should be stable on alpha‑blocker therapy before initiating tadalafil, and tadalafil should be started at the lowest recommended dose. The 40 mg dose should be avoided in combination with alpha‑blockers.
• Anatomical deformation: Use with caution in patients with penile anatomical deformation (e.g., Peyronie’s disease) or conditions predisposing to priapism.
• Allergy: Do not take Brand Cialis if you have a known hypersensitivity to tadalafil or any of the tablet’s excipients.

Driving and alcohol

Tadalafil may cause dizziness or blurred vision. Patients should know how they react before driving or operating machinery. Alcohol should be limited, as it may impair erectile function, lower blood pressure, and increase the risk of headache, dizziness, and orthostatic hypotension. Heavy alcohol intake is particularly discouraged.

Dosage Instructions

• As‑Needed Use for ED: The recommended starting dose is 10 mg taken at least 30 minutes before sexual activity, with or without food. The dose may be increased to 20 mg or decreased to 5 mg. The maximum dosing frequency is once daily. The 40 mg dose is used only under specialist direction when 20 mg is inadequate and well‑tolerated; it should not be used as a starting dose.
• Once‑Daily Use for ED, BPH, or Both: The recommended dose is 5 mg taken once daily at the same time each day, with or without food. If the 5 mg dose is not tolerated, it may be reduced to 2.5 mg once daily. The 10 mg, 20 mg, and 40 mg strengths are not intended for daily use.
• Special populations: Reduce doses as recommended for renal impairment, hepatic impairment, and in patients taking CYP3A4 inhibitors or alpha‑blockers (see Warnings and Interactions).
• Administration: Swallow the tablet whole with a glass of water. For as‑needed use, taking the tablet on an empty stomach may result in a slightly faster onset, but food has no clinically significant effect. Do not take more than one dose per day.
• Missed dose (daily regimen): Take the missed dose as soon as remembered on the same day. If it is close to the time of the next dose, skip the missed dose and resume the regular once‑daily schedule. Do not double the dose. For as‑needed use, no catch‑up is required; take the next dose at least 24 hours later.

Side Effects and Contraindications

• Very common (≥ 10% with on‑demand use): Headache and dyspepsia. With daily use, these are less frequent (3‑5%).
• Common (1‑10%): Back pain, myalgia, nasal congestion, flushing, pain in limbs, and dizziness. Back pain and myalgia typically resolve within 48 hours.
• Uncommon but serious: Priapism, sudden vision loss (NAION), sudden hearing loss, and serious cardiovascular events (myocardial infarction, stroke) temporally associated with sexual activity. Hypotension and syncope may occur, especially with higher doses or in combination with alpha‑blockers or alcohol.
• Contraindications: Concomitant use of organic nitrates in any form, or nitric oxide donors. Concomitant use of riociguat. Known hypersensitivity to tadalafil. Severe cardiovascular disease, recent myocardial infarction or stroke (within 6 months). Severe hepatic impairment (Child‑Pugh C). The 40 mg dose is additionally contraindicated in severe renal impairment and in combination with potent CYP3A4 inhibitors or alpha‑blockers.

Drug Interactions

• Nitrates and nitric oxide donors — contraindicated: See warnings.
• Guanylate cyclase stimulators — contraindicated: Riociguat.
• Alpha‑blockers: Additive hypotension; start tadalafil at the lowest dose, avoid 40 mg.
• Potent CYP3A4 inhibitors (e.g., ritonavir, ketoconazole): Maximum as‑needed dose 10 mg, not more than once every 72 hours; daily use not recommended. The 40 mg dose is contraindicated with these inhibitors.
• Moderate CYP3A4 inhibitors (e.g., erythromycin, fluconazole): May increase exposure; avoid 40 mg dose, consider 2.5 mg daily dose if necessary.
• Antihypertensives: Additive blood‑pressure‑lowering effect; monitor.
• Alcohol: Increases risk of hypotension and headache; limit intake.

Practical Advice

• Administration: Follow your prescribed regimen precisely. For daily use, consistency is key. For on‑demand use, plan ahead. Swallow the tablet whole; food does not interfere. Sexual stimulation is necessary for an erection.
• Monitoring: No routine blood tests are required. A baseline cardiovascular evaluation is recommended. Seek immediate attention for priapism, sudden vision or hearing loss, or chest pain during sexual activity.
• Storage: Store at room temperature (15‑30 °C) in a dry place. Keep out of reach of children.
• Lifestyle: Address modifiable risk factors (smoking, weight, alcohol). Do not combine with other PDE5 inhibitors. Carry a medical alert card or inform all healthcare providers of your tadalafil use.
• Emergency: Priapism or sudden vision/hearing loss requires emergency care. If chest pain occurs, do not take nitrates; inform the emergency doctor of your last tadalafil dose.

Alternative Medications

• Sildenafil (Viagra®): A short‑acting PDE5 inhibitor with a 4–6 hour window, taken 30–60 minutes before sex. Available as a generic.
• Vardenafil (Levitra®): A PDE5 inhibitor similar to sildenafil, with a rapid onset and a duration of 4–5 hours.
• Avanafil (Stendra®): A rapid‑onset PDE5 inhibitor, working within 15–30 minutes.
• Tadalafil generics: Offer the same active ingredient and benefits as Brand Cialis at a lower cost.
• Alprostadil (Caverject®): An injectable or intraurethral treatment that acts directly and does not require PDE5 inhibition, suitable for men taking nitrates.
• Non‑pharmacological: Vacuum erection devices, penile implants, and psychological counselling.

Clinical Efficacy

The clinical programme for Brand Cialis established its robust efficacy. In pivotal on‑demand studies, tadalafil 10 mg and 20 mg enabled successful intercourse in up to 75% of attempts and significantly improved erectile function scores, with effects lasting up to 36 hours. For daily use, 5 mg taken once daily produced a sustained improvement in erectile function, significantly better than placebo, and provided greater relationship satisfaction due to its spontaneity. In men with BPH, tadalafil 5 mg once daily reduced the International Prostate Symptom Score (IPSS) by 4.8–5.6 points, a clinically meaningful improvement. The long half‑life of 17.5 hours is the pharmacological foundation of both the extended window and the daily dosing success. The internationally available 40 mg dose has been studied in a limited cohort of men with severe ED who did not respond to 20 mg; it provides a modest additional improvement in erectile function but with a corresponding increase in adverse events, and it is not part of the standard therapeutic algorithm.

Important:

Brand Cialis (tadalafil) is a prescription medication that should be used only under the supervision of a qualified healthcare professional. The most critical safety warning is that tadalafil, in any form, must never be taken with any form of organic nitrate (e.g., nitroglycerin, isosorbide mononitrate, “poppers”). This combination can cause a severe, sudden, and potentially fatal drop in blood pressure. If you experience chest pain or an erection lasting longer than 4 hours (priapism), stop using the medication and seek emergency medical attention immediately. The 40 mg dose is a high‑strength formulation intended only for men who have failed lower doses and who have been assessed by a specialist. Do not take more than one dose per day. Sexual activity carries a cardiac risk in patients with pre‑existing cardiovascular disease. If you are taking alpha‑blockers, antihypertensives, or medications that inhibit CYP3A4, you must inform your doctor; the dose of tadalafil must be reduced. Do not drink large amounts of alcohol. This product is for adult men and is not intended for use by women or children. If you experience sudden vision or hearing loss, seek immediate medical attention. This information is not a substitute for professional medical advice, diagnosis, or treatment.

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