The m)8.3 (e)-0.7 (an steady state )]TJ 0.0008 Tc -0.0008 Tw -25.96 -1.165 Td [(volum)8.6 (e of distribution \(Vss\) for sildenafil is 105 L, indicating distributi\ on into the tissues.

Author information

)]TJ 0.0009 Tc -0.0009 Tw T* [(Sildenafil and its m)8.7 (ajor circulating N-desm)8.7 (ethyl m)8.7 (etabolite are both approxim)8.7 (ately 96% bound )]TJ 0.0008 Tc -0.0008 Tw T* [(to plasm)8.6 (a proteins. Protein binding is i)]TJ 0.0007 Tc -0.0007 Tw 15.495 0 Td (ndependent of total drug concentrations. )Tj 0 Tc 0 Tw -15.495 -1.165 Td ( )Tj 0.0006 Tc -0.0006 Tw T* [(Based upon m)8.4 (easurem)8.4 (ents of sildenafil in sem)8.4 (e)-0.6 (n of healthy volunteers 90 m)8.4 (i)-1.6 (nutes after dosing, )]TJ T* [(less than 0.001% of the adm)8.5 (i)-1.5 (nistered dose m)8.5 (ay appear in the sem)8.5 (en of patients. )]TJ 0 Tc 0 Tw T* ( )Tj /TT1 1 Tf 0.0005 Tc -0.0005 Tw 0 -1.18 TD (Metabolism and Excretion:)Tj /TT0 1 Tf 0.0007 Tc -0.0007 Tw 11.68 0 Td [( Sildenafil is cleared predom)8.5 (inantly by the CYP3A4 \(m)8.5 (ajor route\) )]TJ 0.0008 Tc -0.0008 Tw -11.68 -1.165 Td [(and CYP2C9 \(m)8.6 (inor route\) hepatic m)8.6 (i)-1.4 (crosom)8.6 (al isoenzym)8.6 (es. The m)8.6 (ajor circulating m)8.6 (etabolite )]TJ 0.0009 Tc -0.0009 Tw 0 -1.165 TD [(results f)3.9 (r)-1.1 (om)8.7 ( N-desm)8.7 (ethylation of)3.9 ( sildenaf)3.9 (il, and is itself)3.9 ( f)3.9 (u)0.9 (rther m)8.7 (etabolized. This m)8.7 (etabolite has )]TJ 0.001 Tc -0.001 Tw T* [(a PDE selectivity prof)4 (ile sim)8.8 (ilar to sildenaf)4 (il and an )]TJ /TT2 1 Tf 0.0012 Tc -0.0012 Tw 21.055 0 Td (in vitro)Tj /TT0 1 Tf 0.0004 Tc -0.0004 Tw [( potency for PDE5 approxim)8.2 (a)-0.8 (tely )]TJ 0.0007 Tc -0.0007 Tw -21.055 -1.165 Td [(50% of the parent drug.

  • The term 'sildenafil white' often refers to unbranded, generic pills.
  • It may be available online through various pharmacies and vendors.
  • Users should verify the legitimacy of sildenafil sources to avoid fake products.
  • This medication is not suitable for individuals with certain heart conditions.
  • Sildenafil white is sometimes used recreationally for its euphoric effects.
  • It may interact with certain antibiotics and antifungals, altering effectiveness.
  • Patients should inform their doctor of all medications before use.
  • The medication is not an aphrodisiac; it only facilitates erectile response.
  • Overuse or misuse of sildenafil white can lead to serious health risks.
  • The recommended maximum frequency is once per day unless advised otherwise.
  • Consultation with a healthcare professional is essential prior to use.

Plasm)8.5 (a concentrations of this m)8.5 (etabolite are approxim)8.5 (ately 40% of those )]TJ 0.0009 Tc -0.0009 Tw T* [(seen for sildenafil, so that the m)8.7 (etabolite acc)]TJ 0.0007 Tc -0.0007 Tw 17.855 0 Td [(ounts for about 20% of sildenafil\222s pharm)8.5 (acologic )]TJ 0.0001 Tc -0.0001 Tw -17.855 -1.165 Td (effects. )Tj 0 Tc 0 Tw T* ( )Tj 0.001 Tc -0.001 Tw T* [(After either oral or intravenous adm)8.8 (i)-1.2 (nistration, sildenafil is excreted as m)8.8 (etabolites )]TJ 0.0008 Tc -0.0008 Tw T* [(predom)8.6 (inantly in the feces \(approxim)8.6 (ately 80% of adm)8.6 (i)-1.4 (nistered oral dose\) and to a lesser extent )]TJ 0.0009 Tc -0.0009 Tw T* [(in the urine \(approxim)8.7 (ately 13% of the adm)8.7 (i)-1.3 (nistered oral dose\).

  • Sildenafil white is sometimes called the "blue pill" in popular culture.
  • It remains one of the most prescribed medications for ED worldwide.
  • Some individuals purchase sildenafil white without a prescription, which can be risky.
  • Derived from a scientific discovery initially aimed at heart treatment.
  • Viagra was the first brand to market sildenafil for ED.
  • The medication can cause side effects like dizziness and upset stomach.
  • Elderly patients should be cautious due to increased risk of side effects.
  • Regular medical check-ups are recommended for long-term sildenafil users.
  • Lifestyle changes, such as exercise and diet, can enhance treatment results.
  • The medication is typically taken on an empty stomach for quicker effect.
  • Research continues into new formulations and delivery methods for sildenafil

Sim)8.7 (ilar values for )]TJ T* [(pharm)8.7 (acokinetic param)8.7 (eters were seen in norm)8.7 (al volunteers and in the patient population, using )]TJ 0.0008 Tc -0.0008 Tw T* [(a population pharm)8.6 (acokinetic approach. )]TJ /TT1 1 Tf 0 Tc 0 Tw 0 -1.18 TD ( )Tj 0.0006 Tc -0.0006 Tw 0 -1.17 TD (Pharmacokinetics in Special Populations )Tj 0.0014 Tc 0 Tw T* (Geriatrics:)Tj /TT0 1 Tf 0.0008 Tc -0.0008 Tw ( Healthy elderly volunteers \(65 years or over\) had a reduced clearance\ of sildenafil, )Tj 0 -1.165 TD [(with free plasm)8.6 (a concentrations approxim)8.6 (ately 40% greater than those seen in healthy younger )]TJ T* (volunteers \(18-45 years\).

