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

Summary:

Drug interactions are reported among people who take Phentermine (phentermine hydrochloride) and Ocrevus (ocrelizumab). Common drug interactions include gait disturbance among females and sinusitis among males.

The phase IV clinical study analyzes what interactions people have when they take Phentermine and Ocrevus. It is created by eHealthMe based on reports of 27 people who take the same drugs from the FDA, and is updated regularly.

What is Phentermine?

Phentermine has active ingredients of phentermine hydrochloride. It is often used in weight loss. eHealthMe is studying from 19,870 Phentermine users. Check the latest studies of Phentermine.

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, 05, 2026

27 people who take Phentermine and Ocrevus together, and have interactions are studied.

Phentermine and Ocrevus drug interactions.

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

female:

Gait disturbance
Eye pain
Fall
Multiple sclerosis relapse (reoccurrence of a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath)
Asthenia (weakness)
Asthma
Blood calcium increased
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Genitourinary tract infection (infection of genital tract and urinary tract)
Hypertension (high blood pressure)

male:

Sinusitis (inflammation of sinus)

What are the common drug interactions of Phentermine 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:

Abdominal discomfort
Anaphylactic reaction (serious allergic reaction)
Blindness
Colour blindness (inability to view some colour)
Contusion (a type of hematoma of tissue in which capillaries)
Fall
Fungal infection
Gait disturbance
Kidney infection
Lymphopenia (an abnormally low level of lymphocytes in the blood)

40-49:

Chorioretinopathy (collection of fluid under the retina that results in visual distortion)
Abdominal pain upper
Autoimmune disorder (a condition in which the immune system attacks the body's normal substances and tissue)
Constipation
Drug hypersensitivity
Fatigue (feeling of tiredness)
Fungal infection
Hyperhidrosis (abnormally increased sweating)
Hypoaesthesia (reduced sense of touch or sensation)
Memory impairment

50-59:

Influenza
Weight increased
Blood calcium increased
Fatigue (feeling of tiredness)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Genitourinary tract infection (infection of genital tract and urinary tract)
Hypertension (high blood pressure)
Hypomagnesaemia (electrolyte disturbance in which there is an abnormally low level of magnesium in the blood)
Muscle spasms (muscle contraction)
Oral herpes (viral infection of mouth)

60+:

n/a

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 14 people, 51.85%
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): 2 people, 7.41%

* Approximation only. Some reports may have incomplete information.

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