A phosphodiesterase inhibitor called Fildena 25 increases blood flow to the penis by relaxing the blood vessel's vascular smooth muscle. Adhere to your doctor's advice regarding the dosage and duration of these medicines. Take it all in at once. Never shatter, eat, or crush it. You must take this tablet with food. If this medication is being used to treat pulmonary hypertension, adhere to the prescribed dosage. If using these medications to treat an erection problem, take them at least 30 to 60 minutes before engaging in sexual activity. Avoid consuming alcohol while taking Fildena 25 as it causes sleepiness. Keep it in an airtight jar at room temperature. Stay away from kids.