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

1.2 Benign Prostatic Hyperplasia

felodipinetadalafil increases effects of felodipine by pharmacodynamic synergism. tadalafil increases effects of felodipine by pharmacodynamic synergism. fluconazolefluconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fluconazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fluvoxaminefluvoxamine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Incidence not known

fluvoxamine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosaprepitantfosaprepitant will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosaprepitant will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosinopriltadalafil increases effects of fosinopril by pharmacodynamic synergism. tadalafil increases effects of fosinopril by pharmacodynamic synergism. isoniazid will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. isradipinetadalafil increases effects of isradipine by pharmacodynamic synergism. tadalafil increases effects of isradipine by pharmacodynamic synergism. istradefyllineistradefylline will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Istradefylline 40 mg/day increased peak levels and AUC of CYP3A4 substrates in clinical trials.

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	5mg	10 Pills	29.39€ 27.99€
Tadalista Super Active	20mg	60 + 8 Pills	230.32€ 219.35€
Cialis Generic	5mg	120 + 6 Pills	132.92€ 126.59€
Tadalista Super Active	20mg	30 + 6 Pills	128.09€ 121.99€
Cialis Generic	40mg	60 + 6 Pills	130.98€ 124.74€
Cialis Generic	5mg	60 + 4 Pills	86.02€ 81.92€
Cialis Generic	40mg	10 Pills	37.79€ 35.99€
Cialis Generic	10mg	270 + 10 Pills	308.71€ 294.01€
Cialis Generic	20mg	60 + 6 Pills	117.76€ 112.15€
Cialis Generic	20mg	120 + 8 Pills	188.15€ 179.19€
Cialis Generic	60mg	270 + 10 Pills	443.96€ 422.82€
Cialis Generic	40mg	270 + 10 Pills	382.19€ 363.99€
Cialis Generic	20mg	10 Pills	31.49€ 29.99€

This effect was not observed with istradefylline 20 mg/day.

5.1 Cardiovascular

esmololtadalafil increases effects of esmolol by pharmacodynamic synergism. tadalafil increases effects of esmolol by pharmacodynamic synergism. ethacrynic acidtadalafil increases effects of ethacrynic acid by pharmacodynamic synergism. tadalafil increases effects of ethacrynic acid by pharmacodynamic synergism. Combination may increase risk of orthostatic hypotension, tachycardia, dizziness and headache.

Impotence and its medical and psychosocial correlates: Results of the Massachusetts Male Aging Study

etravirineetravirine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. etravirine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fedratinibfedratinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Adjust dose of drugs that are CYP3A4 substrates as necessary. fedratinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Consider dose reduction of sensitive CYP3A4 substrates. istradefylline will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Available as round, yellow, film-coated tablets imprinted with "10".
Manufactured by various companies (e.g., Ajanta, Aurobindo, Teva).
Generic tadalafil is bioequivalent to the brand-name drug.
Check pill identification resources if unsure of medication.
Report any suspected adverse reactions to the FDA or equivalent.
Keep out of reach of children and pets.

labetaloltadalafil increases effects of labetalol by pharmacodynamic synergism.

What is tadalafil?

imatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. indapamidetadalafil increases effects of indapamide by pharmacodynamic synergism. tadalafil increases effects of indapamide by pharmacodynamic synergism. irbesartantadalafil increases effects of irbesartan by pharmacodynamic synergism. tadalafil increases effects of irbesartan by pharmacodynamic synergism. tadalafil increases effects of labetalol by pharmacodynamic synergism. lapatiniblapatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lapatinib will increase the cheap tadalafil level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. letermovirletermovir increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. letermovir increases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lisinopriltadalafil increases effects of lisinopril by pharmacodynamic synergism. tadalafil increases effects of lisinopril by pharmacodynamic synergism. losartantadalafil increases effects of losartan by pharmacodynamic synergism. tadalafil increases effects of losartan by pharmacodynamic synergism. lumefantrinelumefantrine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. lumefantrine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. marijuanamarijuana will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. marijuana will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. mavorixaformavorixafor will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

What You Need to Know:

hydralazinetadalafil increases effects of hydralazine by pharmacodynamic synergism. tadalafil increases effects of hydralazine by pharmacodynamic synergism. hydrochlorothiazidetadalafil increases effects of hydrochlorothiazide by pharmacodynamic synergism. tadalafil increases effects of hydrochlorothiazide by pharmacodynamic synergism. imatinibimatinib will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Monitor for adverse effects of sensitive CYP3A4 substrates if coadministered with mavorixafor (a weak CYP3A4 inhibitor). mavorixafor will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. metolazonetadalafil increases effects of metolazone by pharmacodynamic synergism. tadalafil increases effects of metolazone by pharmacodynamic synergism.

