Arimidex and Ritalin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Arimidex (anastrozole) and Ritalin (methylphenidate hydrochloride). Common drug interactions include corneal dystrophy among females and obesity among males.

The phase IV clinical study analyzes what interactions people have when they take Arimidex and Ritalin. It is created by eHealthMe based on reports of 62 people who take the same drugs from the FDA, and is updated regularly.

What is Arimidex?

Arimidex has active ingredients of anastrozole. It is often used in breast cancer. eHealthMe is studying from 22,642 Arimidex users. Check the latest studies of Arimidex.

What is Ritalin?

Ritalin has active ingredients of methylphenidate hydrochloride. It is often used in attention deficit hyperactivity disorder. eHealthMe is studying from 29,427 Ritalin users. Check the latest studies of Ritalin.

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 Aug, 20, 2026

62 people who take Arimidex and Ritalin together, and have interactions are studied.

What are the common drug interactions of Arimidex and Ritalin, by gender? *:

female:

Corneal dystrophy (abnormal deposition of substances in the transparent front part of the eye)
Hypertension (high blood pressure)
Urinary tract infection
Bladder prolapse (bulging of one or more of the pelvic organs into the vagina)
Diarrhoea
Dizziness
Pyuria (a condition of urine containing pus)
Colitis (inflammation of colon)
Astigmatism (refractive error of the eye in which parallel rays of light from an external source do not converge on a single focal point on the retina)
Dyspepsia (indigestion)

male:

Obesity (having too much body fat)
Type 2 diabetes mellitus
Fibromyalgia (a long-term condition which causes pain all over the body)
Foot fracture
Growth retardation (delayed growth)
Injury
Irritable bowel syndrome
Knee arthroplasty
Malaise (a feeling of general discomfort or uneasiness)
Neuralgia (pain in one or more nerves)

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

0-1:

n/a

2-9:

Abdominal distension
Asthma
Constipation
Disturbance in attention
Dysgeusia (disorder of the sense of taste)
Foot fracture
Growth retardation (delayed growth)
Irritable bowel syndrome
Pharyngitis streptococcal (inflammation of the pharynx caused by infection from. streptococcus)
Speech disorder

10-19:

n/a

20-29:

n/a

30-39:

Vomiting
Fatigue (feeling of tiredness)
Anxiety
Arthralgia (joint pain)
Back pain
Bone disorder
Bone loss
Cervical dysplasia (abnormal changes in the cells on the surface of the cervix)
Cervix carcinoma (cancer of cervix)
Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)

40-49:

Blood creatinine increased

50-59:

Gastrointestinal disorder (functional problems of gastrointestinal tract)
Injury
Knee arthroplasty
Loss of consciousness
Musculoskeletal stiffness (stiffness of the body's muscles, joints, tendons, ligaments and nerves)
Neuralgia (pain in one or more nerves)
Neuropathy peripheral (surface nerve damage)
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Osteoporosis (bones weak and more likely to break)
Pain

60+:

Back pain
Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection)
Device failure
Device related infection
Dyspnoea (difficult or laboured respiration)
Fatigue (feeling of tiredness)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Gingival oedema (swelling of gums)
Haematochezia (passage of stools containing blood)
Hypercoagulation (increased tendency for clotting of the blood)

What are the existing conditions these people have? *

Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 27 people, 43.55%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 21 people, 33.87%
Metastases To Bone (cancer spreads to bone): 20 people, 32.26%
Fluid Imbalance (imbalance of fluid in body in intake and fluid lost): 5 people, 8.06%

* Approximation only. Some reports may have incomplete information.

Do you take Arimidex and Ritalin?

- 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