The recommended dose is 10 mg taken as needed approximately 25 to 60 minutes before sexual activity. Levitra can be taken with or without food. .. At a dose of 20 mg Levitra film-coated tablets, elderly (≥65 years old) patients had . I am 71 years old; started taking this 10 years ago; good full erection every time I take it - love that; use Reviewer: adsf, Male on Treatment for 1 to 6 months (Patient) Do I get a bit of a headache and a little stuffed up taking Levitra?. Vardenafil can help a man get and maintain an erection. During a penile Vardenafil is taken 25 to 60 minutes before sex. Vision problems are more likely to happen if the person smokes, or if they are aged over 50 years.