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Fosfomycin

Fosfomycin Dosage

Robert Chad Hakim, PharmD, BCCCPCydnee Ng, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Cydnee Ng, PharmD
Last reviewed on September 23, 2026

The average cost for 1 packet of 3g of Fosfomycin is $32.93 with a free GoodRx coupon. This is 37.68% off the average retail price of $52.84.

packetPacket

Dosage

Quantity

Price as low as

Price per unit

3g

1 packet

$32.93

$32.93

Typical dosage for Fosfomycin

The typical dose is 3 grams (1 sachet or packet) taken by mouth once. Mix the granules in the packet with about half a cup of water before taking it.

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