Serax and Zantac drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Serax (oxazepam) and Zantac (ranitidine hydrochloride). Common drug interactions include neutropenia among females and blood creatinine increased among males.

The phase IV clinical study analyzes what interactions people have when they take Serax and Zantac. It is created by eHealthMe based on reports of 61 people who take the same drugs from the FDA, and is updated regularly.

What is Serax?

Serax has active ingredients of oxazepam. It is often used in stress and anxiety. eHealthMe is studying from 1,542 Serax users. Check the latest studies of Serax.

What is Zantac?

Zantac has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 434,161 Zantac users. Check the latest studies of Zantac.

On Jul, 15, 2026

61 people who take Serax and Zantac together, and have interactions are studied.

What are the common drug interactions of Serax and Zantac, by gender? *:

female:

Neutropenia (an abnormally low number of neutrophils)
Blood creatinine increased
Depression
Hypokalaemia (low potassium)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Pneumonia staphylococcal (pneumonia staphylococcal infections are usually caused by the organism staphylococcus aureus)
Pulmonary embolism (blockage of the main artery of the lung)
Pulmonary oedema (fluid accumulation in the lungs)
Pyrexia (fever)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)

male:

Blood creatinine increased
Headache (pain in head)
Cough
Diarrhoea
Haemolytic anaemia (anaemia due to haemolysis)
Hallucination, visual (seeing things that aren't there)
Hyperbilirubinaemia (excess of bilirubin in the blood)
Urinary tract infection
Aspergillosis (an infection caused by a fungus called aspergillus)
Autoimmune disorder (a condition in which the immune system attacks the body's normal substances and tissue)

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

0-1:

Foetal exposure during pregnancy (exposing your unborn child to contraindicated in pregnancy leads birth defect)
Premature baby

2-9:

n/a

10-19:

n/a

20-29:

Acute hepatic failure
Ascites (accumulation of fluid in the abdominal cavity)
Diabetes mellitus inadequate control

30-39:

Depression
Dyspnoea (difficult or laboured respiration)
Pain
Chest pain
Chest tightness
Discomfort
Drug ineffective
Dyspnoea exertional (breathlessness or shortness of breath)
Pulmonary valve incompetence
Sweating increased (excess sweating)

40-49:

Blindness cortical
Cerebral infarction (less blood supply to brain resulting tissue damage)
Constipation
Cough
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diarrhoea
Injection site inflammation
Injection site vesicles (fluid- or air-filled cavity or sac at injection site)
Pancreatitis (inflammation of pancreas)
Rash erythematous (redness of the skin)

50-59:

Respiratory failure (inadequate gas exchange by the respiratory system)
Anaemia (lack of blood)
Aspergillosis (an infection caused by a fungus called aspergillus)
Atrial tachycardia (rhythm disturbance that arises in the atria)
Autoimmune disorder (a condition in which the immune system attacks the body's normal substances and tissue)
Blood alkaline phosphatase nos increased
Blood bilirubin increased
Burning sensation
Colitis (inflammation of colon)
Colitis ulcerative (inflammation of colon with ulcer)

60+:

Blood creatinine increased
Headache (pain in head)
Pulmonary embolism (blockage of the main artery of the lung)
Pulmonary oedema (fluid accumulation in the lungs)
Pyrexia (fever)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Cardiac disorder
Drug ineffective
Hallucination, visual (seeing things that aren't there)
Hyperbilirubinaemia (excess of bilirubin in the blood)

What are the existing conditions these people have? *

Pain: 11 people, 18.03%
Sleep Disorder: 8 people, 13.11%
Restless Leg Syndrome (a powerful urge to move your legs): 8 people, 13.11%
Neurogenic Bladder (the normal function of the bladder is to store and empty urine in a coordinated, controlled fashion): 8 people, 13.11%
Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 8 people, 13.11%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 8 people, 13.11%
Migraine (headache): 8 people, 13.11%
Fibromyalgia (a long-term condition which causes pain all over the body): 8 people, 13.11%
Depression: 8 people, 13.11%
Cystitis Interstitial (unknown cause characterized by bladder pain): 8 people, 13.11%

* Approximation only. Some reports may have incomplete information.

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