Optivar and Neurontin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Optivar (azelastine hydrochloride) and Neurontin (gabapentin). Common drug interactions include pneumonia among females and acute respiratory failure among males.

The phase IV clinical study analyzes what interactions people have when they take Optivar and Neurontin. It is created by eHealthMe based on reports of 17 people who take the same drugs from the FDA, and is updated regularly.

What is Optivar?

Optivar has active ingredients of azelastine hydrochloride. eHealthMe is studying from 367 Optivar users. Check the latest studies of Optivar.

What is Neurontin?

Neurontin has active ingredients of gabapentin. It is often used in neuralgia. eHealthMe is studying from 107,468 Neurontin users. Check the latest studies of Neurontin.

On Jul, 19, 2026

17 people who take Optivar and Neurontin together, and have interactions are studied.

Optivar and Neurontin drug interactions.

What are the common drug interactions of Optivar and Neurontin, by gender? *:

female:

Pneumonia
Drug effect delayed
Dyspepsia (indigestion)
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Diarrhoea
Fatigue (feeling of tiredness)
Hepatitis (inflammation of the liver)
Hypocalcaemia (levels of calcium in blood serum are abnormally low)
Lung infection
Lung neoplasm malignant (cancer tumour of lung)

male:

Acute respiratory failure
Anaemia (lack of blood)
Proteinuria (presence of protein in the urine)
Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
Sepsis (a severe blood infection that can lead to organ failure and death)
Vomiting
Haemorrhage (bleeding)
Headache (pain in head)
Nausea (feeling of having an urge to vomit)
Abdominal discomfort

What are the common drug interactions of Optivar and Neurontin, 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:

Throat irritation
Urticaria (rash of round, red welts on the skin that itch intensely)
Wheezing (a high-pitched whistling sound made while you breath)

50-59:

Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Oedema peripheral (superficial swelling)
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Pneumonia
Sputum discoloured
Balance disorder
Cataract (clouding of the lens inside the eye)
Constipation
Cough
Dry eye (lack of adequate tears)

60+:

Vomiting
Acute respiratory failure
Myositis (inflammation of the muscles)
Proteinuria (presence of protein in the urine)
Rhabdomyolysis (a condition in which damaged skeletal muscle tissue breaks down)
Sepsis (a severe blood infection that can lead to organ failure and death)
Diarrhoea
Drug effect delayed
Dyspepsia (indigestion)
Haemorrhage (bleeding)

What are the existing conditions these people have? *

Pain: 7 people, 41.18%
Deep Venous Thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis): 6 people, 35.29%
Metastases To Central Nervous System (cancer spreads to central nervous system): 5 people, 29.41%
Dry Eyes (lack of adequate tears): 5 people, 29.41%
Oedema (fluid collection in tissue): 5 people, 29.41%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 17.65%
Depression: 3 people, 17.65%
Asthma: 3 people, 17.65%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 3 people, 17.65%
Hypersensitivity: 3 people, 17.65%

* Approximation only. Some reports may have incomplete information.

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