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Brand names

Either increases effects of the other by pharmacodynamic synergism. Coadministration of vericiguat with PDE-5 inhibitors may result in additive hypotensive effects. apalutamideapalutamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Coadministration of apalutamide, a strong CYP3A4 inducer, with drugs that are CYP3A4 substrates can result in lower exposure to these medications. Avoid or substitute another drug for these medications when possible.

Oral Administration

Evaluate for loss of therapeutic effect if medication must be coadministered. Adjust dose according to prescribing information if needed. apalutamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. atazanaviratazanavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability.

Dosing Considerations

atazanavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ceritinibceritinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ceritinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Consult your healthcare provider before starting any over-the-counter (OTC) products or prescription medications. Always seek the advice of your healthcare provider for any questions you may have regarding a medical condition. Certain medications may interact with your current prescription medications, medical conditions, or other supplements. Your healthcare provider can provide guidance tailored to your specific health needs.

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	40mg	30 + 4 Pills	74.97€ 71.40€	Buy
Cialis Generic	40mg	90 + 6 Pills	171.35€ 163.19€	Buy
Cialis Generic	60mg	90 + 6 Pills	196.67€ 187.30€	Buy
Cialis Generic	20mg	120 + 8 Pills	188.15€ 179.19€	Buy
Cialis Generic	5mg	120 + 6 Pills	132.92€ 126.59€	Buy
Cialis Generic	5mg	30 + 4 Pills	53.56€ 51.01€	Buy
Cialis Generic	2.5mg	60 + 4 Pills	83.43€ 79.46€	Buy
Cialis Generic	20mg	60 + 6 Pills	117.76€ 112.15€	Buy
Cialis Generic	10mg	120 + 6 Pills	178.49€ 169.99€	Buy
Cialis Generic	40mg	60 + 6 Pills	130.98€ 124.74€	Buy
Cialis Generic	5mg	20 Pills	41.99€ 39.99€	Buy
Cialis Generic	10mg	20 Pills	48.23€ 45.93€	Buy
Cialis Generic	20mg	10 Pills	31.49€ 29.99€	Buy
Cialis Generic	2.5mg	120 + 6 Pills	128.93€ 122.79€	Buy
Cialis Generic	40mg	10 Pills	37.79€ 35.99€	Buy
Cialis Generic	5mg	10 Pills	29.39€ 27.99€	Buy

Compounded medications are specially prepared for individual patient needs and, as such, have not been reviewed or approved by the U.S. Food and Drug Administration (FDA).

Aspect	Description	Typical Dosage	Duration of Effect
Purpose	Treat erectile dysfunction and BPH	5 mg or 10 mg	Up to 36 hours
Common Brand Names	Cialis, Adcirca	N/A	N/A
Administration	Usually taken once a day or as needed	N/A	N/A

These statements have not been evaluated by the FDA. Brock G, Broderick G, Roehrborn CG, Xu L, Wong D, Viktrup L. Tadalafil once daily in the treatment of lower urinary tract symptoms suggestive of benign prostatic hyperplasia in men without erectile dysfunction. 2013;112(7):990-997.

Tadalafil Dosing: Matching the Medication to the Moment

doi:10.1111/bju.12251 Arif SA, Poon H. Tadalafil: 10 mg tadalafil a long-acting phosphodiesterase-5 inhibitor for the treatment of pulmonary arterial hypertension. PDE5 inhibition alleviates functional muscle ischemia in boys with Duchenne muscular dystrophy. Kloner RA, Hutter AM, Emmick JT, Mitchell MI, Denne J, Jackson G.

• Tadalafil is part of the phosphodiesterase inhibitor class.
• It can be taken with or without food, but consistency helps.
• The medication is effective for many men experiencing ED.
• Rare side effects include vision changes and allergic reactions.
• Tadalafil is often preferred for spontaneous intimacy.
• Consult your doctor if you experience prolonged erections.
• Tadalafil does not change your libido but aids in function.
• It may be less effective if used with certain antidepressants.
• Keep a record of your dosing schedule for safety.
• The tablet's effects may diminish over time if not used correctly.
• Tadalafil is sometimes used off-label for other conditions.
• Proper hydration can minimize some common side effects.

Time course of the interaction between tadalafil and nitrates. Treasure Island, FL: StatPearls Publishing; 2025 Jan–. Taylor J, Baldo OB, Storey A, Cartledge J, Eardley I. Differences in side-effect duration and related bother levels between phosphodiesterase type 5 inhibitors. The association of tadalafil exposure with lower rates of major adverse cardiovascular events and mortality in a general population of men with erectile dysfunction. Gulati P, Singh N.

