desvenlafaxine (Pristiq)

Desvenlafaxine (Pristiq) is an antidepressant medication commonly used to treat major depressive disorder. As a serotonin-norepinephrine reuptake inhibitor (SNRI), it works by increasing levels of serotonin and norepinephrine in the brain.

You may experience some symptom improvement within the first 2 weeks of taking desvenlafaxine. For the medication take take full effect, it may take up to 8 weeks of regular use.

Desvenlafaxine (Pristiq) has not been shown to cause significant weight gain or loss with long-term use. You may experience changes in weight as a result of changes in your appetite, either as a side effect of the medication or an alleviation of your symptoms.

Side effects of desvenlafaxine, like other medications in its class, can include insomnia, anxiety, dizziness, sedation, and sexual dysfunction. If they occur, they often resolve within the first week of taking this medication, though can persist. Since this is not a complete list, and individual effects can vary, talk with your provider if you have questions about your medication.

No, desvenlafaxine is not a controlled substance—it is not habit-forming, and taking it long-term is not known to cause addiction. If you have other questions about desvenlafaxine, talk with your provider to learn more.

Desvenlafaxine can definitely help reduce the severity and frequency of anxiety-related symptoms. For some people, desvenlafaxine can be activating, which can lead to side effects of anxiety, but this usually resolves early in treatment. Talk to your provider if you're experiencing anxiety to determine the cause and best treatment for you.

Desvenlafaxine can make you tired, though this side effect usually resolves early in treatment. For some people, desvenlafaxine can cause insomnia, which can lead to fatigue as a result. If you experience any side effects from desvenlafaxine, talk to your provider.

You can meet with a licensed provider at Thriveworks, in person or online depending on your state. If it’s clinically appropriate, they may prescribe medication for a diagnosed mental health condition. Your provider will send your prescription to a local pharmacy to be filled.

Thriveworks accepts most major insurance plans for psychiatry and therapy services. Your insurance may also cover the cost of any medication your provider prescribes, which can be filled at a local pharmacy. Check with your plan to confirm your medical and prescription coverage.

Schedule a session with a licensed psychiatric provider at Thriveworks. After discussing your symptoms and treatment goals, your provider may recommend medication and/or additional services to help you get where you want to be.

Yes. Thriveworks is LegitScript-certified, meaning we’ve been reviewed and verified by one of the most trusted compliance organizations in healthcare. This certification confirms that our services meet high standards for legality, safety, and transparency.