Medication guide · DMARDs

Methotrexate: A Patient Guide for Rheumatology Care

Methotrexate is one of the most commonly used medicines in rheumatology. It is often prescribed to control inflammation, reduce joint swelling, and protect joints from long-term damage.

Patient education from Dr Ramani Rheumatology Clinic, Kuala Lumpur.
Quick context

What is methotrexate?

Methotrexate is a disease-modifying anti-rheumatic drug, also called a DMARD. In rheumatology, it is used at low doses to calm overactive inflammation in autoimmune conditions.

Unlike simple painkillers, methotrexate does not just mask pain. It helps control the underlying inflammation that can damage joints and tissues over time.

This is why methotrexate is often called an “anchor medication” in rheumatology care.

When I prescribe it

What conditions is methotrexate used for?

The reason for prescribing methotrexate may differ from patient to patient. These are some of the conditions where I commonly use it.

Rheumatoid arthritis

Psoriatic arthritis

Inflammatory arthritis

Some lupus-related conditions

Some vasculitis or connective tissue disease cases

Other autoimmune rheumatic conditions, depending on the doctor's assessment

How it helps

How does methotrexate help?

In autoimmune rheumatic disease, the immune system can become overactive and cause inflammation in the joints or other tissues. Methotrexate helps reduce this overactivity.

Methotrexate does not work overnight. It may take several weeks before patients notice improvement.

Potential benefits may include
  • Less joint swelling
  • Less morning stiffness
  • Less inflammation
  • Fewer flares in some patients
  • Better long-term disease control
  • Reduced risk of joint damage in inflammatory arthritis
How it is usually taken

How is methotrexate usually taken?

Methotrexate is usually taken once a week, not every day. It may be prescribed as tablets or as an injection, depending on the patient’s condition, response, and tolerance.

Important

Methotrexate for rheumatology is usually a weekly medicine. Taking it daily by mistake can be dangerous. Always follow the exact instructions given by your doctor.

Folic acid

Why folic acid may be prescribed

Many patients taking methotrexate are also prescribed folic acid. Folic acid may help reduce some side effects such as mouth ulcers, nausea, and stomach upset.

Follow your doctor’s instructions on when and how to take folic acid.

Monitoring

What monitoring is needed?

Patients taking methotrexate usually need regular blood tests. This helps the doctor monitor blood counts, liver function, and kidney function.

Full blood count

Liver function tests

Kidney function tests

Review of symptoms and side effects

Medication and infection review

Monitoring is not meant to scare patients. It is part of using the medicine safely.

Side effects

Possible side effects

Not every patient gets side effects. Many patients tolerate methotrexate well with proper monitoring.

Common side effects may include
  • Nausea
  • Loss of appetite
  • Mouth ulcers
  • Tiredness
  • Stomach upset
  • Headache
  • Mild hair thinning

Report these symptoms promptly

  • Fever or signs of infection
  • Shortness of breath or persistent cough
  • Unusual bruising or bleeding
  • Yellowing of the eyes or skin
  • Severe mouth ulcers
  • Severe vomiting or diarrhoea
  • New rash
  • Feeling very unwell
Alcohol and liver health

Alcohol, liver health, and methotrexate

Methotrexate can affect the liver in some patients. Alcohol may increase liver strain, so patients should ask their doctor what level of alcohol intake, if any, is safe for them.

Pregnancy and family planning

Pregnancy and family planning

Methotrexate is not suitable during pregnancy. Patients who are pregnant, planning pregnancy, or trying to conceive should tell their doctor before starting or continuing methotrexate.

Men and women should discuss family planning with their rheumatologist if methotrexate is part of their treatment plan.

Vaccines and infections

Vaccines and infections

Because methotrexate affects the immune system, patients should tell their doctor before taking vaccines or if they develop an infection.

Some vaccines may be recommended before or during treatment, while some live vaccines may not be suitable depending on the patient’s immune status and treatment plan.

Vaccinations & General Advice for Autoimmune Patients
Reassurance

Common patient worries

Is methotrexate chemotherapy?

Methotrexate can be used in cancer treatment at much higher doses, but in rheumatology it is usually used at much lower doses to control inflammation. Patients should follow the rheumatology instructions given by their doctor.

Will I be on methotrexate forever?

This depends on the condition, response to treatment, side effects, and disease control. Your doctor will review this over time.

Can I stop methotrexate when I feel better?

Do not stop methotrexate without medical advice. Symptoms may improve because the medication is controlling inflammation.

Practical guide

When to WhatsApp the clinic

If you are unsure about anything related to your methotrexate, please reach out. It is safer to ask early than to wait.

WhatsApp the clinic if

  • You are unsure how to take your medication
  • You accidentally missed a dose
  • You may have taken the wrong dose
  • You develop fever or infection symptoms
  • You develop mouth ulcers, severe nausea, or unusual bruising
  • You are planning pregnancy
  • You are unsure about vaccines
  • You have been prescribed another new medication
  • You are worried about side effects
Frequently asked

Methotrexate FAQ

In rheumatology I use methotrexate to calm overactive inflammation in conditions such as rheumatoid arthritis, psoriatic arthritis, inflammatory arthritis, and some lupus or connective tissue disease cases.

Questions about your methotrexate?

Whether you have just been prescribed methotrexate or have been on it for a while, you can WhatsApp the clinic for personalised advice.

Explore more

Related medications and topics

More medication guides are on the way. These pages will be linked here as they become available.

HydroxychloroquineComing soon
SulfasalazineComing soon
LeflunomideComing soon
AzathioprineComing soon
MycophenolateComing soon
Biologics and targeted therapiesComing soon
Vaccinations and general advice for autoimmune patients
This page is for general education only and does not replace medical advice. Do not start, stop, or change methotrexate unless advised by your doctor. If you are unwell, pregnant, planning pregnancy, or worried about side effects, please contact a qualified healthcare professional.