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Effexor Off Label Use Side Effects

Effexor Off Label Use Side Effect Reports


The following Effexor Off Label Use side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Off Label Use, can occur, and what you can do about them.

A side effect could appear soon after you start Effexor or it might take time to develop.



Off Label Use, Vitamin D Decreased, Malaise, Dizziness

This Off Label Use side effect was reported by a health professional from US. A 61-year-old female patient (weight:NA) experienced the following symptoms/conditions: hot flush. The patient was prescribed Effexor Xr (dosage: Unk), which was started on 201402. Concurrently used drugs: NA. When starting to take Effexor Xr the consumer reported the following symptoms:
  • Off Label Use
  • Vitamin D Decreased
  • Malaise
  • Dizziness
These side effects may potentially be related to Effexor Xr.
Suicidal Ideation, Mental Disorder, Abnormal Behaviour, Anger, Hostility, Weight Increased, Off Label Use

This Off Label Use Effexor Xr side effect was reported by a consumer or non-health professional from US on Feb 18, 2014. A Female , 23 years of age, weighting 249.1 lb, was diagnosed with and was treated with Effexor Xr. The patient presented the following health conditions:
  • Suicidal Ideation
  • Mental Disorder
  • Abnormal Behaviour
  • Anger
  • Hostility
  • Weight Increased
  • Off Label Use
. Effexor Xr dosage: 150 Mg, 1x/day. Additional drugs used at the same time: NA.
Panic Attack, Nightmare, Headache, Glycosylated Haemoglobin Increased, Hypertension, Off Label Use

This is a Effexor Xr side effect report of a 49-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: hot flush,depression,diabetes mellitus, who was treated with Effexor Xr (dosage:150 Mg, Unk, start time: 201304), combined with: NA., and developed a serious reaction and a Off Label Use side effect. The patient presented with:
  • Panic Attack
  • Nightmare
  • Headache
  • Glycosylated Haemoglobin Increased
  • Hypertension
  • Off Label Use
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Effexor Xr treatment in female patients suffering from hot flush,depression,diabetes mellitus, resulting in Off Label Use.

Myalgia, Malaise, Nausea, Fall, Off Label Use

A 50-year-old female patient (weight: NA) from US with the following symptoms: obsessive-compulsive disorder,anxiety started Effexor Xr treatment (dosage: 187.5 Mg, Daily) on NS. Soon after starting Effexor Xr treatment, the consumer experienced several side effects, including:
  • Myalgia
  • Malaise
  • Nausea
  • Fall
  • Off Label Use
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Effexor Xr side effects, such as Off Label Use.
Impaired Work Ability, Malaise, Off Label Use

A female patient from US was prescribed and started Effexor Xr on Mar 20, 2014. Patient felt the following Effexor side effects: impaired work ability, malaise, off label use Additional patient health information: Female , 48 years of age, weighting 142.0 lb, The consumer reported the following symptoms: was diagnosed with and. Effexor Xr dosage: 37.5 Mg, Daily. Concurrently used drugs: NA.
Off Label Use, Pain, Mobility Decreased, Weight Increased

This report suggests a potential Effexor Xr Off Label Use side effect(s) that can have serious consequences. A 62-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): post-traumatic stress disorder,chronic obstructive pulmonary disease and used Effexor Xr (dosage: 150 Mg, 2x/day) starting NS. Soon after starting Effexor Xr the patient began experiencing various side effects, including:
  • Off Label Use
  • Pain
  • Mobility Decreased
  • Weight Increased
Drugs used concurrently:
  • Symbicort
  • Spiriva (18 Ug, Daily)
Although Effexor Xr demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Off Label Use, may still occur.
Off Label Use

An adverse event was reported by a consumer or non-health professional on Jan 08, 2014 by a Female taking Effexor Xr (dosage: 37.5 Mg, Daily) was diagnosed with and. Location: US , 57 years of age, weighting 160.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Effexor side effects: off label use. Additional medications/treatments:
Sleep Disorder, Middle Insomnia, Off Label Use