• Tadalafil's effect can last up to 36 hours, earning its weekend reputation.
• It can be a convenient option for spontaneous planning.
• The medication works best when sexual arousal occurs.
• Always consult a healthcare professional before starting tadalafil.
• Avoid grapefruit or grapefruit juice when taking tadalafil.
• Tadalafil is often prescribed for men with mild to severe ED.
• Proper hydration and healthy lifestyle support its effectiveness.
• Discard expired tadalafil tablets properly.
• Doctors may recommend dosage adjustments over time.
• Tadalafil's availability varies by country and regulation.
• It is important to avoid caffeine excess during use.
• Always follow prescribed dose to prevent complications.

Neuroprotective effect of tadalafil, a PDE-5 inhibitor, and its modulation by L-NAME in a mouse model of ischemia-reperfusion injury. Indicated for treatment of erectile dysfunction (ED) Cialis (or generic equivalent) or Chewtadzy only PRN use: 10 mg PO initially before sexual activity, with or without food; may be increased to 20 mg or reduced to 5 mg on basis of efficacy and tolerability; in most patients, maximum dosing frequency is once daily Once-daily use (Cialis): 2.5 mg/day PO in single daily dose, without regard to timing of sexual activity, with or without food; may be increased to 5 mg/day on basis of efficacy and tolerability Indicated for treatment of signs and symptoms of benign prostatic hyperplasia (BPH); daily use also indicated for treatment of patients with both BPH and erectile dysfunction Cialis (or generic equivalent) or Chewtadzy only BPH with ED: 5 mg PO once daily, taken at approximately same time each day without regard to timing of sexual activity Coadministration with finasteride for BPH: Tadalafil 5 mg plus finasteride 5 mg PO once daily for ≤26 weeks; incremental benefit of tadalafil decreases from 4 weeks until 26 weeks, and the benefit beyond 26 weeks is unknown Indicated for pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability; studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%) Adcirca, Alyq, Tadliq, or generic equivalent only 40 mg PO once daily; dividing dose for more frequent dosing is not recommended Patients also taking ritonavir: 20 mg PO once daily initially for ≥1 week; may be increased to 40 mg/day on basis of tolerability Cialis, Chewtadzy (PRN use)Mild (CrCl >50 mL/min): No dosage adjustment neededModerate (CrCl 30-50 mL/min): Not to exceed 5 mg PO once daily initially; maximum dosage, 10 mg PO q48hrSevere (CrCl <30 mL/min and on hemodialysis): Not to exceed 5 mg PO q72hr Mild (CrCl >50 mL/min): No dosage adjustment needed Moderate (CrCl 30-50 mL/min): Not to exceed 5 mg PO once daily initially; maximum dosage, 10 mg PO q48hr Severe (CrCl <30 mL/min and on hemodialysis): Not to exceed 5 mg PO q72hr Cialis (once daily use)ED (CrCl >50 mL/min): No dosage adjustment neededBPH or BPH/ED (CrCl 30-50 mL/min): 2.5 mg/day starting dose recommended; may increase to 5 mg according to individual responseED or BPH (CrCl <30 mL/min or hemodialysis): Not recommended ED (CrCl >50 mL/min): No dosage adjustment needed BPH or BPH/ED (CrCl 30-50 mL/min): 2.5 mg/day starting dose recommended; may increase to 5 mg according to individual response ED or BPH (CrCl <30 mL/min or hemodialysis): Not recommended