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

Summary:

Drug interactions are reported among people who take Colcrys (colchicine) and Robaxin (methocarbamol). Common drug interactions include behcet's syndrome among females and international normalised ratio increased among males.

The phase IV clinical study analyzes what interactions people have when they take Colcrys and Robaxin. It is created by eHealthMe based on reports of 36 people who take the same drugs from the FDA, and is updated regularly.

What is Colcrys?

Colcrys has active ingredients of colchicine. It is often used in gout. eHealthMe is studying from 4,546 Colcrys users. Check the latest studies of Colcrys.

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.

On Jul, 09, 2026

36 people who take Colcrys and Robaxin together, and have interactions are studied.

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

female:

Behcet's syndrome (involves inflammation of the blood vessels)
Carbon dioxide increased
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)
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Decreased appetite
Disturbance in attention
Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
Essential hypertension (primary hypertension)
Fibromyalgia (a long-term condition which causes pain all over the body)
Fungal infection

male:

International normalised ratio increased
Acute respiratory failure
Dyspnoea exertional (breathlessness or shortness of breath)
Escherichia bacteraemia (presence of bacteria escherichia coli in the blood)
Fluid overload (too much fluid in the blood)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Hydronephrosis (water inside the kidney)
Hyperglycaemia (high blood sugar)
Hyperphosphataemia (electrolyte disturbance in which there is an abnormally elevated level of phosphate in the blood)
Hypertension (high blood pressure)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Rheumatoid arthritis (a chronic progressive disease causing inflammation in the joints)
Abasia (inability to walk)
Abdominal discomfort
Anger
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Behcet's syndrome (involves inflammation of the blood vessels)
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)
Disturbance in attention
Drug ineffective
Dyskinesia (abnormality or impairment of voluntary movement)

40-49:

Tooth infection
Ear pruritus (pruritus or itching is ""the unpleasant skin sensation that frequently provokes scratching"" in ear)
Eye pruritus (eye itching)
Cellulitis (infection under the skin)
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)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Fungal infection
Pulmonary embolism (blockage of the main artery of the lung)
Sepsis (a severe blood infection that can lead to organ failure and death)
Staphylococcal infection (an infection with staphylococcus bacteria)

50-59:

Anxiety
Depression
Drug hypersensitivity
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Nausea (feeling of having an urge to vomit)
Pain
Abdominal discomfort
Abdominal distension
Abdominal pain upper
Alopecia (absence of hair from areas of the body)

60+:

Chronic kidney disease
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Bladder spasm
Carbon dioxide increased
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Constipation
Cytomegalovirus infection
Drug ineffective
Dyspnoea exertional (breathlessness or shortness of breath)
Escherichia bacteraemia (presence of bacteria escherichia coli in the blood)

What are the existing conditions these people have? *

Pain: 14 people, 38.89%
Immunodeficiency Common Variable: 14 people, 38.89%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 19.44%
Nausea (feeling of having an urge to vomit): 5 people, 13.89%
Osteoporosis (bones weak and more likely to break): 4 people, 11.11%
High Blood Pressure: 4 people, 11.11%
Fibromyalgia (a long-term condition which causes pain all over the body): 4 people, 11.11%
Renal Disorder (kidney disease): 3 people, 8.33%
Neuralgia (pain in one or more nerves): 3 people, 8.33%
Irritable Bowel Syndrome: 3 people, 8.33%

* Approximation only. Some reports may have incomplete information.

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