Desvenlafaxine Succinate Er
Desvenlafaxine Succinate ER 30 Tablets Extended Release 24 Hour
What is Desvenlafaxine Succinate Er?
Desvenlafaxine Succinate Extended-Release (Pristiq) is a prescription antidepressant used to treat major depressive disorder (MDD) in adults. As a serotonin and norepinephrine reuptake inhibitor (SNRI), it helps restore the balance of important brain chemicals that regulate mood, helping reduce symptoms of depression over time.
Side Effects
- Loss in sexual ability, desire, drive, or performance, delayed or inability to have an orgasm, inability to have or keep an erection
- Unusual bleeding or bruising
- Lightheadedness, fainting, fast or pounding heartbeat
Warnings
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
- Thoughts of hurting yourself or others, unusual behavior
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, bleeding problems, glaucoma, heart or blood vessel disease, high blood pressure, high cholesterol, or a history of mania, seizures, or stroke.
Prescription savings · · · ·
What is Desvenlafaxine Succinate Er ?
Desvenlafaxine Succinate Extended-Release (Pristiq) is a prescription antidepressant used to treat major depressive disorder (MDD) in adults. As a serotonin and norepinephrine reuptake inhibitor (SNRI), it helps restore the balance of important brain chemicals that regulate mood, helping reduce symptoms of depression over time.
- Loss in sexual ability, desire, drive, or performance, delayed or inability to have an orgasm, inability to have or keep an erection
- Unusual bleeding or bruising
- Lightheadedness, fainting, fast or pounding heartbeat
- Feeling more excited or energetic than usual, trouble sleeping
- Numbness, tingling, or burning pain in your hands, arms, legs, or feet
- Eye pain, vision changes, seeing halos around lights
- Confusion, tiredness, weakness, muscle twitching, headache, dizziness, ringing in the ears, trouble concentrating, unsteadiness
- Chest pain, cough, trouble breathing
- Blistering, peeling, red skin rash
- Anxiety, restlessness, fever, sweating, muscle spasms, nausea, vomiting, diarrhea, seeing or hearing things that are not there
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Seizures
- Thoughts of hurting yourself or others, unusual mood or behavior, unusual dreams
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
- Thoughts of hurting yourself or others, unusual behavior
- Tell any doctor or dentist who treats you that you are using this medicine. This medicine may affect certain medical test results.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
- Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease, liver disease, bleeding problems, glaucoma, heart or blood vessel disease, high blood pressure, high cholesterol, or a history of mania, seizures, or stroke.
- For some children, teenagers, and young adults, this medicine may increase mental or emotional problems. This may lead to thoughts of suicide and violence. Talk with your doctor right away if you have any thoughts or behavior changes that concern you. Tell your doctor if you or anyone in your family has a history of bipolar disorder or suicide attempts.
- This medicine may cause the following problems: Serotonin syndrome (may be life-threatening when used with certain other medicines)High blood pressureIncreased risk of bleeding problemsGlaucomaSeizuresLung problems, including interstitial lung disease and eosinophilic pneumoniaSexual problems
- This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely. This will help decrease the risk of unwanted effects.
- Unusual bleeding or bruising
Desvenlafaxine Succinate Er Coupons & Prices
Desvenlafaxine Succinate ER 30 Tablets Extended Release 24 Hour
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Looking for a desvenlafaxine succinate ER coupon? Desvenlafaxine (the extended-release generic of Pristiq) is an SNRI antidepressant approved for major depressive disorder in adults. As a generic it is already lower-cost than the brand, but the cash price can still vary widely from one pharmacy to the next, so it pays to compare. Rx.com checks prices across more than 60,000 U.S. pharmacies so you can find a low price near you. Enter your ZIP above to see today's price and print or text yourself a free discount coupon.
What is desvenlafaxine succinate ER and how does it work?
Desvenlafaxine succinate is a serotonin-norepinephrine reuptake inhibitor (SNRI) antidepressant. It works by increasing the levels of two natural chemical messengers in the brain, serotonin and norepinephrine, which help regulate mood. Desvenlafaxine is the active metabolite of venlafaxine (Effexor). It comes as an extended-release tablet taken once a day, which releases the medicine slowly over time.
Desvenlafaxine is FDA-approved to treat major depressive disorder (MDD) in adults. It is not approved for use in children. Your provider decides whether it is right for you; this page is general information, not medical advice.
Cost of desvenlafaxine without insurance and how to save
Because desvenlafaxine succinate ER is available as an FDA-approved generic, it usually costs far less than the brand-name versions. Even so, the cash price is not the same everywhere, the amount you pay at one pharmacy can be very different from the pharmacy across the street. That is exactly why comparing matters. Rx.com compares the cash price across more than 60,000 pharmacies and gives you a free discount coupon you can use whether or not you have insurance.
Enter your ZIP above to see today's price near you. The brand Pristiq is made by Pfizer, which offers a savings program on its official manufacturer website; those offers apply only to the brand and terms vary, so check the manufacturer directly. For most people, the generic with an Rx.com coupon is the simplest way to keep costs down.
Desvenlafaxine alternatives and how it compares
Desvenlafaxine is one of several antidepressants a provider may consider. The brand-name equivalents of this exact medicine are Pristiq and Khedezla. Other related medicines your provider might discuss include:
- Venlafaxine and Effexor XR — the SNRI that desvenlafaxine is derived from
- Duloxetine (Cymbalta) — another SNRI
- Sertraline (Zoloft) and Escitalopram (Lexapro) — SSRIs, a related class
Which medicine is best depends on your health history, other medicines, and how you respond. Never switch antidepressants on your own; talk with your provider first.
Safety information and warnings
Desvenlafaxine carries an FDA boxed warning: antidepressants can increase the risk of suicidal thoughts and behavior in children, adolescents, and young adults under 25, especially early in treatment or after a dose change. Anyone starting it should be watched closely for worsening mood or unusual changes in behavior. It is not approved for children.
Other important precautions include: the risk of serotonin syndrome (especially when combined with other serotonergic drugs; MAOIs are contraindicated within 14 days), increases in blood pressure and heart rate (your provider may monitor your blood pressure), a higher bleeding risk when taken with NSAIDs, aspirin, or blood thinners, angle-closure glaucoma, low sodium (hyponatremia/SIADH), possible activation of mania, and sexual side effects. Do not stop taking desvenlafaxine suddenly, stopping abruptly can cause discontinuation symptoms such as dizziness, nausea, headache, irritability, and electric-shock sensations. Your provider will taper the dose. This is a summary, not a complete list; read the label and ask your pharmacist or provider with any questions.
This Desvenlafaxine Succinate Er information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Desvenlafaxine Succinate Er on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.