Robaxin and Benlysta drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Robaxin (methocarbamol) and Benlysta (belimumab). Common drug interactions include fatigue among females.

The phase IV clinical study analyzes what interactions people have when they take Robaxin and Benlysta. It is created by eHealthMe based on reports of 19 people who take the same drugs from the FDA, and is updated regularly.

What is Robaxin?

Robaxin has active ingredients of methocarbamol. It is often used in muscle spasms. eHealthMe is studying from 9,109 Robaxin users. Check the latest studies of Robaxin.

What is Benlysta?

Benlysta has active ingredients of belimumab. It is often used in systemic lupus erythematosus. eHealthMe is studying from 23,528 Benlysta users. Check the latest studies of Benlysta.

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, 31, 2026

19 people who take Robaxin and Benlysta together, and have interactions are studied.

What are the common drug interactions of Robaxin and Benlysta, by gender? *:

female:

Fatigue (feeling of tiredness)
Joint swelling
Abdominal discomfort
Arthropathy
Chronic lymphocytic leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))
Cough
Decreased appetite
Drug ineffective
Dysgeusia (disorder of the sense of taste)
Hyperhidrosis (abnormally increased sweating)

male:

n/a

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Confusional state
Cough
Hyperhidrosis (abnormally increased sweating)
Laryngitis allergic (inflammation of the larynx - allergic)
Pneumonia
Rash

40-49:

Chronic lymphocytic leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell))
Fatigue (feeling of tiredness)
Sinusitis (inflammation of sinus)
Arthralgia (joint pain)
Cystitis (inflammation of the wall of the bladder)
Herpes zoster
Infection
Joint swelling
Anxiety
Arthritis (form of joint disorder that involves inflammation of one or more joints)

50-59:

Joint swelling
Arthropathy
Cystitis (inflammation of the wall of the bladder)
Decreased appetite
Lymphadenopathy (disease or enlargement of lymph nodes)
Migraine (headache)
Pain
Pain in extremity
Peripheral swelling
Rheumatoid arthritis (a chronic progressive disease causing inflammation in the joints)

60+:

Dysgeusia (disorder of the sense of taste)
Fatigue (feeling of tiredness)
Feeling jittery
Hyperhidrosis (abnormally increased sweating)
Insomnia (sleeplessness)
Migraine (headache)
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Nausea (feeling of having an urge to vomit)
Nervousness
Oropharyngeal pain

What are the existing conditions these people have? *

Hoarseness Or Changing Voice: 1 person, 5.26%
Dyspnea (difficult or laboured breathing): 1 person, 5.26%
Broken Bone: 1 person, 5.26%
Blood Disorder: 1 person, 5.26%

* Approximation only. Some reports may have incomplete information.

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