Zenegra Red 100 mg Tablet

In stock
Only %1 left
100% of 100
As low as $31.82
$31.8230 Tablet/s
$61.8160 Tablet/s
$92.7290 Tablet/s


verified icon
Medically Reviewed by
Dr. Akanksha Kaushal
akanksha-kaushal Dr. Akanksha, Pharm-D

Dr. Akansha is a licensed Clinical Pharmacologist with extensive expertise in pharmacovigilance, prescription analysis, drug information, and safety. She's a dedicated educator and avid learner. Dr. Akansha also reviews medical content on GoodRx Medicine, ensuring accurate pharmaceutical information is accessible to all.

verified icon
Written by
Julian Carter
julian-carter Julian Carter

Julian, an MBA in Pharmaceutical Management, brings a dynamic blend of expertise and impact with his contributions at Goodrxmedicine. His dedication and innovative spirit continue to shape a brighter future in pharmaceutical management.

What is Zenegra Red 100

Zenegra Red 100 mg tablet includes Sildenafil, a member of the group of medicines known as Phosphodiesterase type 5 (PDE 5) inhibitors. It is used to treat Erectile Dysfunction in men.

It maintains an erection by boosting the blood flow to the penile region, thus increasing intimate gratification. 

Zenegra Red 100 mg tablet is a prescription-only medication purchased from any pharmacy, online pharmacy, or medical supply retailer.

Uses of Zenegra Red 100

Sildenafil is a primary component of Zenegra Red 100 and is used to treat Erectile Dysfunction. 

Erectile Dysfunction (also known as Impotence) is a sexual disorder in which a man cannot maintain a hard erected penis, which is necessary for sexual intercourse.

Sildenafil can also be used to treat Pulmonary Arterial Hypertension ( PAH ). 

Sildenafil can also be used in combination with Dapoxetine to treat Premature Ejaculation along with Erectile Dysfunction 

How Zenegra Red 100 mg works 

Sildenafil is a primary component of Zenegra Red 100 mg, which belongs to a class of Phosphodiesterase Type 5 (PDE5) inhibitors. 

Sildenafil works by inhibiting the function of Phosphodiesterase type-5 (PDE5), a chemical found in the body. 

This inhibition widens (relaxes) blood vessels and increases blood flow to the penis during sexual stimulation. 

The PDE5 enzyme is restricted, prevents the penis from becoming flaccid, and helps sustain an erection.

Sexual excitement is essential for this medicine to work. 

Zenegra Red 100 mg Tablet

How to take Zenegra Red 100

Take your medication exactly as directed by your doctor. Before using this drug, consider some points:

  • Take Zenegra Red 100 tablet as prescribed by your doctor. Your physician will determine the dosage and duration of the treatment based on your condition
  • Swallow the whole medicine. Do not chew or grind the medication
  • Take it at least one hour before sexual activity
  • See your doctor if you have taken excess medication
  • Don't take more than one pill every day

Side effects of Zenegra Red 100

The following adverse effects might not occur if you adhere to your doctor's advice. These side effects are extremely uncommon and only affect a small percentage of people.

  • Hearing Impairment
  • Heartburn
  • Prolonged erection
  • Diarrhea
  • Skin reactions
  • Nasal congestion
  • Dizziness
  • Facial flushing
  • Headache
  • Pain in muscles
  • Nausea

These adverse effects are temporary and do not require medical attention. Consult your doctor immediately if they make you anxious.


Zenegra Red 100 can interact with specific medications and diseases. Always check for potential interactions with your doctor.

Drug Interaction

Tell your doctor if you are taking any of the following medications before taking Zenegra Red 100 mg:

  • Nitrates or amyl nitrites like Nitroglycerin
  • Riociguat 
  • Protease inhibitors like Lopinavir
  • Alpha-blockers like Silodosin
  • Antifungal medicines 
  • Other Erectile Dysfunction medicines

Disease Interaction

There are a few diseases that Sildenafil Citrate interacts with, including:

  • Renal Dysfunction 
  • Cardiovascular Disease
  • Priapism
  • Seizure Disorders
  • Retinitis Pigmentosa
  • Alcoholism
  • Liver Disorders

Food Interactions

Specific side effects may be more likely to occur when Sildenafil is used with any of the following:

  • Pomelo Juice
  • Tobacco
  • Grapefruit
  • Grapefruit Juice
  • Alcohol


Before using, determine the following precautions:

  • Change to a different ED medication if you've ever experienced an allergy or hypersensitivity to Zenegra red 100 mg 
  • It is not suggested for usage in children and women
  • If you take or have recently taken Riociguat (Adempas) or Nitrates (medications for chest pain), do not use Zenegra Red 100 containing Sildenafil
  • If the erection lasts more than four hours after sexual activity, seek medical attention
  • You should not use this medication if you have recently experienced a heart attack, stroke, or heart failure


Keep the medication out of direct sunlight in a cool, dry area. Also, keep it away from the reach of children. 

Frequently Asked Questions ( FAQs )

How long does Zenegra 100 last?

Zenegra Red 100 often has effects that persist for four hours. However, depending on the individual's age and state of health, this period may vary.

How long does Zenegra take to work?

Zenegra Red 100 mg tablet may take up to an hour to start working, so take this medication at least an hour before you plan to have sex. Depending on the severity of the sickness, this period may differ from person to person. While taking Zenegra, avoid eating heavy meals as this may cause the medication to take longer to start working.

Can I give Zenegra 100 mg to someone in need?

Keep your medication out of the reach of anyone around. It is not advisable to share the tablet without a prescription. Always advise them to visit a doctor.

Can the use of Zenegra 100 Red treats Premature Ejaculation?

No. Zenegra Red 100 mg tablet would only help achieve an erection (hard penis). It cannot be utilized to stop the early release of sperm because it does not affect sperm release (ejaculation). 

Can we consume Zenegra 100 Red to improve sexual performance?

There is no aphrodisiac (sex-stimulating agent) in Zenegra 100 Red. In healthy men, it neither stimulates nor enhances sexual desire or pleasure.

Is it possible to attain an erection without sexual stimulation? 

No, Zenegra Red 100 will help you to get an erection only if you are sexually excited. Sexual stimulation is vital for its functioning.

Write Your Own Review
You're reviewing:Zenegra Red 100 mg Tablet
Your Rating
Disclaimer:GoodRxmedicine is entirely unrelated to GoodRx in any way or form. We hereby deny any sponsorship, endorsement, or affiliation between GoodRx.com USA and Goodrxmedicine.com India. GoodRxmedicine is an Indian online Pharmacy only dealing in selling generic medicines in compliance with the law to its full extent of the Republic of India.
The content on this page is intended for informational purposes only and should not be construed as medical advice, treatment, or diagnoses under any circumstances. Goodrxmedicine.com - India is an online Indian pharmacy dealing in Generic pharmaceutical products within the permissible extent of the law. Before self-medicating, consult a doctor if you have any doubts or questions related to your health. For any queries or concerns, write to us at support@goodrxmedicine.com