Generic Famvir is used for treating herpes zoster infection (shingles). It is also used to treat recurring herpes skin infections in patients who also have HIV infection. Famvir is used in patients who have a weakened immune system to treat recurring cold sores and to treat or suppress recurring genital herpes.
Generic Singulair is used for prevention and long-term treatment of asthma. It is also used in certain patients to relieve runny nose caused by allergy and to prevent asthma attacks caused by exercise.