Penegra 100 Mg

Last Updated: December 16, 2025

Penegra 100mg tablet contains Sildenafil Citrate. This product ships from India. Delivery to USA takes 7–14 days, 100% delivery guaranteed. Shipping fee: $9.99. Free shipping on orders over $100.

Active IngredientsSildenafil Citrate
IndicationErectile Dysfunction (ED) treatment
Expiry DateJune 2027
Note: The expiration date of the product you receive may be longer than the expiration date listed on the page.
Quantity per Box04 Tablets
Note: For orders of less than one box, the product may be shipped without its original packaging.
Pharmaceutical CompanyZydus Cadila Pharma
verified tick Medically Reviewed by Dr. David Harrilla
Dr. David Harrilla
✅ Verified Expert

Dr. David Harrilla

Drug Safety Expert & Specialist in Generic Medicine

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✍️ Written by Niamh Stovall
Niamh Stovall
✅ Verified Expert

Niamh Stovall

Senior Medical Content Writer
10+ Years Health Journalism

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What is Penegra 100 mg?

Penegra 100mg is well known worldwide and has the same active ingredients as Viagra, which is also sold in Japan. Since it is a generic drug, you can feel the same effect as the original drug. As a generic drug, it provides similar effectiveness at a lower cost. Available in 25mg, 50mg, and 100mg, it allows users to choose the right strength, making it suitable for first-time and long-term use.

Effect of Penegra 100 mg

Sildenafil, the active ingredient in Penegra 100mg, suppresses the action of the enzyme (PDE5). which treats erectile dysfunction by relaxing blood vessels and increasing blood flow to the penis during sexual stimulation. This helps men achieve and maintain a firm erection naturally. It has the effect of improving ED symptoms including.

The effect appears about 1 hour after taking it, and the duration is about 4-5 hours.

Active Ingredient of Penegra 100 mg

Sildenafil, the active ingredient in Penegra 100mg, is classified as a PDE5 inhibitor. It works by inhibiting PDE5, thereby suppressing the degradation of cGMP. As a result, sexual stimulation promotes blood flow and enables normal erection. Learn more about the active ingredients of Penegra 100mg.

How to Take Penegra 100 mg?

Take Penegra 100mg approximately 30 minutes to 1 hour before sexual activity. Take only once a day, and The next dose should be taken 24 hours later. Compared to tablet-type ED treatments, it is absorbed into the body faster, so it has an immediate effect. Sildenafil, the active ingredient, is a component that is absorbed from the intestines.

There is no increase in the effect due to overdose, so please follow the usage and dosage and use correctly.

Sildenafil, an active ingredient, is characterized by being less susceptible to dietary effects, unlike Viagra. Therefore, it can be taken with or without food. However, the standard calorie intake is less than 800 kcal. Be careful not to overeat, as eating heavy meals can be more effective.

Although it has been reported in clinical trials that it is not affected by alcohol, it is said that dizziness and orthostatic hypotension may occur in the case of excessive intake. In addition, the active ingredient Sildenafil has a vasodilatory effect, which makes it easier for alcohol to pass through the body. A small amount of alcohol also has a relaxing effect and is effective in treating ED, but be careful not to drink too much.

Side Effects of Penegra 100 mg

Like all medicines, “Penegra 100mg” may cause some side effects. Most are mild and temporary — they usually disappear as your body adjusts.

  • Headache.
  • Flushing or facial redness.
  • Dizziness.
  • Fatigue.
  • Indigestion\Nausea or vomiting.
  • Normal Body Pain.
  • Chest pain or irregular heartbeat.

If you notice any of the above symptoms, please consult your doctor before taking it.

Precautions of Penegra 100 mg

The following people should be careful about taking.

  • Do not take more than one dose in 24 hours.
  • Limit or avoid alcohol consumption.
  • It should not be used by people under 18 years of age.
  • Do not with other ED medicines. (Viagra ,Cialis, ect.) This can cause overdose and side effects.
  • Avoid driving or operating machines if you feel dizzy after taking it.
  • Not suitable for men with severe heart, liver, or kidney disease.
  • Avoid if you have low blood pressure or recent stroke/heart attack.
  • Stop use and seek medical help if severe side effects occur.

Please consult your doctor before taking.

How to Store Penegra 100 mg?

  • Store at room temperature (0°C–30°C).
  • Keep Away From Sunlight & Heat.
  • Keep in the Original Blister Pack.
  • Do not store in the bathroom where steam and humidity are high.
  • Keep Out of Reach of Children & Pets.
  • Expired tablet may lose effectiveness or cause side effects.
  • We recommend storing in a pill case.

Frequently Asked Questions

What is Penegra 100mg used for?

Penegra 100mg is used to treat erectile dysfunction (ED) in men by helping achieve and maintain a firm erection.

What is the active ingredient in Penegra 100mg?

The active ingredient is Sildenafil Citrate, the same as in Viagra.

Is Penegra 100mg as effective as Viagra?

Yes, as a generic medicine, it offers the same effectiveness as Viagra at a lower price.

How should I take Penegra 100mg?

Take 1 tablet about 30–60 minutes before sex. Only once in 24 hours. You can take it with or without food, but avoid heavy/fatty meals.

Does Penegra 100mg work immediately?

Not. It usually starts working in 15–30 minutes, sometimes up to an hour.

How Effect does Penegra 100mg last?

Effects can last 4–6 hours.

Can I drink alcohol with Penegra 100mg?

A little is okay, but too much alcohol can reduce the effect and cause dizziness.

Pack Size

120 Tablets, 40 Tablets, 80 Tablets

Brand

Zydus Lifesciences

About Zydus Lifesciences (Pharmaceutical company)


Zydus Lifesciences Limited, formerly known as Cadila Healthcare Limited, is an Indian multinational pharmaceutical company headquartered in Ahmedabad, which is primarily engaged in the manufacture of generic drugs. Zydus group is headquartered in Ahmedabad, India, and ranks 4th in the Indian pharmaceutical industry. The group has manufacturing sites and research facilities spread across five states of Gujarat, Maharashtra, Goa, Himachal Pradesh and Sikkim in India and in the US and Brazil. Zydus’ global business has a strong presence in the regulated markets of the US, Europe (France and Spain) and in the high profile markets of Latin America and South Africa. It is also present in a big way in 25 other emerging markets worldwide.
Company NameZydus Lifesciences Ltd.
locationAhmedabad, India
Year of establishment1952
RepresentativeSharvil P. Patel
Official Websitehttp://www.zyduscadila.com/

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