Pazeo and Xopenex drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Pazeo (olopatadine hydrochloride) and Xopenex (levalbuterol hydrochloride). Common drug interactions include diverticulitis among females and constipation among males.

The phase IV clinical study analyzes what interactions people have when they take Pazeo and Xopenex. It is created by eHealthMe based on reports of 29 people who take the same drugs from the FDA, and is updated regularly.

What is Pazeo?

Pazeo has active ingredients of olopatadine hydrochloride. eHealthMe is studying from 1,256 Pazeo users. Check the latest studies of Pazeo.

What is Xopenex?

Xopenex has active ingredients of levalbuterol hydrochloride. It is often used in asthma. eHealthMe is studying from 13,816 Xopenex users. Check the latest studies of Xopenex.

On Jul, 18, 2026

29 people who take Pazeo and Xopenex together, and have interactions are studied.

What are the common drug interactions of Pazeo and Xopenex, by gender? *:

female:

Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
Oral fungal infection
Urinary tract infection
Diarrhoea
Migraine (headache)
Abdominal discomfort
Adverse drug reaction
Blood glucose increased
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Headache (pain in head)

male:

Constipation
Infection
Infective pulmonary exacerbation of cystic fibrosis (severe infective lung disease with production of abnormally thick mucus)
Pyrexia (fever)
Vomiting

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

0-1:

n/a

2-9:

n/a

10-19:

Infection
Infective pulmonary exacerbation of cystic fibrosis (severe infective lung disease with production of abnormally thick mucus)
Pyrexia (fever)
Vomiting

20-29:

n/a

30-39:

Abdominal pain upper
Anaphylactic reaction (serious allergic reaction)
Diarrhoea
Fatigue (feeling of tiredness)
Hypocomplementaemia
Injection site reaction
Myalgia (muscle pain)
Pharyngeal oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Swelling

40-49:

Cystitis (inflammation of the wall of the bladder)
Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
Infusion site erythema (reddening of the skin at infusion site)
Injection site erythema (redness at injection site)
Oral fungal infection
Polycythaemia vera (blood disorder in which the bone marrow makes too many red blood cells)
Sinus disorder (disease of sinus)
Sinusitis (inflammation of sinus)
Sinusitis fungal (fungal infection of sinus)
Urinary tract infection

50-59:

Cystitis (inflammation of the wall of the bladder)
Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
Oral fungal infection
Sinus disorder (disease of sinus)
Sinusitis (inflammation of sinus)
Sinusitis fungal (fungal infection of sinus)
Urinary tract infection
Erythema (redness of the skin)
Infusion site erythema (reddening of the skin at infusion site)
Injection site reaction

60+:

Anxiety
Arrhythmia (irregular heartbeat)
Muscular weakness (muscle weakness)
Oesophageal injury
Oesophageal stenosis (narrowing of oesophagus)
Pancreatic carcinoma (pancreatic cancer)
Parkinsonism (degenerative disorder of the central nervous system characterized by tremor and impaired muscular coordination)
Renal failure (kidney dysfunction)
Renal injury (kidney injury)
Renal pain (kidney pain)

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 13 people, 44.83%
Primary Immunodeficiency Syndrome: 7 people, 24.14%
Sinusitis Fungal (fungal infection of sinus): 5 people, 17.24%
Sinusitis (inflammation of sinus): 5 people, 17.24%
Sinus Disorder (disease of sinus): 5 people, 17.24%
Oral Candidiasis (fungal infection of mouth): 5 people, 17.24%
Type 2 Diabetes: 3 people, 10.34%
Parkinson's Disease: 3 people, 10.34%
Orthostatic Hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up): 3 people, 10.34%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 3 people, 10.34%

* Approximation only. Some reports may have incomplete information.

Do you take Pazeo and Xopenex?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously