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Penegra 100mg | Sildenafil Citrate

Sildenafil Citrate- Penegra

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Starting from $0.90

Penegra 100mg is a drug that contains Generic Sildenafil and is offered in oral formulation. It is presented in tablet form having high efficiency rate for up to 4-5 hours.

Quantity Strength Price Unit Price
40 Tablets Sildenafil Citrate - Penegra 100 mg $39.00 $0.98
60 Tablets Sildenafil Citrate - Penegra 100 mg $55.00 $0.92
100 Tablets Sildenafil Citrate - Penegra 100 mg $90.00 $0.90

Penegra 100mg is a drug that contains Generic Sildenafil and is offered in oral formulation. It is presented in tablet form having high efficiency rate for up to 4-5 hours. Sildenafil is first line treatment for erectile dysfunction. Erectile dysfunction/ impotence characterized by the poor blood supply in the penile spongy tissue. Penegra is an FDA approved drugs.

Basic mechanism of drug on the body

  • Sildenafil is a type of phosphodiesterase type-5 inhibitor (PDE-5).
  • Normally PDE-5 breaks down cyclic Guanosine Monophosphate (GMP) and Nitric Oxide due to which it cause the lowering of the blood flow in male genitals.
  • Sildenafil increases the cyclic GMP level and stops the enzyme PDE-5, which helps in maintaining the steady blood flow in the genitals.
  • It maintains the effect for around 4-5 hours after the administration of the drug.


Penegra is prescribed to men during the disease associated with erectile dysfunction or Impotence to maintain complete erection.

Drug should not be taken in following terms

  • Beverages like alcohol intake should be restricted.
  • Patients on nitrates or nitroglycerin should never take the drug.
  • In case of Liver disorder, hereditary retinal disorder, Cardiac related issues.

Drug Interactions

  • Drugs like Nitrates and alpha blockers for ex. Phentolamine, Tolazoline, and Prozosin and anti depressant drugs should be avoided.
  • Drugs like Cimetidine and Erythromycin can increase the half life of drug in blood plasma thus avoid it.
  • Protease inhibitors stops the metabolism of Sildenafil, thus it can increase the side effects of it. Thus avoid their parallel use.


Medicine should be kept away from the sunlight and should be stored in cool and dry place.

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The Sildenafil is available in 50mg and 100mg variant doses. Penegra 100mg is maximum dose which can be given in 24 hours.

How to take the medication

  • Penegra should be taken orally 30 minutes before the intercourse.
  • Sildenafil should be taken empty stomach.
  • It can be taken with full glass of plain water.


Man should not take more than one tablet within 24 hours as it can cause overdose and may result in severe health related issues.

Side effect of the drug Penegra 100mg

Mild to moderate side effects can be seen after taking the medicine.

  • Ii can cause impaired vision or blurred vision thus driving or mechanical work should be avoided.
  • Others are gastric disturbance, headache, urinary tract infection, back ache and flushes, Blue colored vision or light sensitivity.

Things should be kept in mind during the administration of the drug Penegra 100mg

  • Medicine should never be repeated in a day to increase the result.
  • Penegra should be taken without meal as the efficacy can be decreased due to the food.
  • Avoid Fats and high lipid content food items as it decreases the drug action.