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Does Methotrexate Help With Psoriasis

Side Effects Of Methotrexate

Psoriatic Arthritis Update | Six Weeks on Methotrexate

Low-dose methotrexate given for psoriasis has the potential for side effects, but is generally well-tolerated. The most common side effects include:

  • Fatigue
  • Bone marrow suppression resulting in low white blood cells, anemia, or low platelets
  • Mild hair loss

Some side effects, such as kidney and liver dysfunction, have been found with long-term use of methotrexate. These risks can be higher in those with other underlying medical conditions, such as obesity or diabetes, or if taking other medications that affect kidney and liver function. Frequent alcohol use while taking methotrexate can also make liver damage more likely. Routine blood tests of kidney and liver function are typically performed to assess for these potential side effects.

Tests Before Starting Methotrexate

Pre-treatment laboratory tests usually include a full blood count with differential , kidney function tests , liver function tests, HbA1c , and lipids.

Hepatitis B and Cserology, HIV and varicella serology and tuberculosis testing may be considered in populations at risk of these infections. Pretreatment FibroScan®/liver biopsy is rarely necessary but may be considered if there is an existing liver disease or high risk of liver disease.

Consider measuring trough level polyglutamated methotrexate as a measure of 1) compliance and 2) whether a dose adjustment is necessary.

Can I Just Go And Get The Third Shot Or Do I Need To Talk To My Doctor First

You should talk to the physician you see for psoriasis treatment to and determine if you are on an immunosuppressive medication prior to getting the booster shot, says Lisa Zaba, MD, PhD, a clinical associate professor of dermatology at Stanford University School of Medicine in Palo Alto, California.

You dont need a prescription or a doctors note to get a third shot, but you should bring your vaccination card. The dose will be the same as the first and second shot, and the side effects should be similar, says the CDC.

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Methotrexate And Folic Acid Dose Recommendations

Because of its effectiveness and established safety profile, most patients who have RA take methotrexate at some point for treatment, usually by mouth. The typical dose starts at about 5 mg to 10 mg per week. However, in cases where high-dose oral methotrexate treatment is needed, the dose can be increased to about 25 mg per week, or even higher if necessary.

For patients in whom treatment based side effects become an issue, the proper dose of methotrexate can also be given as an injection under the skin. Sometimes, simply switching the dose delivery method from an oral methotrexate tablet to a methotrexate injection is enough to help. Splitting the dose into two daily doses instead of one single dose may help as well, or you can ask your doctor about anti-nausea medications.

Also, as the University of Michigan reports that methotrexate stops the growth of rapidly dividing cells, such as embryonic, fetal, and early placenta cells. No dose of methotrexate is safe during pregnancy. In fact, doctors often use this drug as a treatment for ectopic pregnancy, a potentially dangerous condition which involves a fertilized egg attaching itself to the fallopian tubes versus the uterus, essentially terminating the fetus.

As far as folic acid is concerned, doses in the range of 5 to 10 mg per week have been shown to reduce methotrexate toxicity. Folinic acid, a healthy form of folate which doesnt require any type of enzyme conversion, can also be found in some natural foods.

Should You Pause Methotrexate After Getting A Covid

METHOTREXATE Psoriasis Success Stories &  PICTURES

Initial studies have found that some patients on methotrexate have a decreased response to the COVID-19 vaccine. While more research is needed, some experts and medical organizations have recommended that patients hold methotrexate after getting the vaccine others have not.

  • The American College of Rheumatologys COVID-19 Vaccine guidance recommends that patients with well-controlled disease hold methotrexate for one week after each COVID-19 vaccine dose or for two weeks after a single-dose vaccine .
  • The National Psoriasis Foundations COVID-19 Task Force Guidance recommends that patients who are to receive a mRNA-based COVID-19 vaccine continue their biologic or oral therapies for psoriasis and/or psoriatic arthritis in most cases. However, it also says that for people who are 60 or older or have comorbidities linked with poor COVID-19 outcomes and have well-controlled disease could consider holding methotrexate for two weeks after getting the one-dose Johnson & Johnson vaccine.

