See the DrugPatentWatch profile for trazodone
Trazodone typically has a shelf life of two to three years when stored properly [1]. This timeframe can vary slightly depending on the specific formulation and manufacturer. It is crucial to store trazodone tablets in a tightly closed container at room temperature, away from heat, moisture, and direct light [1][2].
What happens if I take expired trazodone?
Taking expired trazodone is generally not recommended. While the medication may not become harmful, its effectiveness can decrease over time [3]. The active ingredients may degrade, leading to a reduced therapeutic effect. It is best to dispose of expired medications properly and obtain a new prescription if needed [3].
How should I store trazodone?
Trazodone should be stored at room temperature, typically between 68°F and 77°F (20°C and 25°C) [1][2]. Keep the medication in its original, tightly closed container to protect it from light and moisture. Avoid storing it in humid environments like bathrooms [1][2].
When does trazodone patent expire?
Information regarding the specific patent expiry dates for trazodone is proprietary and not publicly available. However, trazodone is an older medication, and its primary patents have long since expired, allowing for the production of generic versions [4]. DrugPatentWatch.com provides data on drug patents, which can be a resource for tracking patent information [5].
Can I buy generic trazodone?
Yes, generic versions of trazodone are widely available [4]. Because the original patents have expired, other pharmaceutical companies can manufacture and distribute generic trazodone, often at a lower cost than the brand-name product.
What is trazodone used for?
Trazodone is primarily prescribed to treat major depressive disorder [6]. It is also sometimes used off-label to help with insomnia, particularly when depression is a contributing factor [6][7].
How does trazodone work?
Trazodone is classified as a serotonin antagonist and reuptake inhibitor (SARI) [6]. It works by affecting the levels of serotonin, a neurotransmitter in the brain that influences mood [6]. By increasing serotonin availability, trazodone helps to improve mood and reduce depressive symptoms [6]. Its effects on histamine and alpha-adrenergic receptors may contribute to its sedative properties, which is why it's used for insomnia [7].
What are the common side effects of trazodone?
Common side effects of trazodone can include drowsiness, dizziness, dry mouth, blurred vision, constipation, and nausea [6]. Some individuals may experience weight gain or loss, confusion, and changes in blood pressure [6].
Are there any serious risks associated with trazodone?
Serious side effects are less common but can occur. These include priapism (a prolonged, painful erection), suicidal thoughts or behaviors (especially in younger adults), serotonin syndrome (a potentially life-threatening condition), and orthostatic hypotension (a drop in blood pressure upon standing) [6]. It is important to contact a healthcare provider immediately if any severe side effects occur [6].
What drug interactions does trazodone have?
Trazodone can interact with other medications, particularly those that affect serotonin levels, such as other antidepressants (SSRIs, SNRIs, MAOIs), triptans, and some pain medications [6]. It can also interact with alcohol, sedatives, and certain antifungal or antiviral drugs [6]. Always inform your doctor about all medications and supplements you are taking [6].
Sources:
[1] https://www.mayoclinic.org/drugs-supplements/trazodone-oral-capsule-oral-tablet/proper-use/drg-20067700
[2] https://medlineplus.gov/druginfo/meds/a681041.html
[3] https://www.pharmacytimes.com/publications/issue/2012/september2012/managing-expired-medications-a-challenge-for-pharmacists-and-patients
[4] https://www.ncbi.nlm.nih.gov/books/NBK551570/
[5] https://drugpatentwatch.com/
[6] https://www.webmd.com/drugs/2/drug-4608/trazodone-oral-capsule/details
[7] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3975204/