Effexor and Tacrolimus drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Effexor (venlafaxine hydrochloride) and Tacrolimus (tacrolimus). Common drug interactions include urinary tract infection among females and gait disturbance among males.

The phase IV clinical study analyzes what interactions people have when they take Effexor and Tacrolimus. It is created by eHealthMe based on reports of 82 people who take the same drugs from the FDA, and is updated regularly.

What is Effexor?

Effexor has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 99,493 Effexor users. Check the latest studies of Effexor.

What is Tacrolimus?

Tacrolimus has active ingredients of tacrolimus. It is often used in kidney transplant. eHealthMe is studying from 116,160 Tacrolimus users. Check the latest studies of Tacrolimus.

On Jul, 11, 2026

82 people who take Effexor and Tacrolimus together, and have interactions are studied.

Effexor and Tacrolimus drug interactions.

What are the common drug interactions of Effexor and Tacrolimus, by gender? *:

female:

Urinary tract infection
Arthralgia (joint pain)
Fall
Weight decreased
Fatigue (feeling of tiredness)
Cytomegalovirus infection
Headache (pain in head)
Hypokalaemia (low potassium)
Irritable bowel syndrome
Pain

male:

Gait disturbance
Pain
Back pain
Pruritus (severe itching of the skin)
Alopecia (absence of hair from areas of the body)
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
Bone pain
Dry skin
Dyspnoea (difficult or laboured respiration)
Fatigue (feeling of tiredness)

What are the common drug interactions of Effexor and Tacrolimus, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Blood pressure increased
Bone marrow disorder
Diarrhoea
Diffuse large b-cell lymphoma stage iii (cancer of b cells, a type of white blood cell-stage iii)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Insomnia (sleeplessness)
Lung disorder (lung disease)
Lymphadenopathy (disease or enlargement of lymph nodes)
Lymphoma (cancer that begins in immune system cells)
Nausea (feeling of having an urge to vomit)

30-39:

Blood parathyroid hormone increased
Blood glucose increased
Bradycardia (abnormally slow heart action)
Bronchial fistula
Cardiac arrest
Diarrhoea
Empyema (collection of pus in a cavity in the body)
Gastroenteritis (inflammation of stomach and intestine)
Haemoglobin decreased
Hydropneumothorax (presence of both air and fluid in the pleural space (lungs))

40-49:

Adrenal insufficiency (a condition in which the adrenal glands do not produce adequate amounts of steroids)
Blood pressure decreased
Dehydration (dryness resulting from the removal of water)
Dizziness
Haematocrit decreased
Haemoglobin decreased
Red blood cell count decreased
White blood cell count decreased
Agitation (state of anxiety or nervous excitement)
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)

50-59:

Joint swelling
Left ventricular failure (left ventricle fails to contract forcefully)
Major depression (a mood state that goes well beyond temporarily feeling sad or blue. it is a serious medical illness that affects one's thoughts, feelings)
Muscle spasms (muscle contraction)
Myalgia (muscle pain)
Neck pain
Neuropathy peripheral (surface nerve damage)
Pain
Peripheral swelling
Pulmonary hypertension (increase in blood pressure in the lung artery)

60+:

Pain
Arthralgia (joint pain)
Fatigue (feeling of tiredness)
Gait disturbance
Hyperkeratosis (thickening of the outer layer of the skin)
Joint instability (a condition in which the joints aren't sufficiently supported)
Joint range of motion decreased (disease of joint movement)
Joint stiffness
Mobility decreased (ability to move is reduced)
Muscular weakness (muscle weakness)

What are the existing conditions these people have? *

Polymyalgia Rheumatica (pain in many muscles): 9 people, 10.98%
Bronchospasm (spasm of bronchial smooth muscle producing narrowing of the bronchi): 9 people, 10.98%
Anaemia (lack of blood): 9 people, 10.98%
Immunodeficiency Common Variable: 8 people, 9.76%
Lipidosis (disorder of lipid metabolism involving abnormal accumulation of lipids in the reticuloendothelial cells): 6 people, 7.32%
Immune System Disorder: 6 people, 7.32%
Inflammation: 5 people, 6.10%

* Approximation only. Some reports may have incomplete information.

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