Phenergan and Ocrevus drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Phenergan (promethazine hydrochloride) and Ocrevus (ocrelizumab). Common drug interactions include alopecia among females and dysphagia among males.

The phase IV clinical study analyzes what interactions people have when they take Phenergan and Ocrevus. It is created by eHealthMe based on reports of 72 people who take the same drugs from the FDA, and is updated regularly.

What is Phenergan?

Phenergan has active ingredients of promethazine hydrochloride. It is often used in nausea. eHealthMe is studying from 25,312 Phenergan users. Check the latest studies of Phenergan.

What is Ocrevus?

Ocrevus has active ingredients of ocrelizumab. eHealthMe is studying from 56,583 Ocrevus users. Check the latest studies of Ocrevus.

On Jul, 11, 2026

72 people who take Phenergan and Ocrevus together, and have interactions are studied.

Phenergan and Ocrevus drug interactions.

What are the common drug interactions of Phenergan and Ocrevus, by gender? *:

female:

Alopecia (absence of hair from areas of the body)
Angle closure glaucoma (term used for several ocular diseases that ultimately result in increased intraocular pressure (iop) and decreased visual acuity)
Blood cholesterol increased
Foot fracture
Glucose tolerance impaired (blood glucose is raised beyond normal levels, but not high enough to warrant a diabetes diagnosis)
Pityriasis rosea (itchy rash develops over the trunk and extremities)
Pruritus (severe itching of the skin)
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Suicide attempt
Blood potassium decreased

male:

Dysphagia (a condition in which swallowing is difficult or painful)
Oedema (fluid collection in tissue)
Cartilage injury
Depression
Exostosis (formation of new bone on the surface of a bone)
Facial pain
Fall
Headache (pain in head)
Hypotension (abnormally low blood pressure)
Lyme disease (a bacterial infection that is spread to humans by infected ticks)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Multiple sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Blindness transient (sudden loss of vision)
Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Visual field defect
Contusion (a type of hematoma of tissue in which capillaries)
Gait disturbance
Mobility decreased (ability to move is reduced)
Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
Skin burning sensation
Swelling

40-49:

Fatigue (feeling of tiredness)
Back pain
Asthenia (weakness)
Hypoaesthesia (reduced sense of touch or sensation)
Blood phosphorus decreased
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Alopecia (absence of hair from areas of the body)
Cognitive disorder (mental health disorders affects learning, memory, perception, and problem solving)
Drug hypersensitivity
Blood parathyroid hormone increased

50-59:

Chest pain
Foot fracture
Glucose tolerance impaired (blood glucose is raised beyond normal levels, but not high enough to warrant a diabetes diagnosis)
Memory impairment
Pityriasis rosea (itchy rash develops over the trunk and extremities)
Suicide attempt
Infection
Visual impairment
Abdominal pain
Dental caries

60+:

Headache (pain in head)
Dysphagia (a condition in which swallowing is difficult or painful)
Multiple sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Pain
Tremor (trembling or shaking movements in one or more parts of your body)
Ageusia (loss of taste functions of the tongue)
Bone pain
Cartilage injury
Chest pain
Cough

What are the existing conditions these people have? *

Relapsing-Remitting Multiple Sclerosis (reoccurrence of an inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 23 people, 31.94%
Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 20 people, 27.78%
Pain: 17 people, 23.61%
Muscle Spasms (muscle contraction): 14 people, 19.44%
Depression: 13 people, 18.06%
Migraine (headache): 10 people, 13.89%
Stress And Anxiety: 9 people, 12.50%
Fatigue (feeling of tiredness): 9 people, 12.50%
Primary Progressive Multiple Sclerosis (primary progressive inflammatory disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged): 8 people, 11.11%
Nausea And Vomiting: 6 people, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Phenergan and Ocrevus?

- 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