About 550 men around the world were taking Viagra for over 1 year, and about 3700 men of different ages (19-87) were treated with it during its pre-marketing clinical trials.

When men took Viagra as recommended in flexible-dose, some of them reported changes in vision (predominantly color tinge to vision, and sensitivity to light); headache, dizziness, rash, urinary tract infection, dyspepsia, flushing and nasal congestion. Men who exceeded the recommended dose reported the identical side effects more frequently.

Fixed-dose studies showed that the most common side effects at 100 mg doses were abnormal vision and dyspepsia.

Post-Marketing Reports

Many of the patients preexisting cardiovascular risk factors reported the following side effects associated with taking Viagra: hypertension, myocardial infarction, pulmonary hemorrhage, etc. The most severe side effect reported was sudden cardiac death; however it wasn’t possible to conclude whether it was related directly to Viagra.

Among other serious side effects, that might be associated with Viagra, were sudden decrease or loss of hearing, anxiety, amnesia, long-lasting erection, decreased or loss of vision, bleeding, and seizure. Many, but no all, of men who reported these problems had diabetes, hypertension and other risk factors.

The main drawback of taking Viagra is having its effect on your face. Your girlfriend can easily guess that you have taken this pill because your face skin reddens, your face is slightly swollen, your nose is stuffed making your breath difficult, and your eyes are red. This destroys the privacy of your treatment because everything is clearly seen on your face. This is very important on your first date when you want to impress your woman. But if your partner is aware of the fact you are taking Viagra you do not have to worry about being red in the face.

Heart

The tense heart is a more severe drawback of taking Viagra. When during a sexual intercourse your rate increases to high rhythms you can feel your heart getting heavier and pounding, etc. This feeling is more powerful if you have drunk alcohol before this. You should be careful with your heart as this might have a sad ending.

Hair

Your hair can weaken and start falling out if you are having a long-term course of Viagra treatment.

Positive Effects

Your subconscious will save the memories of your successful sexual intercourse with Viagra, and as a result you will become more confident in yourself. The result of such psychological therapy can be amazing. It can even help you get a natural erection the next time without taking any pills.

There are several drugs such as Viagra which is very effective in curing conditions such as organic ED. Over 23 million men around the world have benefited from the drug’s use. However the drug is not free of side effects. Retinal vascular disease, intraocular pressure and other eye problems such as blurred sight and high sensitivity to light are the side effects accompanying the drug’s use. Viagra has been approved by the FDA for Erectile Dysfunction (ED). Levitra, manufactured by Bayer Pharmaceuticals and Cialis, manufactured by Eli Lilly are the other 2 drugs approved for the same purpose.

The aforesaid drugs can be used to treat ED. The drugs can be injected or taken as penile suppositories. These drugs work by improving the Nitrous Oxide (NO) efficiency. NO allows for engorgement and erection by dilating the blood vessels within the penis. Oral apomorphine or apomorphine injections are also used to treat this problem. There are also a number of herbal cures to treat the problem of erectile dysfunction. These herbs help in leading to an erection by improving the blood flow to the penis. The most effective herbs that can cure ED are Ginkgo Balboa and Ginseng. The Chinese have used these herbs from time immemorial to improve sexual performance and as general health tonics. Treatments involving surgical methods include penile implants that involve the use of vacuum pumps which can maintain an erection for half an hour. If you suspect a case of ED, it is advisable to visit your doctor immediately as it can also indicate a symptom of some other underlying disease.