Omnicef and Ativan drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Omnicef (cefdinir) and Ativan (lorazepam). Common drug interactions include dizziness among females and renal failure among males.

The phase IV clinical study analyzes what interactions people have when they take Omnicef and Ativan. It is created by eHealthMe based on reports of 91 people who take the same drugs from the FDA, and is updated regularly.

What is Omnicef?

Omnicef has active ingredients of cefdinir. It is often used in sinusitis. eHealthMe is studying from 2,774 Omnicef users. Check the latest studies of Omnicef.

What is Ativan?

Ativan has active ingredients of lorazepam. It is often used in stress and anxiety. eHealthMe is studying from 78,506 Ativan users. Check the latest studies of Ativan.

On Jul, 26, 2026

91 people who take Omnicef and Ativan together, and have interactions are studied.

What are the common drug interactions of Omnicef and Ativan, by gender? *:

female:

Dizziness
Osteonecrosis of jaw (death of bone of jaw)
Fatigue (feeling of tiredness)
Rash
Arthralgia (joint pain)
Vomiting
Neuropathy peripheral (surface nerve damage)
Diarrhoea
Hip fracture
Mouth ulceration (mouth ulcers)

male:

Renal failure (kidney dysfunction)
Chronic kidney disease
Nephrogenic anaemia (anaemia due to kidney disease)
Anaemia (lack of blood)
Asthenia (weakness)
Asthma
Cellulitis (infection under the skin)
Chest pain
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Decreased appetite

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

0-1:

n/a

2-9:

Febrile neutropenia (fever with reduced white blood cells)

10-19:

Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Arthralgia (joint pain)
Arthropathy
Bone infarction (ischemic death of the cellular elements of the bone and marrow)
Bone pain
Decreased appetite
Gait disturbance
Headache (pain in head)
Impaired work ability
Joint destruction (joint damage)

20-29:

Injury
Lung consolidation (a condition whereby the lung tissues solidify because of the accumulation of solid and liquid material in the air spaces)
Pulmonary embolism (blockage of the main artery of the lung)
Altered state of consciousness (altered state of mind)
Atypical pneumonia (acute respiratory disease marked by high fever and coughing)
Botulism (food poisoning caused by botulinum growing)
Breath sounds
Cellulitis (infection under the skin)
Choking (mechanical obstruction of the flow of air from the environment into the lungs)
Decubitus ulcer (a chronic ulcer of the skin caused by prolonged pressure on it)

30-39:

Chronic kidney disease
Nephrogenic anaemia (anaemia due to kidney disease)
Renal failure (kidney dysfunction)
Activities of daily living impaired
Arthralgia (joint pain)
Asthenia (weakness)
Cholecystitis acute (rapid infection of gallbladder)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diabetic ketoacidosis (diabetic ketoacidosis (dka) is high concentrations of ketone bodies)

40-49:

Anaemia (lack of blood)
Decreased interest
Injury
Oedema peripheral (superficial swelling)
Osteomyelitis (infection of bone)
Pain
Poor dental condition
Postmenopause
Convulsion (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled shaking of the body)
General physical health deterioration (weak health status)

50-59:

Hip fracture
Mouth ulceration (mouth ulcers)
Bone pain
Cataract (clouding of the lens inside the eye)
Dysphagia (a condition in which swallowing is difficult or painful)
Fall
Nausea (feeling of having an urge to vomit)
Osteopenia (a condition where bone mineral density is lower than normal)
Depression
Diarrhoea

60+:

Rash
Nausea (feeling of having an urge to vomit)
Abdominal discomfort
Arthralgia (joint pain)
Cardiac failure congestive
Cataract (clouding of the lens inside the eye)
Depression
Hypertension (high blood pressure)
Muscle spasms (muscle contraction)
Neuropathy peripheral (surface nerve damage)

What are the existing conditions these people have? *

Pain: 45 people, 49.45%
Muscle Spasms (muscle contraction): 19 people, 20.88%
Multiple Myeloma (cancer of the plasma cells): 16 people, 17.58%
Upper Respiratory Tract Infection: 15 people, 16.48%
Restless Leg Syndrome (a powerful urge to move your legs): 15 people, 16.48%
Nausea (feeling of having an urge to vomit): 15 people, 16.48%
Bone Lesion (bone with abnormalities. bone lesions can result from growth formations, infections, or injuries): 15 people, 16.48%
Breast Cancer: 13 people, 14.29%
High Blood Pressure: 11 people, 12.09%
Constipation: 10 people, 10.99%

* Approximation only. Some reports may have incomplete information.

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