Tarceva and Fentanyl-100 drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Tarceva (erlotinib hydrochloride) and Fentanyl-100 (fentanyl). Common drug interactions include lung cancer metastatic among females and dehydration among males.

The phase IV clinical study analyzes what interactions people have when they take Tarceva and Fentanyl-100. It is created by eHealthMe based on reports of 24 people who take the same drugs from the FDA, and is updated regularly.

What is Tarceva?

Tarceva has active ingredients of erlotinib hydrochloride. It is often used in lung cancer. eHealthMe is studying from 31,036 Tarceva users. Check the latest studies of Tarceva.

What is Fentanyl-100?

Fentanyl-100 has active ingredients of fentanyl. It is often used in pain. eHealthMe is studying from 7,047 Fentanyl-100 users. Check the latest studies of Fentanyl-100.

On Jul, 09, 2026

24 people who take Tarceva and Fentanyl-100 together, and have interactions are studied.

Tarceva and Fentanyl-100 drug interactions.

What are the common drug interactions of Tarceva and Fentanyl-100, by gender? *:

female:

Lung cancer metastatic (lung cancer spreads to other parts)
Mastoiditis (infection of mastoid bone)
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)
Neck mass (mass in neck)
Oral pain
Oral torus (a lesion made of compact bone and occurs along the palate or the mandible inside the mouth)
Osteomyelitis acute (rapid infection of bone)
Osteomyelitis bacterial (infection of bone by bacteria)
Osteomyelitis chronic (long lasting infection of bone marrow)
Osteonecrosis (death of bone)

male:

Dehydration (dryness resulting from the removal of water)
Dyspnoea (difficult or laboured respiration)
Constipation
Failure to thrive (inadequate weight gain and physical growth in children)
Hypoglycaemia (deficiency of glucose in the bloodstream)
Hypotension (abnormally low blood pressure)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Cerebral haemorrhage (bleeding within the brain)
Disease progression
Malaise (a feeling of general discomfort or uneasiness)

What are the common drug interactions of Tarceva and Fentanyl-100, 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:

Osteonecrosis of jaw (death of bone of jaw)
Pain in extremity
Pseudomonas infection (pseudomonas infection is caused by a bacterium, pseudomonas aeruginosa)
Pyrexia (fever)
Tricuspid valve incompetence (inefficient heart valve)
Lung adenocarcinoma (a form of non-small cell lung cancer)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
White blood cell count decreased
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)

50-59:

Bronchitis viral (inflammation of the mucous membrane in the bronchial tubes due to infection with streptococcus pneumoniae)
Fungal sepsis (whole body infection by fungus)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Pericardial effusion (fluid around the heart)
Pulmonary hypertension (increase in blood pressure in the lung artery)
Rash
Abscess neck (neck abscesses)
Cellulitis (infection under the skin)
Dysphagia (a condition in which swallowing is difficult or painful)
Erythema (redness of the skin)

60+:

Dehydration (dryness resulting from the removal of water)
Decreased appetite
Hypoglycaemia (deficiency of glucose in the bloodstream)
Hypotension (abnormally low blood pressure)
Hypoxia (low oxygen in tissues)
Pneumonia aspiration (bronchopneumonia that develops due to the entrance of foreign materials into the bronchial tree)
Cerebral haemorrhage (bleeding within the brain)
Disease progression
Malaise (a feeling of general discomfort or uneasiness)
Metastases to meninges (cancer spreads to meninges)

What are the existing conditions these people have? *

Lung Cancer - Non-Small Cell (lung cancer): 10 people, 41.67%
Pancreatic Carcinoma (pancreatic cancer): 3 people, 12.50%
Nausea (feeling of having an urge to vomit): 3 people, 12.50%
Lung Neoplasm Malignant (cancer tumour of lung): 3 people, 12.50%
Insomnia (sleeplessness): 3 people, 12.50%
Dyspnea (difficult or laboured breathing): 3 people, 12.50%
Cancer Pain: 3 people, 12.50%
Back Pain: 3 people, 12.50%
Meningitis (inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges): 2 people, 8.33%
Lung Adenocarcinoma (a form of non-small cell lung cancer): 2 people, 8.33%

* Approximation only. Some reports may have incomplete information.

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