Valacyclovir and Doxylamine succinate drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Valacyclovir (valacyclovir hydrochloride) and Doxylamine succinate (doxylamine succinate). Common drug interactions include uterine infection among females and bronchitis among males.

The phase IV clinical study analyzes what interactions people have when they take Valacyclovir and Doxylamine succinate. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

What is Valacyclovir?

Valacyclovir has active ingredients of valacyclovir hydrochloride. It is often used in genital herpes. eHealthMe is studying from 42,107 Valacyclovir users. Check the latest studies of Valacyclovir.

What is Doxylamine succinate?

Doxylamine succinate has active ingredients of doxylamine succinate. It is often used in insomnia. eHealthMe is studying from 2,851 Doxylamine succinate users. Check the latest studies of Doxylamine succinate.

On Jul, 22, 2026

15 people who take Valacyclovir and Doxylamine succinate together, and have interactions are studied.

Valacyclovir and Doxylamine succinate drug interactions.

What are the common drug interactions of Valacyclovir and Doxylamine Succinate, by gender? *:

female:

Uterine infection
Pruritus (severe itching of the skin)
Vulvovaginal mycotic infection (vulvovaginal fungal infection)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Cough
Erythema (redness of the skin)
Fatigue (feeling of tiredness)
Influenza
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Paranasal sinus discomfort

male:

Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Constipation
Febrile neutropenia (fever with reduced white blood cells)
Pneumonia
Pulmonary embolism (blockage of the main artery of the lung)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Pancreatitis (inflammation of pancreas)

30-39:

Sinusitis (inflammation of sinus)
Fungal infection
Headache (pain in head)
Mastitis (inflammation of breast)
Uterine infection
Pruritus (severe itching of the skin)
Vulvovaginal mycotic infection (vulvovaginal fungal infection)
Cough
Erythema (redness of the skin)
Fatigue (feeling of tiredness)

40-49:

Pneumonia

50-59:

n/a

60+:

Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Constipation
Pulmonary oedema (fluid accumulation in the lungs)
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Febrile neutropenia (fever with reduced white blood cells)
Metastatic neoplasm (spreadable cancer tumour)
Pneumonia
Pulmonary embolism (blockage of the main artery of the lung)

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 7 people, 46.67%
Immunodeficiency Common Variable: 6 people, 40.00%
Immunodeficiency: 2 people, 13.33%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 6.67%
Cough: 1 person, 6.67%
Cystic Fibrosis (disease of the secretary glands): 1 person, 6.67%
Cystic Fibrosis Lung (fibrosis with cyst in the lung): 1 person, 6.67%
Depression: 1 person, 6.67%
Dysmenorrhea (painful menstruation): 1 person, 6.67%
Vulvovaginal Candidiasis (vulvovaginal infection by fungi): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

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