Macrobid Half Life. Nitrofurantoin causes hepatic injury (acute and chronic) through an immunological or metabolic mechanism. It has a very long half life, though i can't give you specifics.
Capsule are low, with peak levels usually less than 1 mcg/ml. Each capsule contains 100 mg of nitrofurantoin in the form of 25 mg of nitrofurantoin macrocrystals and 75 mg of nitrofurantoin monohydrate. Your doctor should be able to help you with your questions on this.
Urinary tract infection by Somayyeh Nasiripour,Pharm.D
Means half of it is excreted out in an hour. Common side effects include nausea, loss of appetite, diarrhea, and headaches. 20 to 44% of an oral dose is excreted unchanged in the urine within 24 hours. Idsa [gupta 2011]) and males for 7 days (based on expert opinion;
