A pharmaceutical composition comprises a liquid carrier comprising water and at least 20% of ethanol and sildenafil citrate dissolved in said liquid carrier at a concentration of at least 7 mg/ml or a liquid carrier comprising water, ethanol, and 0.0075% to 20% acetone and sildenafil citrate dissolved in said liquid carrier at a concentration of at least 10 mg/ml. The pharmaceutical composition can be contained in one of an oral dosage form, a buccal dosage form or a treatment kit.