Chewtadzy (once daily use)BPH, ED/BPHCrCl >50 mL/min: No dosage adjustment neededCrCl ≤50 mL/min or hemodialysis: Not recommended CrCl >50 mL/min: No dosage adjustment needed CrCl ≤50 mL/min or hemodialysis: Not recommended Adcirca, Alyq, TadliqMild-to-moderate (CrCl 31-80 mL/min): 20 mg PO once daily initially; may be increased to 40 mg once daily on basis of tolerabilitySevere (CrCl <30 mL/min and on hemodialysis): Avoid use Mild-to-moderate (CrCl 31-80 mL/min): 20 mg PO once daily initially; may be increased to 40 mg once daily on basis of tolerability Severe (CrCl <30 mL/min and on hemodialysis): Avoid use Cialis, Chewtadzy (PRN use)Mild-to-moderate (Child-Pugh class A or B): Not to exceed 10 mg PO once dailySevere (Child-Pugh class C): Not recommended Mild-to-moderate (Child-Pugh class A or B): Not to exceed 10 mg PO once daily Severe (Child-Pugh class C): Not recommended Cialis, Chewtadzy (once daily use)Mild-to-moderate (Child-Pugh class A or B): Data limited; caution advisedSevere (Child-Pugh class C): Not recommended Mild-to-moderate (Child-Pugh class A or B): Data limited; caution advised Severe (Child-Pugh class C): Not recommended Adcirca, Alyq, TadliqMild-to-moderate (Child-Pugh class A or B): Consider starting dosage of 20 mg PO once dailySevere (Child-Pugh class C): Avoid use Mild-to-moderate (Child-Pugh class A or B): Consider starting dosage of 20 mg PO once daily Severe (Child-Pugh class C): Avoid use ED PRN use: Not to exceed 10 mg/72 hr ED or ED/BPH once-daily use: Not to exceed 2.5 mg/day Adcirca, Alyq, TadliqOn ritonavir for at least 1 week: Start tadalafil at 20 mg PO qDay; may increase to 40 qDay based on individual tolerabilityAvoid tadalafil during ritonavir initiationStop tadalafil at least 24 hr before to starting ritonavirAfter at least 1 week following ritonavir initiation, resume tadalafil 20 mg PO qDay; may increase to 40 qDay based on individual tolerability On ritonavir for at least 1 week: Start tadalafil at 20 mg PO qDay; may increase to 40 qDay based on individual tolerability Stop tadalafil at least 24 hr before to starting ritonavir After at least 1 week following ritonavir initiation, resume tadalafil 20 mg PO qDay; may increase to 40 qDay based on individual tolerability Chewtadzy: Not indicated for once daily use for ED because dosing is not possible (recommended dosage for this indication cannot be achieved with lowest available strength) Orphan designation for Duchenne muscular dystrophy (DMD) Eli Lilly and Company; Lilly Corporate Center; Indianapolis, IN 46285 Indicated for treatment of erectile dysfunction (ED) Cialis or generic equivalent only: No dosage adjustment is warranted solely on basis of age; however, greater sensitivity to medications in some older individuals should be considered Indicated for pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability; studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%) Adcirca, Alyq, or generic equivalent only: Lower dose or reduced dosing frequency may be required in elderly because of decreased renal or hepatic clearance Allow 48h after last tadalafil dose before nitrate administration. Allow 48h after last tadalafil dose before nitrate administration. nitroglycerin rectaltadalafil increases effects of nitroglycerin rectal by additive vasodilation.

