How common side effects are?

For men with the most common underlying medical conditions, only 1% of people report having side effects after taking Viagra. Though,Viagra can cause serious side effects for users if they are allergic to its active ingredient, sildenafil.Complications in rare cases, erectile dysfunction can cause complications, including:

• Bleeding from the penis
• Inability to ejaculate
• Pain
• Reduced sensitivity
• Reduced sexual desire
• Inability to have an orgasm

Viagra is considered a safe drug, but some side effects could occur.Side effects of Viagra is well-tolerated by healthy men.

List of side effects

While non-urgent advice should be considered before starting Viagra treatment, if you experience any of the following serious side effects, you should seek urgent medical assistance:

• Sudden vision loss in one or both eyes
• Sudden hearing decrease
• Chest pain
• Dizziness or nausea during sex
• Shortness of breath
• Sweating or exhaustion
• Severe chest pain
• Severe pain spreading to the arm or jaw or shoulder,
• Nausea
• Vomiting or a fever.
• Headache
• Upset stomach
• Flushing
• Back pain
• Runny nose

Is doctor revision is required before taking Viagra?

If you have any heart problems it is recommended to discuss with your doctor how Viagra may interact with your medications.Your doctor will check if Viagra is safe for you to take. If you have heart disease you should seek the advice of a doctor before taking Viagra, especially, if you have a history of stroke, heart attack, or myocardial infarction (heart attack, heart failure).

What history behind Viagra?

Erectile dysfunction medication is highly effective and will help you to obtain an erection in response to sexual stimulation, and it can be effective enough to begin sexual activity.

Viagra was first approved by the FDA in 1988 for the treatment of erectile dysfunctionand the medication became an instant favorite among men who struggled with impotence, how much viagra costs can be found here.The drug was originally developed by the pharmaceutical company Pfizer as a way to treat high blood pressure; angina; chest pain; back pain, and migraine.

Most common side effects:

Although dizziness and nausea occurred in 1% of patients during clinical trial, the incidence of dizziness and nausea was 1% for either of the placebo groups.

Erection side effects:

A physical examination can reveal problems with your penis, testicles, or genital area, and this test can help your doctor determine if you have a medical condition called Peyronie's disease.Rarely Viagra may cause priapism, a painful erection that will not go away.

The optimal dosage for elder men

Usually, the recommended dose of sildenafil is 50 mg, taken 30 minutes to 4 hours before sexual activity.For healthy adults, the recommended dose is 100mg taken twice daily 30 minutes to an hour before sexual activity. Viagra is not intended for use by children or adolescents under 18 years of age.Adults over 65 years of age are mostly prescribed25 mg intake per day,1 hour before sexual intercourse.

How does Viagra work?

Viagra is a PDE5 inhibitor, meaning it works by blocking the action of cGMP-specific phosphodiesterase type 5 on cyclic GMP in the smooth muscle cells in the penis.Sildenafil, the active ingredient in Viagra, works by dilating blood vessels and increasing the blood flow to the penis, helping to promote stronger longer-lasting erections.Viagra is a medication for erectile dysfunction while Revatio is used to treat pulmonary arterial hypertension.

Viagra and heart disease

Heart failure is a complex disease that involves too much fluid, poor oxygenation of the lungs, and a heart rate that is too slow for the body to get enough blood. Heart disease is also known as myocardial infarction, angina, and coronary artery disease. Heart failure happens when your heart muscle contract (called angina) and cannot circulate the right ventricle (the yellow heart muscle), causing inadequate pumping of blood through the ventricle. If Viagra is taken with certain other medications for cardiovascular problems doctor supervision is required.

Could Viagra cause hearing or vision loss?

Sildenafil can decrease the level of blood flow in the eye to thicken and dilate, this could cause a vision problem.While people with normal hearing may experience such symptoms, those users with chronic hearing loss may experience them more frequently.Sudden hearing loss is the most serious side effect of PDE5 inhibitors.

Contraindications:

when you must not take it.

YOU MUST NOT TAKE VIAGRA IF YOU are being treated for angina (chest pain) AND YOUR ARE TAKING medicines called NITRATES OR ANY NITRITE MEDICATIONS. Most common trade marks for glyceryl trinitrate patches (also called nitroglycerin) include Anginine, Lycinate Nitro-Dur, Transiderm-Nitro, Nitroderm TTS, and Minitran. Famous trade names for glyceryl trinitrate sprays most commonly include Nitrolingual and Glytrin.