Parameter Value Notes
Absorption Rate Rapid, 30-60 minutes Peak concentration in 60 min
Bioavailability Approximately 40% Varies by individual
Half-life About 4 hours Elimination from body
Metabolism Liver via CYP3A4 enzyme Major pathway
Excretion Mainly via feces, some in urine After metabolism

)Tj 0 Tc 0 Tw T* ( )Tj /TT1 1 Tf 0.0006 Tc -0.0006 Tw 0 -1.18 TD (Renal Insufficiency:)Tj /TT0 1 Tf 0.0008 Tc -0.0008 Tw 8.595 0 Td [( In volunteers with m)8.6 (ild \(CLcr=50-80 m)8.6 (L)1.6 (/m)8.6 (in\) and m)8.6 (oderate )]TJ 0.0007 Tc -0.0007 Tw -8.595 -1.165 Td [(\(CLcr=30-49 m)8.5 (L)1.5 (/m)8.5 (in\) renal im)8.5 (pairm)8.5 (ent, the pharm)8.5 (acokinetics of a single oral dose of VIAGRA )]TJ 0.0009 Tc -0.0009 Tw 0 -1.165 TD [(\(50 m)8.7 (g)0.9 (\) were not altered. In volunteers with severe \(CLcr=<30 m)8.7 (L)1.7 (/m)8.7 (in\) renal im)8.7 (pairm)8.7 (ent, )]TJ 0.0006 Tc -0.0006 Tw T* [(sildenafil clearance was reduced, resulting in approxim)8.4 (a)-0.6 (tely doubling of AUC and C)]TJ -0.0184 Tc 0 Tw 7.98 0 0 7.98 470.1233 243.1228 Tm [(ma)-18.2 (x)]TJ 0 Tc 12 0 blue sildenafil 0 12 483.7432 244.6228 Tm ( )Tj 0.0009 Tc -0.0009 Tw -35.05 -1.165 Td [(com)8.7 (p)0.9 (ared to age-m)8.7 (atched volunteers with no renal im)8.7 (pairm)8.7 (ent. )]TJ /CS0 cs 1 0 0 scn 0 Tc 0 Tw T* ( )Tj 0 g /TT1 1 Tf 0.001 Tc -0.001 Tw 0 -1.18 TD (Hepatic Insufficiency: )Tj /TT0 1 Tf 0.0007 Tc -0.0007 Tw 9.685 0 Td (In volunteers with hepatic cirrhosis \(Child-Pugh A and B\), sildenafil \ )Tj -9.685 -1.165 Td (clearance was reduced, resulting in increases in AUC \(84%\) and C)Tj -0.0184 Tc 0 Tw 7.98 0 0 7.98 383.8433 187.0227 Tm [(ma)-18.2 (x)]TJ 0.001 Tc -0.001 Tw 12 0 0 12 397.4633 188.5227 Tm [( \(47%\) com)8.8 (p)1 (ared to )]TJ 0.0009 Tc -0.0009 Tw -27.86 -1.165 Td [(age-m)8.7 (atched volunteers with no hepatic im)8.7 (pairm)8.7 (ent.

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)]TJ 0 Tc 0 Tw 0 -1.165 TD ( )Tj 0.0009 Tc -0.0009 Tw T* [(Therefore, age >65, hepatic im)8.7 (pairm)8.7 (ent and severe renal im)8.7 (pairm)8.7 (ent are associated with )]TJ 0.0006 Tc -0.0006 Tw T* [(increased plasm)8.4 (a)-0.6 ( levels of sildenafil.

Sildenafil Brand Names

Viagra Generic

A starting oral dose of 25 m)8.4 (g)0.6 ( should be considered in )]TJ 0.0011 Tc -0.0011 Tw 0 -1.18 TD (those patients \(see )Tj /TT1 1 Tf -0.0009 Tc 0.0009 Tw 7.6 0 Td (DOSAGE AND ADMINISTRATION)Tj /TT0 1 Tf 0.001 Tc 0 Tw 15.98 0 Td (\). )Tj 0 Tc -23.58 -1.165 Td ( )Tj ET /Artifact <>BDC Q q 1 0 0 1 120.6970062 785.2004395 cm /GS1 gs /Fm0 Do Q EMC /Artifact <>BDC q 1 0 0 1 612 773.2004395 cm /GS1 gs /Fm1 Do Q EMC endstream endobj 358 0 obj <>>>/Resources 421 0 R/Subtype/Form>>stream 0 g 0 G 0 i 0 J []0 d 0 j 1 w 10 M 0 Tc 0 Tw 100 Tz 0 TL 0 Tr 0 Ts BT /ArialRoundedMTBold 10 Tf 0 0 1 rg 65.791 -7.9 Td (This ) Tj 22.92 0 Td (label ) Tj 26.055 0 Td (may ) Tj 22.71 0 Td (not ) Tj 18.12 0 Td (be ) Tj 14.692 0 Td (the ) Tj 18.023 0 Td (latest ) Tj 29.595 0 Td (approved ) Tj 48.974 0 Td (by ) Tj 14.17 0 Td (FDA.

