What is Pristiq?
Pristiq is an antidepressant belonging to a group of drugs called selective serotonin and norepinephrine reuptake inhibitors (SNRIs). Desvenlafaxine affects chemicals in the brain that may be unbalanced in people with depression.
Pristiq is used to treat major depressive disorder.
Pristiq may also be used for purposes not listed in this medication guide.
How should I take Pristiq?
Take Pristiq exactly as prescribed by your doctor. Follow all directions on your prescription label and read all medication guides or instruction sheets.
Take Pristiq with water at the same time each day, with or without food.
Swallow the tablet whole and do not crush, chew, or break it.
Your blood pressure will need to be checked often.
Tell your doctor if you have any changes in sexual function, such as loss of interest in sex, trouble having an orgasm, or (in men) problems with erections or ejaculation. Some problems can be treated.
It may take several weeks before your symptoms improve. Keep using the medication as directed and tell your doctor if your symptoms do not improve.
Do not stop using Pristiq suddenly, or you could have unpleasant symptoms (such as dizziness, vomiting, agitation, sweating, confusion, numbness, tingling, or electric shock feelings). Ask your doctor how to safely stop using this medicine.
Some tablets are made with a shell that is not absorbed or melted in the body. Part of the tablet shell may appear in your stool. This is a normal side effect and will not make the medicine less effective.
Pris-tiq side effects
Get emergency medical help if you have signs of an allergic reaction to Pristiq: skin rash or hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Tell your doctor right away if you have new or sudden changes in mood or behavior, including new or worse depression or anxiety, panic attacks, trouble sleeping, or if you feel impulsive, irritable, agitated, hostile, aggressive, restless, more active or talkative, or have thoughts about suicide or hurting yourself.
Call your doctor at once if you have:
- a seizure;
- easy bruising or bleeding (nosebleeds, bleeding gums), blood in your urine or stools, coughing up blood;
- blurred vision, eye pain or swelling, or seeing halos around lights;
- cough, chest discomfort, trouble breathing; or
- low blood sodium – headache, confusion, problems with thinking or memory, weakness, feeling unsteady.
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