Best Erectile Dysfunction Medicine Without Side Effects

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Oral medications for ED, like sildenafil (Viagra), vardenafil (previously sold as Levitra and Staxyn), tadalafil (Cialis) and avanafil (Stendra), work by boosting the body’s production of nitric oxide.
These medications are safe and effective for men with ED. However, they may cause


Sildenafil Cenforce  is a medication in a class of drugs called phosphodiesterase 5 inhibitors. It's used to treat erectile dysfunction and pulmonary arterial hypertension (PAH).


When taken before sexual activity, sildenafil opens up narrowed blood vessels in the penis, increasing blood flow. It also improves blood flow to the lungs in people with PAH.

It starts working within 30-60 minutes and usually stays in your system for a few hours. You should take it at least an hour before sex for maximum effect.

You can take it with or without food, but a high-fat meal can decrease the drug's absorption and make it work more slowly. It's best to take it on an empty stomach.

Side effects are rare with sildenafil and usually go away on their own. They can include headache, flushing, and upset stomach. If these symptoms are severe or don't go away, call your doctor. Other side effects are temporary and may include vision changes.



Vardenafil is a medication that helps men with erectile dysfunction achieve a penile erection that can lead to sexual activity. It belongs to a class of medications called phosphodiesterase type 5 inhibitors, and it works by increasing blood flow to the penis when a man takes it during sexual stimulation.

Unlike sildenafil and tadalafil, which last for only a few hours, vardenafil has a half-life of four to six hours. This means that it is effective for longer periods of time.

A single dose of vardenafil causes a small decrease in blood pressure, similar to that seen with other antihypertensive medications. It also lowers the heart rate.

You should not use vardenafil if you have heart disease, high blood pressure, or eye problems. It can cause vision problems, especially if you have non-arteritic anterior ischemic optic neuropathy (NAION), or retinosa pigmentosa.

You should also not use vardenafil if your doctor has prescribed other drugs that can affect the way vardenafil works. Specifically, you should not take vardenafil with riociguat (Adempas) or other nitrates used to treat chest pain or heart problems.


Tadalafil is a prescription drug used to treat erectile dysfunction (ED) and prostate enlargement (BPH). It works by relaxing the muscles in your prostate and bladder. It can also help your body get and keep an erection during sexual activity.

Taking Vidalista 20 mg   VIdalista 60 can cause your blood pressure to drop. This can increase your risk for a heart attack or stroke. It can also cause dizziness and fainting. If you take it with alcohol, your blood pressure may drop even more.

Use tadalafil on a regular schedule and don't miss any doses. Never take more than the recommended dosage within a 24-hour period, or take it more than once a day.

Your doctor will tell you how much to take and when to take it. It is usually taken 30 minutes to an hour before sexual activity.

Before you start taking tadalafil, your doctor will do blood tests to make sure it is safe for you. If your liver or kidneys aren't working well, your doctor may change the dose, have you take it less often, or not prescribe tadalafil at all.


Avanafil (brand name Stendra) is an FDA-approved prescription medicine for the treatment of erectile dysfunction. It belongs to a class of medications called phosphodiesterase 5 inhibitors, which increase the levels and activity of nitric oxide in the blood vessels of the penis. This leads to increased blood flow to the penis and a longer-lasting erection.

PDE5 inhibitors work by preventing an enzyme called phosphodiesterase-5 from destroying the cGMP hormone that causes an erection. When cGMP is destroyed, blood vessels are reduced in size and the erection ends.

Avanafil is available in 100 mg and 200 mg doses, and should be taken as needed 15 to 30 minutes before sexual stimulation. It should not be taken more than once a day.