Celexa and Nuedexta drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Celexa (citalopram hydrobromide) and Nuedexta (dextromethorphan hydrobromide; quinidine sulfate). Common drug interactions include drug administration error among females and fall among males.

The phase IV clinical study analyzes what interactions people have when they take Celexa and Nuedexta. It is created by eHealthMe based on reports of 55 people who take the same drugs from the FDA, and is updated regularly.

What is Celexa?

Celexa has active ingredients of citalopram hydrobromide. It is often used in depression. eHealthMe is studying from 56,390 Celexa users. Check the latest studies of Celexa.

What is Nuedexta?

Nuedexta has active ingredients of dextromethorphan hydrobromide; quinidine sulfate. eHealthMe is studying from 3,781 Nuedexta users. Check the latest studies of Nuedexta.

On Jul, 12, 2026

55 people who take Celexa and Nuedexta together, and have interactions are studied.

What are the common drug interactions of Celexa and Nuedexta, by gender? *:

female:

Drug administration error
Dyschezia (difficulty in defecating)
Dysgraphia (impaired ability to learn to write)
Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs)
Epistaxis (bleed from the nose)
Essential hypertension (primary hypertension)
Fatigue (feeling of tiredness)
Fine motor delay (delayed movements and actions of the muscles)
Flushing (the warm, red condition of human skin)
Gastric disorder (disease of stomach)

male:

Fall
Serotonin syndrome (occurs when two drugs that affect the body's level of serotonin are taken together at the same time)
Resting tremor (an involuntary somewhat rhythmic, muscle contraction and relaxation during resting condition)
Skull fracture
Disease progression
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Weight decreased
Aggression
Apathy
Arthralgia (joint pain)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Panic attack

40-49:

Dizziness
Nausea (feeling of having an urge to vomit)
Abnormal behaviour
Anger
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Somnolence (a state of near-sleep, a strong desire for sleep)
Suicidal ideation
Dysuria (painful or difficult urination)
Urinary retention (the inability to completely or partially empty the bladder)

50-59:

Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Pneumonia
Presyncope
Pulmonary congestion (congestion in the lungs)
Pyrexia (fever)
Rhinorrhoea (watery mucus discharge from the nose)
Road traffic accident
Varicella
Vitamin d decreased
Weight decreased

60+:

Agitation (state of anxiety or nervous excitement)
Decreased appetite
Therapeutic response unexpected
Disease progression
Failure to thrive (inadequate weight gain and physical growth in children)
Weight decreased
Acute myocardial infarction (acute heart attack)
Aggression
Anaemia (lack of blood)
Arthralgia (joint pain)

What are the existing conditions these people have? *

Affect Lability (emotional incontinence): 28 people, 50.91%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 12 people, 21.82%
Insomnia (sleeplessness): 6 people, 10.91%
Neuropathy Peripheral (surface nerve damage): 5 people, 9.09%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 7.27%
Muscle Spasms (muscle contraction): 4 people, 7.27%
Essential Tremor: 4 people, 7.27%
Dementia (madness): 4 people, 7.27%
Back Pain: 4 people, 7.27%
Agitation (state of anxiety or nervous excitement): 4 people, 7.27%

* Approximation only. Some reports may have incomplete information.

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