If you're getting sildenafil for PAH, go ahead and take missed dose when you remember it. Even so, if it is almost time for the following dose, skip the skipped dose and go on your typical dosing agenda. Do not take a double dose to help make up for a skipped a person.- ?ran Sa?l?k Bakanl??? denetiminde olan ?ran ?slam Cumhuriyeti ?laç ve G?da Kur