Gabapentin and Castor drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Gabapentin (gabapentin) and Castor (castor). Common drug interactions include abdominal discomfort among females and blood thyroid stimulating hormone increased among males.

The phase IV clinical study analyzes what interactions people have when they take Gabapentin and Castor. It is created by eHealthMe based on reports of 22 people who take the same drugs from the FDA, and is updated regularly.

What is Gabapentin?

Gabapentin has active ingredients of gabapentin. It is often used in peripheral neuropathy. eHealthMe is studying from 322,990 Gabapentin users. Check the latest studies of Gabapentin.

What is Castor?

Castor has active ingredients of castor. eHealthMe is studying from 241 Castor users. Check the latest studies of Castor.

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

22 people who take Gabapentin and Castor together, and have interactions are studied.

Gabapentin and Castor drug interactions.

What are the common drug interactions of Gabapentin and Castor, by gender? *:

female:

Abdominal discomfort
Back pain
Blood prolactin increased
Cellulitis (infection under the skin)
Chills (felling of cold)
Conjunctivitis (pink eye)
Cystitis (inflammation of the wall of the bladder)
Diarrhoea
Dyspepsia (indigestion)
Erythema (redness of the skin)

male:

Blood thyroid stimulating hormone increased
Dysphagia (a condition in which swallowing is difficult or painful)
C-reactive protein increased
Chills (felling of cold)
Dyspnoea (difficult or laboured respiration)
Food intolerance (inability to have food)
Hunger
Hyperhidrosis (abnormally increased sweating)
Inflammatory marker increased
Malaise (a feeling of general discomfort or uneasiness)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Back pain
Blood prolactin increased
Cellulitis (infection under the skin)
Chills (felling of cold)
Concussion (short loss of normal brain function in response to a head injury)
Conjunctivitis (pink eye)
Constipation
Cystitis (inflammation of the wall of the bladder)
Diarrhoea
Dysarthria (speech disorder)

50-59:

Acute respiratory failure
Pruritus (severe itching of the skin)
Pulmonary toxicity (side effects on the lungs)
Staphylococcal infection (an infection with staphylococcus bacteria)
Thrombosis (formation of a blood clot inside a blood vessel)

60+:

Dysphagia (a condition in which swallowing is difficult or painful)
Nausea (feeling of having an urge to vomit)
Blood lactic acid increased
Blood potassium increased
Blood sodium increased
C-reactive protein increased
Chills (felling of cold)
Fall
Food intolerance (inability to have food)
Hunger

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 5 people, 22.73%
Breast Cancer Female: 5 people, 22.73%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 4 people, 18.18%
Parkinson's Disease: 3 people, 13.64%
High Blood Pressure: 3 people, 13.64%
Dry Skin: 3 people, 13.64%
Type 2 Diabetes: 2 people, 9.09%
Pain: 2 people, 9.09%
Osteoporosis (bones weak and more likely to break): 2 people, 9.09%
Neuralgia (pain in one or more nerves): 2 people, 9.09%

* Approximation only. Some reports may have incomplete information.

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