4.3 Concomitant Guanylate Cyclase (GC) Stimulators

)]TJ 0 Tc 0 Tw T* ( )Tj 0.0009 Tc -0.0009 Tw T* [(Mean sildenafil plasm)8.7 (a concentrations m)8.7 (easured )]TJ 0.0008 Tc -0.0008 Tw 19.765 0 Td [(after the adm)8.6 (i)-1.4 (nistration of a single oral dose of )]TJ -19.765 -1.165 Td [(100 m)8.6 (g)0.8 ( to healthy m)8.6 (ale volunteers is depicted below: )]TJ 0 Tc 0 Tw T* ( )Tj ET q 1 0 0 1 -8.74585 -1.877228 cm 1 g 108.6 133.62 394.92 194.16 re f Q q 1 0 0 1 -8.74585 -1.877228 cm 1 G 0.06 w 503.52 327.84 -394.98 -194.22 re S Q q 1 0 0 1 -8.74585 -1.877228 cm 0.06 w q 1 0 0 1 254.4 146.46 cm 0 0 m 0 -2.4 l -1.08 0 m 1.02 0 l 1.8 -0.78 m 1.8 -2.4 l 1.8 -1.5 m 1.92 -1.14 l 2.28 -0.9 l 2.58 -0.78 l 3 -0.78 l 3.6 -1.5 m 5.4 -1.5 l 5.4 -1.26 l 5.28 -1.02 l 5.1 -0.9 l 4.8 -0.78 l 4.32 -0.78 l 4.32 -0.78 m 2.561 -1.442 4.327 -3.195 5.4 -2.04 c 8.1 -0.78 m 8.1 -2.4 l 8.1 -1.14 m 7.8 -0.9 l 7.5 -0.78 l 7.02 -0.78 l 6.72 -0.9 l 6.42 -1.14 l 6.3 -1.5 l 6.3 -1.74 l 6.42 -2.04 l 6.72 -2.28 l 6.72 -2.28 m 7.02 -2.4 l 7.5 -2.4 l 7.8 -2.28 l 8.1 -2.04 l 9.42 0 m 9.42 -1.92 l 9.6 -2.28 l 9.9 -2.4 l 10.2 -2.4 l 9 -0.78 m 10.02 -0.78 l 11.04 -0.78 m 11.04 -2.4 l 11.04 -1.26 m 11.52 -0.9 l 11.82 -0.78 l 12.3 -0.78 l 12.54 -0.9 l 12.72 -1.26 l 12.72 -2.4 l 12.72 -1.26 m 13.14 -0.9 l 13.44 -0.78 l 13.92 -0.78 l 14.22 -0.9 l 14.4 -1.26 l 14.4 -2.4 l 15.48 -1.5 m 17.28 -1.5 l 17.28 -1.26 l 17.1 -1.02 l 16.98 -0.9 l 16.62 -0.78 l 16.2 -0.78 l 15.9 -0.9 l 15.6 -1.14 l 15.088 -2.089 16.181 -2.706 16.98 -2.28 c 16.98 -2.28 m 17.28 -2.04 l 18.3 -0.78 m 18.3 -2.4 l 18.3 -1.26 m 18.72 -0.9 l 19.02 -0.78 l 19.5 -0.78 l 19.8 -0.9 l 19.98 -1.26 l 19.98 -2.4 l 21.3 0 m 21.3 -1.92 l 21.42 -2.28 l 21.72 -2.4 l 22.02 -2.4 l 20.82 -0.78 m 21.9 -0.78 l 23.04 -0.78 m 22.92 -0.9 l 22.92 -0.9 m 23.04 -1.02 l 23.22 -0.9 l 23.04 -0.78 l 23.04 -2.16 m 22.92 -2.28 l 23.04 -2.4 l 23.22 -2.28 l 23.04 -2.16 l 62.58 -0.6 m 62.46 -0.36 l 62.16 -0.12 l 61.86 0 l 61.26 0 l 60.96 -0.12 l 60.66 -0.36 l 60.001 -1.06 60.359 -2.159 61.26 -2.4 c 61.26 -2.4 m 61.86 -2.4 l 62.16 -2.28 l 62.46 -2.04 l 62.58 -1.8 l 64.26 -0.78 m 62.939 -1.108 63.372 -2.55 64.68 -2.4 c 65.898 -2.097 65.496 -0.593 64.26 -0.78 c 66.48 -0.78 m 66.48 -2.4 l 66.48 -1.26 m 66.96 -0.9 l 67.2 -0.78 l 67.68 -0.78 l 67.98 -0.9 l 68.1 -1.26 l 68.1 -2.4 l 68.1 -1.26 m 68.58 -0.9 l 68.88 -0.78 l 69.36 -0.78 l 69.6 -0.9 l 69.78 -1.26 l 69.78 -2.4 l 70.98 -0.78 m 70.98 -2.4 l 70.98 -1.26 m 71.46 -0.9 l 71.76 -0.78 l 72.18 -0.78 l 72.54 -0.9 l 72.54 -0.9 m 72.66 -1.26 l 72.66 -2.4 l 72.66 -1.26 m 73.08 -0.9 l 73.38 -0.78 l 73.86 -0.78 l 74.16 -0.9 l 74.34 -1.26 l 74.34 -2.4 l 75.36 -1.5 m 77.16 -1.5 l 77.066 0.124 74.239 -1.217 75.78 -2.28 c 75.78 -2.28 m 76.08 -2.4 l 76.56 -2.4 l 76.86 -2.28 l 77.16 -2.04 l 78.18 -0.78 m 78.18 -2.4 l 78.18 -1.5 m 78.36 -1.14 l 78.66 -0.9 l 78.96 -0.78 l 79.38 -0.78 l 81.78 -1.14 m 81.48 -0.9 l 81.18 -0.78 l 80.76 -0.78 l 80.46 -0.9 l 80.1 -1.14 l 79.98 -1.5 l 79.98 -1.74 l 80.1 -2.04 l 80.46 -2.28 l 80.46 -2.28 m 80.76 -2.4 l 81.18 -2.4 l 81.48 -2.28 l 81.78 -2.04 l 82.68 0 m 82.8 -0.12 l 82.98 0 l 82.8 0.12 l 82.68 0 l 82.8 -0.78 m 82.8 -2.4 l 85.68 -0.78 m 85.68 -2.4 l 85.68 -1.14 m 85.38 -0.9 l 85.08 -0.78 l 84.6 -0.78 l 84.36 -0.9 l 84 -1.14 l 83.88 -1.5 l 83.88 -1.5 m 83.88 -1.74 l 84 -2.04 l 84.36

