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

Summary:

Drug interactions are reported among people who take Guaifenesin (guaifenesin) and Tarceva (erlotinib hydrochloride). Common drug interactions include skin fissures among females and death among males.

The phase IV clinical study analyzes what interactions people have when they take Guaifenesin and Tarceva. It is created by eHealthMe based on reports of 42 people who take the same drugs from the FDA, and is updated regularly.

What is Guaifenesin?

Guaifenesin has active ingredients of guaifenesin. It is often used in cough. eHealthMe is studying from 12,106 Guaifenesin users. Check the latest studies of Guaifenesin.

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.

On Aug, 11, 2026

42 people who take Guaifenesin and Tarceva together, and have interactions are studied.

Guaifenesin and Tarceva drug interactions.

What are the common drug interactions of Guaifenesin and Tarceva, by gender? *:

female:

Skin fissures (a crack in the skin)
Suicidal ideation
Tinnitus (a ringing in the ears)
Tooth disorder (tooth disease)
Tooth injury
Tooth loss
Trichorrhexis (a condition in which the hairs break)
Vertigo
Vestibular disorder (disorders of the body's balance (vestibular) system in the inner ear)
Vth nerve injury

male:

Death
Rash
Tinea cruris (an infection of the groin caused by a fungus)
Tinea pedis (a contagious skin infection caused by the ringworm fungus)
Abdominal pain
Abdominal pain upper
Drooling (drop saliva uncontrollably from the mouth)
Tremor (trembling or shaking movements in one or more parts of your body)
Acute myocardial infarction (acute heart attack)
Acute pulmonary oedema (sudden deposit of fluid in the lung))

What are the common drug interactions of Guaifenesin and Tarceva, 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:

Back pain
Dysphonia (speech disorder attributable to a disorder of phonation)
Face injury
Hand fracture
Head injury
Incontinence (lack of moderation or self-control)
Intervertebral disc protrusion (spinal disc protrusion)
Jaw fracture
Localised infection (infection at the single location)
Muscle spasms (muscle contraction)

50-59:

Abdominal pain upper
Death
Diarrhoea
Rash

60+:

Colitis (inflammation of colon)
Pancreatitis (inflammation of pancreas)
Pyrexia (fever)
Tremor (trembling or shaking movements in one or more parts of your body)
Aortic aneurysm (enlargement of an aortic artery caused by a weakening of the artery wall)
Asthenia (weakness)
Brain neoplasm (tumour of brain)
Bronchial secretion retention
Colon cancer
Cystitis interstitial (unknown cause characterized by bladder pain)

What are the existing conditions these people have? *

Lung Neoplasm Malignant (cancer tumour of lung): 22 people, 52.38%
Lung Cancer - Non-Small Cell (lung cancer): 6 people, 14.29%
Sinusitis (inflammation of sinus): 5 people, 11.90%
Non-Small Cell Lung Cancer Metastatic (type of epithelial lung cancer spreads to other parts): 5 people, 11.90%
Metastases To Bone (cancer spreads to bone): 4 people, 9.52%
Vestibular Disorder (disorders of the body's balance (vestibular) system in the inner ear): 3 people, 7.14%
Urinary Incontinence (inability to control the flow of urine and involuntary urination): 3 people, 7.14%
Tinnitus (a ringing in the ears): 3 people, 7.14%
Panic Disorder: 3 people, 7.14%
Neoplasm Malignant (cancer tumour): 3 people, 7.14%

* Approximation only. Some reports may have incomplete information.

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