Vistagra 100 Mg Tablet (Sildenafil Citrate)

Price range: $731.25 through $2,092.50Required

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Pack SizePriceUnit PriceQuantity 
40 Tablet/s$731.25$18.28 / tablet
80 Tablet/s$1,418.75$17.73 / tablet
120 Tablet/s$2,092.50$17.44 / tablet
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Estimated delivery: October 29, 2026 – November 3, 2026
Written by Dr Ambrose Chan, MD, MD Medically reviewed by Dr. Sabrina Castillon, MD, MD
Last updated on September 14, 2026
Description

About Vistagra 100 Mg Tablet (Sildenafil Citrate)

Medicine information

Active ingredient
Sildenafil citrate
Delivery time
10–14 business days after dispatch for the United States, United Kingdom, Canada, and Australia; estimates vary for other destinations and may be extended by customs or local postal delays.
Indication
Erectile dysfunction (ED) in adult men
Manufacturer
Cadila Pharmaceuticals Ltd
Packaging
Strip of 4 tablets
Strength
100 mg
Dosage form
Tablet
Route
Oral

Medicine overview

Vistagra 100 Mg Tablet contains sildenafil, supplied as sildenafil citrate, and is used to treat erectile dysfunction in adult men. Sildenafil belongs to the phosphodiesterase type 5 (PDE5) inhibitor class. It helps improve blood flow to the penis during sexual stimulation, making it easier to achieve and maintain an erection. Vistagra is an oral tablet containing 100 mg sildenafil. The medicine requires sexual stimulation to produce its erectile effect and should be used according to a healthcare professional’s instructions.

What it is used for

Vistagra 100 Mg Tablet is used for the treatment of erectile dysfunction, sometimes called impotence, in adult men. Erectile dysfunction means being unable to achieve or maintain an erection sufficient for satisfactory sexual activity. Sildenafil improves the erectile response when sexual stimulation occurs; it does not cause an erection without sexual stimulation. The Vistagra 100 product should not be treated as interchangeable with sildenafil products intended and dosed specifically for pulmonary arterial hypertension.

How it works

During sexual stimulation, nitric oxide released in erectile tissue increases cyclic guanosine monophosphate (cGMP), a chemical that relaxes smooth muscle and allows more blood to enter the penis. Sildenafil inhibits phosphodiesterase type 5 (PDE5), the enzyme that normally breaks down cGMP. This allows the natural cGMP response to last longer and supports increased penile blood flow. Sildenafil therefore enhances the normal erectile response to sexual stimulation rather than creating sexual arousal itself.

How it is taken

Vistagra is taken by mouth according to the prescriber’s instructions. General sildenafil guidance for erectile dysfunction states that it may be taken approximately 1 hour before sexual activity and can be taken 30 minutes to 4 hours beforehand. It may be taken with or without food, although a high-fat meal can delay its onset. Sildenafil for erectile dysfunction should not be taken more than once per day. The 100 mg strength is the maximum recommended sildenafil dose for ED and should not be exceeded.

Important warnings

Do not use sildenafil with nitrates or nitric-oxide donor medicines because the combination can cause a dangerous fall in blood pressure. It is also contraindicated with guanylate cyclase stimulators such as riociguat and in people with hypersensitivity to sildenafil or tablet ingredients. Sexual activity may be unsafe for some people with significant cardiovascular disease, so cardiovascular status should be considered before treatment. Use requires caution with alpha-blockers, blood-pressure medicines and strong CYP3A4 inhibitors, and sildenafil should not be combined with other PDE5 inhibitors or other sildenafil-containing ED/PAH medicines. Seek urgent medical attention for an erection lasting longer than 4 hours, sudden vision loss, or sudden decrease or loss of hearing.

