Desvenlafaxine
About Desvenlafaxine
Desvenlafaxine is an oral prescription medication used to treat depression, specifically major depressive disorder in adults. It belongs to a group of drugs called serotonin-norepinephrine reuptake inhibitors (SNRIs), which help balance certain natural chemicals in the brain. By restoring this balance, it helps improve mood, sleep, appetite, and energy levels.
Take Desvenlafaxine once daily, at the same time each day, to maintain a consistent level of the medicine in your body. You can take this tablet with or without food, but swallowing it whole is essential. Combining this treatment with regular physical activity, balanced meals, and proper sleep hygiene can significantly support your overall progress.
While taking Desvenlafaxine, you may experience mild side effects like nausea, dry mouth, or excessive sweating, which often improve over time. However, you must contact your doctor immediately if you experience severe symptoms such as high blood pressure, unusual bleeding, or sudden changes in vision.
Do not take this if you are allergic to any of its ingredients or if you are currently taking monoamine oxidase inhibitors (MAOIs). Before starting, talk to your doctor if you have a history of high blood pressure, heart problems, kidney disease, liver damage, or seizures.
Desvenlafaxine can interact with other medicines, especially blood thinners and other antidepressants, which can increase your risk of bleeding or a rare condition called serotonin syndrome. It is highly recommended to avoid alcohol while taking this medicine, as it can worsen drowsiness. If you are pregnant, breastfeeding, or an elderly patient, consult your healthcare provider to discuss the risks and benefits.
Uses of Desvenlafaxine
Medicinal Benefits
Desvenlafaxine helps manage depression by restoring the balance of chemical messengers in the brain. By improving mood and reducing depressive symptoms, it supports emotional wellbeing, daily functioning, and overall quality of life.
- Helps Improve Mood and Emotional Wellbeing: By balancing brain chemicals involved in mood regulation, Desvenlafaxine helps reduce symptoms of depression, such as persistent sadness, loss of interest, and emotional distress.
- Supports Better Energy and Sleep: As depressive symptoms improve, Desvenlafaxine may help restore energy levels and promote healthier sleep patterns, allowing you to feel more refreshed and alert during the day.
- Enhances Daily Functioning: By reducing the emotional and physical effects of depression, Desvenlafaxine helps you manage daily responsibilities, participate in social activities, and maintain a more stable and productive routine.
Directions for Use
- Desvenlafaxine can be taken with or without food as advised by your doctor.
- It is usually taken once a day or as directed by the doctor.
- Swallow Desvenlafaxine as a whole with a glass of water.
- Do not chew, crush, or break it.
Storage
Side Effects of Desvenlafaxine
Common Side Effects (Usually mild)
- Nausea or upset stomach
- Dry mouth
- Excessive sweating
- Dizziness or feeling unusually tired
- Difficulty sleeping (insomnia)
Serious Side Effects (Call a doctor right away)
- Signs of an allergic reaction, including skin rash, hives, itching, or swelling of the face, tongue, and throat
- Severe dizziness, racing heartbeat, or sudden, severe headaches
- Unusual bruising, nosebleeds, or blood in your stool
- Mental changes such as hallucinations, extreme agitation, confusion, or thoughts of self-harm
- Eye pain, swelling, redness, or sudden changes in vision
Medicines Containing this Salt
View AllDrug Warnings
- Always inspect your tablet packaging before use to ensure the blister strip or bottle seal is completely intact.
- You may occasionally notice the empty shell of the tablet in your stool; this is normal for extended-release tablets and does not mean the medicine did not work.
- Avoid driving, riding a bicycle, or operating machinery until you know how Desvenlafaxine affects you, as it may cause initial dizziness or drowsiness.
- Do not stop taking Desvenlafaxine abruptly. If you need to discontinue the medicine, your doctor will provide instructions on gradually decreasing your dose to prevent withdrawal symptoms.
- Inform laboratory technicians and doctors that you take Desvenlafaxine before any urine screenings, as it can sometimes cause false-positive results on certain drug tests.
Drug Interactions
- Monoamine Oxidase Inhibitors (MAOIs): Do not take Desvenlafaxine if you are taking an MAOI or have stopped taking one within the last 14 days. This combination can cause high blood pressure, tremors, and severe mental changes.
- Serotonergic Medicines: Taking this drug with other antidepressants, triptans or tramadol can increase the risk of a rare, serious condition called serotonin syndrome.
- Blood Thinners and NSAIDs: Combining this medicine with aspirin, warfarin, ibuprofen, or other nonsteroidal anti-inflammatory drugs can increase your risk of bruising and bleeding.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
unsafeAvoid consumption of alcohol while taking Desvenlafaxine as it may cause increased sleepiness and dizziness.
Pregnancy
cautionDesvenlafaxine belongs to pregnancy category C. Please consult your doctor if you are pregnant or planning a pregnancy; your doctor will prescribe only if the benefits outweigh the risks.
Breast Feeding
cautionDesvenlafaxine may pass into breastmilk. Consult your doctor before taking Desvenlafaxine your doctor will decide whether Desvenlafaxine can be taken by breastfeeding mothers or not.
Driving
unsafeDesvenlafaxine causes sleepiness and dizziness. Do not drive or operate machinery.
Liver
cautionDose adjustment may be needed in patients with liver impairment. Please consult your doctor if you have a liver impairment or any concerns regarding this.
