HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

I am switching from cymbalta to pristiq. i started on 25 mg pristiq and will go to 50 mg. pristiq. how long after i start 50 mg will i feel better?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Pristiq: 50 mg if often an effective dose for Pristiq. Although there may be some early improvements before this, usually at least several weeks for full effect. Take care.

Answered 10/28/2018

256 views

Thank

Related Questions

A member asked:

I was on cymbalta, recently changed to pristiq (desvenlafaxine). Since the change I have noticed an increase in joint pain. What is your thought.

13 doctors weighed in across 3 answers

A member asked:

I quit taking cymbalta for polyarthralgia due to severe side effects. It did work can I take pristiq (desvenlafaxine) as alternate?

2 doctors weighed in across 2 answers

A member asked:

Ive been on escitalopram for yrs. My dr. Advise to change it from cymbalta now to pristiq (desvenlafaxine) i have a very low tolerance on sideeffects any advise?

4 doctors weighed in across 2 answers

A member asked:

Doctor has changed medication from Pristiq (desvenlafaxine) to Cymbalta , what is the main difference please and am now more likely to gain weight please. Thank you ?

2 doctors weighed in across 2 answers

A member asked:

Was allergic to Effexor XR but helped the most! today tried pristiq (desvenlafaxine) and itching! next i'm trying cymbalta but don't want weight gain! :((((?

3 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Was taking 100mg Pristiq (desvenlafaxine) a week ago and doctor switched to 30mg cymbalta. I,want to go alone , can I just stop completely please ?
Took cymbalta for four years, was weaned because it didnt work anymoreon pristiq for six weeks. I dont feel much different. Why?
Given pristiq (desvenlafaxine) and cymbalta. Those drugs kept me up all night. Is seroquel more sedating?
I am on 40mg of pristiq (desvenlafaxine) and 5mg of cymbalta and i cannot sleep a wink. What should I do?
Why would cymbalta make a difference than the anti depressant Pristiq (desvenlafaxine) pleaseb?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.