Norco and Cefadroxil drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Norco (acetaminophen; hydrocodone bitartrate) and Cefadroxil (cefadroxil/cefadroxil hemihydrate). Common drug interactions include hiatus hernia among females and ankle fracture among males.

The phase IV clinical study analyzes what interactions people have when they take Norco and Cefadroxil. It is created by eHealthMe based on reports of 41 people who take the same drugs from the FDA, and is updated regularly.

What is Norco?

Norco has active ingredients of acetaminophen; hydrocodone bitartrate. It is often used in pain. eHealthMe is studying from 74,063 Norco users. Check the latest studies of Norco.

What is Cefadroxil?

Cefadroxil has active ingredients of cefadroxil/cefadroxil hemihydrate. It is often used in acne. eHealthMe is studying from 1,897 Cefadroxil users. Check the latest studies of Cefadroxil.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 22, 2026

41 people who take Norco and Cefadroxil together, and have interactions are studied.

What are the common drug interactions of Norco and Cefadroxil, by gender? *:

female:

Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
Hyperhidrosis (abnormally increased sweating)
Hyperlipidaemia (presence of excess lipids in the blood)
Hypermetropia (abnormal condition in which vision for distant objects is better than for near objects)
Hypoacusis (loss of hearing)
Influenza like illness
Injury
Insomnia (sleeplessness)
Laryngitis (inflammation of the larynx)
Lyme disease (a bacterial infection that is spread to humans by infected ticks)

male:

Ankle fracture
Basal cell carcinoma (a skin cancer, it rarely metastasizes or kills)
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Constipation
Decreased appetite
Fatigue (feeling of tiredness)
Limb injury
Muscular weakness (muscle weakness)
Neck pain
Pneumonia

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Dermatitis atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder)

40-49:

Fall
Hip fracture
Memory impairment
Mobility decreased (ability to move is reduced)
Cold sweat
Fatigue (feeling of tiredness)
Feeling hot
Frequent bowel movements
Hyperhidrosis (abnormally increased sweating)
Nausea (feeling of having an urge to vomit)

50-59:

Surgery

60+:

Chest pain
Rash
Asthma
Astigmatism (refractive error of the eye in which parallel rays of light from an external source do not converge on a single focal point on the retina)
Blood chloride decreased
Blood glucose increased
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Cardiac failure congestive
Cellulitis (infection under the skin)
Chills (felling of cold)

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 7 people, 17.07%
Rashes (redness): 4 people, 9.76%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 9.76%
Chest Pain: 4 people, 9.76%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 4 people, 9.76%
Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 3 people, 7.32%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 3 people, 7.32%
Itching: 3 people, 7.32%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 3 people, 7.32%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 7.32%

* Approximation only. Some reports may have incomplete information.

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