Valtrex and Geodon drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Valtrex (valacyclovir hydrochloride) and Geodon (ziprasidone hydrochloride). Common drug interactions include diabetes mellitus inadequate control among females and somnolence among males.

The phase IV clinical study analyzes what interactions people have when they take Valtrex and Geodon. It is created by eHealthMe based on reports of 83 people who take the same drugs from the FDA, and is updated regularly.

What is Valtrex?

Valtrex has active ingredients of valacyclovir hydrochloride. It is often used in genital herpes. eHealthMe is studying from 40,000 Valtrex users. Check the latest studies of Valtrex.

What is Geodon?

Geodon has active ingredients of ziprasidone hydrochloride. It is often used in bipolar disorder. eHealthMe is studying from 19,505 Geodon users. Check the latest studies of Geodon.

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, 30, 2026

83 people who take Valtrex and Geodon together, and have interactions are studied.

Valtrex and Geodon drug interactions.

What are the common drug interactions of Valtrex and Geodon, by gender? *:

female:

  1. Diabetes mellitus inadequate control
  2. Dysgraphia (impaired ability to learn to write)
  3. Gastrointestinal disorder (functional problems of gastrointestinal tract)
  4. Headache (pain in head)
  5. Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
  6. Hyperglycaemia (high blood sugar)
  7. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development)
  8. Irritability
  9. Localised infection (infection at the single location)
  10. Loss of consciousness

male:

  1. Somnolence (a state of near-sleep, a strong desire for sleep)
  2. Weight decreased
  3. Dyspepsia (indigestion)
  4. Hypoaesthesia (reduced sense of touch or sensation)
  5. Memory impairment
  6. Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
  7. Akathisia (a movement disorder characterized by a feeling of inner restlessness)
  8. Suicide attempt
  9. Abdominal pain upper
  10. Adverse event

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Pancreatitis (inflammation of pancreas)
  2. Pancreatitis acute (sudden inflammation of pancreas)
  3. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  4. Abdominal pain
  5. Anxiety
  6. Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
  7. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  8. Emotional distress
  9. Gallbladder disorder
  10. Injury

30-39:

  1. Suicidal ideation
  2. Obesity (having too much body fat)
  3. Type 2 diabetes mellitus
  4. Blood cholesterol increased
  5. Hyperlipidaemia (presence of excess lipids in the blood)
  6. Weight increased
  7. Dyslipidaemia (abnormal amount of lipids)
  8. Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
  9. Anxiety
  10. Death

40-49:

  1. Anxiety
  2. Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
  3. Discomfort
  4. Dysphagia (a condition in which swallowing is difficult or painful)
  5. Blood cholesterol increased
  6. Weight increased
  7. Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
  8. Oesophageal stenosis (narrowing of oesophagus)
  9. Pulmonary embolism (blockage of the main artery of the lung)
  10. Aphasia (damage to the parts of the brain that control language)

50-59:

  1. Tremor (trembling or shaking movements in one or more parts of your body)
  2. Type 2 diabetes mellitus
  3. Upper limb fracture
  4. Urticaria (rash of round, red welts on the skin that itch intensely)
  5. Vomiting
  6. Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
  7. Drug ineffective
  8. Death
  9. Paranoia (psychotic disorder characterized by delusions of persecution with or without grandeur)
  10. Anxiety

60+:

  1. Cerebrovascular accident (sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture)
  2. Somnolence (a state of near-sleep, a strong desire for sleep)
  3. Fatigue (feeling of tiredness)
  4. Gait disturbance
  5. Gastrointestinal disorder (functional problems of gastrointestinal tract)
  6. Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
  7. Insomnia (sleeplessness)
  8. Irritability
  9. Loss of consciousness
  10. Mobility decreased (ability to move is reduced)

What are the existing conditions these people have? *

  1. Depression: 22 people, 26.51%
  2. Stress And Anxiety: 13 people, 15.66%
  3. Sleep Disorder: 10 people, 12.05%
  4. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 7 people, 8.43%
  5. High Blood Cholesterol: 7 people, 8.43%
  6. Hypersensitivity: 5 people, 6.02%
  7. Headache (pain in head): 5 people, 6.02%
  8. Fibromyalgia (a long-term condition which causes pain all over the body): 5 people, 6.02%
  9. Asthma: 5 people, 6.02%

* Approximation only. Some reports may have incomplete information.

Do you take Valtrex and Geodon?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Valtrex and Geodon:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Valtrex:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Geodon:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Valtrex and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Geodon and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

How the study uses the data?

The study uses data from the FDA. It is based on valacyclovir hydrochloride and ziprasidone hydrochloride (the active ingredients of Valtrex and Geodon, respectively), and Valtrex and Geodon (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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