Fildena, it depends on how you're using it: 1. For On-Demand Use (When Needed): Fildena, which contains Sildenafil Citrate (similar to Viagra), is usually taken on an as-needed basis before sexual activity, typically 30 minutes to 1 hour beforehand. In this case, it doesn’t follow a regular dosing schedule, so if you miss a dose, you can simply take it when you plan to have sex. You should not take more than one dose per day. Missed dose: No problem. Just take it when you plan to engage in sexual activity, as long as you’re not exceeding the daily dose limit. 2. For Regular Use (If Prescribed): If your doctor prescribes Fildena to be taken regularly (e.g., once daily for ED), missing a dose means you should: Take it as soon as you remember: If it's still a reasonable amount of time before your next scheduled dose, take it right away. Skip the missed dose: If it’s almost time for your next dose, just skip the missed dose and take the next one at the usual time. Do not double up on doses to make up for a missed one, as this can increase the risk of side effects. Key Considerations: Frequency: For most people, Fildena is used as needed before sex, so you don’t have to worry much about missing a dose if you're not using it daily. Never take more than one dose per day: Taking multiple doses in a day can lead to an overdose of Sildenafil Citrate, which can be dangerous and lead to side effects like prolonged erections (priapism), dizziness, or severe headaches. If you're unsure how to manage your dosing or if you’ve missed several doses, it’s always a good idea to check in with your healthcare provider for specific advice.