Stadol and Thorazine drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Stadol (butorphanol tartrate) and Thorazine (chlorpromazine hydrochloride). Common drug interactions include maternal exposure during pregnancy among females and amnesia among males.

The phase IV clinical study analyzes what interactions people have when they take Stadol and Thorazine. It is created by eHealthMe based on reports of 20 people who take the same drugs from the FDA, and is updated regularly.

What is Stadol?

Stadol has active ingredients of butorphanol tartrate. It is often used in migraine. eHealthMe is studying from 5,546 Stadol users. Check the latest studies of Stadol.

What is Thorazine?

Thorazine has active ingredients of chlorpromazine hydrochloride. It is often used in bipolar disorder. eHealthMe is studying from 3,237 Thorazine users. Check the latest studies of Thorazine.

On Aug, 11, 2026

20 people who take Stadol and Thorazine together, and have interactions are studied.

What are the common drug interactions of Stadol and Thorazine, by gender? *:

female:

Maternal exposure during pregnancy (use of substance during pregnancy)
Muscle spasms (muscle contraction)
Muscle strain (an injury to a muscle in which the muscle fibres tear)
Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
Nerve injury
Nervousness
Neuropathy peripheral (surface nerve damage)
Nightmare (unpleasant dream)
Oedema peripheral (superficial swelling)
Oesophageal perforation (hole in oesophagus)

male:

Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Anxiety
Hallucination (an experience involving the perception of something not present)
Hepatic function abnormal
Hostility
Lethargy (tiredness)
Pain
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Social avoidant behaviour (avoiding social connection a personality disorder)
Suicidal ideation

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Dependence

30-39:

Muscle spasms (muscle contraction)
Muscle strain (an injury to a muscle in which the muscle fibres tear)
Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
Nerve injury
Nervousness
Neuropathy peripheral (surface nerve damage)
Oedema peripheral (superficial swelling)
Oesophageal perforation (hole in oesophagus)
Pain
Palpitations (feelings or sensations that your heart is pounding or racing)

40-49:

Dependence
Drug addiction
Depression
Disturbance in attention
Drug dependence
Drug hypersensitivity
Fatigue (feeling of tiredness)
Hallucination (an experience involving the perception of something not present)
Hepatic function abnormal
Hostility

50-59:

n/a

60+:

n/a

What are the existing conditions these people have? *

Tension Headache: 1 person, 5.00%
Pain: 1 person, 5.00%
Headache (pain in head): 1 person, 5.00%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 1 person, 5.00%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 5.00%
Back Pain: 1 person, 5.00%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

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