Zithromax and Erlotinib hydrochloride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Zithromax (azithromycin) and Erlotinib hydrochloride (erlotinib hydrochloride). Common drug interactions include diarrhoea among females.

The phase IV clinical study analyzes what interactions people have when they take Zithromax and Erlotinib hydrochloride. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

What is Zithromax?

Zithromax has active ingredients of azithromycin. It is often used in sinusitis. eHealthMe is studying from 35,525 Zithromax users. Check the latest studies of Zithromax.

What is Erlotinib hydrochloride?

Erlotinib hydrochloride has active ingredients of erlotinib hydrochloride. eHealthMe is studying from 4,663 Erlotinib hydrochloride users. Check the latest studies of Erlotinib hydrochloride.



On Jul, 14, 2026

15 people who take Zithromax and Erlotinib hydrochloride together, and have interactions are studied.

Zithromax and Erlotinib hydrochloride drug interactions.

What are the common drug interactions of Zithromax and Erlotinib Hydrochloride, by gender? *:

female:

  1. Diarrhoea
  2. Rash
  3. Neutropenia (an abnormally low number of neutrophils)
  4. Abdominal discomfort
  5. Arthralgia (joint pain)
  6. Aspartate aminotransferase increased
  7. Back pain
  8. Blood alkaline phosphatase increased
  9. Blood calcium decreased
  10. Blood calcium increased

male:

n/a

What are the common drug interactions of Zithromax and Erlotinib Hydrochloride, 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:

  1. Aspartate aminotransferase increased
  2. Back pain
  3. Blood alkaline phosphatase increased
  4. Blood calcium decreased
  5. Blood calcium increased
  6. Blood urea nitrogen/creatinine ratio increased
  7. Bone pain
  8. Compression fracture (fracture due to pressure caused by injury)
  9. Decreased appetite
  10. Decreased interest

50-59:

  1. Anxiety
  2. Colitis (inflammation of colon)
  3. Dehydration (dryness resulting from the removal of water)
  4. Diarrhoea
  5. Dyspnoea at rest (difficult or laboured breathing during rest)
  6. Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood)
  7. Hyponatraemia (abnormally low level of sodium in the blood; associated with dehydration)
  8. Nausea (feeling of having an urge to vomit)
  9. Rash
  10. Vomiting

60+:

  1. Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  2. Pulmonary tuberculosis (lungs tuberculosis)
  3. Anaemia (lack of blood)
  4. Blood glucose increased
  5. Cellulitis (infection under the skin)
  6. Dysarthria (speech disorder)
  7. Herpes zoster
  8. Jaundice neonatal (yellowing of skin in neonate)
  9. Malaise (a feeling of general discomfort or uneasiness)
  10. Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)

What are the existing conditions these people have? *

  1. Lung Cancer - Non-Small Cell (lung cancer): 5 people, 33.33%
  2. Pain: 4 people, 26.67%
  3. Breast Cancer Metastatic: 4 people, 26.67%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 13.33%
  5. Reflux Oesophagitis (an oesophageal mucosal injury that occurs of gastric contents into the oesophagus): 2 people, 13.33%
  6. Depression: 2 people, 13.33%
  7. Stress And Anxiety: 1 person, 6.67%
  8. Diabetes: 1 person, 6.67%
  9. Asthma: 1 person, 6.67%
  10. Birth Control: 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Zithromax and Erlotinib hydrochloride?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Zithromax and Erlotinib hydrochloride:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Zithromax:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Erlotinib hydrochloride:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Zithromax and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Erlotinib hydrochloride and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

How the study uses the data?

The study uses data from the FDA. It is based on azithromycin and erlotinib hydrochloride (the active ingredients of Zithromax and Erlotinib hydrochloride, respectively), and Zithromax and Erlotinib hydrochloride (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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