Singulair and Ancef drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Singulair (montelukast sodium) and Ancef (cefazolin sodium). Common drug interactions include anxiety among females and death among males.

The phase IV clinical study analyzes what interactions people have when they take Singulair and Ancef. It is created by eHealthMe based on reports of 53 people who take the same drugs from the FDA, and is updated regularly.

What is Singulair?

Singulair has active ingredients of montelukast sodium. It is often used in asthma. eHealthMe is studying from 129,752 Singulair users. Check the latest studies of Singulair.

What is Ancef?

Ancef has active ingredients of cefazolin sodium. eHealthMe is studying from 3,292 Ancef users. Check the latest studies of Ancef.

On Jul, 12, 2026

53 people who take Singulair and Ancef together, and have interactions are studied.

What are the common drug interactions of Singulair and Ancef, by gender? *:

female:

Anxiety
Injury
Renal failure (kidney dysfunction)
Fall
Emotional distress
Dizziness
Abdominal pain
Diarrhoea
Dyspnoea (difficult or laboured respiration)
Foot fracture

male:

Death
Pain
Cytokine storm (over-protective immune response that can actually be fatal)
Diarrhoea
Fungal infection
Glomerular filtration rate decreased
Headache (pain in head)
Lymphocyte count decreased
Malnutrition (a condition that results from eating a diet in which certain nutrients are lacking)
Mitral valve incompetence (inefficient heart valve)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Injury
Pain
Pulmonary embolism (blockage of the main artery of the lung)
Abdominal pain
Abdominal pain upper
Adenocarcinoma (malignant tumour formed from glandular structures in epithelial tissue)
Adenoma benign (non-cancerous tumour -secreting)
Adnexa uteri cyst (ovarian cysts)
Anxiety
Aortic arteriosclerosis (hardening of the aortic arteries)

30-39:

Chronic kidney disease
Renal failure (kidney dysfunction)
Gestational hypertension (elevated blood pressure during pregnancy)
Pregnancy

40-49:

Headache (pain in head)
Nausea (feeling of having an urge to vomit)
Oral mucosal blistering (mouth ulcer)
Pyrexia (fever)
Abdominal pain upper
Aphonia (inability to produce voice)
Bladder disorder
Cardiac murmur (an heart sound in valve abnormality)
Chest pain
Chronic kidney disease

50-59:

Bone disorder
Breast cancer recurrent
Cardiac failure congestive
Cellulitis (infection under the skin)
Chest wall mass
Chondromalacia (anterior knee pain due to irritation of the cartilage on the under surface of the kneecap)
Decreased appetite
Deformity (disfigurement)
Diarrhoea
Diverticulum (out pouching of a hollow (or a fluid-filled) structure in the body)

60+:

Anxiety
Pain
Acute respiratory distress syndrome
Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Confusional state
Constipation
Depression
Drug dependence
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Fear

What are the existing conditions these people have? *

Pain: 12 people, 22.64%
Breast Cancer: 8 people, 15.09%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 15.09%
High Blood Pressure: 7 people, 13.21%
Metastases To Bone (cancer spreads to bone): 7 people, 13.21%
Stress And Anxiety: 6 people, 11.32%
High Blood Cholesterol: 6 people, 11.32%
Multiple Myeloma (cancer of the plasma cells): 5 people, 9.43%
Diabetes: 5 people, 9.43%
Osteoporosis (bones weak and more likely to break): 5 people, 9.43%

* Approximation only. Some reports may have incomplete information.

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