4 doctors weighed in:

New refill of Effexor (venlafaxine) is xr; old bottle was not xr. Same dose (75mg) Can this increase anxiety/side effects temporarily?

4 doctors weighed in
Dr. William Holmes
Pediatrics - Psychiatry
2 doctors agree

In brief: Possibly

A switch from regular to XR can make a difference in terms of benefit and possible adverse effects.
Talk with your pharmacy and/or physician to get this straightened out. Plenty of people do fine with this kind of change, but since you are noticing a change, you need to get it checked out.

In brief: Possibly

A switch from regular to XR can make a difference in terms of benefit and possible adverse effects.
Talk with your pharmacy and/or physician to get this straightened out. Plenty of people do fine with this kind of change, but since you are noticing a change, you need to get it checked out.
Thank
Dr. Jovita Anyanwu
Internal Medicine

In brief: Yes

talk to your psychiatrist

In brief: Yes

talk to your psychiatrist
Thank
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