Cialis Soft Tabs

) Tj -281.05 -12 Td (For ) Tj 18.96 0 Td (current ) Tj 38.765 0 Td (labeling ) Tj 41.055 0 Td (information, ) Tj 61.25 0 Td (please ) Tj 34.707 0 Td (visit ) Tj 22.299 0 Td ( Tj ET endstream endobj 359 0 obj <>>>/Resources 423 0 R/Subtype/Form>>stream 0 g 0 G 0 i 0 J []0 d 0 j 1 w 10 M 0 Tc 0 Tw 100 Tz 0 TL 0 Tr 0 Ts BT /ArialRoundedMTBold 10 Tf 0 0 1 rg 0 -7.9 Td ( ) Tj ET endstream endobj 423 0 obj <> endobj 424 0 obj <> endobj 422 0 obj <>stream /This label may not be the latest approved by FDA. For current labeling information, please visit endstream endobj 421 0 obj <> endobj 425 0 obj <> endobj 420 0 obj <>stream /This label may not be the latest approved by FDA. For current labeling information, please visit endstream endobj 357 0 obj <> endobj 352 0 obj <>stream q 1 0 0 1 -8.74585 -1.877228 cm 0 0 612 792 re W n 1 0 0 1 8.74585 1.877228 cm BT /GS0 gs /TT0 1 Tf 12 0 0 12 63.2541 47.6228 Tm ( )Tj 19.25 -0.005 Td (2)Tj 0.0007 Tc -19.25 54.94 Td (Studies )Tj /TT1 1 Tf 0.0012 Tc -0.0012 Tw 3.2 0 Td (in vitro)Tj /TT0 1 Tf 0.0006 Tc -0.0006 Tw [( have shown that sildenafil is selective for PDE5. Its effect is m)8.4 (o)0.6 (re potent on )]TJ 0.0002 Tc -0.0002 Tw -3.2 -1.165 Td (PDE5 than on other known phosphodiesterases \(10-fold for PDE6, >80-fold\ for PDE1, )Tj -0.0004 Tc 0.0004 Tw 0 -1.165 TD (>700-fold for PDE2, PDE3, PDE4, PDE7, PDE8, PDE9, PDE10, and PDE11\).

5.7 Combination with other PDE5 Inhibitors or Other Erectile Dysfunction Therapies

Its effect is m)8.4 (o)0.6 (re potent on )]TJ 0.0002 Tc -0.0002 Tw -3.2 -1.165 Td (PDE5 than on other known phosphodiesterases \(10-fold for PDE6, >80-fold\ for PDE1, )Tj -0.0004 Tc 0.0004 Tw 0 -1.165 TD (>700-fold for PDE2, PDE3, PDE4, PDE7, PDE8, PDE9, PDE10, and PDE11\). Th\ e )Tj 0.0005 Tc -0.0005 Tw T* [(approxim)8.3 (a)-0.7 (tely 4,000-fold selectivity for PDE5 versus PDE3 is im)8.3 (portant because PDE3 is )]TJ 0.0009 Tc -0.0009 Tw T* (involved in control of cardiac contractility. Silden)Tj 0.0005 Tc -0.0005 Tw 20.01 0 Td (afil is only about 10-fold as potent for PDE5 )Tj 0.0006 Tc -0.0006 Tw -20.01 -1.165 Td [(com)8.4 (p)0.6 (ared to PDE6, an enzym)8.4 (e)-0.6 ( found in the retina which is involved in the phototransduction )]TJ 0.0009 Tc -0.0009 Tw T* [(pathway of the retina. This lower selectivity is thought to be the basis\ for abnorm)8.7 (alities related to )]TJ 0.0008 Tc -0.0008 Tw 0 -1.18 TD [(color vision observed with higher doses or plasm)8.6 (a levels \(see )]TJ /TT2 1 Tf 0.0004 Tc 0 Tw 24.81 0 Td (Pharmacodynamics)Tj /TT0 1 Tf 0.001 Tc (\). )Tj 200mg sildenafil citrate 0 Tc -24.81 -1.165 Td ( )Tj 0.0005 Tc -0.0005 Tw 0 -1.165 TD [(In addition to hum)8.3 (an corpus cavernosum)8.3 ( sm)8.3 (ooth m)8.3 (u)0.5 (scle, PDE5 is also found in lower )]TJ 0.001 Tc -0.001 Tw T* (concentrations in other tissues including platel)Tj 0.0008 Tc -0.0008 Tw [(ets, vascular and visceral sm)8.6 (ooth m)8.6 (u)0.8 (scle, and )]TJ 0.0007 Tc -0.0007 Tw T* [(skeletal m)8.5 (u)0.7 (scle.

