Wiktionary(0.00 / 0 votes)Rate these synonyms: 1  filter(noun) Synonyms: 2  filter(noun) To sort, sift, or isolate. 3  filter(noun) To diffuse; to cause to be less concentrated or focused. 4  filter(noun) To pass through a filter or to act as though passing through a filter. 5  filter(noun) To move slowly or gradually; to come or go a few at a time.
Macrobid (nitrofurantoin monohydrate/macrocrystals) Capsules. 1  To reduce the development of drug-resistant bacteria and maintain the effectiveness of Macrobid and other antibacterial drugs, Macrobid should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria.
Macrobid oral may also be used to treat: Bladder Infection caused by Enterobacter, Infection of the Urinary Tract caused by Enterococcus, Urinary Tract Infection caused by Klebsiella Bacteria, Urinary Tract Infection caused by Staphylococcus Aureus, Urinary Tract Infection Prevention.acrobid oral may also be used to treat: Bladder Infection caused by Enterobacter, Infection of the Urinary Tract caused by Enterococcus, Urinary Tract Infection caused by Klebsiella Bacteria, Urinary Tract Infection caused by Staphylococcus Aureus, Urinary Tract Infection Prevention.