whether Viagra (sildenafil) becomes less effective over time

October 2001

There's a lot of talk these days about whether Viagra (sildenafil) becomes less effective over time.

The latest hubbub stems from a recent study getting lots of press.

There are many reasons why Viagra might stop working.

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Table of Contents

more aggressive guidelines for diabetes screening and management
withdrawal symptoms when patients stop antidepressants
Midrin and its generics are now Schedule IV controlled drugs
Vitamins & Minerals Vitamin B12 deficiency can often be treated with ORAL supplements
Vitamins & Minerals Vitamin B12 deficiency can often be treated with ORAL supplements
Pediatrics if it's okay to drink a little alcohol occasionally during pregnancy
Pediatrics amantadine for children with autism or other developmental disabilities
Men's Health whether Viagra (sildenafil) becomes less effective over time
Men's Health which BPH patients should get Proscar or an alpha-blocker
Supplements glutamine to reduce the severity of mucositis caused by chemotherapy
Supplements Our CME Booklets on natural medicines
Tuberculosis Remicade and Enbrel could lead to increases in tuberculosis (TB)
Tuberculosis hepatotoxicity when using rifampin WITH pyrazinamide for latent tuberculosis
Diabetes stronger warnings about Avandia and heart failure
Diabetes new rapid-acting insulin analog called Novolog (insulin aspart)
Infectious Diseases Spectracef (cefditoren pivoxil), a new third generation cephalosporin
industry-sponsored research and continuing medical education
concerns about bioterrorism