Cenforce 100 Mg

Cenforce 100 mg is a prescription tablet containing sildenafil citrate and is manufactured in India by Centurion Laboratories. Sildenafil belongs to a group of medicines known as PDE5 inhibitors and is prescribed for erectile dysfunction. It works by increasing blood flow to the penis during sexual stimulation, helping you achieve and maintain an erection suitable for sexual activity.

View Available Strengths

Last Updated on September 1, 2026 Published on September 1, 2026

Cenforce 100 mg sildenafil tablets box manufactured by Centurion Laboratories

Quick Facts About Cenforce 100 mg

Brand name Cenforce 100

Active ingredient Sildenafil citrate

Strength 100 mg per tablet

Medicine class Phosphodiesterase type 5 (PDE5) inhibitor

Primary use Erectile dysfunction in adult men

Manufacturer Centurion Laboratories Private Limited

Dosage form Oral tablet

Prescription status Prescription-only medicine

Sexual stimulation required Yes

Important contraindication Do not use sildenafil with nitrates, nitric oxide donors and riociguat

Maximum frequency Sildenafil should not be taken more than once in 24 hours unless specifically directed by a healthcare professional

What Is Cenforce 100 mg?

Cenforce 100 mg is an oral prescription tablet containing sildenafil citrate. It is manufactured in India by Centurion Laboratories and is used to manage erectile dysfunction (ED) in adult men.

Sildenafil belongs to a class of medicines called phosphodiesterase type 5 (PDE5) inhibitors. It improves the natural erectile response by increasing blood flow to the penis during sexual stimulation. Cenforce does not automatically cause an erection, increase sexual desire or cure the underlying cause of ED.

Cenforce is available in different strengths and formulations. The 100 mg tablet is a high-strength option and may not be suitable for every person. The appropriate strength should be selected by a qualified healthcare professional after considering the patient’s health, current medicines and response to treatment.

What Are the Benefits of Cenforce 100 mg?

Cenforce 100 mg may help men with erectile dysfunction achieve and maintain an erection when they are sexually aroused. Its active ingredient, sildenafil, supports the body’s natural erectile response rather than producing an erection without stimulation.

Potential benefits may include:

Improving the ability to achieve an erection
Helping maintain an erection during sexual activity
Supporting blood flow to the erectile tissue
Improving the firmness of an erection
Reducing difficulties associated with erectile dysfunction
Supporting more satisfactory sexual activity when the treatment is effective

Individual results can vary. Factors such as the cause of ED, general health, other medicines, alcohol, food and the level of sexual stimulation can influence the response.

Cenforce does not increase libido, protect against sexually transmitted infections or act as a contraceptive.

How to Take Cenforce 100 mg

Take Cenforce 100 mg exactly as instructed by your healthcare professional. The 100 mg strength is not an appropriate starting dose for everyone, and a lower sildenafil dose may be recommended depending on age, medical history, other medicines and possible side effects.

General administration guidance includes:

Take the prescribed dose approximately one hour before planned sexual activity.
Sildenafil may be taken between 30 minutes and four hours before sexual activity.
Swallow the tablet with water.
It may be taken with or without food.
A heavy or high-fat meal may delay how quickly the medicine begins to work.
Sexual stimulation is required for the medicine to produce an erectile response.
Do not take more than one prescribed dose within 24 hours.
Do not take an additional tablet if the first dose does not produce the expected result.
Do not combine it with other sildenafil products or erectile dysfunction medicines unless specifically instructed by a healthcare professional.

Never increase the dose without medical advice. Taking more sildenafil does not guarantee a better erection and can substantially increase the risk of side effects.

How Does Cenforce 100 mg Work?

An erection begins when sexual stimulation causes nitric oxide to be released in the erectile tissue. Nitric oxide encourages the production of cyclic guanosine monophosphate (cGMP), a chemical messenger that relaxes smooth muscle and widens blood vessels in the penis.

This relaxation allows more blood to enter the erectile tissue, helping the penis become firm. An enzyme called PDE5 normally breaks down cGMP and reduces this blood-flow response.

Sildenafil temporarily blocks the PDE5 enzyme. This allows cGMP to remain active for longer and supports increased penile blood flow during sexual stimulation. As a result, men with ED may find it easier to achieve and maintain an erection suitable for sexual activity.

Sildenafil commonly begins working within 30 to 60 minutes, although a high-fat meal may delay its onset. Its ability to support an erectile response may remain for up to approximately four hours. This does not mean that an erection should last for four hours. An erection should occur only in response to sexual arousal.

Is Cenforce 100 mg the Same as Viagra?

Cenforce 100 mg and Viagra both contain sildenafil citrate as their active ingredient, and both use the same PDE5-inhibition mechanism to support an erection during sexual stimulation.

However, they are not the same branded product. They are produced by different manufacturers and may differ in regulatory approval, manufacturing controls, packaging, tablet appearance and inactive ingredients.

Having the same active ingredient does not automatically prove that two products have identical bioavailability, regulatory approval or quality standards. Viagra is the original sildenafil brand, while Cenforce is a separately manufactured sildenafil product. A doctor or pharmacist should be consulted before switching between products.

Side Effects of Cenforce 100 mg

Like other sildenafil-containing medicines, Cenforce 100 mg can cause side effects. Not every person experiences them, and their severity can vary.

Common sildenafil side effects may include:

Headache
Facial flushing
Indigestion or heartburn
Stuffy or runny nose
Dizziness
Nausea
Back pain
Muscle pain
Temporary changes in vision, including blurred vision or a blue tint
Skin rash

Contact a healthcare professional if a side effect is persistent, severe or causes concern.

Serious Side Effects

Stop taking sildenafil and seek urgent medical assistance if you experience:

Chest pain, severe dizziness or fainting
An erection lasting longer than four hours
A painful or prolonged erection
Sudden loss or significant reduction of vision
Sudden reduction or loss of hearing
Severe shortness of breath
Swelling of the face, lips, tongue or throat
Difficulty breathing or swallowing
Symptoms of a severe allergic reaction

An erection lasting more than four hours requires immediate treatment because delayed care can cause permanent damage to penile tissue.

Safety Advice

Liver Disease

The liver helps process sildenafil. People with liver impairment may have higher levels of the medicine in their bloodstream and may be more likely to experience side effects.

A healthcare professional may recommend a lower starting dose after evaluating liver function and the severity of the condition. Do not use the 100 mg strength without medical advice if you have liver disease.

Kidney Impairment

Severe kidney impairment can slow the removal of sildenafil from the body. This may increase exposure to the medicine and raise the likelihood of adverse effects.

Tell your healthcare professional about any kidney condition or dialysis treatment. A lower dose may be more appropriate for people with severe kidney impairment.

Heart and Blood Pressure Conditions

Sexual activity places additional strain on the cardiovascular system. Sildenafil may also cause a temporary reduction in blood pressure.

Seek medical advice before using Cenforce if you have:

Heart disease or heart failure
Angina or unexplained chest pain
Very low or uncontrolled high blood pressure
An irregular heartbeat
A history of heart attack or stroke
Been advised to avoid sexual activity for medical reasons

Stop sexual activity and seek urgent medical help if you develop chest pain, dizziness or nausea during sex.

Nitrates and Riociguat

Never take sildenafil with nitrate medicines used for chest pain or with recreational substances known as “poppers.” This combination can cause a sudden and dangerous fall in blood pressure.

Sildenafil must also not be combined with riociguat, a medicine used for certain forms of pulmonary hypertension.

Common nitrates include:

Nitroglycerin
Isosorbide mononitrate
Isosorbide dinitrate
Amyl nitrite
Butyl nitrite

Tell emergency medical staff when you last took sildenafil if you require treatment for chest pain.

Other Medicines

Sildenafil can interact with other medicines, including:

Alpha-blockers
Blood pressure medicines
Other PDE5 inhibitors or ED treatments
Some antifungal medicines
Certain antibiotics
HIV protease inhibitors, including ritonavir
Medicines that affect the CYP3A4 enzyme

Provide your doctor or pharmacist with a complete list of prescription medicines, non-prescription products, vitamins and supplements before using Cenforce.

Alcohol and Grapefruit

Drinking a large amount of alcohol can increase dizziness, reduce blood pressure and make it more difficult to achieve an erection. Limiting alcohol may reduce these risks and improve the likelihood of an effective response.

Grapefruit and grapefruit juice may affect how sildenafil is processed by the body. Discuss grapefruit consumption with a healthcare professional, particularly if you take other interacting medicines.

