Pristiq (Desvenlafaxine)

Pristiq, a brand-name version of Desvenlafaxine, is available by prescription in tablet form in different strengths. Pristiq is a medication used to treat depression. It is recommended that the need for further treatment be occasionally reassessed. You can save on brand name and generic Pristiq by filling prescriptions online at our Online Pharmacy.

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Pristiq (Desvenlafaxine) 50mg

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Product of Canada
Manufactured by Pfizer Inc
As low as $169.90
Product of Canada
Manufactured by APOTEX INC
As low as $136.51
Product of India
Manufactured by Sun Pharmaceuticals
As low as $21.49

Pristiq (Desvenlafaxine) 100mg

Check Prices
Product of Canada
Manufactured by Pfizer Inc
As low as $196.34
Product of Canada
Manufactured by APOTEX INC
As low as $136.51
Product of India
Manufactured by Sun Pharmaceuticals
As low as $31.19


Why is Pristiq (Desvenlafaxine) prescribed?

Pristiq is one of the brands for Desvenlafaxine. It is a suicidality and antidepressant drug used to treat the major depressive disorder. It is an extended-release tablet form for oral administration.

How does it work?

Pristiq belongs to a group of serotonin and norepinephrine reuptake inhibitor (SNRI). It works by regulating the chemicals in the brain thus decreasing the symptoms of depression and anxiety. Once the regulation starts person taking the medicine feels relaxed, happy and develops the ability to focus and sleep. It also increases attention and reduces restlessness in hyperactive people and helps stabilize mood. Pristiq is known to be more effective than other antidepressants predecessors.

How to use Pristiq?

This medicine should be taken as directed by the doctor. Do not exceed or reduce the dose and duration without consulting your doctor. The dosage is based on the age, response to the treatment as well as the medical condition.
Pristiq can be administered with or without food once a day. Do not chew, crush or dissolve the medicine in water. Always make sure to drink plenty of water while you are taking this medication.

What if I miss the dose of Pristiq?

If you miss the dose try to take it as soon as possible. Do not double dose ever even if you missed one dose. Sometimes conditions may become worse if the medication is started, stopped or changed abruptly without medical guidance. Always consult your doctor if you make any change in your dose knowingly or unknowingly.

What are the possible side effects of this drug?

Some common side effects of Pristiq are:

  • Nausea, dizziness, drowsiness
  • Depression, irritability, and mood swings
  • Insomnia
  • Indigestion and constipation
  • Loss of appetite
  • Excessive sweating
  • Chills
  • Blurred vision

Some rare side effects of Pristiq are:

  • Decreased sexual desire
  • Difficulty urinating
  • Severe headache
  • High blood pressure
  • Suicidal thoughts and behavior
  • Seizure
  • Hypersensitivity

What are the possible drug interactions of Pristiq?

Drug interaction with Pristiq may cause serious side effects if consumed with other medications. Monoamine Oxidase Inhibitors (MAOI) which is intended to treat psychiatric disorders should not be used with desvenlafaxine. It is important to tell your doctor about what medications/supplements (including prescription/nonprescription/herbal/Over-the-counter) you have been taking before starting on Pristiqmedication.


  • Always tell the doctor about any allergies you have or any planned surgery.
  • It may lead to high blood pressure. Always keep a check on it. Inform your physician if results are consistently high.
  • Avoid consuming alcohol while on desvenlafaxine medication as it can make you drowsier.
  • If you are nursing, pregnant or may become pregnant consult your healthcare professional.

Is there a Generic Pristiq available?

Yes, the Generic equivalent to Pristiqis Desvenlafaxine.

Can I buy Pristiq without prescription?

No, a valid prescription is required for this medication.

Safety and storage?

Always keep it away from heat and moisture at room temperature. Keep it tightly closed and out of reach of children and pets.

Coupon For Pristiq (Desvenlafaxine)

If you are looking for Desvenlafaxine coupons 2021, we can help you in saving on Pristiq medicine. Use the prescription discount coupon on checkout to get the best price for prescriptions.


HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.

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Author: Dr. Shruthi Shridhar, MD Physician

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Dr. Shruthi Shridhar is an MD Physician and a Clinical Nutritionist with over 9 years of clinical experience. She is an accomplished medical writer and has worked with a variety of specialist physicians like an MD physician, a gynaecologist, a paediatrician, and an orthopaedic and has gained optimal clinical knowledge.

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