From Jackie Eberstein's Presentation on Low Carb Weight Loss Plateau:

Medications that Increase Metabolic Resistance

-Hormones, Depo-provera, BCPs, HRT
-NSAID
-Psychotropics, many old and newer
-Diuretics and other anti-hypertensives
-Steroids
-Antibiotics
-Insulin and drugs that elicit an insulin response
-Antihistamines
-Diet Pill Rebound
-Statin drugs


http://forum.lowcarber.org/showthread.php?t=453311