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

Summary:

Drug interactions are reported among people who take Cytosar-u (cytarabine) and Acyclovir (acyclovir). Common drug interactions include bradycardia among females and diarrhoea among males.

The phase IV clinical study analyzes what interactions people have when they take Cytosar-u and Acyclovir. It is created by eHealthMe based on reports of 14 people who take the same drugs from the FDA, and is updated regularly.

What is Cytosar-u?

Cytosar-u has active ingredients of cytarabine. eHealthMe is studying from 586 Cytosar-u users. Check the latest studies of Cytosar-u.

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.

On Jul, 31, 2026

14 people who take Cytosar-u and Acyclovir together, and have interactions are studied.

Cytosar-u and Acyclovir drug interactions.

What are the common drug interactions of Cytosar-U and Acyclovir, by gender? *:

female:

Bradycardia (abnormally slow heart action)
Blood phosphate decreased
Cardiac failure congestive
Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
Dyspnoea exertional (breathlessness or shortness of breath)
Gingival bleeding (bleeding gums)
Haematemesis (vomiting of blood)
Haemorrhage (bleeding)
Headache (pain in head)
Injection site pain

male:

Diarrhoea
Headache (pain in head)
Joint swelling
Mucosal inflammation (infection of mucous membrane)
Myalgia (muscle pain)
Pulmonary oedema (fluid accumulation in the lungs)
Subarachnoid haemorrhage (blood leaks into the space between two membranes that surround the brain)
Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Abdominal pain
Pain

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Asthenia (weakness)
Back pain
Bone marrow depression (decreased ability or inability of the bone marrow to produce blood cells)
Bronchopulmonary aspergillosis (lung disorder caused by aspergillus fungi)
Cardio-respiratory arrest (sudden dysfunction of heart and lungs)
Cushing's syndrome (obesity, a rounded face, increased fat)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Gastritis erosive (a break in the surface layer of the membrane lining the stomach with infection)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Graft dysfunction

30-39:

Abdominal pain
Abdominal rigidity
Abdominal tenderness
Colitis (inflammation of colon)
Diarrhoea
Diarrhoea haemorrhagic (bloody diarrhoea)
Hypotension (abnormally low blood pressure)
Intestinal perforation (complete penetration of the wall of the intestine)
Pain

40-49:

Agitation (state of anxiety or nervous excitement)
Blood pressure decreased
Blood pressure increased
Convulsions (muscles contract and relax rapidly and repeatedly, resulting in an uncontrolled of muscles contract and relax rapidly and repeatedly)
Fall
Fatigue (feeling of tiredness)
Headache (pain in head)
Hemiparesis (weakness on one side of the body)
Hypoglycaemia (deficiency of glucose in the bloodstream)
Mental status changes (general changes in brain function, such as confusion, amnesia (memory loss), loss of alertness, loss of orientation)

50-59:

Diarrhoea
Hypotension (abnormally low blood pressure)
Insomnia (sleeplessness)
Oropharyngeal pain
Syncope (loss of consciousness with an inability to maintain postural tone)
Abdominal pain
Chills (felling of cold)
Epididymitis (pain in the scrotum or testicle)
Febrile neutropenia (fever with reduced white blood cells)
Gingival bleeding (bleeding gums)

60+:

Blood phosphate decreased
Cardiac failure congestive
Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
Dyspnoea exertional (breathlessness or shortness of breath)
Oxygen saturation decreased
Pruritus (severe itching of the skin)
Pulmonary oedema (fluid accumulation in the lungs)
Rash erythematous (redness of the skin)

What are the existing conditions these people have? *

Nausea (feeling of having an urge to vomit): 3 people, 21.43%
Acute Myeloid Leukaemia (acute cancer in which the bone marrow makes abnormal myeloblasts): 3 people, 21.43%
Pain: 2 people, 14.29%

* Approximation only. Some reports may have incomplete information.

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