Pulmonary hypertension

The inhibition of PDE5 in these tissues by sildenafil m)8.5 (ay be the basis for the )]TJ 0.0009 Tc -0.0009 Tw T* (enhanced platelet antiaggregatory activity of nitric oxide observed )Tj /TT1 1 Tf 0.0012 Tc -0.0012 Tw 26.825 0 Td (in vitro)Tj /TT0 1 Tf 0.0005 Tc -0.0005 Tw (, an inhibition of )Tj 0.0009 Tc -0.0009 Tw -26.825 -1.165 Td [(platelet throm)8.7 (bus form)8.7 (ation )]TJ /TT1 1 Tf 0.001 Tc -0.001 Tw 11.42 0 Td (in vivo )Tj /TT0 1 Tf (and peripheral arterial-venous dilatation )Tj /TT1 1 Tf 19.265 0 Td (in vivo)Tj /TT0 1 Tf 0 Tc 0 Tw (. )Tj -30.685 -1.165 Td ( )Tj /TT2 1 Tf 0.0007 Tc -0.0007 Tw 0 -1.18 TD (Pharmacokinetics and Metabolism )Tj /TT0 1 Tf 0.0005 Tc -0.0005 Tw 0 -1.155 TD [(VIAGRA is rapidly absorbed after oral adm)8.3 (i)-1.7 (nist)]TJ 0.0008 Tc -0.0008 Tw 19.345 0 Td (ration, with absolute bioavailability of about )Tj 0.001 Tc -0.001 Tw -19.345 -1.165 Td [(40%. Its pharm)8.8 (acokinetics are dose-proportional over the recom)8.8 (m)8.8 (ended dose range. It is )]TJ 0.0008 Tc -0.0008 Tw 0 -1.165 TD [(elim)8.6 (inated predom)8.6 (inantly by hepatic m)8.6 (etabolism)8.6 ( \(m)8.6 (ainly cytochrom)8.6 (e P450 3A4\) and is )]TJ 0.001 Tc -0.001 Tw T* [(converted to an active m)8.8 (etabolite with properties sim)8.8 (ilar to the parent, sildenafil. Both sildenaf)3.9 (il and the )]TJ 0.0007 Tc -0.0007 Tw -28.575 -1.165 Td [(m)8.5 (etabolite have term)8.5 (inal half lives of about 4 hours. Th\ e )Tj 0.0005 Tc -0.0005 Tw T* [(approxim)8.3 (a)-0.7 (tely 4,000-fold selectivity for PDE5 versus PDE3 is im)8.3 (portant because PDE3 is )]TJ 0.0009 Tc -0.0009 Tw T* (involved in control of cardiac contractility. Silden)Tj 0.0005 Tc -0.0005 Tw 20.01 0 Td (afil is only about 10-fold as potent for PDE5 )Tj 0.0006 Tc -0.0006 Tw -20.01 -1.165 Td [(com)8.4 (p)0.6 (ared to PDE6, an enzym)8.4 (e)-0.6 ( found in the retina which is involved in the phototransduction )]TJ 0.0009 Tc -0.0009 Tw T* [(pathway of the retina. This lower selectivity is thought to be the basis\ for abnorm)8.7 (alities related to )]TJ 0.0008 Tc -0.0008 Tw 0 -1.18 TD [(color vision observed with higher doses or plasm)8.6 (a levels \(see )]TJ /TT2 1 Tf 0.0004 Tc 0 Tw 24.81 0 Td (Pharmacodynamics)Tj /TT0 1 Tf 0.001 Tc (\).

What is the difference between sildenafil and Viagra?

The m)8.3 (e)-0.7 (an steady state )]TJ 0.0008 Tc -0.0008 Tw -25.96 -1.165 Td [(volum)8.6 (e of distribution \(Vss\) for sildenafil is 105 L, indicating distributi\ on into the tissues. )]TJ 0.0009 Tc -0.0009 Tw T* [(Sildenafil and its m)8.7 (ajor circulating N-desm)8.7 (ethyl m)8.7 (etabolite are both approxim)8.7 (ately 96% bound )]TJ 0.0008 Tc -0.0008 Tw T* [(to plasm)8.6 (a proteins. Protein binding is i)]TJ 0.0007 Tc -0.0007 Tw 15.495 0 Td (ndependent of total drug concentrations. )Tj 0 Tc 0 Tw -15.495 -1.165 Td ( )Tj 0.0006 Tc -0.0006 Tw T* [(Based upon m)8.4 (easurem)8.4 (ents of sildenafil in sem)8.4 (e)-0.6 (n of healthy volunteers 90 m)8.4 (i)-1.6 (nutes after dosing, )]TJ T* [(less than 0.001% of the adm)8.5 (i)-1.5 (nistered dose m)8.5 (ay appear in the sem)8.5 (en of patients. )]TJ 0 Tc 0 Tw T* ( )Tj /TT1 1 Tf 0.0005 Tc -0.0005 Tw 0 -1.18 TD (Metabolism and Excretion:)Tj /TT0 1 Tf 0.0007 Tc -0.0007 Tw 11.68 0 Td [( Sildenafil is cleared predom)8.5 (inantly by the CYP3A4 \(m)8.5 (ajor route\) )]TJ 0.0008 Tc -0.0008 Tw -11.68 -1.165 Td [(and CYP2C9 \(m)8.6 (inor route\) hepatic m)8.6 (i)-1.4 (crosom)8.6 (al isoenzym)8.6 (es.