Experts who recommend pausing methotrexate temporarily after getting a COVID-19 vaccine suggest this because it may help the vaccine protect you as much as possible.

Experts who recommend continuing to take methotrexate after getting a COVID-19 vaccine may have concerns that patients could flare if they stop taking it, or are not as worried about the potential decrease in vaccine effectiveness.

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Risks And Side Effects

It is essential to take methotrexate according to the doctorâs instructions. Taking too much methotrexate or taking the medication too often can be dangerous.

Methotrexate can cause side effects in some people. While serious side effects are less common, some of these effects can be life-threatening.

The table below shows the most common side effects of methotrexate and their prevalence among people who take the drug for PsA.

Side effect
chills, fever, loss of appetite, tiredness, unexplained weight loss

The Arthritis Foundation warn that prolonged use of methotrexate can cause liver damage. Although this risk is low, a doctor may recommend regular blood tests to monitor the health of the liver. Reducing or avoiding alcohol intake may help to protect the liver.

An Overview Of Psoriasis Therapy

Depending on the type and degree of severity as well as on the area of skin involved, age of the patient, costs, therapeutic management of psoriasis mainly consists of phototherapy, involving UV exposure of the skin, topical approaches and systemic medication but selection of the most effective treatment from the numerous therapeutic approaches is challenging.

Mainly consisting of application of ointments and creams to the skin, topical therapy is generally resorted to in cases of mild disease and formerly relied on use of keratolytic agents or emollients intended to help shed off or hydrate the skin. In keeping with further research developments, this type of treatment has increasingly targeted underlying proliferation of Tcell, therefore including vitamin D, coal tar, retinoids and topical calcineurin inhibitors.

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What Should I Do If I Got The Johnson & Johnson Vaccine

Right now, psoriasis patients and other immune-compromised people who received the Johnson & Johnson single-dose vaccine are not eligible for a booster shot.

Since the J& J vaccine has only been available since March 2021, the CDC is waiting for more data before making a recommendation about additional doses for people who are immune-compromised, as well as for the general population.

Preliminary data released by J& J on August 25 suggest that a booster shot could be highly protective.

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Mixing Methotrexate With Herbal Remedies And Supplements

Subcutaneous methotrexate for severe psoriasis – Video abstract 58010

Do not take vitamin and mineral supplements or any other products that contain folic acid if you are already taking folic acid prescribed by your doctor. Check the ingredients on the labels of any supplements.

There is not enough information to say whether it’s safe to take other herbal remedies or supplements together with methotrexate. They are not tested in the same way as medicines.

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Methotrexate For Psoriatic Arthritis


Psoriatic arthritis is an inflammatory condition that causes painful, swollen, and stiff joints, along with painful tendons and swollen fingers and toes. It is associated with psoriasis a disease of the skin or nails. If severe, rheumatologists prescribe methotrexate, a diseasemodifying antirheumatic drug , to improve symptoms and prevent worsening. Other DMARDs might include leflunomide, ciclosporin A, sulfasalazine, and gold .

Review question

We aimed to assess the benefits and harms of methotrexate compared with placebo or similar drugs for adults with psoriatic arthritis. Methotrexate compared with placebo was the primary comparison. Major outcomes were disease response , function, healthrelated quality of life, disease activity, radiographic progression , serious adverse events , and withdrawals due to adverse events .

Search date

We searched for evidence up to 29 January 2018.

Study characteristics

Key results

After six months of treatment, comparison with placebo showed that methotrexate resulted in the following .

Proportion who responded to treatment as measured by the Psoriatic Arthritis Response Criteria

16% more people, or 16 more people out of 100, improved with treatment

37 out of 100 people taking methotrexate improved

21 out of 100 people taking placebo improved


Function was improved by 10% , or by 0.30 points on a 0 to 3 scale

People taking methotrexate rated their function as 0.7 point

Disease activity

Serious adverse events

Who Is Methotrexate For

Methotrexate is for people with moderate to severe psoriasis who have not had a good response from, or are unsuitable for, topical treatments or ultraviolet light therapy.

