Ereva 25 Mg Tablet (Sildenafil Citrate)

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Pack SizePriceUnit PriceQuantity 
30 Tablet/s$53.67$1.79 / tablet
60 Tablet/s$76.87$1.28 / tablet
90 Tablet/s$99.61$1.11 / tablet
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Estimated delivery: November 3, 2026 – November 8, 2026
Written by Dr Ambrose Chan, MD, MD Medically reviewed by Dr. Sabrina Castillon, MD, MD
Last updated on September 12, 2026
Description

About Ereva 25 Mg Tablet (Sildenafil Citrate)

Medicine information

Active ingredient
Sildenafil citrate
Indication
Erectile dysfunction in adult men
Manufacturer
VIVO Life Science
Packaging
Strip of 10 effervescent tablets
Strength
25 mg
Dosage form
Effervescent tablet
Route
Oral

Medicine overview

Ereva 25 Mg Tablet contains sildenafil, a phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction in adult men. The verified product listings identify it as a 25 mg effervescent oral tablet marketed by VIVO Life Science. Sildenafil increases blood flow to the penis during sexual stimulation, helping a man achieve and maintain an erection. Sexual stimulation is still required for the medicine to work, and sildenafil does not increase sexual desire or cure the underlying cause of erectile dysfunction.

What it is used for

Ereva 25 Mg Tablet is used for erectile dysfunction, meaning difficulty getting or keeping an erection firm enough for sexual activity. Sildenafil supports the normal erectile response by improving penile blood flow when sexual stimulation occurs. Sildenafil is also used in other formulations and dosing regimens for pulmonary arterial hypertension, but that indication should not be assumed for this specific 25 mg erectile-dysfunction product.

How it works

Sildenafil inhibits phosphodiesterase type 5 (PDE5), an enzyme involved in breaking down cyclic guanosine monophosphate (cGMP). During sexual stimulation, nitric oxide increases cGMP in erectile tissue. Higher cGMP levels relax smooth muscle and allow more blood to enter the penis. By slowing cGMP breakdown, sildenafil strengthens this natural blood-flow response. It does not produce an erection without sexual stimulation.

How it is taken

Ereva is an effervescent oral tablet. Product information for this formulation instructs users to dissolve the tablet in a glass of water before taking it. For erectile dysfunction, sildenafil is generally taken as needed approximately 1 hour before sexual activity and may be taken between 30 minutes and 4 hours beforehand. Do not take sildenafil more than once in 24 hours. It may be taken with or without food, although a high-fat meal can delay its onset. Follow the prescribed instructions for the specific product.

Important warnings

Do not use sildenafil with nitrates or nitric oxide donors such as nitroglycerin because the combination can cause a dangerous fall in blood pressure. Concomitant use with riociguat should also be avoided. Tell the prescriber about alpha-blockers, blood-pressure medicines and strong CYP3A4 inhibitors, as these may require additional precautions. Medical assessment is important in people with significant cardiovascular disease, low blood pressure, recent heart attack or stroke, severe liver or kidney impairment, bleeding disorders, penile deformity, conditions that increase the risk of priapism, retinitis pigmentosa, or previous non-arteritic anterior ischemic optic neuropathy (NAION). Do not combine sildenafil with other PDE5 inhibitors or erectile-dysfunction medicines unless specifically directed. Stop sexual activity and obtain medical help for chest pain, dizziness or nausea during sex. Seek urgent medical attention for an erection lasting more than 4 hours or for sudden loss or marked reduction of vision or hearing.

Side effects and monitoring

Common adverse effects of sildenafil include headache, flushing, indigestion, nasal congestion, nausea, dizziness and visual disturbances such as altered color perception or blurred vision. Less common but serious problems include severe hypotension, prolonged or painful erection (priapism), sudden hearing loss, sudden vision loss and serious cardiovascular events. An erection lasting more than 4 hours, sudden vision or hearing changes, fainting, severe allergic symptoms or significant chest pain requires prompt medical attention. Routine laboratory monitoring is not generally required solely because sildenafil is used for erectile dysfunction, but underlying cardiovascular health and interacting medicines should be assessed when clinically appropriate.

Pregnancy

Ereva 25 Mg Tablet is indicated for erectile dysfunction in adult men and is not indicated for use in females. Pregnancy guidance for sildenafil used for other indications cannot be directly applied to this specific erectile-dysfunction product.

Breastfeeding

Ereva 25 Mg Tablet is not indicated for use in females. Sildenafil and its active metabolite have been detected in human milk, but available information is insufficient to establish the effects on a breastfed infant or on milk production.

Food, drink and interactions

Drinking substantial amounts of alcohol can contribute to dizziness, lower blood pressure and make it more difficult to achieve an erection. Limiting alcohol when sildenafil is being used is prudent, particularly if dizziness or light-headedness occurs.

Food and drink

Sildenafil may be taken with or without food. A high-fat meal can slow absorption and delay the time it takes to start working. Do not compensate for a delayed effect by taking an additional dose.

Storage

Store below 30°C. Keep the medicine in its original packaging and out of the reach of children.

Frequently asked questions

Do I need to be sexually aroused for Ereva to work?

Yes. Sildenafil supports the normal erectile response to sexual stimulation; it does not automatically produce an erection or increase sexual desire.

Can food make sildenafil take longer to work?

Yes. Sildenafil can be taken with or without food, but a high-fat meal can delay absorption and therefore delay its effect.

How long before sex should I take Ereva?

Sildenafil for erectile dysfunction is generally taken about 1 hour before sexual activity, although it may be taken between 30 minutes and 4 hours beforehand. Follow the instructions provided with your prescription.

Can I take another tablet if the first one does not seem to work?

Do not take sildenafil more than once in 24 hours. A delayed effect can occur, particularly after a high-fat meal, so do not take an extra dose to compensate.

Why do I get a headache or flushed face after sildenafil?

Headache and flushing are among the common effects of sildenafil and are related to its effects on blood vessels. Contact a healthcare professional if side effects are persistent, troublesome or severe.

What should I do if an erection lasts too long?

Get urgent medical attention if an erection lasts more than 4 hours. Prolonged erection, called priapism, can damage penile tissue if it is not treated promptly.

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

No. Sildenafil must not be combined with nitrates such as nitroglycerin because blood pressure can fall to a dangerous level.

Does sildenafil still work after drinking alcohol?

Alcohol can make erections more difficult and may add to dizziness or blood-pressure lowering. Avoid excessive alcohol when using sildenafil.

Can Cheap Generic Med ship Ereva 25 Mg Tablet internationally?

NOT VERIFIED

Sources

  1. www.dailymed.nlm.nih.gov
  2. medlineplus.gov
  3. www.dailymed.nlm.nih.gov
  4. www.1mg.com
  5. pharmeasy.in

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
ManufacturerVIVO Life Science
PackagingQty
strength25mg
Delivery Time6 To 15 days
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