Benadryl and Terconazole drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Benadryl (diphenhydramine hydrochloride) and Terconazole (terconazole). Common drug interactions include urinary tract infection among females.

The phase IV clinical study analyzes what interactions people have when they take Benadryl and Terconazole. It is created by eHealthMe based on reports of 56 people who take the same drugs from the FDA, and is updated regularly.

What is Benadryl?

Benadryl has active ingredients of diphenhydramine hydrochloride. It is often used in allergies. eHealthMe is studying from 104,954 Benadryl users. Check the latest studies of Benadryl.

What is Terconazole?

Terconazole has active ingredients of terconazole. It is often used in vaginal yeast infection. eHealthMe is studying from 1,004 Terconazole users. Check the latest studies of Terconazole.

On Jul, 08, 2026

56 people who take Benadryl and Terconazole together, and have interactions are studied.

Benadryl and Terconazole drug interactions.

What are the common drug interactions of Benadryl and Terconazole, by gender? *:

female:

Urinary tract infection
Upper respiratory tract infection
Nausea (feeling of having an urge to vomit)
Anaemia (lack of blood)
Conjunctivitis viral (infection of conjunctiva by virus)
Dyspnoea (difficult or laboured respiration)
Gastritis (inflammation of stomach)
Herpes zoster
Pain
Urticaria (rash of round, red welts on the skin that itch intensely)

male:

n/a

What are the common drug interactions of Benadryl and Terconazole, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Anaemia (lack of blood)
Asthenia (weakness)
Conjunctivitis viral (infection of conjunctiva by virus)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Nausea (feeling of having an urge to vomit)
Urinary tract infection
Vomiting
Food poisoning (poison in food)
Gastritis (inflammation of stomach)
Herpes zoster

30-39:

Haemorrhage (bleeding)
Staphylococcal infection (an infection with staphylococcus bacteria)
Cholecystitis chronic (long lasting infection of gallbladder)
Chronic kidney disease
Contusion (a type of hematoma of tissue in which capillaries)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Diarrhoea
Fungal infection
Injection site pain
Pulmonary embolism (blockage of the main artery of the lung)

40-49:

Sinusitis (inflammation of sinus)
Upper respiratory tract infection
Urinary tract infection
Kidney infection
Bacterial infection
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Dermatitis contact (skin reaction (dermatitis) resulting from exposure to allergens)
Ear infection
Fatigue (feeling of tiredness)
Influenza

50-59:

Lymphocyte count increased
Malaise (a feeling of general discomfort or uneasiness)
Mania (a state of abnormally elevated or irritable mood)
Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability)
Mitral valve incompetence (inefficient heart valve)
Mobility decreased (ability to move is reduced)
Monocyte count decreased
Muscle spasms (muscle contraction)
Muscular weakness (muscle weakness)
Nausea (feeling of having an urge to vomit)

60+:

Chronic kidney disease
Dysphagia (a condition in which swallowing is difficult or painful)
Influenza
Nephrogenic anaemia (anaemia due to kidney disease)
Pyrexia (fever)
Renal failure (kidney dysfunction)
Ventricular fibrillation (abnormally irregular heart rhythm)
Vomiting
Abdominal pain upper
Agitation (state of anxiety or nervous excitement)

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 12 people, 21.43%
Hypersensitivity: 10 people, 17.86%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 9 people, 16.07%
Primary Immunodeficiency Syndrome: 8 people, 14.29%
Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it): 8 people, 14.29%
Pain: 7 people, 12.50%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 7 people, 12.50%
Fungal Infection: 6 people, 10.71%
Infection: 6 people, 10.71%
Rickets (softening of bones): 6 people, 10.71%

* Approximation only. Some reports may have incomplete information.

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