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

Summary:

Drug interactions are reported among people who take Loratadine (loratadine) and Tarceva (erlotinib hydrochloride). Common drug interactions include pollakiuria among females and rash among males.

The phase IV clinical study analyzes what interactions people have when they take Loratadine and Tarceva. It is created by eHealthMe based on reports of 65 people who take the same drugs from the FDA, and is updated regularly.

What is Loratadine?

Loratadine has active ingredients of loratadine. It is often used in allergies. eHealthMe is studying from 56,314 Loratadine users. Check the latest studies of Loratadine.

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, 05, 2026

65 people who take Loratadine and Tarceva together, and have interactions are studied.

Loratadine and Tarceva drug interactions.

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

female:

Pollakiuria (abnormally frequent passage of relatively small quantities or urine)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Urinary retention (the inability to completely or partially empty the bladder)
Pyrexia (fever)
Abdominal pain upper
Acne (skin problems that cause pimples)
Cough
Drug ineffective
Stomatitis (inflammation of mucous membrane of mouth)
Dermatitis acneiform (dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis)

male:

Rash
Fatigue (feeling of tiredness)
Disease progression
Heart rate increased
Abdominal discomfort
Acute pulmonary oedema (sudden deposit of fluid in the lung))
Cerebral haemorrhage (bleeding within the brain)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Eructation (release of gas from the digestive tract)
Fall

What are the common drug interactions of Loratadine 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:

Abdominal pain
Abdominal pain upper
Bladder neck obstruction (a condition in which the bladder neck does not open appropriately or completely during voiding)
Constipation
Death
Dehydration (dryness resulting from the removal of water)
Diarrhoea
Fatigue (feeling of tiredness)
Febrile neutropenia (fever with reduced white blood cells)
Nausea (feeling of having an urge to vomit)

40-49:

Dermatitis acneiform (dermatoses including acne vulgaris, rosacea, folliculitis, and perioral dermatitis)

50-59:

Rash
Sinusitis (inflammation of sinus)
Splenomegaly (enlargement of spleen)
Thrombocytopenia (decrease of platelets in blood)
Fall
Nasal mucosal disorder (disease of mucous membrane)
Rash erythematous (redness of the skin)
Asthenia (weakness)
Cellulitis (infection under the skin)
Death

60+:

Rash
Diarrhoea
Drug ineffective
Hypersensitivity
Tachypnoea (a condition of rapid breathing over 20 per minute)
Urinary tract infection
Abdominal pain upper
Acne (skin problems that cause pimples)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Disease progression

What are the existing conditions these people have? *

Lung Neoplasm Malignant (cancer tumour of lung): 37 people, 56.92%

* Approximation only. Some reports may have incomplete information.

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