This Off Label Use problem was reported by a consumer or non-health professional from US. A 57-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): anxiety,dyspnoea.On NS a consumer started treatment with Effexor Xr (dosage: 75 Mg, Unk). The following drugs/medications were being taken at the same time: NA. When commencing Effexor Xr, the patient experienced the following unwanted symptoms /side effects:
  • Sleep Disorder
  • Middle Insomnia
  • Off Label Use
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Off Label Use, may become evident only after a product is in use by the general population.
Off Label Use, Mental Disorder, Feeling Jittery

This is a Effexor side effect report of a 70-year-old patient (weight: NA) from US. The patient developed the following symptoms/conditions: anxiety,nervousness and was treated with Effexor (dosage: Unk) starting 2013. Concurrently used drugs:
  • Xanax (37.5 Mg, 2x/day)
Soon after that, the consumer experienced the following of symptoms:
  • Off Label Use
  • Mental Disorder
  • Feeling Jittery
This opens a possibility that Effexor could cause Off Label Use and that some patients may be more susceptible.
Palpitations, Tachycardia, Hepatic Enzyme Increased, Hyperhidrosis, Nausea, Asthenia, Off Label Use

This Off Label Use side effect was reported by a consumer or non-health professional from US on Mar 03, 2014. A female patient from US , 71 years of age, weighting 148.0 lb, was diagnosed with and was treated with Effexor Xr. Directly after treatment started, patient experienced the unwanted or unexpected Effexor side effects: palpitations, tachycardia, hepatic enzyme increased, hyperhidrosis, nausea, asthenia, off label use. Effexor Xr dosage: 37.5 Mg, 1x/day. These side effects may potentially be related to Effexor Xr.
Incorrect Dose Administered, Feeling Abnormal, Withdrawal Syndrome, Off Label Use

This Off Label Use side effect was reported by a consumer or non-health professional from US. A 49-year-old female patient (weight:NA) experienced the following symptoms/conditions: depression,post-traumatic stress disorder. The patient was prescribed Effexor (dosage: 300 Mg, Daily), which was started on 2012. Concurrently used drugs: NA. When starting to take Effexor the consumer reported the following symptoms:
  • Incorrect Dose Administered
  • Feeling Abnormal
  • Withdrawal Syndrome
  • Off Label Use
These side effects may potentially be related to Effexor.
Off Label Use

This Off Label Use Effexor Xr side effect was reported by a consumer or non-health professional from US on Dec 23, 2013. A Female , 60 years of age, weighting 122.0 lb, was diagnosed with and was treated with Effexor Xr. The patient presented the following health conditions:
  • Off Label Use
. Effexor Xr dosage: Unk. Additional drugs used at the same time: NA.
Cough, Off Label Use

This is a Effexor side effect report of a 49-year-old female patient (weight:NA) from US, suffering from the following symptoms/conditions: migraine, who was treated with Effexor (dosage:75 Mg, Q Am, start time: 201311), combined with: NA., and developed a serious reaction and a Off Label Use side effect. The patient presented with:
  • Cough
  • Off Label Use
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Effexor treatment in female patients suffering from migraine, resulting in Off Label Use.
Cough, Off Label Use

A 43-year-old female patient (weight: NA) from US with the following symptoms: migraine started Effexor treatment (dosage: Unk) on NS. Soon after starting Effexor treatment, the consumer experienced several side effects, including:
  • Cough
  • Off Label Use
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Effexor side effects, such as Off Label Use.
Feeling Abnormal, Off Label Use

A female patient from US was prescribed and started Effexor Xr on Dec 16, 2013. After Effexor was administered, patient encountered several Effexor side effects: feeling abnormal, off label use Additional patient health information: Female , 49 years of age, weighting 170.0 lb, The consumer reported the following symptoms: was diagnosed with and. Effexor Xr dosage: 150 Mg, 1x/day. Concurrently used drugs: NA.
Headache, Fatigue, Nausea, Off Label Use

