Gabapentin and Namzaric drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Gabapentin (gabapentin) and Namzaric (donepezil hydrochloride; memantine hydrochloride). Common drug interactions include syncope among females and somnolence among males.

The phase IV clinical study analyzes what interactions people have when they take Gabapentin and Namzaric. It is created by eHealthMe based on reports of 39 people who take the same drugs from the FDA, and is updated regularly.

What is Gabapentin?

Gabapentin has active ingredients of gabapentin. It is often used in neuralgia. eHealthMe is studying from 322,983 Gabapentin users. Check the latest studies of Gabapentin.

What is Namzaric?

Namzaric has active ingredients of donepezil hydrochloride; memantine hydrochloride. eHealthMe is studying from 664 Namzaric users. Check the latest studies of Namzaric.

On Jul, 14, 2026

39 people who take Gabapentin and Namzaric together, and have interactions are studied.

Gabapentin and Namzaric drug interactions.

What are the common drug interactions of Gabapentin and Namzaric, by gender? *:

female:

Syncope (loss of consciousness with an inability to maintain postural tone)
Thrombosis (formation of a blood clot inside a blood vessel)
Vomiting
Fall
Aneurysm (enlargement of an artery caused by a weakening of the artery wall)
Balance disorder
Carotid artery occlusion (artery blockage)
Head injury
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))

male:

Somnolence (a state of near-sleep, a strong desire for sleep)
Fall
Constipation
Dementia (madness)
Dental caries
Drug ineffective
Hepatic enzyme increased
Hypersensitivity
Infection
Loss of consciousness

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

Aneurysm (enlargement of an artery caused by a weakening of the artery wall)
Balance disorder
Carotid artery occlusion (artery blockage)
Head injury
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))

60+:

Somnolence (a state of near-sleep, a strong desire for sleep)
Fall
Constipation
Dementia (madness)
Dental caries
Drug ineffective
Hepatic enzyme increased
Hypersensitivity
Infection
Loss of consciousness

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 11 people, 28.21%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 8 people, 20.51%
Parkinson's Disease: 6 people, 15.38%
Neuropathy Peripheral (surface nerve damage): 4 people, 10.26%
Dementia Alzheimer's Type (loss of mental ability with alzheimer's symptom): 4 people, 10.26%
High Blood Cholesterol: 4 people, 10.26%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 3 people, 7.69%
Hallucinations (sensations that appear real but are created by your mind): 3 people, 7.69%
Dementia (madness): 3 people, 7.69%
Neurotrophic Keratopathy (decreased corneal sensitivity and poor corneal healing): 2 people, 5.13%

* Approximation only. Some reports may have incomplete information.

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