A member asked:

How long does methotrexate stay in your system after you stop taking drug. i am having a allergic reaction to the medicine.

A doctor has provided 1 answer

Rapidly leaves: 1/2 life depends on dose 3-10 hours with low dose and 8-15 hours with high dose We usually say it is out after 5 1/2 lives bt there are tissue effects too - maybe 3 weeks

Answered 10/21/2017

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Need to know about a drug called methotrexate?

A doctor has provided 1 answer