Pulmonary arterial hypertension (PAH) is high blood pressure in the arteries coming to the lungs. It is a serious medical condition which affects body systems, heart, blood vessels.

The arteries which carry blood from the heart to the lungs get harder and narrower, in some cases they get blocked up to 50% and more. This makes a heart work harder, more intensively to pump the blood to the lungs. If the heart’s work continues to be intense during a long period of time it can lead to heart failure.

Symptoms of PAH include: excessive tiredness, irregular racing heartbeat, pain in the chest, shortness of breath during regular physical activities.

The condition usually worsens if remains untreated. This forces a person to have more rest even after very simple routine activities. PAH is linked to heart or lung disease, lung transplantation, some other factor can influence the development of this condition.

One of the treatments for PAH which is considered to be very effective and safe is called Revatio. It is a medicine that contains Sildenafil citrate.

Actually Sildenafil is an oral medication well-known under the brand Viagra. Still in the medicine Revatio, Sildenafil performs the other function – improves blood flow coming to the lungs.

Sildenafil is phosphodiesterase-5 (PDE5) inhibitor approved for the treatment of pulmonary arterial hypertension (PAH) having the main target in the therapy: to improve exercise ability and prevent the deterioration of the condition. Patients receiving the treatment with Sildenafil experience significant enhancement in their condition, improvement in the physical capacity and general body functions.

Revatio is proven to be effective in several trials. It was found to stop the enzyme PDE5 produced in the lungs and thus blocks the process of narrowing of the blood vessels coming to the heart.

Sildenafil relaxes muscles and widens the arteries. It reduces the load produced by pulmonary arterial pressure on the heart, increases the ability of a person to act.

Revatio is available as a round, white 20 mg tablets for oral intake intended to be used regularly. The prescription of a doctor is needed to identify the proper use and dose. Self-medication is not recommended as it may result in side effects.

Common side effects of Sildenafil in the dose of 20 mg are not in fact frequently met. As the dose is very small the medicine does not produce any side effects in most patients.

Sildenafil can cause: headaches, stomach problems, face flushing, nasal congestion. Infrequently Sildenafil can cause nausea, diarrhea, muscle pain.

The amount of Sildenafil in the medicine Viagra is 25, 50 or 100 mg. The doses 50 and 100 mg cause side effects more often than lower doses.

Overdose with this medicine can significantly decrease the blood pressure. Besides, the use of Sildenafil with some medicines which can reduce the blood pressure is not allowed.

Revatio can be used by adult male and female patients with diagnosed pulmonary arterial hypertension condition. Patients younger than 18 years of age can use Sildenafil only with a special recommendation from a caring doctor.

Older patients can demand dose adjustments due to decreased capacity of kidneys or liver or due to other health conditions.

Allergies to Sildenafil are very rare, so if you do not have allergies to other medicines, the allergy to Revatio is unlikely.

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