Hydramine and Prevymis drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Hydramine (diphenhydramine hydrochloride) and Prevymis (letermovir). Common drug interactions include dizziness among females and aplastic anaemia among males.

The phase IV clinical study analyzes what interactions people have when they take Hydramine and Prevymis. It is created by eHealthMe based on reports of 23 people who take the same drugs from the FDA, and is updated regularly.

What is Hydramine?

Hydramine has active ingredients of diphenhydramine hydrochloride. It is often used in insomnia. eHealthMe is studying from 114,900 Hydramine users. Check the latest studies of Hydramine.

What is Prevymis?

Prevymis has active ingredients of letermovir. eHealthMe is studying from 1,328 Prevymis users. Check the latest studies of Prevymis.

On Jul, 27, 2026

23 people who take Hydramine and Prevymis together, and have interactions are studied.

Hydramine and Prevymis drug interactions.

What are the common drug interactions of Hydramine and Prevymis, by gender? *:

female:

Dizziness
Feeling hot
Pyrexia (fever)
Viral infection
Bacterial infection
Catheter site infection (infection at the site of insertion)
Eye pruritus (eye itching)
Eyelid margin crusting (crusting at the lid margins, generally worse on waking)
Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)
Impaired healing

male:

Aplastic anaemia (blood disorder in which the body's bone marrow doesn't make enough new blood cells)
Febrile neutropenia (fever with reduced white blood cells)
Mucosal inflammation (infection of mucous membrane)
Pneumonia
Body temperature increased
Fatigue (feeling of tiredness)
Full blood count increased
Hernia (hernia happens when part of an internal organ or tissue bulges through a weak area of muscle)
Nasopharyngitis (inflammation of the nasopharynx)

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

0-1:

n/a

2-9:

n/a

10-19:

Aplastic anaemia (blood disorder in which the body's bone marrow doesn't make enough new blood cells)
Febrile neutropenia (fever with reduced white blood cells)
Mucosal inflammation (infection of mucous membrane)

20-29:

n/a

30-39:

n/a

40-49:

Bacterial infection
Blood glucose decreased
Catheter site infection (infection at the site of insertion)
Dizziness
Eye pruritus (eye itching)
Eyelid margin crusting (crusting at the lid margins, generally worse on waking)
Feeling hot
Gastroenteritis viral (inflammation of stomach and intestine caused by virus infection)
Impaired healing
Lung disorder (lung disease)

50-59:

Anxiety
Constipation
Cytomegalovirus test positive
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Dyspnoea (difficult or laboured respiration)
Embolism (obstruction of an artery, typically by a clot of blood or an air bubble)
Escherichia bacteraemia (presence of bacteria escherichia coli in the blood)
Fatigue (feeling of tiredness)
Hypercholesterolaemia (high levels of cholesterol in the blood)
Malnutrition (a condition that results from eating a diet in which certain nutrients are lacking)

60+:

Bk virus infection
Death
Pericardial effusion (fluid around the heart)
Platelet count decreased
Pleural effusion (water on the lungs)
Post procedural complication
Somnolence (a state of near-sleep, a strong desire for sleep)
Tooth abscess (pus formation in tooth)
Viral infection
Weight decreased

What are the existing conditions these people have? *

Thrombocytopenia (decrease of platelets in blood): 7 people, 30.43%
Cytomegalovirus Infection: 7 people, 30.43%
Immunodeficiency Common Variable: 6 people, 26.09%
Lymphocytic Leukaemia (a type of cancer in which the bone marrow makes too many lymphocytes): 4 people, 17.39%
Nausea (feeling of having an urge to vomit): 4 people, 17.39%
Immunodeficiency: 4 people, 17.39%
Irritable Bowel Syndrome: 3 people, 13.04%
Febrile Neutropenia (fever with reduced white blood cells): 3 people, 13.04%
High Blood Pressure: 3 people, 13.04%
Hyperglycemia (high blood sugar): 3 people, 13.04%

* Approximation only. Some reports may have incomplete information.

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