Naltrexone and Ritalin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Naltrexone (naltrexone) and Ritalin (methylphenidate hydrochloride). Common drug interactions include hypoaesthesia among females and sexual dysfunction among males.

The phase IV clinical study analyzes what interactions people have when they take Naltrexone and Ritalin. It is created by eHealthMe based on reports of 86 people who take the same drugs from the FDA, and is updated regularly.

What is Naltrexone?

Naltrexone has active ingredients of naltrexone. eHealthMe is studying from 4,835 Naltrexone users. Check the latest studies of Naltrexone.

What is Ritalin?

Ritalin has active ingredients of methylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 29,427 Ritalin users. Check the latest studies of Ritalin.

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 Sep, 02, 2026

86 people who take Naltrexone and Ritalin together, and have interactions are studied.

Naltrexone and Ritalin drug interactions.

What are the common drug interactions of Naltrexone and Ritalin, by gender? *:

female:

  1. Hypoaesthesia (reduced sense of touch or sensation)
  2. Mental disorder (a psychological term for a mental or behavioural pattern or anomaly that causes distress or disability)
  3. Panic disorder
  4. Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
  5. Peripheral swelling
  6. Respiratory syncytial virus infection (viral disease of respiratory system)
  7. Sensitivity of teeth
  8. Sjogren's syndrome (a disease that causes dryness in the mouth and eyes)
  9. Stress
  10. Tooth extraction

male:

  1. Sexual dysfunction (difficulty experienced by an individual or a couple during any stage of a normal sexual activity)
  2. Obsessive-compulsive disorder (an anxiety disorder characterized by intrusive thoughts that produce uneasiness, apprehension, fear, or worry;)
  3. Surgery
  4. Weight increased
  5. Appendicitis (inflammation of the appendix)
  6. Apnoea (suspension of external breathing)
  7. Bipolar disorder (mood disorder)
  8. Blood pressure increased
  9. Cardiac disorder
  10. Cartilage injury

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

  1. Anxiety
  2. Infertility male
  3. Pain
  4. Pyrexia (fever)
  5. Suicidal ideation

30-39:

  1. Fluid retention (an abnormal accumulation of fluid in the blood)
  2. Psoriatic arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop)
  3. Diarrhoea
  4. Drug hypersensitivity
  5. Nausea (feeling of having an urge to vomit)
  6. Cardiac failure
  7. Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
  8. Respiratory syncytial virus infection (viral disease of respiratory system)
  9. Vomiting
  10. Hypersensitivity

40-49:

  1. Fatigue (feeling of tiredness)
  2. Sinusitis (inflammation of sinus)
  3. Gastric bypass
  4. Infusion site discomfort
  5. Infusion site induration
  6. Infusion site swelling
  7. Urinary tract infection
  8. Acne (skin problems that cause pimples)
  9. Alcoholism (problems with alcohol)
  10. Anxiety

50-59:

  1. Peripheral swelling
  2. Sensitivity of teeth
  3. Sjogren's syndrome (a disease that causes dryness in the mouth and eyes)
  4. Sleep apnoea syndrome (a sleep-related disorder in which the effort to breathe is diminished or absent)
  5. Withdrawal syndrome (a discontinuation syndrome is a set of symptoms occurred due to discontinuation of substance)
  6. Autonomic nervous system imbalance (autonomic nervous system is of net equal emphasis)
  7. Basal cell carcinoma (a skin cancer, it rarely metastasizes or kills)
  8. 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)
  9. Compulsive shopping
  10. Confusional state

60+:

  1. Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
  2. Abdominal pain
  3. Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
  4. Carbon dioxide increased
  5. Chest pain
  6. Chronic kidney disease
  7. Chronic sinusitis (long lasting inflammation of the paranasal sinuses)
  8. Cough
  9. Cystitis (inflammation of the wall of the bladder)
  10. Diabetes mellitus inadequate control

What are the existing conditions these people have? *

  1. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 56 people, 65.12%
  2. Cataplexy (loss of muscle tone accompanied by full conscious awareness): 41 people, 47.67%
  3. Psoriatic Arthropathy (inflammation of the skin and joints with kin condition which typically causes patches (plaques) of red, scaly skin to develop): 10 people, 11.63%
  4. Immunodeficiency Common Variable: 8 people, 9.30%
  5. Hypogammaglobulinaemia (an abnormally low concentration of gamma globulin in the blood and increased risk of infection): 6 people, 6.98%
  6. Chronic Inflammatory Demyelinating Polyradiculoneuropathy (long lasting infection of nerves outside brain and spinal cord): 5 people, 5.81%

* Approximation only. Some reports may have incomplete information.

Do you take Naltrexone and Ritalin?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously



Related studies:

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

Browse all drug interactions of Naltrexone and Ritalin:

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 Naltrexone:

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 Ritalin:

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 Naltrexone 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 Ritalin 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

Related publications that referenced our studies


How the study uses the data?

The study uses data from the FDA. It is based on naltrexone and methylphenidate hydrochloride (the active ingredients of Naltrexone and Ritalin, respectively), and Naltrexone and Ritalin (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.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.



Recent studies on eHealthMe: