Sildigra 250 mg may interact with certain medications, particularly those containing nitrates (commonly prescribed for chest pain). Such interactions can principal to a dangerous drop in blood pressure. Inform your healthcare provider of all the medications you are taking to avoid potential complications. Consuming alcohol and grapefruit juice can increase the risk of experiencing side effects or reducing the effectiveness of Sildigra 250 mg. It's advisable to avoid or limit the consumption of these substances while using the medication.