Women, Pregnancy and Breastfeeding

Cenforce 100 mg is marketed for erectile dysfunction in adult men and is not intended for use by women or children.

Sildenafil is prescribed in other formulations for certain medical conditions. Anyone who is pregnant, planning a pregnancy or breastfeeding should use sildenafil only when it has been prescribed for a specific condition by a qualified healthcare professional.

Frequently Asked Questions

How Long Does Cenforce 100 mg Take to Work?

Sildenafil commonly begins working within 30 to 60 minutes. A heavy or high-fat meal may delay its onset. The response also depends on sexual stimulation, general health and the cause of erectile dysfunction.

How Long Do the Effects of Cenforce 100 mg Last?

Sildenafil may support an erectile response for up to approximately four hours. The duration varies between individuals. This does not mean that an erection will remain continuously present during this period.

Seek emergency medical assistance if an erection lasts longer than four hours.

Is Cenforce 100 mg Available Over the Counter?

Sildenafil is generally treated as a prescription medicine, although legal requirements differ between countries. Obtain it only through a lawful and appropriately regulated source after consulting a qualified healthcare professional.

What Happens If I Overdose on Cenforce?

Taking too much sildenafil can increase the risk of severe headache, flushing, dizziness, fainting, low blood pressure, visual disturbances and prolonged erection.

Do not wait for severe symptoms to develop after a suspected overdose. Contact emergency medical services or a local poison-control service for immediate guidance.

How Should Cenforce 100 mg Be Stored?

Keep the tablets in their original packaging and follow the storage instructions printed on the product label. Store them at room temperature in a dry place, away from direct sunlight, excessive heat and moisture.

Keep all medicines out of the sight and reach of children and pets. Do not use tablets that are damaged, discoloured or past their expiry date.

Can Cenforce 100 mg Be Split in Half?

Do not split a Cenforce 100 mg tablet unless a doctor or pharmacist has confirmed that the particular tablet can be divided safely. Splitting an unscored tablet may produce an inaccurate dose.

If a lower dose is required, using a properly manufactured lower-strength tablet may provide more reliable dosing.

Is Cenforce 100 mg the Same as Viagra?

Both products contain sildenafil citrate and work through the same PDE5-inhibition mechanism. However, they are different branded products made by different manufacturers and may not have the same regulatory status, inactive ingredients or quality documentation.

Does Cenforce 100 mg Increase Sexual Desire?

No. Sildenafil does not increase sexual desire or libido. It supports the physical erectile response by improving penile blood flow during sexual stimulation. It will not produce an erection without arousal.

Is Cenforce 100 mg Safe?

Sildenafil may be appropriate for some adults when prescribed after a medical assessment. However, the 100 mg strength is not suitable for everyone and can cause serious interactions or side effects.

It should not be used with nitrates or riociguat. People with heart conditions, blood pressure problems, liver or kidney impairment, eye disorders or a history of prolonged erections should obtain medical advice before taking it.

Can Alcohol Affect Cenforce 100 mg?

Yes. Excessive alcohol can increase dizziness and low blood pressure and may make it more difficult to achieve an erection. Limiting alcohol can help reduce side effects and avoid interference with sexual performance.

What Happens If I Take More Than One Cenforce 100 mg Tablet?

Taking more than one 100 mg tablet within 24 hours can substantially increase the risk of low blood pressure, fainting, vision changes, severe headache and prolonged erection.

Do not take another dose to compensate for a poor response. Seek medical advice if you have taken more than prescribed or develop unusual symptoms.

What Should I Do If Cenforce 100 mg Stops Working?

Do not increase the dose or take another tablet without medical advice. A reduced response may be associated with a heavy meal, excessive alcohol, insufficient stimulation, stress, medicine interactions, incorrect timing or changes in the underlying cause of ED.

A healthcare professional can review the way the medicine is being used, check for interactions and determine whether a different dose or treatment would be more appropriate.

Citations

cenforce100.com only refers to credible, authoritative sources for our content. If you're curious about how we ensure the integrity of our content, we encourage you to read our Content Information Policy.

Medical References

Average rating 0.0 / 5

How useful was this post?

Click on a star to rate it.

Medical Disclaimer

The information on cenforce100.com is provided for general educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional about medicines, symptoms, health conditions, or treatment decisions.