Viamax 25mg 4pcs
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Viamax 25mg 4pcs

Generic Name: Sildenafil Citrate 25mg

Company Name: UniMed UniHealth Pharmaceuticals Ltd

Generic: Sildenafil

Type: Tablet

Pack Size: 4s pack

Urgent Delivery 2 Hours Dhaka City
Free Delivery for Order Tk.999+
Cash on Delivery all over Bangladesh

MRP 80 8% off
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Information about Viamax 25mg 4pcs


Men with erectile dysfunction (impotence) can be treated with the prescription drug Viamax 25mg. The penis receives more blood as a result of its action. This facilitates male erection onset or maintenance. It is a member of a class of drugs called phosphodiesterase type 5 (PDE 5) inhibitors. You can take Viamax 25mg with food or on an empty stomach. It must be taken exactly as your doctor has prescribed.


A phosphodiesterase type 5 (PDE5) inhibitor called sildenafil works by inhibiting cyclic Guanosine Monophosphate (cGMP). It is applied to the treatment of impotence. By inhibiting phosphodiesterase type 5 (PDE5), which is responsible for the breakdown of cGMP in the corpus cavernosum and results in smooth muscle relaxation and blood inflow, danafil (Sildenafil) boosts the effect of nitric oxide (NO).

Dosage & Administration

50 mg of Sildenafil taken about an hour before sexual activity is the recommended dosage. Sildenafil, however, can be taken from 30 minutes to 4 hours prior to sexual activity. The dose may be changed to a maximum of 100 mg or lowered to 25 mg depending on effectiveness and tolerability. One dose per day is the most frequently advised dosage.

  • If you take sildenafil with a large meal, it can take longer to start working.
  • You have been prescribed Viamax 25mg for the treatment of erectile dysfunction.
  • It is best to take it an hour before sexual intercourse. But, you can take it anytime between 30 minutes and 4 hours before sexual activity.
  • Do not take it more than once a day.
  • Seek medical attention if the erection persists for more than 4 hours after sexual intercourse.
  • Do not use Viamax 25mg if you have recently taken nitrates (medicines used in angina or chest pain).
  • Do not take it if you have had a heart attack in the past 3 months, or stroke or heart failure in the past 6 months.


Hypotension may result from the combination of sildenafil and organic nitrates used to treat angina. As well as some antibiotics like erythromycin and rifampin, as well as protease inhibitors like Ritonavir and Saquinavir, used to treat HIV infection, sildenafil levels in the blood may be increased by cimetidine, a medication used to treat stomach ulcers, as well as these medications. Sildenafil clearance may be lowered by the antifungal medications ketoconazole and itraconazole.


Any component of sildenafil is contraindicated in those who are hypersensitive to it. Sildenafil enhances the hypotensive effects of nitrates, thus it's not recommended for people who take organic nitrates on a regular or irregular basis.

Side Effect of Viamax 25mg

  • Flushing (sense of warmth in the face, ears, neck, and trunk)
  • Dyspepsia
  • Nasal congestion
  • Headache
  • Blurred vision
  • Dizziness
  • Muscle pain
  • Upset stomach
  • Altered vision
  • Rash
  • Urinary tract infection

Pregnancy & Lactation

Category B pregnancy. Sildenafil has not been studied in pregnant women in a sufficient and well-controlled manner. Sildenafil is not recommended for women. Sildenafil has been shown to be teratogenic and embryotoxic in animal studies.

Precautions & Warnings

Patients with allergies to other drugs or other substances such as foods, preservatives, or colors, heart or blood vessel issues, or abrupt loss of vision in one or both eyes should be cautious. Patients with diabetes, kidney or liver problems, leukemia, multiple myeloma, any disease or deformity of the penis, any bleeding disorder such as hemophilia, stomach ulcer, sickle cell anemia, color vision problems, sudden decrease or loss of hearing, or receiving any other treatment for impotence should exercise caution.

Storage Conditions

Keep in a dry place, away from light and heat. Keep out of the reach of children.

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