Generic fluoxetine is available in capsule, tablet, and liquid form. Prozac Weekly (a long-acting version of fluoxetine) is still protected by a patent and is not yet available in a generic form. Generic fluoxetine products, which are manufactured by more than 10 different drug companies, currently come in a variety of strengths.
Fluoxetine was first manufactured by Eli Lilly and Company. However, it has since come off patent and is available as a generic. Prozac Weekly (a long-acting version) is still protected by a patent that will expire in 2017. This is the earliest date that generic Prozac Weekly could be available.
Sarafem®, a brand-name medication that contains the exact same medication as fluoxetine, is licensed to treat premenstrual dysphoric disorder (PMDD), but other forms of fluoxetine (such as Prozac) are not approved for this use. There is one version of generic Sarafem available at this time (fluoxetine 10 and 20 mg capsules made by Teva Pharmaceuticals), but other generic fluoxetine versions are technically not interchangeable with Sarafem.
Strengths of Generic Fluoxetine
Generic fluoxetine capsules, tablets, and liquid are available in the following strengths:
Fluoxetine 10 mg capsules and tablets
Fluoxetine 20 mg capsules and tablets
Fluoxetine 40 mg capsules and tablets
Fluoxetine oral solution -- containing 20 mg per 5 mL (20 mg per teaspoonful).
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