Red Force

Erectile Dysfunction (ED) is defined as the inability of a man to get an erection adequate for satisfying sexual intercourse.

This condition is associated with depression, anxiety, and loss of self-esteem. Using Red Force for the ED can significantly improve quality of life.

It consists of a higher dose of sildenafil citrate than usually prescribed medications and is suitable for those who have developed a tolerance to the medication [1].

This article covers everything you need to know about Red Force, including how it works, the common dose, the price, who should not take it, and possible side effects.

What is Red Force?

Red Force is a medicine based on sildenafil citrate used to treat erectile dysfunction. It is manufactured by Sunrise Remedies Pvt. Ltd.

In combination with sexual stimulation, Red Force increases blood flow to the penis to help a man get and keep an erection.

The medicine is considered not only more dominant but also an improved version of Viagra, as it starts to work faster and its effect lasts longer.

Studies show the higher dose is effective among nonresponders to usual dosing, but it also increases the risk of side effects and has a higher discontinuation rate [2].

This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, and syphilis).

What’s the Dose of Red Force?

Red Force is available in a dose of 150 mg. You should not take more than one pill per day. If you take more than one, you might experience side effects like dizziness, headache, or painful erection, and you should consult your doctor immediately.

Food might interact with the medicine’s absorption. For adequate efficacy, take this medicine on an empty stomach or 2 hours after a meal.

How Long Does It Take for Red Force to Kick In?

The medicine is typically faster-acting than the lower-dose alternative. It takes approximately 30 minutes to work, but sometimes it takes longer. However, it is essential to note that you should not take more than one pill a day or increase the dose on your own. The amount can be increased only under the advice of your doctor.

How Long Does Red Force Last?

The medicine also lasts longer than the usual lower dose of sildenafil — around 6 to 8 hours, as opposed to 4 to 5 hours with Viagra.

Those taking this medicine have also reported improvements in their erection for up to 24 hours after taking the pill [3].

How Much Does Red Force Cost?

Red Force costs approximately $1 per pill. The price also depends on the country where you are buying.

The original sildenafil, made by Pfizer, costs around $70 per tablet.

The History of Red Force

Sildenafil for the treatment of ED was discovered by accident. Researchers at pharmaceutical giant Pfizer studied the drug for treating high blood pressure and angina. The results of the study were disappointing.

Throughout the study, participants reported increased penile erection after using the medication. These side effects, along with the initial failure of the drug, prompted Pfizer to shift the focus toward studying its treatment for erectile dysfunction.

The study’s results were promising, and they patented the drug in 1996. Two years later,in 1998, the FDA finally approved the drug, and Pfizer marketed it under the name Viagra. The patent expired in 2019, allowing other manufacturers to produce sildenafil citrate. Currently, sildenafil citrate is available in various trade names, with Red Force being one.

Who Should Take Red Force?

Doctors prescribe Red Force for erectile dysfunction (ED).

The medicine is for those with a tolerance due to prolonged use or those who don’t find the lower dose effective.

Only take this medicine for the recommended amount of time.

Even with Red Force, you must be sexually aroused to experience an erection. Red Force will not trigger an erection on its own. It is important to remember that Red Force is not a sexual stimulant.

Remember, there are other ways to improve your erection, such as eating a healthy diet, exercising regularly, and practicing foreplay before sexual activity.

Is Red Force Safe?

Red Force is generally a safe and well-tolerated medicine. However, the higher dose increases the risk of side effects, particularly for those with comorbidities.

Only take Red Force under the prescription from your doctor and follow their advice.

Some common side effects of the medicine are listed below. Inform your doctor if any of the symptoms are severe or persistent.

  • Changes in color vision (difficulty differentiating blue and green colors)
  • Diarrhea
  • Difficulty falling asleep or staying asleep
  • Flushing (feeling of warmth)
  • Headache
  • Heartburn
  • Muscle aches
  • Nosebleeds
  • Numbness, burning, or tingling in the arms, hands, feet, or legs
  • Sensitivity to light

Some side effects can be serious, so call your doctor immediately if you develop any of the following problems.

  • Blurred vision
  • Chest pain
  • Dizziness or lightheadedness
  • Erection that is painful or lasts longer than 4 hours
  • Fainting
  • Itching or burning during urination
  • Rash
  • Ringing in ears
  • Sudden decrease or loss of hearing
  • Sudden severe loss of vision
  • Worsening shortness of breath

Drug Interactions & Red Force

Red Force could interact with certain medicines, herbs, or supplements. Sometimes the interactions can lead to severe outcomes. Provide all information regarding anything else you’re taking to your doctor to avoid complications.

Below is a list of common medications that can interact with Red Force; however, this doesn’t contain all drugs that may cause an interaction.


You shouldn’t take Red Force if you’re taking nitrates, which are commonly used for chest pain. Taking nitrates along with Red Force can cause a serious decrease in your blood pressure.


Red Force and alpha-blockers are both vasodilators that can cause blood pressure to drop below healthy limits. Taking both drugs must be done carefully under the supervision of a trained medical professional.


