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Sildenafil citrate tablets (Viagra)

Sildenafil is suitable for the treatment of erectile dysfunction (ED). More role
App download minus 10 yuan
Common name:
Sildenafil citrate tablets
Product No.:
B14202003669
Approval No.:
Gyzz h20020528 (inquired by the State Drug Administration)
Jianke price:
¥465.00
Product specification:
50mg*1s 0.1g*10s 25mg*28s 0.1g*1s 25mg*7s 0.1g*5s 50mg * 4 tablets 50mg*2s 50mg*5s 50mg*10s
Manufacturer:
Pfizer Pharmaceuticals Limited
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      Product name Sildenafil citrate tablets (Viagra)
      Main raw materials The main ingredient of this product is sildenafil citrate. Chemical name: 1 - {4-ethoxy-3 - (6,7-dihydro-1-methyl-7-oxo-3-propyl-1 hydrogen pyrazolo [4,3d] pyrimidine-5-yl) phenylsulfonyl} - 4-methylpiperazine citrate. Molecular formula: c22h30n6o4s & middot; C6H8O7 molecular weight: 666.70
      Main role Sildenafil is suitable for the treatment of erectile dysfunction (ED).
      Product specification 0.1g*5s
      Usage and dosage For most patients, the recommended dose is 50mg, which is taken as needed about 1 hour before sexual activity; However, it can be taken at any time within 0.5 ~ 4 hours before sexual activity. Based on efficacy and tolerance, the dose can be increased to 100mg (maximum recommended dose) or reduced to 25mg. Take it up to once a day. In the absence of sexual stimulation, the recommended dose of sildenafil does not work. The following factors were related to the increase of plasma sildenafil level (AUC): age over 65 years old (increased by 40%), liver damage (such as liver cirrhosis, increased by 80%), severe renal damage (creatinine clearance < 30ml / min, increased by 100%), and the simultaneous administration of powerful cytochrome P4503A4 inhibitors (ketoconazole, itraconazole (increased by 200%), erythromycin (increased by 182%), saquinavir (an increase of 210%)]. Since the high plasma level may increase the efficacy and the incidence of adverse events at the same time, the starting dose for these patients should be 25mg.
      manufacturing enterprise Pfizer Pharmaceuticals Limited
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      [drug name] Sildenafil citrate tablets (Viagra)

      [common name] Sildenafil citrate tablets

      [specification and model] 0.1g*5s

      [manufacturer] Pfizer Pharmaceuticals Limited

      [drug type] Western medicine

      [approval No.] Gyzz h20020528

      [validity period] 60 months

      [functional indications] Sildenafil is suitable for the treatment of erectile dysfunction (ED).

      [usage and dosage] For most patients, the recommended dose is 50mg, which can be taken on demand about 1 hour before sexual activity; however, it can be taken at any time within 0.5 ~ 4 hours before sexual activity. Based on efficacy and tolerance, the dose can be increased to 100mg (the maximum recommended dose) Or reduced to 25mg. Take up to once a day. When there is no sexual stimulation, the recommended dose of sildenafil does not work. The following factors are related to the increase of plasma sildenafil level (AUC): age over 65 years old (increased by 40%), liver damage (such as liver cirrhosis, increased by 80%), and severe renal damage (creatinine clearance < 30ml / min, increased by 100%) At the same time, take strong cytochrome P4503A4 inhibitors [ketoconazole, itraconazole (increased by 200%), erythromycin (increased by 182%), saquinavir (increased by 210%). Since the high plasma level may increase the efficacy and the incidence of adverse events at the same time, the initial dose for these patients should be 25mg.

      [adverse reactions] Headache, flushing, dyspepsia, nasal congestion and visual abnormalities. Visual abnormalities are mild and transient, mainly manifested as light loss, enhanced light perception or blurred vision.

      [precautions] The interaction of sildenafil nitrate esters on blood pressure can last from the beginning of administration to the whole 6-hour observation period. Therefore, in any case, combined administration of sildenafil and organic nitrates or provision of no drugs (such as sodium nitroprusside) is contraindicated. Sildenafil should be used with caution in the following patients: anatomical deformity of penis (such as penile deviation, cavernous fibrosis and Peyronie's disease), diseases that are easy to cause abnormal erection of penis (such as sickle cell anemia, multiple myeloma and leukemia). The safety and effectiveness of other methods for the treatment of erectile dysfunction combined with this product have not been studied, and the combination is not recommended. When cardiovascular risk factors exist, sexual activity after medication is at risk of non fatal / fatal cardiac events. At the beginning of sexual activity, if there are symptoms such as angina pectoris, dizziness and nausea, sexual activity must be terminated. There are a few reports of prolonged erection (more than 4 hours) and abnormal erection (painful erection more than 6 hours) after the product is approved for marketing abroad. If the erection lasts for more than 4 hours, the patient should see a doctor immediately. If the abnormal erection is not treated immediately, the penile tissue may be damaged and may lead to permanent loss of erectile function. Sildenafil has no protective effect on sexually transmitted diseases. Please read the instructions carefully and follow the doctor's advice.

      [taboo] Patients taking nitrates in any dosage form, whether regularly or intermittently, are contraindications. It is forbidden for patients allergic to any ingredient in sildenafil (Viagra).

      [listing Permit Holder] Pfizer Pharmaceuticals Limited

      [packaging unit] box

      [main ingredients] The main ingredient of this product is sildenafil citrate. Chemical name: 1 - {4-ethoxy-3 - (6,7-dihydro-1-methyl-7-oxo-3-propyl-1 hydrogen pyrazolo [4,3d] pyrimidine-5-yl) phenylsulfonyl} - 4-methylpiperazine citrate. Molecular formula: c22h30n6o4s & middot; C6H8O7 molecular weight: 666.70

      [character] This product is a blue film coated tablet, which turns white after removing the coating.

      [applicable population] Male, adult

      [medication for pregnant and lactating women] Sildenafil does not apply to women.

      [medication for children] Sildenafil is not applicable to newborns and children.

      [medication for elderly patients] Sildenafil clearance decreased in healthy elderly volunteers (≥ 65 years old). The blood drug concentration is high, which may increase the occurrence of adverse events at the same time, so the initial dose should be 25mg.

      [storage] Sealed, stored below 30 ℃

      Praise degree

      zero%

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        Sildenafil citrate tablets (Viagra)

        ¥465.00

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