Mechanism of action

Time course of the interaction between tadalafil and nitrates. Treasure Island, FL: StatPearls Publishing; 2025 Jan–. Taylor J, Baldo OB, Storey A, Cartledge J, Eardley I. Differences in side-effect duration and related bother levels between phosphodiesterase type 5 inhibitors. The association of tadalafil exposure with lower rates of major adverse cardiovascular events and mortality in a general population of men with erectile dysfunction.

Drug Interactions

Gulati P, Singh N. Neuroprotective effect of tadalafil, a PDE-5 inhibitor, and its modulation by L-NAME in a mouse model of ischemia-reperfusion injury. Indicated for treatment of erectile dysfunction (ED) Cialis (or generic equivalent) or Chewtadzy only PRN use: 10 mg PO initially before sexual activity, with or without food; may be increased to 20 mg or reduced to 5 mg on basis of efficacy and tolerability; in most patients, maximum dosing frequency is once daily Once-daily use (Cialis): 2.5 mg/day PO in single daily dose, without regard to timing of sexual activity, with or without food; may be increased to 5 mg/day on basis of efficacy and tolerability Indicated for treatment of signs and symptoms of benign prostatic hyperplasia (BPH); daily use also indicated for treatment of patients with both BPH and erectile dysfunction Cialis (or generic equivalent) or Chewtadzy only BPH with ED: 5 mg PO once daily, taken at approximately same time each day without regard to timing of sexual activity Coadministration with finasteride for BPH: Tadalafil 5 mg plus finasteride 5 mg PO once daily for ≤26 weeks; incremental benefit of tadalafil decreases from 4 weeks until 26 weeks, and the benefit beyond 26 weeks is unknown Indicated for pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability; studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%) Adcirca, Alyq, Tadliq, or generic equivalent only 40 mg PO once daily; dividing dose for more frequent dosing is not recommended Patients also taking ritonavir: 20 mg PO once daily initially for ≥1 week; may be increased to 40 mg/day on basis of tolerability Cialis, Chewtadzy (PRN use)Mild (CrCl >50 mL/min): No dosage adjustment neededModerate (CrCl 30-50 mL/min): Not to exceed 5 mg PO once daily initially; maximum dosage, 10 mg PO q48hrSevere (CrCl <30 mL/min and on hemodialysis): Not to exceed 5 mg PO q72hr Mild (CrCl >50 mL/min): No dosage adjustment needed Moderate (CrCl 30-50 mL/min): Not to exceed 5 mg PO once daily initially; maximum dosage, 10 mg PO q48hr Severe (CrCl <30 mL/min and on hemodialysis): Not to exceed 5 mg PO q72hr Cialis (once daily use)ED (CrCl >50 mL/min): No dosage adjustment neededBPH or BPH/ED (CrCl 30-50 mL/min): 2.5 mg/day starting dose recommended; may increase to 5 mg according to individual responseED or BPH (CrCl <30 mL/min or hemodialysis): Not recommended ED (CrCl >50 mL/min): No dosage adjustment needed BPH or BPH/ED (CrCl 30-50 mL/min): 2.5 mg/day starting dose recommended; may increase to 5 mg according to individual response ED or BPH (CrCl <30 mL/min or hemodialysis): Not recommended Chewtadzy (once daily use)BPH, ED/BPHCrCl >50 mL/min: No dosage adjustment neededCrCl ≤50 mL/min or hemodialysis: Not recommended CrCl >50 mL/min: No dosage adjustment needed CrCl ≤50 mL/min or hemodialysis: Not recommended Adcirca, Alyq, TadliqMild-to-moderate (CrCl 31-80 mL/min): 20 mg PO once daily initially; may be increased to 40 mg once daily on basis of tolerabilitySevere (CrCl <30 mL/min and on hemodialysis): Avoid use Mild-to-moderate (CrCl 31-80 mL/min): 20 mg PO once daily initially; may be increased to 40 mg once daily on basis of tolerability Severe (CrCl <30 mL/min and on hemodialysis): Avoid use Cialis, Chewtadzy (PRN use)Mild-to-moderate (Child-Pugh class A or B): Not to exceed 10 mg PO once dailySevere (Child-Pugh class C): Not recommended Mild-to-moderate (Child-Pugh class A or B): Not to exceed 10 mg PO once daily Severe (Child-Pugh class C): Not recommended Cialis, Chewtadzy (once daily use)Mild-to-moderate (Child-Pugh class A or B): Data limited; caution advisedSevere (Child-Pugh class C): Not recommended Mild-to-moderate (Child-Pugh class A or B): Data limited; caution advised Severe (Child-Pugh class C): Not recommended Adcirca, Alyq, TadliqMild-to-moderate (Child-Pugh class A or B): Consider starting dosage of 20 mg PO once dailySevere (Child-Pugh class C): Avoid use Mild-to-moderate (Child-Pugh class A or B): Consider starting dosage of 20 mg PO once daily Severe (Child-Pugh class C): Avoid use ED PRN use: Not to exceed 10 mg/72 hr ED or ED/BPH once-daily use: Not to exceed 2.5 mg/day Adcirca, Alyq, TadliqOn ritonavir for at least 1 week: Start tadalafil at 20 mg PO qDay; may increase to 40 qDay based on individual tolerabilityAvoid tadalafil during ritonavir initiationStop tadalafil at least 24 hr before to starting ritonavirAfter at least 1 week following ritonavir initiation, resume tadalafil 20 mg PO qDay; may increase to 40 qDay based on individual tolerability On ritonavir for at least 1 week: Start tadalafil at 20 mg PO qDay; may increase to 40 qDay based on individual tolerability Stop tadalafil at least 24 hr before to starting ritonavir After at least 1 week following ritonavir initiation, resume tadalafil 20 mg PO qDay; may increase to 40 qDay based on individual tolerability Chewtadzy: Not indicated for once daily use for ED because dosing is not possible (recommended dosage for this indication cannot be achieved with lowest available strength) Orphan designation for Duchenne muscular dystrophy (DMD) Eli Lilly and Company; Lilly Corporate Center; Indianapolis, IN 46285 Indicated for treatment of erectile dysfunction (ED) Cialis or generic equivalent only: No dosage adjustment is warranted solely on basis of age; however, greater sensitivity to medications in some older individuals should be considered Indicated for pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability; studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%) Adcirca, Alyq, or generic equivalent only: Lower dose or reduced dosing frequency may be required in elderly because of decreased renal or hepatic clearance Allow 48h after last tadalafil dose before nitrate administration. Allow 48h after last tadalafil dose before nitrate administration. nitroglycerin rectaltadalafil increases effects of nitroglycerin rectal by additive vasodilation.

