Marinol and Keflex drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Marinol (dronabinol) and Keflex (cephalexin). Common drug interactions include mouth haemorrhage among females and chest pain among males.

The phase IV clinical study analyzes what interactions people have when they take Marinol and Keflex. It is created by eHealthMe based on reports of 81 people who take the same drugs from the FDA, and is updated regularly.

What is Marinol?

Marinol has active ingredients of dronabinol. It is often used in pain. eHealthMe is studying from 4,963 Marinol users. Check the latest studies of Marinol.

What is Keflex?

Keflex has active ingredients of cephalexin. It is often used in infection. eHealthMe is studying from 15,844 Keflex users. Check the latest studies of Keflex.

On Aug, 02, 2026

81 people who take Marinol and Keflex together, and have interactions are studied.

What are the common drug interactions of Marinol and Keflex, by gender? *:

female:

Mouth haemorrhage (bleeding from mouth)
Osteonecrosis of jaw (death of bone of jaw)
Pain in jaw
Metastases to central nervous system (cancer spreads to central nervous system)
Bone density decreased
Depression
Tooth extraction
Abdominal pain
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Dysphagia (a condition in which swallowing is difficult or painful)

male:

Chest pain
Renal failure (kidney dysfunction)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Generalised oedema (swelling all over the body)
Haemorrhoids (a swollen vein or group of veins in the region of the anus)
Hypoalbuminaemia (levels of albumin in blood serum are abnormally low)
Malnutrition (a condition that results from eating a diet in which certain nutrients are lacking)
Oropharyngeal pain
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Abdominal pain

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

0-1:

n/a

2-9:

n/a

10-19:

Abnormal dreams
Aphasia (damage to the parts of the brain that control language)
Breast tenderness
Completed suicide (act of taking one's own life)
Dermatitis exfoliative generalised (inflammatory skin disease with erythema and scaling that affects nearly the entire cutaneous surface)
Disease progression
Dry eye (lack of adequate tears)
Fatigue (feeling of tiredness)
Folliculitis (infection of hair root)
Gait disturbance

20-29:

Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Ankle fracture
Bone density decreased
Depression
Emotional distress
Foot fracture
Gait disturbance
Haematochezia (passage of stools containing blood)
Hand fracture
Muscle atrophy (a decrease in the mass of the muscle)

30-39:

Abdominal pain upper
Acute coronary syndrome (acute chest pain and other symptoms that happen because the heart does not get blood)
Adjustment disorder
Alopecia (absence of hair from areas of the body)
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Arthralgia (joint pain)
Asthma
Axillary pain
Back pain
Balance disorder

40-49:

Constipation
Bone disorder
Chest pain
Dysuria (painful or difficult urination)
Osteonecrosis of jaw (death of bone of jaw)
Back pain
Decreased appetite
Gingival infection (gum infection)
Inflammation
Anaemia (lack of blood)

50-59:

Malignant neoplasm progression (cancer tumour came back)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Generalised oedema (swelling all over the body)
Haemorrhoids (a swollen vein or group of veins in the region of the anus)
Hypoalbuminaemia (levels of albumin in blood serum are abnormally low)
Malnutrition (a condition that results from eating a diet in which certain nutrients are lacking)
Oropharyngeal pain
Abdominal pain
Anaemia of chronic disease
Tachycardia (a heart rate that exceeds the range of 100 beats/min)

60+:

Anaemia (lack of blood)
Aortic stenosis (obstruction to the outflow of blood from the left ventricle into the aorta)
Decreased appetite
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Deformity (disfigurement)
Dementia (madness)
Depression
Fall
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Haemoptysis (blood-stained sputum from the bronchi, larynx, trachea, or lungs)

What are the existing conditions these people have? *

Breast Cancer Metastatic: 32 people, 39.51%
Irritable Bowel Syndrome: 24 people, 29.63%
Hypercalcaemia Of Malignancy (elevated calcium (ca+) level in the blood with cancer): 16 people, 19.75%
Breast Cancer: 12 people, 14.81%
Nausea (feeling of having an urge to vomit): 11 people, 13.58%
Metastases To Bone (cancer spreads to bone): 11 people, 13.58%
Urinary Tract Infection: 8 people, 9.88%
Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 7 people, 8.64%
Pancreatic Carcinoma Metastatic (pancreatic cancer- metastatic): 5 people, 6.17%
Insomnia (sleeplessness): 5 people, 6.17%

* Approximation only. Some reports may have incomplete information.

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