Sildenafil citrate raw materials:Is it safe to use sildenafil citrate(viagra)?

Sildenafil citrate raw materials:Is it safe to use sildenafil citrate(viagra)?

What is Sildenafil citrate (Viagra)?
Viagra is the brand name for sildenafil citrate and is used for treating erectile dysfunction and pulmonary arterial hypertension.
Originally developed by scientists in the United Kingdom, it was brought onto the market by Pfizer Inc., an American pharmaceutical company.
Sildenafil citrate(Viagra) is also sold under brand name Revatio.
Sildenafil citrate's chemical formula is C22H30N6O4S.
Sildenafil citrate works by inhibiting an enzyme called cGMP-specific phosphodiesterase type 5 that delays degradation of cGMP, which controls blood flow in the penis. 

How to use sildenafil citrate raw powder?

1. Sildenafil Citrate an FDA-approved prescription therapeutic agent; hence, it should be utilized as directed by medical professional.
2. The recommended dosage of this ED drug is 50 or 100 mg once in 24 hours.
3. It is essential to consume prescribed dose orally, approximately 45 minutes before intending to indulge in sexual practice.
4. It is better to take the dose on empty stomach for satisfactory results.
5. Stay away from alcoholic beverages, grapefruits and fatty meals along with dosage, because these stuffs have the tendency to hamper drug efficacy.
6. It is mandatory to take the next dose 24 hours after the intake of previous dose.
7. The duration of effect of a single dose is for nearly six hours, so during this period, you can able to achieve erections on sexual stimulation and enjoy lovemaking.

Sildenafil citrate side effects and precautions

According to clinical trial results, the most common side effects include:

1. headaches
2. nasal congestion
3. impaired vision
4. photophobia (sensitivity to light)
5. dyspepsia (indigestion)

Less commonly, some users have experienced cyanopsia (everything appears to have a tinted blue tinge). 
In very rare cases, sildenafil citrate use can lead to nonarteritic anterior ischemic optic neuropathy (damage to the optic nerve).
Other potential side effects include:

1. priapism (very rare) - a painful, long-lasting erection
2. heart attack
3. sudden hearing loss
4. increased intraocular pressure

5. ventricular arrhythmias

Since 2007, sildenafil citrate's labeling in the United States has included a warning of the potential risk of sudden hearing loss.
Who are the sildenafil citrate best suited for?
Sildenafil citrate can decrease blood supply to the optic nerve, causing sudden vision loss. This very rare adverse event occurs mainly in people with heart disease, hypertension, diabetes, high cholesterol, or pre-existing eye problems. Nobody really knows whether the vision loss was caused by the sildenafil citrate(Viagra).
Every person is different and what drug suits one person may not suit another.
Tadalafil  is the only drug of the three that is approved for use by people with benign prostatic hyperplasia (BPH) or enlarged prostate. So people with both ED and BPH should consider tadalafil as their treatment option. Tadalafil also helps to improve urine flow.
Tadalafil can be taken on a daily basis to keep the body ready for sexual stimulation at any time. This allows for some sexual freedom that may be missing with the other options.
sildenafil citrate or Levitra may be better for people who don't engage in sexual activity at very regular intervals and would rather just take one pill each time they plan on having sex.
From the above sildenafil citrate and side effects and the analysis shows that sildenafil citrate used is different from person to person, we are taking sildenafil citrate before they need to be clarified, what are the side effects and taboos, of course, also want to combine their own body to make accurate judgment.
Especially which often taking sildenafil citrate raw materials of users, more need to be careful, because it contains high purity, efficacy is obvious, a larger sensory stimulation to the body, so when use should pay more attention to sildenafil citrate raw materials of side effects.