The maximum recommended amount of medication to take is one tablet a day. The usual recommended dose is 5 mg per day, taken at about the same time each day and regardless of when sexual activity is planned. The daily dose may be lowered by your doctor if necessary. The usual recommended dose is 5 mg once daily, at about the same time each day. It may be taken with or without food, tablets. Many things can affect the dose of a medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that Sildenafil Citrate are taking the medication without consulting your doctor. It is important that this medication be taken exactly as prescribed by your doctor. Do not take higher doses of this medication erection prescribed by your doctor.