Niagra 100 mg (Tablet)

Unit Price: ৳ 20.00 (2 x 4: ৳ 160.00)
Strip Price: ৳ 80.00

Medicine Details

Category Details
Generic Sildenafil citrate
Company Delta pharma ltd
Also available as

Indications

  • Treatment of erectile dysfunction in men
  • Treatment of pulmonary arterial hypertension

Mode of Action

  • Inhibition of phosphodiesterase type 5 (PDE5)
  • Increased levels of cyclic guanosine monophosphate (cGMP)
  • Smooth muscle relaxation
  • Increased blood flow to penile tissues

Pharmacology

  • Mechanism of Action: Involves the release of nitric oxide and activation of guanylate cyclase
  • Pharmacokinetics and Metabolism: Rapid absorption, hepatic metabolism, active metabolite with similar properties, terminal half-life of about 4 hours
  • Absorption and Distribution: Rapid absorption with maximum plasma concentrations reached within 30 to 120 minutes
  • Metabolism and Excretion: Clearance by hepatic microsomal isoenzymes, excreted primarily in feces

Dosage & Administration

  • Erectile Dysfunction:
    • Recommended dose of 50 mg taken approximately 1 hour before sexual activity
    • Max dose of 100 mg or min dose of 25 mg
    • Recommended dosing frequency is once per day
  • Pulmonary Arterial Hypertension: Recommended dose of 20 mg three times a day

Interaction

  • Metabolism mediated by cytochrome P450 isoforms 3A4 and 2C9
  • Potential effects of CYP3A4 inhibitors and inducers on clearance

Contraindications

  • Hypersensitivity to any component of the medication
  • Concomitant use with organic nitrates

Side Effects

  • Includes body reactions, cardiovascular effects, digestive issues, hemic and lymphatic reactions, metabolic and nutritional reactions, musculoskeletal effects, nervous system effects, respiratory effects, skin and appendage reactions, special senses reactions, urogenital effects, and serious cardiovascular and cerebrovascular events

Pregnancy & Lactation

  • Pregnancy category B
  • Not indicated for use by women
  • Animal studies show no evidence of teratogenicity or embryotoxicity

Precautions & Warnings

  • General: Evaluation of underlying causes of erectile dysfunction, caution with alpha-blocker co-administration
  • Cardiac Risk: Consideration of cardiac risk related to underlying cardiovascular status
  • Sensitivity: Patients with specific underlying conditions may be sensitive to vasodilators
  • Specific Groups: No controlled clinical data on safety in certain patient groups

Overdose Effects

Similar adverse events as lower doses, standard supportive measures for overdose

Therapeutic Class

Drugs for Erectile Dysfunction

Storage Conditions

Dry place, away from light and heat, keep out of reach of children

Related Brands