The average efficacy period of Cenforce 150 is about four hours, depending on the body's requirements. However, the results vary from person to person. Fildena is a phosphodiesterase-5 inhibitor, which can increase blood flow to the penis. In addition, it also increases the nitric oxide levels in the blood vessels. This relaxes the blood vessels and opens up the lungs and the penis passages. Therefore, it can help men get multiple erections at the same time. Besides, the drug is also effective against pulmonary hypertension. Moreover, it has the same active ingredient as Viagra. But, it is essential to remember that pregnant women and individuals should not take Fildena with heart disease. Likewise, it is not recommended to take it by children. Fildena 200 should never be taken if you are allergic to its components. If you take the medication without the advice of a medical professional, you can experience severe side effects. Also, certain medications and diets are not recommended with Fildena. For example, grapefruit juice is known to interact with the drug. As a result, you should avoid the fruit. Taking too much of this drug can also cause side effects. In addition, if you overdose, you should seek immediate medical help.