Tadalis Sx

The m)8.6 (ajor circulating m)8.6 (etabolite )]TJ 0.0009 Tc -0.0009 Tw 0 -1.165 TD [(results f)3.9 (r)-1.1 (om)8.7 ( N-desm)8.7 (ethylation of)3.9 ( sildenaf)3.9 (il, and is itself)3.9 ( f)3.9 (u)0.9 (rther m)8.7 (etabolized. This m)8.7 (etabolite has )]TJ 0.001 Tc -0.001 Tw T* [(a PDE selectivity prof)4 (ile sim)8.8 (ilar to sildenaf)4 (il and an )]TJ /TT2 1 Tf 0.0012 Tc -0.0012 Tw 21.055 0 Td (in vitro)Tj /TT0 1 Tf 0.0004 Tc -0.0004 Tw [( potency for PDE5 approxim)8.2 (a)-0.8 (tely )]TJ 0.0007 Tc -0.0007 Tw -21.055 -1.165 Td [(50% of the parent drug. Plasm)8.5 (a concentrations of this m)8.5 (etabolite are approxim)8.5 (ately 40% of those )]TJ 0.0009 Tc -0.0009 Tw T* [(seen for sildenafil, so that the m)8.7 (etabolite acc)]TJ 0.0007 Tc -0.0007 Tw 17.855 0 Td [(ounts for about 20% of sildenafil\222s pharm)8.5 (acologic )]TJ 0.0001 Tc -0.0001 Tw -17.855 -1.165 Td (effects. )Tj 0 Tc 0 Tw T* ( )Tj 0.001 Tc -0.001 Tw T* [(After either oral or intravenous adm)8.8 (i)-1.2 (nistration, sildenafil is excreted as m)8.8 (etabolites )]TJ 0.0008 Tc -0.0008 Tw T* [(predom)8.6 (inantly in the feces \(approxim)8.6 (ately 80% of adm)8.6 (i)-1.4 (nistered oral dose\) and to a lesser extent )]TJ 0.0009 Tc -0.0009 Tw T* [(in the urine \(approxim)8.7 (ately 13% of the adm)8.7 (i)-1.3 (nistered oral dose\). Sim)8.7 (ilar values for )]TJ T* [(pharm)8.7 (acokinetic param)8.7 (eters were seen in norm)8.7 (al volunteers and in the patient population, using )]TJ 0.0008 Tc -0.0008 Tw T* [(a population pharm)8.6 (acokinetic approach. )Tj 200mg sildenafil citrate 0 Tc -24.81 -1.165 Td ( )Tj 0.0005 Tc -0.0005 Tw 0 -1.165 TD [(In addition to hum)8.3 (an corpus cavernosum)8.3 ( sm)8.3 (ooth m)8.3 (u)0.5 (scle, PDE5 is also found in lower )]TJ 0.001 Tc -0.001 Tw T* (concentrations in other tissues including platel)Tj 0.0008 Tc -0.0008 Tw [(ets, vascular and visceral sm)8.6 (ooth m)8.6 (u)0.8 (scle, and )]TJ 0.0007 Tc -0.0007 Tw T* [(skeletal m)8.5 (u)0.7 (scle.

5.5 Hypotension when Co-administered with Alpha-blockers or Anti-hypertensives

)]TJ /TT1 1 Tf 0 Tc 0 Tw 0 -1.18 TD ( )Tj 0.0006 Tc -0.0006 Tw 0 -1.17 TD (Pharmacokinetics in Special Populations )Tj 0.0014 Tc 0 Tw T* (Geriatrics:)Tj /TT0 1 Tf 0.0008 Tc -0.0008 Tw ( Healthy elderly volunteers \(65 years or over\) had a reduced clearance\ of sildenafil, )Tj 0 -1.165 TD [(with free plasm)8.6 (a concentrations approxim)8.6 (ately 40% greater than those seen in healthy younger )]TJ T* (volunteers \(18-45 years\). )Tj 0 Tc 0 Tw T* ( )Tj /TT1 1 Tf 0.0006 Tc -0.0006 Tw 0 -1.18 TD (Renal Insufficiency:)Tj /TT0 1 Tf 0.0008 Tc -0.0008 Tw 8.595 0 Td [( In volunteers with m)8.6 (ild \(CLcr=50-80 m)8.6 (L)1.6 (/m)8.6 (in\) and m)8.6 (oderate )]TJ 0.0007 Tc -0.0007 Tw -8.595 -1.165 Td [(\(CLcr=30-49 m)8.5 (L)1.5 (/m)8.5 (in\) renal im)8.5 (pairm)8.5 (ent, the pharm)8.5 (acokinetics of a single oral dose of VIAGRA )]TJ 0.0009 Tc -0.0009 Tw 0 -1.165 TD [(\(50 m)8.7 (g)0.9 (\) were not altered. In volunteers with severe \(CLcr=<30 m)8.7 (L)1.7 (/m)8.7 (in\) renal im)8.7 (pairm)8.7 (ent, )]TJ 0.0006 Tc -0.0006 Tw T* [(sildenafil clearance was reduced, resulting in approxim)8.4 (a)-0.6 (tely doubling of AUC and C)]TJ -0.0184 Tc 0 Tw 7.98 0 0 7.98 470.1233 243.1228 Tm [(ma)-18.2 (x)]TJ 0 Tc 12 0 blue sildenafil 0 12 483.7432 244.6228 Tm ( )Tj 0.0009 Tc -0.0009 Tw -35.05 -1.165 Td [(com)8.7 (p)0.9 (ared to age-m)8.7 (atched volunteers with no renal im)8.7 (pairm)8.7 (ent. )]TJ /CS0 cs 1 0 0 scn 0 Tc 0 Tw T* ( )Tj 0 g /TT1 1 Tf 0.001 Tc -0.001 Tw 0 -1.18 TD (Hepatic Insufficiency: )Tj /TT0 1 Tf 0.0007 Tc -0.0007 Tw 9.685 0 Td (In volunteers with hepatic cirrhosis \(Child-Pugh A and B\), sildenafil \ )Tj -9.685 -1.165 Td (clearance was reduced, resulting in increases in AUC \(84%\) and C)Tj -0.0184 Tc 0 Tw 7.98 0 0 7.98 383.8433 187.0227 Tm [(ma)-18.2 (x)]TJ 0.001 Tc -0.001 Tw 12 0 0 12 397.4633 188.5227 Tm [( \(47%\) com)8.8 (p)1 (ared to )]TJ 0.0009 Tc -0.0009 Tw -27.86 -1.165 Td [(age-m)8.7 (atched volunteers with no hepatic im)8.7 (pairm)8.7 (ent. )]TJ 0 Tc 0 Tw 0 -1.165 TD ( )Tj 0.0009 Tc -0.0009 Tw T* [(Therefore, age >65, hepatic im)8.7 (pairm)8.7 (ent and severe renal im)8.7 (pairm)8.7 (ent are associated with )]TJ 0.0006 Tc -0.0006 Tw T* [(increased plasm)8.4 (a)-0.6 ( levels of sildenafil.