Methotrexate can also be prescribed for psoriatic arthritis. In this situation, it is known as a Disease Modifying Anti-Rheumatic Drug , meaning it acts on the actual condition itself, rather than just relieve the symptoms.

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Methotrexate Initially Not A Drug For Ra

Although methotrexate has been proven as a great treatment option for RA, that isnt why this drug was created. In fact, methotrexate was initially introduced in the 1940s as a cancer treatment drug. Doctors prescribed it to provide relief for patients with different types of cancers, such as non-hodgkin lymphoma and breast cancer.

Methotrexate works by interfering with cancer cells ability to absorb and use folate. Folate is a form of vitamin B thats necessary for cell survival, but methotrexate has the effect of partially inhibiting dihydrofolate reductase within the cancerous cells.

Then in the 1970s, the Food and Drug Administration approved methotrexate for psoriasis according to the National Psoriasis Foundation. Psoriasis afflicts roughly 7.5 million people and involves itchy, inflamed skin. Fortunately for its sufferers, numerous studies have backed using methotrexate as a suitable psoriasis treatment option. For example, one 26-year retrospective study found that low-dose MTX is an effective therapy for severe forms of psoriasis.

Not only is methotrexate beneficial for people with psoriasis, its also helpful for those diagnosed with psoriatic arthritis. This type of arthritis is different than RA in that psoriasis generally precedes issues in the joints. In some cases though, no psoriasis-type symptoms exist at all.

What Are The Risks

Methotrexate and folic acid for RA: Managing side effects

The risk of liver damage increases if a person drinks alcohol, has abnormal kidney function, is obese, has diabetes or has had prior liver disease. Years after the drug, in rare occasions, certain types of cancer, such as lymphoma, and bone marrow toxicity have occurred. Methotrexate can cause a reduced white blood cell count, increasing infection risk.

Individuals taking methotrexate must have regular blood tests to ensure that the drug is safely processed by the body including the liver, white blood cells and bone marrow. Additional tests are needed at regular intervals. Talk with your health care provider about other tests needed.

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What If You Develop Coronavirus Symptoms While On Methotrexate

Although most patients on methotrexate should continue to take it as long as they are healthy, the guidance from the American College of Rheumatology advises that patients may temporarily stop this medication if they develop COVID-19 symptoms. Methotrexate might impair the bodys ability to combat coronavirus, says Dr. Domingues.

You should let your rheumatologist or primary care doctor know if you develop COVID-19 symptoms or have been in close contact with someone who has it. The most common symptom of COVID-19 is fever, which often goes hand-in-hand with a dry cough and shortness of breath. Here is a list of other common COVID-19 symptoms.

If you develop such symptoms, call your doctor. They may recommend temporarily stopping methotrexate to boost your odds of fighting off the virus.

Never stop taking your medications on your own without first discussing it with your health care provider. Be sure to consult your rheumatologist if you have any questions about whether to stop methotrexate and when to start it up again if you are advised to take a break from it.

Therapies Involving Biological And Biosimilars

In the same way as for rheumatoid arthritis, development of biologicals has been a groundbreaking event for the treatment of psoriasis, leading to unprecedented success in therapeutic approach of moderatetosevere forms of psoriasis and psoriatic arthritis. In that respect, even if not considered firstline treatments, biologic agents such as etanercept, adalimumab, infliximab and ustekinumab have been approved as secondline therapies for psoriasis, whereas golimumab has been approved for psoriatic arthritis therapy.

Clinical practice with biologicals has revealed their higher efficacy and tolerability in comparison to traditional systemic therapies , even in cases of refractory disease and expressly indicated for use in the socalled highneed patients, unresponsive or intolerant to all other available and approved systemic agents, MTX and cyclosporine included, or who cannot possible use such conventional systemic agents for reason of preexisting disease .

