I started on Effexor 150mg XR during the midst of a long bout with depression and my third spin on Rx roulette. My partner and I are very much geared toward healthy. You have to get through the uptake before judging. I am taking 75 mg of XR and it took 12 days for the nervousness, hot flashes, complete loss of appetite, and weird. The incidences of common adverse reactions (those that occurred in ≥ 2% of EFFEXOR XR treated patients [357 MDD patients, 1,381 GAD patients, 819 SAD patients, and. Hi there, I had put on over 40 lbs when on effexor. I quit back in June and it took until October until the weight started coming off. While on the pills I was. Below are Effexor XR (Venlafaxine) reviews, ratings, comments submitted by patients and caregivers. Based on a total of 46 ratings/reviews, Effexor XR has an overall. Effexor XR official prescribing information for healthcare professionals. Includes: indications, dosage, adverse reactions, pharmacology and more. DESCRIPTION. Effexor XR is an extended-release capsule for oral administration that contains venlafaxine hydrochloride, a structurally novel antidepressant. Find patient medical information for Effexor XR oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Brand Names: Effexor, Effexor XR Generic Name: venlafaxine (Pronunciation: VEN la fax een) What is venlafaxine (Effexor, Effexor XR)? What are the possible side. What are the possible side effects of venlafaxine (Effexor, Effexor XR)? Get emergency medical help if you have any of these signs of an allergic reaction: skin rash.