Glyceryl trinitrate injections trade names include Glyceryl Trinitrate Concentrate and Glyceryl Trinitrate.

There is a list of other nitrate preparations that include Imdur Durules, Monodur Durules, Sorbidin, Isordil, Imtrate, Duride, Isomonit, Ikorel and Sodium Nitroprusside.

IT IS NOT ALLOWED TO take Viagra if you are taking guanylate cyclase stimulators (GCS), FOR EXAMPLE Adepmas (riociguat). GCS is a medicine THAT IS used FOR TREATMENT OF chronic thromboembolic pulmonary hypertension, CTEPH. IT IS A DISEASE THAT CAUSES high blood pressure in the blood vessels in the lungs BECAUSE OF blood clots in the lungs. IT IS ALSO USED AS A TREATMENT FOR pulmonary arterial hypertension or PAH. IT IS A DISEASE THAT narrows the vessels that carry blood from the heart to the lungs.

Do not take Viagra if you suffer from the following diseases:

• You have problems with heart or blood vessel that make sexual intercourse not recommended.
• You have suffered a heart attack or stroke in the recent 5-6 months or earlier
• You have serious problems with liver
• You have blood pressure that is suspiciously high / low or is treated without effect
• You have suffered from an eye disease called non-arteritic anterior ischaemic optic neuropathy (NAION) and as a result lost vision in one or both eyes
• You have a serious eye disease named retinitis pigmentosa.

Viagra contains sildenafil. Do not take Viagra if you have an allergy to this drug or similar medicines or any of the ingredients that are listed at the end of the leaflet.

What is an allergic reaction:

• Multiple hives, spots, itching or skin rash
• face, both lips or tongue swelling, which may cause difficulties in swallowing or even breathing.

Keep in mind that there may be some other trade names that are not listed here. TAKING THESE MEDICINES TOGETHER WITH VIAGRA MAY LEAD TO A SEVERE BLOOD PRESSURE DROP, WHICH MAY BE VERY DIFFICULT TO TREAT, MOREOVER SEXUAL ACTIVITY MAY PLACE A STRAIN ON YOUR HEART. YOU SHOULD DISCUSS WITH YOUR DOCTOR WHETHER YOU ARE FIT ENOUGH TO TAKE VIAGRA.

Never take Viagra with broken pack or if it shows signs of tampering. Even if the tablets seem to be alright do not take Viagra if you have any doubts about the pack.

Do not take Viagra that is expired.

In case you find the expired date or the pack is damaged, it is recommended you return it to your pharmacist for disposal.

List of Viagra side effects

Necessarily inform your doctor or pharmacist as soon as possible if you have any health problems while taking Viagra.

Viagra without doubt helps a lot of people. But on the other hand in a few people it can cause some serious side effects. Unfortunately there are no medicines that doest’t have side effects. However luckily if any side effects occur, most of the are likely to be minor and temporary. But some may be quite serious and may even need medical treatment.

But there is no need to be alarmed by this list of possible side effects.

A lot of people never experience them and neither you may get any of them.

You should tell your doctor or pharmacist if you find any of the listed below symptoms and they worry you:

• severe headache
• dizziness
• flushing in your face
• hot flushes
• indigestion or any stomach pain
• heart burn or pain
• running nose
• intense sinus congestion
• unusual nose swell
• mild diarrhoea
• rash
• dryness in mouth or throat
• dry nose
• unusual dry eye
• tightness in your throat
• feeling hot or irritable
• mouth or tongue redness

Urgently tell your doctor if you notice any of the following symptoms:

• arhythmic heart beat
• urinary infection (for example burning urine or more frequent than usually need to pass urine)
• even little blood in the urine
• permanent headache or fainting
• nose bleeding
• sharp pain or tingling in your hands, toes or feet
• eye irritation or feeling of having eyelash in it
• swollen or puffy eye
• exhaustion, pain in or around the eyes
• "red eye" because of swollen blood vessels in the white part of the eye and in the eyelids.

If you notice any other symptoms that worry you, check with your doctor.

Ask your doctor or pharmacist if you don't understand anything in this list.