In addition, biologicals do not generally carry the same toxicity burden of toxic chemical or pharmacological adverse effects. Most related side effects are due to the specific biological properties of a given preparation, and result from neutralization of the biological activity of their target molecules, such as TNF or IL12/IL23.

Respective risk of the modified therapeutic effect is even greater in the case of biosimilars introduced as a de novo production line.

  • Preparation of Periodic Safety Update Reports

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    How Methotrexate Affects The Immune System

    Before methotrexate was widely used to treat rheumatologic conditions, it was originally approved as a form of chemotherapy for cancer. But it works in the body differently when used in much lower doses to treat inflammatory rheumatic conditions like rheumatoid arthritis than higher doses used for cancer treatment.

    For rheumatic conditions, methotrexate is taken as pills or a subcutaneous injection, usually once per week.

    Methotrexate is considered an antiproliferative medication, which means it stops cells from replicating. It reduces the activity of several types of proteins and cells involved in immune system function, including T cells and B cells.

    This description from Dr. Kim helps explain how methotrexate affects the immune system:

    Lets say your immune system is an army fighting a virus enemy. It needs to be able to quickly increase the number of its troops. For a typical virus, the immune system can expand its army by a million-fold. But methotrexate limits your immune systems ability to scale its troops. Instead of expanding by a million, maybe it can only increase by a thousand. This inability to increase your troops makes you less able to fight off an infection.

    How Quickly Does The Skin Condition Improve On Methotrexate

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    Methotrexate usually shows some benefit in responding skin diseases within 6 to 8 weeks. Maximum effects are generally achieved within 5 to 6 months, depending on dose escalation. In chronic plaque psoriasis, about 5070% of patients see a good result . To measure a PASI score, see also Patient-oriented psoriasis PO-PASI score.

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    How To Get The Most Out Of Methotrexate For Psoriasis


    WAILEA, HAWAII In an era when affordable health insurance could become increasingly tough to come by, its worth emphasizing that methotrexate is the most cost-effective way to manage extensive psoriasis and the liquid formulation designed for intramuscular injection can be taken orally to reduce the cost even further, according to Craig L. Leonardi, MD.

    The absolute cheapest way to manage the patient who has no insurance and has bad psoriasis is to put him on methotrexate and teach him how to draw the liquid solution up in a syringe, dump it in a cup of juice, and drink it, Dr. Leonardi said at the Hawaii Dermatology Seminar provided by the Global Academy for Medical Education/Skin Disease Research Foundation. The bioavailability is equivalent to the tablets, and its only about one-tenth the cost.

    He urged his fellow dermatologists not to forget about methotrexate in the current flashy era of highly effective and very expensive biologic therapies for psoriasis.

    I was thinking methotrexate was going to go away, but it turns out I rely more on that drug than ever before. Its very useful, and its safe if used correctly, said Dr. Leonardi, a dermatologist at Saint Louis University and a prominent clinical trialist.

    Methotrexates half-life is 3-15 hours. Psoriasis is often controlled at a methotrexate dose of about 15 mg/week.

    Psoriasis Weight And Nutrition

    No single diet or food will treat or prevent psoriasis. And you can get this condition at any size. Still, there are some signs that nutrition and weight do affect it — just as they affect many other conditions.

    Body fat fuels inflammation. Doctors have known for a while that losing weight can reduce psoriasis symptoms and help your medicines work better at clearing your skin. The open question is: What’s the best way to lose weight?

    In studies, people with psoriasis who trimmed off as little as 5% of their weight by following a low-calorie diet had clearer skin.

    The traditional Mediterranean diet can also help lower inflammation, with foods like fish, fruit, vegetables, nuts, and olive oil. Researchers are looking at whether that might help make psoriasis less severe.

    One small, short study offered a very low-calorie keto diet, followed by 6 weeks of a traditional Mediterranean diet. All the people in the study were overweight or obese and had psoriasis but werenât taking medication for it. They lost weight, and their psoriasis improved. Itâs not clear if that was because of the weight loss, the types of food they ate, or both things. More research will be needed to see exactly what worked.

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