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.
An Introduction to Dosing With Macrobid. The recommended Macrobid dosage for treating urinary tract infections in people age 12 and older is 100 mg twice daily for seven days. This medication is not approved for children under 12 years of age.here is only one standard dose for Macrobid Â® (nitrofurantoin monohydrate/macrocrystalline), regardless of your age or weight. As is always the case, do not adjust this amount unless your healthcare provider specifically tells you to do so.