As compared to unfranctioned heparin, low molecular weight heparins
Refer Katzung 10/e p 546 Unlike unfranctioned heparin, LMW heparins have more consistent SC bioavalilabilty and thus do not require monitoring Adverse effects of both type of heparins are similar Both are contraindicated in heparin induced thrombocytopenia
Are absorbed more uniformly when given subcutaneously
Require more frequent laboratory monitoring
Can be given to patients with heparin induced thrombocytopenia
Predispose to higher risk of osteopenia
Respiratory system