Stable coronary artery disease patients may use with physician approval.
Avoid in patients with uncontrolled hypertension or hypotension.
Use in patients with retinitis pigmentosa is not recommended.
May cause non-arteritic anterior ischemic optic neuropathy (NAION).
Symptoms of NAION: sudden vision loss in one eye; stop drug and call doctor.
Regular eye exams are not specifically required but be vigilant.

metoprololtadalafil increases effects of metoprolol by pharmacodynamic synergism. tadalafil increases effects of metoprolol by pharmacodynamic synergism. metronidazolemetronidazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. metronidazole will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. mifepristonemifepristone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Can be part of a treatment plan for psychological ED.
Success with medication can help break the cycle of anxiety.
May be used on an occasional basis for situational ED.
Useful for men who desire spontaneity due to long duration.
Not suitable for everyone; a thorough medical history is essential.
Discuss all treatment options, benefits, and risks with your doctor.

mifepristone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. minoxidiltadalafil increases effects of minoxidil by pharmacodynamic synergism. tadalafil increases effects of minoxidil by pharmacodynamic synergism.

Advice	Details	Rationale
Take as directed	Follow prescription instructions	Ensures safety and efficacy
Avoid heavy meals before taking	Especially fatty foods	May delay onset of action
Do not combine with nitrates	To prevent severe hypotension	Life-threatening interaction
Limit alcohol consumption	Excessive alcohol may impair effectiveness	Reduces risk of side effects
Report side effects to doctor	Especially vision changes or chest pain	For prompt medical attention

mitotanemitotane decreases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Country	Average Cost per Tablet	Brand Options	Over-the-counter Availability	Notes
USA	$10 - $20	Cialis, generics	No	Prescription needed
UK	£8 - £15	Cialis, generics	No	Prescription required
India	₹50 - ₹150	Tadalafil generics	Yes in some pharmacies	Lower cost, widely available
Australia	AU$20 - AU$35	Cialis, generics	No	Prescription necessary
Canada	CAD 15 - CAD 25	Cialis, generics	No	As per healthcare regulations

Mitotane is a strong inducer of cytochrome P-4503A4; monitor when coadministered with CYP3A4 substrates for possible dosage adjustments.

12.3 Pharmacokinetics

fosphenytoinfosphenytoin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. fosphenytoin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. furosemidetadalafil increases effects of furosemide by pharmacodynamic synergism. tadalafil increases effects sublingual tadalafil of furosemide by pharmacodynamic synergism. grapefruitgrapefruit will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism.

Muscular Dystrophy (Orphan)

grapefruit will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. griseofulvingriseofulvin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. griseofulvin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. guanfacinetadalafil increases effects of guanfacine by pharmacodynamic synergism. tadalafil increases effects of guanfacine by pharmacodynamic synergism. mitotane decreases levels of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nadololtadalafil increases effects of nadolol by pharmacodynamic synergism.

Absorption is not significantly affected by age.
Dosage adjustment is recommended for renal impairment.
For severe renal impairment, maximum dose is 10 mg every 72 hours.
For mild to moderate hepatic impairment, dose adjustment may not be needed.
Not studied in severe hepatic impairment; use is not recommended.
Elderly patients (over 65) may be more sensitive to side effects.

tadalafil increases effects of nadolol by pharmacodynamic synergism. nafcillinnafcillin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nafcillin will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nebivololtadalafil increases effects of nebivolol by pharmacodynamic synergism. tadalafil increases effects of nebivolol by pharmacodynamic synergism.

8.2 Lactation

Adjust tadalafil dose for PAH; if on Stribild, start tadalafil 20 mg/day; avoid tadalafil when starting Stribild; for ED, a single dose of tadalafil not exceeding 10 mg in 72 hr. enalapriltadalafil increases effects of enalapril by pharmacodynamic synergism. tadalafil increases effects of enalapril by pharmacodynamic synergism. Encorafenib both inhibits and induces CYP3A4 at clinically relevant plasma concentrations. Coadministration of encorafenib with sensitive CYP3A4 substrates may result in increased toxicity or decreased efficacy of these agents.

Dosage Forms & Strengths

eplerenonetadalafil increases effects of eplerenone by pharmacodynamic synergism. tadalafil increases effects of eplerenone by pharmacodynamic synergism. eprosartantadalafil increases effects of eprosartan by pharmacodynamic synergism. tadalafil increases effects of eprosartan by pharmacodynamic synergism. eslicarbazepine acetate will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nefazodonenefazodone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nefazodone will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nevirapinenevirapine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nevirapine will decrease the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. nifedipinenifedipine will increase the level or effect of tadalafil by affecting hepatic/intestinal enzyme CYP3A4 metabolism. Risk of hypotension.tadalafil increases effects of nifedipine by pharmacodynamic synergism.