7. Lifestyle factors

Use of nitroglycerin within a few days of PDE5 inhibitors is contraindicated. PDE5 inhibitors have been shown to potentiate the hypotensive effects of organic nitrates. tadalafil increases effects of nitroglycerin rectal by additive vasodilation. Either increases effects of the other by additive vasodilation. Coadministration of buy tadalafil PDE-5 inhibitors (eg, avanafil, sildenafil, tadalafil, vardenafil) and guanylate cyclase stimulators (eg, riociguat) is contraindicated due to risk of additive hypotension; do not administer 24 hr before or within 48hr of each other. Use of nitroglycerin within a few days of PDE5 inhibitors is contraindicated. PDE5 inhibitors have been shown to potentiate the hypotensive effects of organic nitrates. tadalafil increases effects of nitroglycerin rectal by additive vasodilation.

• Tadalafil's peak effect occurs about 2 hours after intake.
• It is often chosen for weekend use due to its long duration.
• Tadalafil can improve confidence in sexual activity.
• Taking tadalafil with a heavy meal may delay its effect.
• Common side effects include muscle pain and indigestion.
• It is not a cure for erectile dysfunction but manages symptoms.
• Regular use may help maintain erectile function.
• Tadalafil's effectiveness depends on underlying health.
• Avoid excessive alcohol consumption with tadalafil.
• Consult a doctor before starting tadalafil, especially if on other meds.
• Tadalafil is a generic and branded medication options.
• It does not protect against sexually transmitted infections.

Either increases effects of the other by additive vasodilation.

Emerging Frontiers: Cardiovascular and Neurological Potential

The creators of this content disclaim any liability for decisions made based on the information presented. Consult your healthcare provider before starting any over-the-counter (OTC) products or prescription medications. Always seek the advice of your healthcare provider for any questions you may have regarding a medical condition. Certain medications may interact with your current prescription medications, medical conditions, or other supplements. Your healthcare provider can provide guidance tailored to your specific health needs.

1. They Look Different

Compounded medications are specially prepared for individual patient needs and, as such, have not been reviewed or approved by the U.S. Food and Drug Administration (FDA). These statements have not been evaluated by the FDA. Brock G, Broderick G, Roehrborn CG, Xu L, Wong D, Viktrup L. Tadalafil once daily in the treatment of lower urinary tract symptoms suggestive of benign prostatic hyperplasia in men without erectile dysfunction.

Less common

2013;112(7):990-997. doi:10.1111/bju.12251 Arif SA, Poon H. Tadalafil: 10 mg tadalafil a long-acting phosphodiesterase-5 inhibitor for the treatment of pulmonary arterial hypertension. PDE5 inhibition alleviates functional muscle ischemia in boys with Duchenne muscular dystrophy. Kloner RA, Hutter AM, Emmick JT, Mitchell MI, Denne J, Jackson G. Coadministration of buy tadalafil PDE-5 inhibitors (eg, avanafil, sildenafil, tadalafil, vardenafil) and guanylate cyclase stimulators (eg, riociguat) is contraindicated due to risk of additive hypotension; do not administer 24 hr before or within 48hr of each other. Either increases effects of the other by pharmacodynamic synergism. Coadministration of vericiguat with PDE-5 inhibitors may result in additive hypotensive effects. apalutamideapalutamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Coadministration of apalutamide, a strong CYP3A4 inducer, with drugs that are CYP3A4 substrates can result in lower exposure to these medications. Avoid or substitute another drug for these medications when possible. Evaluate for loss of therapeutic effect if medication must be coadministered. Adjust dose according to prescribing information if needed. apalutamide will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Your Fast and Convenient Healthcare Solution

Can you make tadalafil kick in faster?

Cialis for erectile dysfunction (ED)

atazanaviratazanavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Stop tadalafil >24 hours prior to protease inhibitor (PI) initiation, restart 7 days after PI initiation at 20 mg once daily, and increase to 40 mg once daily based on tolerability. atazanavir will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. ceritinibceritinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

• Tadalafil is commonly known as the weekend pill for erectile dysfunction.
• It is a long-acting medication effective for up to 36 hours.
• Tadalafil can be taken as a daily or as-needed pill.
• The typical dose for weekend use is 10-20 mg.
• It works by relaxing blood vessels in the penis.
• Tadalafil is available by prescription in many countries.
• The medication may cause side effects like headache or flushing.
• Alcohol can increase the risk of side effects when using tadalafil.
• Tadalafil is not suitable for individuals with certain heart conditions.
• It should be stored in a cool, dry place away from children.
• Always follow your healthcare provider’s dosage instructions.
• Do not combine tadalafil with nitrate medications.

ceritinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.