Xolair and Levothroid drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Xolair (omalizumab) and Levothroid (levothyroxine sodium). Common drug interactions include dyspnoea among females and dyspnoea among males.

The phase IV clinical study analyzes what interactions people have when they take Xolair and Levothroid. 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 Xolair?

Xolair has active ingredients of omalizumab. It is often used in asthma. eHealthMe is studying from 77,554 Xolair users. Check the latest studies of Xolair.

What is Levothroid?

Levothroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 8,974 Levothroid users. Check the latest studies of Levothroid.

On Jul, 30, 2026

17 people who take Xolair and Levothroid together, and have interactions are studied.

Xolair and Levothroid drug interactions.

What are the common drug interactions of Xolair and Levothroid, by gender? *:

female:

Dyspnoea (difficult or laboured respiration)
Cough
Depression
Abdominal pain
Anorectal discomfort
Conjunctival hyperaemia (congestion of conjunctival vessels)
Diarrhoea
Headache (pain in head)
Leukocytosis (increased white blood cells)
Nausea (feeling of having an urge to vomit)

male:

Dyspnoea (difficult or laboured respiration)
Lymphatic disorder (disease of lymphatic system)
Chills (felling of cold)
Constipation
Dizziness
Drug hypersensitivity
Drug ineffective
Dysgeusia (disorder of the sense of taste)
Emergency care
Fall

What are the common drug interactions of Xolair and Levothroid, 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:

Cough
Abdominal pain upper
Anaphylactic reaction (serious allergic reaction)
Anxiety
Decreased appetite
Depression
Erythema (redness of the skin)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Head injury
Increased appetite

50-59:

Dyspnoea (difficult or laboured respiration)
Lymphatic disorder (disease of lymphatic system)
Tonsil cancer
Tonsillar atrophy (the partial or complete wasting away of a part of the tonsil)
Tonsillar disorder (disease of tonsil)
Abdominal pain
Appetite disorder (abnormal eating habits)
Blindness
Chills (felling of cold)
Constipation

60+:

Arrhythmia (irregular heartbeat)
Balance disorder
Lymphatic disorder (disease of lymphatic system)
Pain in extremity
Rash
Swelling face
Tonsil cancer
Tonsillar atrophy (the partial or complete wasting away of a part of the tonsil)
Tonsillar disorder (disease of tonsil)
Urticaria (rash of round, red welts on the skin that itch intensely)

What are the existing conditions these people have? *

Pain: 4 people, 23.53%
Stress And Anxiety: 3 people, 17.65%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 17.65%
Hypersensitivity: 3 people, 17.65%
Wheezing (a high-pitched whistling sound made while you breath): 2 people, 11.76%
Thyroid Diseases: 2 people, 11.76%
Drowsiness: 2 people, 11.76%
High Blood Pressure: 2 people, 11.76%
Migraine (headache): 2 people, 11.76%
Muscle Spasms (muscle contraction): 2 people, 11.76%

* Approximation only. Some reports may have incomplete information.

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