This report suggests a potential Effexor Off Label Use side effect(s) that can have serious consequences. A 49-year-old female patient from US (weight:NA) was diagnosed with the following health condition(s): fibromyalgia,pain and used Effexor (dosage: Unk) starting NS. Soon after starting Effexor the patient began experiencing various side effects, including:
  • Headache
  • Fatigue
  • Nausea
  • Off Label Use
Drugs used concurrently:NA. Although Effexor demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Off Label Use, may still occur.
Diarrhoea, Pruritus, Dizziness, Off Label Use

An adverse event was reported by a consumer or non-health professional on Dec 12, 2013 by a male taking Effexor Xr (dosage: 75 Mg, 1x/day) was diagnosed with and. Location: US , 60 years of age, weighting 251.3 lb, patient began experiencing various side effects, including: Patient felt the following Effexor side effects: diarrhoea, pruritus, dizziness, off label use. Additional medications/treatments:
Off Label Use, Malaise

This Off Label Use problem was reported by a consumer or non-health professional from US. A 56-year-old female patient (weight: NA) was diagnosed with the following medical condition(s): pain,fibromyalgia.On 2013 a consumer started treatment with Effexor Xr (dosage: Unk). The following drugs/medications were being taken at the same time: NA. When commencing Effexor Xr, the patient experienced the following unwanted symptoms /side effects:
  • Off Label Use
  • Malaise
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Off Label Use, may become evident only after a product is in use by the general population.
Thyroid Disorder, Malaise, Nausea, Vomiting, Dyspepsia, Activities Of Daily Living Impaired, Off Label Use

This is a Effexor Xr side effect report of a 61-year-old female patient (weight: NA) from US. The patient developed the following symptoms/conditions: hot flush,anxiety,blood cholesterol increased and was treated with Effexor Xr (dosage: 37.5 Mg, 1x/day) starting 2003. Concurrently used drugs: NA. Soon after that, the consumer experienced the following of symptoms:
  • Thyroid Disorder
  • Malaise
  • Nausea
  • Vomiting
  • Dyspepsia
  • Activities Of Daily Living Impaired
  • Off Label Use
This opens a possibility that Effexor Xr could cause Off Label Use and that some female patients may be more susceptible.
Off Label Use, Hypertension

This Off Label Use side effect was reported by a consumer or non-health professional from US on Nov 29, 2013. A female patient from US , 73 years of age, weighting 159.0 lb, was diagnosed with and was treated with Effexor. Patient felt the following Effexor side effects: off label use, hypertension. Effexor dosage: 20 Mg, Daily.
Multiple prescriptions taken:
  • Aldactone (25 Mg, Daily)
  • Coreg (25 Mg, 2x/day)
  • Lipitor (25 Mg, Daily)
These side effects may potentially be related to Effexor.
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DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Effexor Off Label Use Causes and Reviews


Normally, your cells grow and die in a controlled way. Cancer cells keep growing without control. Chemotherapy is drug therapy for cancer. It works by killing the cancer cells, stopping them from spreading, or slowing their growth. However, it can also harm healthy cells, which causes side effects.

You may have a lot of side effects, some, or none at all. It depends on the type and amount of chemotherapy you get and how your body reacts. Some common side effects are fatigue, nausea, vomiting, pain, and hair loss. There are ways to prevent or control some side effects. Talk with your health care provider about how to manage them. Healthy cells usually recover after chemotherapy is over, so most side effects gradually go away.

Your treatment plan will depend on the cancer type, the chemotherapy drugs used, the treatment goal, and how your body responds. Chemotherapy may be given alone or with other treatments. You may get treatment every day, every week, or every month. You may have breaks between treatments so that your body has a chance to build new healthy cells. You might take the drugs by mouth, in a shot, as a cream, or intravenously (by IV).

NIH: National Cancer Institute


Effexor Off Label Use Reviews

Sun, 06 May 2012

I'm experiencing severe dizyness almost do face plants to the ground a dozen times a day. Can't focus  when tryin to read.
Always confused and forgetfull .
about to loose my job if this shit continues.

Tue, 02 Oct 2012

all of the above plus hives massive weight gain....An evil drug...should be taken off the market!!

Mon, 02 May 2011

Thank you everyone. I am definitely going to tell my shrink that I need to get off Effexor
immediately. Does anyone out there also take lithium and temazapam(sleeping pill)?

