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Zonisamide

Zonisamide Dosage

Kristianne Hannemann, PharmDCydnee Ng, PharmD
Reviewed by Kristianne Hannemann, PharmD, Cydnee Ng, PharmD
Last reviewed on February 3, 2026

The average cost for 120 capsules of 100mg of Zonisamide is $24.29 with a free GoodRx coupon. This is 82.13% off the average retail price of $135.96.

capsuleCapsule

Dosage

Quantity

Price as low as

Price per unit

100mg

120 capsules

$24.29

$0.20

25mg

60 capsules

$11.95

$0.20

50mg

60 capsules

$9.00

$0.15

Typical dosage for Zonisamide

This medication is taken by mouth either once or twice a day.

The typical starting dose is 100 mg by mouth per day. It can be taken all at once or split into even doses taken twice a day.

Your prescriber might raise your dose every 2 weeks based on how well the medication is working and if you have bothersome or serious side effects. The typical dose ranges from 100 mg to 600 mg per day.

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Why trust our experts?

Kristianne Hannemann, PharmD, is a licensed pharmacist in California. She has been a retail pharmacy manager and staff pharmacist for over 7 years and has contributed drug information content to different health companies.
Cydnee Ng, PharmD
Reviewed by:
Cydnee Ng, PharmD
Cydnee Ng, PharmD, is a drug information pharmacist at GoodRx, where she lends her expertise to providing reader-friendly, accessible content about medications. She holds her pharmacist license in California.

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