If Suhagra 100 mg contains sildenafil, food mainly affects how quickly it starts working, rather than whether it works at all. High-fat meals: A heavy or fatty meal can delay sildenafil absorption, so the effect may start later than expected. Light meal: Taking it after a lighter meal generally causes less delay. Empty stomach: Sildenafil may reach effective blood levels more quickly when taken without a meal. Alcohol: Alcohol can worsen dizziness and lower blood pressure, so combining substantial amounts of alcohol with sildenafil is best avoided. Dose: Do not take extra sildenafil because the effect seems delayed after eating; sildenafil should not be taken more than once in 24 hours. Suhagra 100 mg should be used according to a healthcare professional's directions, particularly because 100 mg is the maximum recommended sildenafil dose for ED.