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The Effects of Little Blue Pill on Men’s Erection

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Little blue pill or Viagra is a medication to treat Erectile Dysfunction (ED) in males.

Impotence or Erectile Dysfunction is a condition in men when they cannot attain or sustain a firm erection to engage in sexual intercourse.

It happens due to insufficient blood flow to the penile area.

Viagra is the brand name for Sildenafil, which aids a man in obtaining and holding an erection by boosting the blood flow to the penis.

It is the first FDA-approved medicine to treat ED or impotence in males.

Let us dive into the article and learn more about blue pills and how it works for men.

What is the blue pill or Viagra?

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Pfizer first created Sildenafil for the treatment of Angina Pectoris and Hypertension.

During clinical trials on heart patients, researchers found that the medicine was more successful at generating erections than treating Angina.

Therefore, Viagra, in 1998, was approved by the Food and Drug Administration to treat Erectile Dysfunction.

However, in 2017 generic version of Viagra was introduced in the market by Pfizer.

The generic versions of Viagra contain the same salt Sildenafil and are cheaper than the brand-name medication.

Later in 2020, as the patent for Viagra ran out, other companies started manufacturing generic Sildenafil medicines worldwide.

The generic version medications such as Cenforce, Fildena, and Kamagra also contain Sildenafil as their active ingredient.

Sildenafil is a Phosphodiesterase Type 5 (PDE5) inhibitor, which can only be availed with a valid prescription.

This blue pill should be consumed 30 to 60 minutes before getting intimate.

How do blue pills affect men’s erections?

As mentioned, Sildenafil (Viagra) is a PDE5 inhibitor.

By blocking PDE5 action, cyclic Guanosine Monophosphate (cGMP) is prevented from breakdown.

When cGMP levels rise, smooth muscle relaxation and vasodilation occur in the penile area. This relaxation and dilatation cause an increase in blood circulation through the male genital organ. 

As a result, a man can achieve and hold an erection. 

However, this blue pill works when sexual stimulation occurs.

It is advisable to consume this blue pill 30 to 60 minutes before indulging in sexual intercourse.

Is Viagra effective in treating ED?

Viagra (Sildenafil) is quite effective in treating ED.

Men with ED have insufficient blood flow to the penis. 

This blue pill is effective as it boosts blood circulation to the penis.

This increased circulation to the penis allows a man to achieve an erection once he is sexually aroused.

Can Viagra induce any side effects?

As with any other medication, Viagra can also cause some common to rare side effects.

However, the side effects will fade once your body gets used to this medication.

These adverse effects include:

  • Headache
  • Dizziness
  • Flushing (warmth, redness, or tingly feeling)
  • Muscle or back pain
  • Runny or stuffy nose
  • Nausea
  • Sleep problems
  • Heartburn
  • Abnormal (blurred) vision
  • Ringing in your ears
  • Irregular heartbeat
  • Priapism (erection lasting longer than 4 hours)

In the event of a prolonged erection or allergic reaction, contact your medical professional immediately.

How should I take blue pills or Viagra?


Viagra or the blue pill should be consumed as your healthcare provider prescribes.

To avoid overdose, do not consume more than one tablet a day.

Remember not to chew or crush the pill.

As stated earlier, to get the best results, swallow the medicine whole at least 30 minutes before performing sexual activity.

After four hours, the effects of Sildenafil often start to lose their effectiveness.

Does the blue pill has any interactions?

Viagra or blue pills can cause some interactions with diseases, other drugs, and food.

Do not consume this medicine if you have cardiovascular diseases, Renal dysfunction, Retinitis Pigmentosa, or Priapism.

It is best to declare your medical history and the medicines you are currently taking to your healthcare provider.

Avoid consuming Pulmonary Arterial Hypertension medications, Nitrates drugs, medicines to treat HIV/AIDS, or other ED medications with Viagra. These medications can interact and cause some adverse effects.

Sildenafil interacts with alcohol and grapefruit juice. Therefore, avoid consuming them at the same time.

High-fat meals can reduce the effectiveness of Sildenafil (Viagra); hence, you should take a light meal before consuming this medicine.


As you now know what is the blue pill or Viagra, is a pretty effective medication to treat Erectile Dysfunction.

Viagra is also available in generic versions such as Suhagra, Cenforce 200 mg, Malegra, and Fildena Professional 100 mg.

These generic medications are cheaper than the brand name medication, yet equally effective. Viagra is a prescription medication that is available on several online pharmaceutical websites like Cheap Medicine Shop.

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Photo of author Janet Fudge
Janet Fudge is a highly skilled and experienced pharmacologist who serves as a contributing writer for With a strong academic background from a premier US University and a passion for helping others, Janet has become a trusted voice in the pharmaceutical world. After completing her Doctor of Pharmacy degree, Janet embarked on a successful career in the pharmaceutical industry, working with various clients, including hospitals, retail pharmacies, and drug manufacturers. Her in-depth knowledge of pharmacology and dedication to patient-centered care has led her to excel in her field. As a writer for, Janet uses her wealth of expertise to provide readers with accurate, reliable, and up-to-date information on various topics related to medicine and healthcare. Her engaging writing style and ability to break down complex topics into easily digestible content make her a valuable resource for healthcare professionals and the general public.
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