Fildena is a well-known medication used to treat erectile dysfunction (ED) in men. It contains Sildenafil Citrate, the same active ingredient in Viagra. Fildena helps men achieve and sustain an erection by boosting blood flow to the penis. How Does Fildena Work? Mechanism of Action Fildena 100mg operates by inhibiting the enzyme phosphodiesterase type 5 (PDE5). This inhibition results in the relaxation of blood vessels in the penis, allowing for increased blood flow during sexual arousal. Consequently, it supports the development and maintenance of an erection. Duration of Effect Fildena typically takes effect within 30 to 60 minutes of ingestion and its effects can last for 4 to 6 hours. This duration provides sufficient time for sexual activity without the need for strict timing. Usage and Dosage Recommended Dosage The usual starting dose for Fildena is 50 mg, taken about an hour before sexual activity. Depending on individual response and tolerance, the dose can be adjusted to 25 mg or increased to a maximum of 100 mg. How to Take Fildena Buy Fildena 120 should be taken orally with water. It can be consumed with or without food, but high-fat meals may delay its onset of action. It's best to avoid excessive alcohol consumption as it can reduce the effectiveness of the medication. Potential Side Effects Common Side Effects Some common side effects of Fildena include headaches, facial flushing, indigestion, and nasal congestion. These side effects are generally mild and temporary. Serious Side Effects In rare cases, Fildena 150 pills can cause serious side effects such as sudden vision loss, hearing loss, or an erection lasting longer than four hours (priapism). If any of these occur, seek medical attention immediately.