Dosage for pulmonary arterial hypertension (PAH)

A starting oral dose of 25 m)8.4 (g)0.6 ( should be considered in )]TJ 0.0011 Tc -0.0011 Tw 0 -1.18 TD (those patients \(see )Tj /TT1 1 Tf -0.0009 Tc 0.0009 Tw 7.6 0 Td (DOSAGE AND ADMINISTRATION)Tj /TT0 1 Tf 0.001 Tc 0 Tw 15.98 0 Td (\). )Tj 0 Tc -23.58 -1.165 Td ( )Tj ET /Artifact <>BDC Q q 1 0 0 1 120.6970062 785.2004395 cm /GS1 gs /Fm0 Do Q EMC /Artifact <>BDC q 1 0 0 1 612 773.2004395 cm /GS1 gs /Fm1 Do Q EMC endstream endobj 358 0 obj <>>>/Resources 421 0 R/Subtype/Form>>stream 0 g 0 G 0 i 0 J []0 d 0 j 1 w 10 M 0 Tc 0 Tw 100 Tz 0 TL 0 Tr 0 Ts BT /ArialRoundedMTBold 10 Tf 0 0 1 rg 65.791 -7.9 Td (This ) Tj 22.92 0 Td (label ) Tj 26.055 0 Td (may ) Tj 22.71 0 Td (not ) Tj 18.12 0 Td (be ) Tj 14.692 0 Td (the ) Tj 18.023 0 Td (latest ) Tj 29.595 0 Td (approved ) Tj 48.974 0 Td (by ) Tj 14.17 0 Td (FDA. ) Tj -281.05 -12 Td (For ) Tj 18.96 0 Td (current ) Tj 38.765 0 Td (labeling ) Tj 41.055 0 Td (information, ) Tj 61.25 0 Td (please ) Tj 34.707 0 Td (visit ) Tj 22.299 0 Td ( Tj ET endstream endobj 359 0 obj <>>>/Resources 423 0 R/Subtype/Form>>stream 0 g 0 G 0 i 0 J []0 d 0 j 1 w 10 M 0 Tc 0 Tw 100 Tz 0 TL 0 Tr 0 Ts BT /ArialRoundedMTBold 10 Tf 0 0 1 rg 0 -7.9 Td ( ) Tj ET endstream endobj 423 0 obj <> endobj 424 0 obj <> endobj 422 0 obj <>stream /This label may not be the latest approved by FDA. For current labeling information, please visit endstream endobj 421 0 obj <> endobj 425 0 obj <> endobj 420 0 obj <>stream /This label may not be the latest approved by FDA. For current labeling information, please visit endstream endobj 357 0 obj <> endobj 352 0 obj <>stream q 1 0 0 1 -8.74585 -1.877228 cm 0 0 612 792 re W n 1 0 0 1 8.74585 1.877228 cm BT /GS0 gs /TT0 1 Tf 12 0 0 12 63.2541 47.6228 Tm ( )Tj 19.25 -0.005 Td (2)Tj 0.0007 Tc -19.25 54.94 Td (Studies )Tj /TT1 1 Tf 0.0012 Tc -0.0012 Tw 3.2 0 Td (in vitro)Tj /TT0 1 Tf 0.0006 Tc -0.0006 Tw [( have shown that sildenafil is selective for PDE5. The inhibition of PDE5 in these tissues by sildenafil m)8.5 (ay be the basis for the )]TJ 0.0009 Tc -0.0009 Tw T* (enhanced platelet antiaggregatory activity of nitric oxide observed )Tj /TT1 1 Tf 0.0012 Tc -0.0012 Tw 26.825 0 Td (in vitro)Tj /TT0 1 Tf 0.0005 Tc -0.0005 Tw (, an inhibition of )Tj 0.0009 Tc -0.0009 Tw -26.825 -1.165 Td [(platelet throm)8.7 (bus form)8.7 (ation )]TJ /TT1 1 Tf 0.001 Tc -0.001 Tw 11.42 0 Td (in vivo )Tj /TT0 1 Tf (and peripheral arterial-venous dilatation )Tj /TT1 1 Tf 19.265 0 Td (in vivo)Tj /TT0 1 Tf 0 Tc 0 Tw (. )Tj -30.685 -1.165 Td ( )Tj /TT2 1 Tf 0.0007 Tc -0.0007 Tw 0 -1.18 TD (Pharmacokinetics and Metabolism )Tj /TT0 1 Tf 0.0005 Tc -0.0005 Tw 0 -1.155 TD [(VIAGRA is rapidly absorbed after oral adm)8.3 (i)-1.7 (nist)]TJ 0.0008 Tc -0.0008 Tw 19.345 0 Td (ration, with absolute bioavailability of about )Tj 0.001 Tc -0.001 Tw -19.345 -1.165 Td [(40%. Its pharm)8.8 (acokinetics are dose-proportional over the recom)8.8 (m)8.8 (ended dose range. It is )]TJ 0.0008 Tc -0.0008 Tw 0 -1.165 TD [(elim)8.6 (inated predom)8.6 (inantly by hepatic m)8.6 (etabolism)8.6 ( \(m)8.6 (ainly cytochrom)8.6 (e P450 3A4\) and is )]TJ 0.001 Tc -0.001 Tw T* [(converted to an active m)8.8 (etabolite with properties sim)8.8 (ilar to the parent, sildenafil. Both sildenaf)3.9 (il and the )]TJ 0.0007 Tc -0.0007 Tw -28.575 -1.165 Td [(m)8.5 (etabolite have term)8.5 (inal half lives of about 4 hours. )]TJ 0 Tc 0 Tw T* ( )Tj 0.0009 Tc -0.0009 Tw T* [(Mean sildenafil plasm)8.7 (a concentrations m)8.7 (easured )]TJ 0.0008 Tc -0.0008 Tw 19.765 0 Td [(after the adm)8.6 (i)-1.4 (nistration of a single oral dose of )]TJ -19.765 -1.165 Td [(100 m)8.6 (g)0.8 ( to healthy m)8.6 (ale volunteers is depicted below: )]TJ 0 Tc 0 Tw T* ( )Tj ET q 1 0 0 1 -8.74585 -1.877228 cm 1 g 108.6 133.62 394.92 194.16 re f Q q 1 0 0 1 -8.74585 -1.877228 cm 1 G 0.06 w 503.52 327.84 -394.98 -194.22 re S Q q 1 0 0 1 -8.74585 -1.877228 cm 0.06 w q 1 0 0 1 254.4 146.46 cm 0 0 m 0 -2.4 l -1.08 0 m 1.02 0 l 1.8 -0.78 m 1.8 -2.4 l 1.8 -1.5 m 1.92 -1.14 l 2.28 -0.9 l 2.58 -0.78 l 3 -0.78 l 3.6 -1.5 m 5.4 -1.5 l 5.4 -1.26 l 5.28 -1.02 l 5.1 -0.9 l 4.8 -0.78 l 4.32 -0.78 l 4.32 -0.78 m 2.561 -1.442 4.327 -3.195 5.4 -2.04 c 8.1 -0.78 m 8.1 -2.4 l 8.1 -1.14 m 7.8 -0.9 l 7.5 -0.78 l 7.02 -0.78 l 6.72 -0.9 l 6.42 -1.14 l 6.3 -1.5 l 6.3 -1.74 l 6.42 -2.04 l 6.72 -2.28 l 6.72 -2.28 m 7.02 -2.4 l 7.5 -2.4 l 7.8 -2.28 l 8.1 -2.04 l 9.42 0 m 9.42 -1.92 l 9.6 -2.28 l 9.9 -2.4 l 10.2 -2.4 l 9 -0.78 m 10.02 -0.78 l 11.04 -0.78 m 11.04 -2.4 l 11.04 -1.26 m 11.52 -0.9 l 11.82 -0.78 l 12.3 -0.78 l 12.54 -0.9 l 12.72 -1.26 l 12.72 -2.4 l 12.72 -1.26 m 13.14 -0.9 l 13.44 -0.78 l 13.92 -0.78 l 14.22 -0.9 l 14.4 -1.26 l 14.4 -2.4 l 15.48 -1.5 m 17.28 -1.5 l 17.28 -1.26 l 17.1 -1.02 l 16.98 -0.9 l 16.62 -0.78 l 16.2 -0.78 l 15.9 -0.9 l 15.6 -1.14 l 15.088 -2.089 16.181 -2.706 16.98 -2.28 c 16.98 -2.28 m 17.28 -2.04 l 18.3 -0.78 m 18.3 -2.4 l 18.3 -1.26 m 18.72 -0.9 l 19.02 -0.78 l 19.5 -0.78 l 19.8 -0.9 l 19.98 -1.26 l 19.98 -2.4 l 21.3 0 m 21.3 -1.92 l 21.42 -2.28 l 21.72 -2.4 l 22.02 -2.4 l 20.82 -0.78 m 21.9 -0.78 l 23.04 -0.78 m 22.92 -0.9 l 22.92 -0.9 m 23.04 -1.02 l 23.22 -0.9 l 23.04 -0.78 l 23.04 -2.16 m 22.92 -2.28 l 23.04 -2.4 l 23.22 -2.28 l 23.04 -2.16 l 62.58 -0.6 m 62.46 -0.36 l 62.16 -0.12 l 61.86 0 l 61.26 0 l 60.96 -0.12 l 60.66 -0.36 l 60.001 -1.06 60.359 -2.159 61.26 -2.4 c 61.26 -2.4 m 61.86 -2.4 l 62.16 -2.28 l 62.46 -2.04 l 62.58 -1.8 l 64.26 -0.78 m 62.939 -1.108 63.372 -2.55 64.68 -2.4 c 65.898 -2.097 65.496 -0.593 64.26 -0.78 c 66.48 -0.78 m 66.48 -2.4 l 66.48 -1.26 m 66.96 -0.9 l 67.2 -0.78 l 67.68 -0.78 l 67.98 -0.9 l 68.1 -1.26 l 68.1 -2.4 l 68.1 -1.26 m 68.58 -0.9 l 68.88 -0.78 l 69.36 -0.78 l 69.6 -0.9 l 69.78 -1.26 l 69.78 -2.4 l 70.98 -0.78 m 70.98 -2.4 l 70.98 -1.26 m 71.46 -0.9 l 71.76 -0.78 l 72.18 -0.78 l 72.54 -0.9 l 72.54 -0.9 m 72.66 -1.26 l 72.66 -2.4 l 72.66 -1.26 m 73.08 -0.9 l 73.38 -0.78 l 73.86 -0.78 l 74.16 -0.9 l 74.34 -1.26 l 74.34 -2.4 l 75.36 -1.5 m 77.16 -1.5 l 77.066 0.124 74.239 -1.217 75.78 -2.28 c 75.78 -2.28 m 76.08 -2.4 l 76.56 -2.4 l 76.86 -2.28 l 77.16 -2.04 l 78.18 -0.78 m 78.18 -2.4 l 78.18 -1.5 m 78.36 -1.14 l 78.66 -0.9 l 78.96 -0.78 l 79.38 -0.78 l 81.78 -1.14 m 81.48 -0.9 l 81.18 -0.78 l 80.76 -0.78 l 80.46 -0.9 l 80.1 -1.14 l 79.98 -1.5 l 79.98 -1.74 l 80.1 -2.04 l 80.46 -2.28 l 80.46 -2.28 m 80.76 -2.4 l 81.18 -2.4 l 81.48 -2.28 l 81.78 -2.04 l 82.68 0 m 82.8 -0.12 l 82.98 0 l 82.8 0.12 l 82.68 0 l 82.8 -0.78 m 82.8 -2.4 l 85.68 -0.78 m 85.68 -2.4 l 85.68 -1.14 m 85.38 -0.9 l 85.08 -0.78 l 84.6 -0.78 l 84.36 -0.9 l 84 -1.14 l 83.88 -1.5 l 83.88 -1.5 m 83.88 -1.74 l 84 -2.04 l 84.36