Kidney
cautionDose adjustment may be needed in patients with kidney impairment. Please consult your doctor if you have kidney impairment or any concerns regarding this.
Children
unsafeDesvenlafaxine should not be given to children as safety and effectiveness have not been established.
Habit Forming
Diet & Lifestyle Advise
- Avoid drinking alcohol while taking this medicine, as it can worsen drowsiness, impair coordination, and decrease the effectiveness of your treatment.
- Stay well-hydrated throughout the day, especially if you experience dry mouth or increased sweating as side effects.
- Maintain a consistent daily routine that includes gentle physical exercise, such as walking, and a regular sleep schedule to complement the therapeutic effects of Desvenlafaxine.
- Monitor your blood pressure regularly at home, as this class of medication can occasionally cause mild increases in blood pressure.
Special Advise
- Do not stop taking Desvenlafaxine suddenly, as it might cause withdrawal symptoms.
- Consult your doctor immediately if you have suicidal thoughts, such as killing or harming yourself or experience any unusual bleeding or bruising.
Patients Concern
Disease/Condition Glossary
Major depressive disorder: Major depressive disorder, also known as clinical depression, is a mental health disorder characterised by a persistent and intense feeling of sadness for an extended duration of time. It mainly impacts mood, behaviour, and other physical functions, such as sleep and appetite. Symptoms include sadness, loss of interest, appetite changes, sleep problems, restlessness, lack of energy, feeling worthless or guilty, thoughts of harming oneself, difficulty concentrating, making decisions, and thinking. The exact cause of depression is unknown. However, factors such as stress, changes in hormone levels, alcohol or drug abuse, abuse during childhood, certain medical conditions and medications might increase the risk of developing depression.
FAQs
Desvenlafaxine is used to treat a major depressive disorder (depression).
Desvenlafaxine works by increasing the levels of certain chemical messengers (serotonin and norepinephrine) in the brain, which help maintain mental balance and regulate mood, thereby treating depression.
Do not discontinue Desvenlafaxine without consulting your doctor, as it could lead to withdrawal symptoms. To treat your condition effectively, continue taking Desvenlafaxine for as long as prescribed. Do not hesitate to consult your doctor if you experience any difficulties while taking Desvenlafaxine.
Hypertension should be controlled before starting treatment with Desvenlafaxine. Therefore, consult your doctor if you have high blood pressure. Regular monitoring of blood pressure levels is advised while taking Desvenlafaxine.
Desvenlafaxine may increase the chances of bleeding and bruising. The risk increases when Desvenlafaxine is taken along with painkillers and blood thinners. Consult your doctor if you notice unusual bleeding or bruising.
When taken along with other medicines, Desvenlafaxine may cause a rare but potentially life-threatening condition called serotonin syndrome. This condition causes changes in how the brain, blood vessels, muscles and digestive system work. Avoid taking Desvenlafaxine along with MAOIs (used to treat depression), linezolid, intravenous methylene blue and other serotonergic agents.
Desvenlafaxine may dilate your pupils (widen the dark centres of your eyes). This can trigger a glaucoma attack. Before taking Desvenlafaxine, consult your doctor if you have glaucoma.
Desvenlafaxine may cause seizures. If you have ever had a seizure, tell your doctor before taking Desvenlafaxine.
Yes. Desvenlafaxine may cause sexual side effects such as reduced sex drive (libido), difficulty achieving orgasm, delayed ejaculation, or erectile dysfunction in some people. Do not stop taking the medicine on your own if you experience these effects. Talk to your doctor, who may recommend ways to manage these symptoms while continuing treatment for your depression.
Take Desvenlafaxine exactly as prescribed by your healthcare practitioner. Take Desvenlafaxine once a day, about the same time every day. Desvenlafaxine can be taken with or without food. Swallow the medicine as a whole with water.
It should be swallowed whole with fluid and not divided, crushed, chewed, or dissolved.
Desvenlafaxine typically does not cause weight gain for most people. In very rare cases, people taking it experience weight changes (gain or loss) of less than 2 kgs.
Common side effects of Desvenlafaxine may include nausea, dizziness, insomnia (sleep problems), constipation, sleepiness, loss of appetite, anxiety and male sexual dysfunction disorders.
Clinical studies indicate that weight changes with Desvenlafaxine are typically minimal; some patients may experience a slight loss of appetite and weight, while others may notice minor weight gain. Talk to your doctor or pharmacist if you have concerns about weight changes.
Taking this class of medicine during the third trimester may cause temporary breathing or feeding difficulties in newborns. However, untreated depression also carries health risks, so talk to your doctor to weigh the benefits and risks.
It is highly recommended to avoid alcohol while taking this medicine. Alcohol can increase drowsiness, reduce the effectiveness of the drug, and worsen depression symptoms. Talk to your doctor if you have questions about alcohol use.
Take the missed dose as soon as you remember. If it is close to your next scheduled dose, skip it and continue with your normal daily routine. Do not double the dose. Talk to your doctor or pharmacist if you frequently miss doses.
Yes, Desvenlafaxine can raise blood pressure in some patients, so your doctor will likely monitor your blood pressure regularly while you are taking it. Talk to your doctor if you notice consistently high readings.
Certain pain relievers like ibuprofen, naproxen, or aspirin can increase your risk of bleeding when taken with this medicine. Acetaminophen is usually a safer alternative, but you should talk to your doctor or pharmacist before taking any new over-the-counter product.










