Focalin and Methocarbamol drug interactions - a phase IV clinical study of FDA data
Summary:
Drug interactions are reported among people who take Focalin (dexmethylphenidate hydrochloride) and Methocarbamol (methocarbamol). Common drug interactions include head discomfort among females.
The phase IV clinical study analyzes what interactions people have when they take Focalin and Methocarbamol. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.
What is Focalin?
Focalin has active ingredients of dexmethylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 4,781 Focalin users. Check the latest studies of Focalin.
What is Methocarbamol?
Methocarbamol has active ingredients of methocarbamol. It is often used in muscle spasms. eHealthMe is studying from 17,766 Methocarbamol users. Check the latest studies of Methocarbamol.
15 people who take Focalin and Methocarbamol together, and have interactions are studied.

What are the common drug interactions of Focalin and Methocarbamol, by gender? *:
female:
- Head discomfort
- Abdominal pain
- Hepatitis b
- Hypoaesthesia (reduced sense of touch or sensation)
- Intestinal obstruction
- Muscular weakness (muscle weakness)
- Nausea (feeling of having an urge to vomit)
- Overgrowth bacterial (extra growth due to bacteria)
- Postural orthostatic tachycardia syndrome (abnormal increase in heart rate on becoming upright)
- Rash macular (small, flat red spots)
male:
n/a
What are the common drug interactions of Focalin and Methocarbamol, by age (0-1 to 60+)? *:
0-1:
n/a
2-9:
n/a
10-19:
n/a
20-29:
n/a
30-39:
- Fall
- Fatigue (feeling of tiredness)
- Gait disturbance
- Gastrointestinal disorder (functional problems of gastrointestinal tract)
- Headache (pain in head)
- Hepatic enzyme increased
- Hepatitis b
- Hypoaesthesia (reduced sense of touch or sensation)
- Intestinal obstruction
- Muscular weakness (muscle weakness)
40-49:
- Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
- Cough
- Malaise (a feeling of general discomfort or uneasiness)
- Nasopharyngitis (inflammation of the nasopharynx)
- Osteopenia (a condition where bone mineral density is lower than normal)
- Surgery
50-59:
n/a
60+:
n/a
What are the existing conditions these people have? *
- Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 7 people, 46.67%
- Cataplexy (loss of muscle tone accompanied by full conscious awareness): 7 people, 46.67%
- Immunodeficiency Common Variable: 6 people, 40.00%
- Micturition Urgency (urgency to pass the urine): 1 person, 6.67%
- High Blood Pressure: 1 person, 6.67%
* Approximation only. Some reports may have incomplete information.
Do you take Focalin and Methocarbamol?
- 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:
- Focalin (4,781 reports)
- Methocarbamol (17,766 reports)
Browse all drug interactions of Focalin and Methocarbamol:
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 zSub-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 Focalin:
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 zBrowse all side effects of Methocarbamol:
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 zBrowse all interactions between Focalin 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 zBrowse all interactions between Methocarbamol 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 zHow the study uses the data?
The study uses data from the FDA. It is based on dexmethylphenidate hydrochloride and methocarbamol (the active ingredients of Focalin and Methocarbamol, respectively), and Focalin and Methocarbamol (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.
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