Levitra (vardenafil) and Cialis (tadalafil) are both effective medications for erectile dysfunction (ED), belonging to the same class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Take this medication by mouth with water. Take it as directed on the prescription label. The dose is usually taken 1 hour before sexual activity. You should not take this dose more than once per day. You can take it with or without food. If it upsets your stomach, take it with food. Levitra package insert / prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions and pharmacology. Levitra (Vardenafil HCl) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. What is Levitra? Levitra is a prescription medicine taken by mouth for the treatment of erectile dysfunction (ED) in men. ED is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection. Levitra, full prescription information. LEVITRA® is an oral therapy for the treatment of erectile dysfunction. Find here indication and usage, precautions, adverse reactions and more. Find patient medical information for Vardenafil (Levitra, Staxyn) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Levitra relaxes muscles and increases blood flow to particular areas of the body and is used to treat erectile dysfunction. Learn about side effects, interactions and indications. You may already know most of the names: Cialis, Levitra, Staxyn, Stendra, Viagra. Learn more about these medications that can help men with erectile dysfunction get and keep an erection. Medscape - Erectile dysfunction-specific dosing for Levitra (DSC), Staxyn ODT (DSC) (vardenafil), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy &.