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

Summary:

Drug interactions are reported among people who take Benzamycin (benzoyl peroxide; erythromycin) and Valacyclovir (valacyclovir hydrochloride). Common drug interactions include blood pressure decreased among females.

The phase IV clinical study analyzes what interactions people have when they take Benzamycin and Valacyclovir. It is created by eHealthMe based on reports of 21 people who take the same drugs from the FDA, and is updated regularly.

What is Benzamycin?

Benzamycin has active ingredients of benzoyl peroxide; erythromycin. It is often used in acne. eHealthMe is studying from 309 Benzamycin users. Check the latest studies of Benzamycin.

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.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 20, 2026

21 people who take Benzamycin and Valacyclovir together, and have interactions are studied.

Benzamycin and Valacyclovir drug interactions.

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

female:

Blood pressure decreased
Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
Oral candidiasis (fungal infection of mouth)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Sluggishness (lacking alertness)
Weight decreased
Hypotension (abnormally low blood pressure)
Cellulitis (infection under the skin)
Folliculitis (infection of hair root)
Pyrexia (fever)

male:

n/a

What are the common drug interactions of Benzamycin and Valacyclovir, 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:

n/a

50-59:

Blood pressure decreased
Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
Oral candidiasis (fungal infection of mouth)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Sluggishness (lacking alertness)
Weight decreased
Hypotension (abnormally low blood pressure)
Cellulitis (infection under the skin)
Folliculitis (infection of hair root)
Pyrexia (fever)

60+:

n/a

What are the existing conditions these people have? *

Indigestion: 21 people, 100.00%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 21 people, 100.00%
Nausea (feeling of having an urge to vomit): 18 people, 85.71%
Pain: 5 people, 23.81%
Hypersensitivity: 5 people, 23.81%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 5 people, 23.81%
Stress And Anxiety: 3 people, 14.29%
Rashes (redness): 3 people, 14.29%
Oral Herpes (viral infection of mouth): 3 people, 14.29%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 14.29%

* Approximation only. Some reports may have incomplete information.

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