Is 4 500mg pills of metronidazole enough to cure trich?

The typical course of treatment for Trichomonas is one 500mg pill taken twice a day for 7 days. partial treatment may result in resistance or reinfection. Treatment is easily available from most in person and telemedicine Dr's with little or no wait time. Self treating with leftover or someone else's meds typically does not cure the infection effectively.

4,500 mg is excessive. The recommended first line treatment is a single dose of 2 gm (2000 mg) for you and your partner(s), which may be repeated, if indicated. . The 7 day course of 500mg twice a day is "second line treatment".

In most cases yes