Likewise, due to the effects of both medicines, blood pressure may drop too low, leading to dizziness and fainting.


The effects of mixing alcohol and Red Force include low blood pressure, dizziness, headaches, and increased heart rate. It might also affect Red Force’s efficacy.

CYP3A4 Inhibitors

Red Force is primarily metabolized in the liver by the CYP3A4 enzymes. Taking other drugs metabolized by this enzyme can affect the rate at which Red Force is metabolized. This can lead to elevated concentrations in the bloodstream and increase the risk of developing side effects.

Common CYP3A4 Inhibitors include:

  • Cimetidine
  • Isoniazid
  • Ketoconazole
  • Omeprazole
  • Sodium Valproate

CYP3A4 Inducers

Opposite to CYP3A4 inhibitors, some medications increase the activity of this enzyme — leading to faster metabolism of Red Force. This may reduce its effectiveness.

Common CYP3A4 Inducers include:

  • Carbamazepine
  • Griseofulvin
  • Phenobarbital
  • Phenytoin
  • Rifampin

Who Should Avoid Using Red Force?

If you have any of the following, avoid using Red Force altogether:

  • A history of non-arteritic anterior ischemic optic neuropathy (NAION)
  • A history of priapism
  • A history of sildenafil hypersensitivity
  • Problems related to blood, such as hemophilia, leukemia, and sickle-cell anemia.
  • Retinitis pigmentosa
  • Severe heart disease or heart valve failure
  • Severe kidney disease
  • Using any contraindicated medications listed in the previous section

How Does Red Force Work?

Erectile dysfunction is a condition in which a person cannot achieve an erection or maintain it. Erection occurs when smooth muscles in the penis relax, causing blood flow in the penis. Cyclic guanosine monophosphate (cGMP) is a chemical that relaxes the muscles in the penis and increases blood flow. With ED, this doesn’t happen properly, making it challenging to have or maintain an erection.

Red Force works by inhibiting an enzyme called phosphodiesterase 5 (PDE5), which is responsible for the metabolism and removal of cGMP from the blood. Inhibiting this enzyme increases the level of cGMP in the blood, causing the smooth muscle to relax and increasing blood flow to the penis [4].

Arousal is still needed to signal the penis to trigger the erection in the first place, so Red Force only works when sexual arousal is present.

What Happens If a Woman Takes Red Force?

Red Force is not approved for use in women. Sexual problems in women are primarily associated with sexual desire and arousal. As the medicine helps only with increasing blood to the genitals, it has nothing to do with improving sexual arousal.

Rather, sexual desire and arousal can be improved by lifestyle modifications like regular physical activity, managing stress, drinking plenty of fluids, and participating in foreplay.

However, PDE5 is also found in the vagina and the clitoris of women, but in lesser amounts. In theory, Red Force could increase blood flow to a woman’s genitals.

But the results of studies are not promising enough to suggest the use of Red Force in women. Considering the increased risk of side effects associated with the higher dose, it is not recommended for use in women.

Red Force Alternatives

There are other brands of sildenafil with a dose of 150 mg, such as Cenforce and P Force Fort.

Pharmaceutical Alternatives

  • Tadalafil (Cialis)
  • Avanafil (Stendra)
  • Vardenafil (Levitra, Staxyn, and Vivanza)
  • Mirodenafil (Mvix)
  • Udenafil (Zydena)

Natural Alternatives to Red Force

Sometimes, you need the specificity and potency of prescription ED medications, but some natural substances can provide similar results. Considering the side effects of prescription medications, it’s often best to try natural methods first.

Here are some of the most common natural options to consider:

  • Red Ginseng (Panax quinquefolium)
  • L-Arginine (an amino acid)
  • Yohimbe (Pausinystalia Yohimbe)
  • Muira puama (Ptychopetalum olacoides)
  • Catuaba (Trichilia catigua)
  • Shilajit (Asphaltum punja–bianum)

Where to Buy Red Force?

Red Force is a prescription-only medication, so you can get it only under the prescription of a certified doctor. Once you have the prescription, you can get this medicine from a pharmacy or online drug store.

You must tell the doctor about your medical condition and any medicines, herbs, or supplements you are taking. The doctor might also assess your general health and require tests if needed.

Natural alternatives and lifestyle changes can also help treat ED, giving you other options.

References Used

  1. Silvestro, S., & Allegretti, G. Viagra (sildenafil): uses, side effects, interactions, and more.
  2. McMahon, C. G. (2002). High-dose sildenafil citrate as a salvage therapy for severe erectile dysfunction. International Journal of Impotence Research, 14(6), 533-538.
  3. McCullough, A. R. (2002). Four-year review of sildenafil citrate. Reviews in urology, 4(Suppl 3), S26.
  4. Monte, G. L., Graziano, A., Piva, I., & Marci, R. (2014). Women taking the “blue pill”(sildenafil citrate): Such a big deal?. Drug Design, Development, and Therapy, 8, 2251.







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