Acyclovir and Lactase drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Acyclovir (acyclovir) and Lactase (lactase). Common drug interactions include clostridium difficile colitis among females and pneumonitis among males.

The phase IV clinical study analyzes what interactions people have when they take Acyclovir and Lactase. It is created by eHealthMe based on reports of 28 people who take the same drugs from the FDA, and is updated regularly.

What is Acyclovir?

Acyclovir has active ingredients of acyclovir. It is often used in herpes simplex. eHealthMe is studying from 54,961 Acyclovir users. Check the latest studies of Acyclovir.

What is Lactase?

Lactase has active ingredients of lactase. It is often used in lactose intolerance. eHealthMe is studying from 948 Lactase users. Check the latest studies of Lactase.

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, 18, 2026

28 people who take Acyclovir and Lactase together, and have interactions are studied.

Acyclovir and Lactase drug interactions.

What are the common drug interactions of Acyclovir and Lactase, by gender? *:

female:

Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
Colitis (inflammation of colon)
Cytokine release syndrome (immediate complication occurring with the use of anti-t cell antibody infusions)
Subdural haematoma (blood collects between the skull and the surface of the brain)
Tumour lysis syndrome (a group of metabolic complications that can occur after treatment of cancer, these complications are caused by the breakdown products of dying cancer cells)
Fatigue (feeling of tiredness)
Neurotoxicity (when the exposure to natural or artificial toxic substances, which are called neurotoxins, alters the normal activity of the nervous system)
Diarrhoea
Eczema (patches of skin become rough and inflamed, with itching and bleeding blisters)
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)

male:

Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Loss of consciousness
Heart rate decreased
Hospitalisation
Oral candidiasis (fungal infection of mouth)
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Personality change
Platelet count decreased
Prostatic specific antigen increased
Pulmonary thrombosis (scarring in the lungs)

What are the common drug interactions of Acyclovir and Lactase, 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:

Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Gout (uric acid crystals building up in the body)
Rash

60+:

Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
Colitis (inflammation of colon)
Diarrhoea
Loss of consciousness
Cardiac failure
Adverse event
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Dizziness
Drug dependence
Dyspnoea (difficult or laboured respiration)

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 20 people, 71.43%
Nausea (feeling of having an urge to vomit): 5 people, 17.86%
Constipation: 4 people, 14.29%
Weight Loss: 3 people, 10.71%
High Blood Pressure: 3 people, 10.71%
Adverse Event: 3 people, 10.71%
Allergic Rhinitis: 3 people, 10.71%
Asthma: 3 people, 10.71%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 3 people, 10.71%
Depression: 3 people, 10.71%

* Approximation only. Some reports may have incomplete information.

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