Thu, 07 Jun 2012

Does anyone else feel that Effexor XR doesn't work as well when they are either having a bout of influenza or herpes, or another viral infection?  I get brain zaps even on my normal dosage (150mg/day) if I am experiencing a cold or herpes outbreak.

Wed, 04 Nov 2009
tendon tears Effexor?
Tue, 12 May 2009
Effexor raised my blood presure alot ,I had extreme painful headaches,rash that started on my face which was horrible,then spread to my chest,my neck was beat red I itched so badly.I think docotrs need to be more educated on this med before giveing it out so quickly.
Sun, 17 May 2009
Effexor was horrible for me...as soon as I started it I started having panic attacks worse than ever (supposed to help them) scary bad dreams, waking up in a sweat and not knowing who I was, then depression. The first day I expeirenced the panic attacks fast heartrate, I called my Dr. and he assured me that it could not have taken effect that fast, not true! He told me to keep takin the medicine, I trusted his word until I ended up in the hospital feeling like I was loosing my mind. I ended up going into a very deep depression. This was many years ago but I read some of the post and thought I would share my experience. If your told that there is no way that you could be feeling any interactions on the first day, use your own judgement, I trusted my Dr's word and I almost died.
Sat, 11 Jun 2011
I Lost my children because of this drug, i almost took my own life and a life of someone very close to me, I also have liver damage, who do these people think they are making these and giving them to people?
Wed, 02 Dec 2009
Effexor amp; Pristiq is poison - I would know, I started taking it at 16 yrs old, instead of counselling I was given Effexor by a 'psychiatrist drug dealer' I was never offered counselling. I spent of $25,000 on this medication in my lifetime. Discontinuation Syndrome has been my worst nightmare. The brain zaps are disgusting. I wish I could get all of the people who hate venlafaxine together to sue these pharmaceutical companies. They have earnt billions of dollars off the suffering of us and we are the only ones who pay.
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Effexor Side Effects

Dizziness (702)
Anxiety (595)
Nausea (594)
Depression (503)
Headache (495)
Feeling Abnormal (492)
Suicidal Ideation (449)
Condition Aggravated (436)
Paraesthesia (372)
Malaise (353)
Insomnia (349)
Fatigue (286)
Crying (285)
Confusional State (269)
Agitation (265)
Hyperhidrosis (263)
Asthenia (249)
Diarrhoea (236)
Tremor (236)
Convulsion (235)
Completed Suicide (222)
Hypertension (221)
Fall (219)
Disturbance In Attention (207)
Vomiting (204)
Aggression (201)
Blood Pressure Increased (194)
Anger (193)
Withdrawal Syndrome (183)
Somnolence (180)
Pain (177)
Suicide Attempt (175)
Weight Increased (163)
Abnormal Behaviour (151)
Dyspnoea (150)
Amnesia (150)
Intentional Overdose (136)
Irritability (135)
Abnormal Dreams (123)
Tinnitus (118)
Activities Of Daily Living Impaired (117)
Serotonin Syndrome (115)
Panic Attack (111)
Loss Of Consciousness (111)
Arthralgia (110)
Nightmare (109)
Disorientation (108)
Off Label Use (106)
Overdose (106)
Emotional Disorder (105)

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Effexor Common Side Effects

If you experienced any harmful or unwanted effects of Mucinex, please share your experience. This could help to raise awareness about Mucinex side effects, identify uknown risks and inform health professionals and patients taking Mucinex.

Examples: headache, dizziness

The most commonly reported Effexor side effects (click to view or check a box to report):

Dizziness (702)
Anxiety (595)
Nausea (594)
Depression (503)
Headache (495)
Feeling Abnormal (492)
Suicidal Ideation (449)
Condition Aggravated (436)
Paraesthesia (372)
Malaise (353)
Insomnia (349)
Fatigue (286)
Crying (285)
Confusional State (269)
Agitation (265)
Hyperhidrosis (263)
Asthenia (249)
Diarrhoea (236)
Tremor (236)
Convulsion (235)

➢ More


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