Side effects and monitoring

Common sildenafil side effects include headache, flushing, indigestion, abnormal or altered vision, nasal congestion, back pain, muscle pain, nausea, dizziness and rash. Some adverse effects become more frequent at higher doses. Serious or less common problems include prolonged erection or priapism, significant low blood pressure, sudden vision loss associated with non-arteritic anterior ischemic optic neuropathy (NAION), sudden hearing decrease or loss, and serious cardiovascular events reported after marketing. Obtain immediate medical attention for an erection lasting more than 4 hours or sudden loss of vision or hearing. Routine laboratory monitoring is not generally specified for sildenafil used for ED, but clinical review may be needed when cardiovascular disease, interacting medicines or troublesome adverse effects are present.

Pregnancy

Vistagra for erectile dysfunction is not indicated for use in females. There are no adequate human pregnancy data for sildenafil tablets used for this indication to establish drug-associated developmental risk.

Breastfeeding

Vistagra for erectile dysfunction is not indicated for use in females. Limited evidence indicates that sildenafil and its active metabolite can be present in human milk, but information about effects on a breastfed infant or milk production is lacking.

Food, drink and interactions

Sildenafil 50 mg did not increase the blood-pressure-lowering effect of alcohol in a controlled study in healthy volunteers, but the maximum 100 mg sildenafil dose was not evaluated in that study. Because both alcohol and sildenafil can contribute to symptoms such as dizziness or blood-pressure changes, patients should follow their prescriber’s advice about alcohol use.

Food and drink

Sildenafil can be taken with or without food. A high-fat meal slows absorption and may delay the time it takes the medicine to begin working; clinical pharmacology data found an average delay in peak concentration of about 60 minutes after a high-fat meal.

Storage

Store below 30°C. Product-specific Vistagra listings identify storage below 30°C; keep medicines out of reach of children and follow the storage instructions on the supplied pack.

Frequently asked questions

How long before sex should sildenafil be taken?

General prescribing information says sildenafil is usually taken about 1 hour before sexual activity, although it can be taken from 30 minutes to 4 hours beforehand.

Does sildenafil work without sexual stimulation?

No. Sildenafil supports the natural erectile response to sexual stimulation; it does not produce sexual arousal or automatically cause an erection.

Can I take Vistagra 100 after eating?

Yes. Sildenafil can be taken with or without food, but a high-fat meal can delay absorption and make it take longer to start working.

What should I do if sildenafil gives me a headache or flushing?

Headache and flushing are common sildenafil side effects. Contact a healthcare professional if an effect is severe, persistent or concerning rather than changing the dose yourself.

Can I take Vistagra with another erectile dysfunction medicine?

Combining sildenafil with other PDE5 inhibitors or other erectile dysfunction treatments is not recommended because safety and effectiveness have not been established and the combination may further lower blood pressure.

What if an erection lasts more than four hours?

Seek emergency medical attention immediately. A prolonged erection can damage penile tissue and may cause permanent loss of erectile function if it is not treated promptly.

Can I take Vistagra if I use nitroglycerin for chest pain?

No. Sildenafil must not be used with nitrates such as nitroglycerin because the combination can cause a potentially dangerous fall in blood pressure.

Can Cheap Generic Med ship Vistagra to the United States?

Cheap Generic Med serves the United States under its international shipping model. Delivery is typically estimated at 10–14 business days after dispatch, although customs or carrier delays can extend transit; prescription and personal-import requirements may also apply.

Will my Cheap Generic Med order have tracking?

Under the standard fulfilment model, tracked international shipping is used and a tracking number should be provided after dispatch. New tracking numbers may take 24–72 hours to begin showing movement.

Sources

  1. www.dailymed.nlm.nih.gov
  2. indianrailways.gov.in
  3. www.dailymed.nlm.nih.gov

Medical information notice: This information does not replace advice from a qualified healthcare professional. Use prescription medicine only as directed by the prescriber and the approved product information.

Additional information
Active IngredientsSildenafil Citrate
ManufacturerCadila Pharmaceuticals Ltd
PackagingQty
strength100mg
Delivery Time6 To 15 days
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