How to manage psoriatic arthritis while trying to conceive?

Question

Hello doctor,

My psoriatic arthritis has been flaring severely since I stopped Methotrexate to try to conceive. The joints in my fingers and toes are so swollen that I cannot wear my wedding ring or normal shoes. The psoriasis patches on my scalp and elbows have also worsened markedly. My C‑reactive protein is elevated at 8.2 mg/L, and my rheumatoid factor is negative. I tried Sulfasalazine, but it caused intense nausea and headaches.

The joint pain is worst in the mornings, and on some days, I can barely get out of bed. My distal interphalangeal joints are beginning to deform, and nail pitting has become more pronounced. The rheumatologist wants to start me on a biologic, but I am afraid of the associated infection risks. My psoriatic arthritis symptoms seem to fluctuate with my menstrual cycle. Which treatments for psoriatic arthritis are considered safe during pregnancy, and how long should I wait after stopping methotrexate before attempting conception? Please help.

Thank you in advance.

Answer 1

Hi,

Welcome to icliniq.com.

I read your query and can understand your concern.

For a patient with psoriatic arthritis (a chronic inflammatory disease that affects some people with psoriasis, causing joint pain, stiffness, and swelling, and can also lead to nail and skin problems) who is planning to conceive, it is essential to follow a treatment approach that balances disease control with fetal safety. The following points outline the safest management strategies:

Discontinue Methotrexate in advance: Methotrexate is known to be highly teratogenic. It can cause severe birth defects and must be stopped at least three months before trying to conceive. This waiting period allows the drug to be completely cleared from the body. Effective contraception must be used throughout this time to prevent pregnancy.

Safe medication alternatives: Tumor necrosis factor-alpha (TNF-α) inhibitors are considered among the safer options for managing psoriatic arthritis during pregnancy. Medications such as Certolizumab pegol, Adalimumab, and Golimumab have more favorable safety profiles and are often preferred. Certolizumab pegol, in particular, has minimal placental transfer, making it a preferred option during pregnancy.

Topical treatments for skin symptoms: Mild to moderate topical Corticosteroids, moisturizers, and coal tar preparations may be used for managing psoriasis patches. These should be applied under medical guidance to avoid systemic absorption, especially in larger quantities.

Phototherapy: Narrowband UVB phototherapy is a non-pharmacologic and effective option for controlling cutaneous psoriasis. It does not involve systemic medications and is generally considered safe during pregnancy.

Close monitoring: Regular follow-up with a rheumatologist and obstetrician is critical. Disease activity should be monitored closely, and adjustments to treatment should be made as needed.

Avoid teratogenic drugs: In addition to Methotrexate, Retinoids and other cytotoxic agents must be strictly avoided due to their harmful effects on the developing fetus.

I hope this helps.

Kindly revert so I can assist you further.

Thank you.