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Methotrexate is a folate antagonist that inhibits DNA synthesis by blocking dihydrofolate reductase (DHFR). It is commonly used for rheumatoid arthritis, psoriasis, ectopic pregnancy, and certain cancers. Important adverse effects include hepatotoxicity What is hydroxyurea? Hydroxyurea is used to treat chronic myeloid leukemia, ovarian cancer, and certain types of skin cancer (squamous cell cancer of the head and neck). Hydroxyurea is also used to Compounded Methylcobalamin (Vitamin B12) Injection, 5mg mL what is the cpt code for vitamin b12 injection CPT Code 90620: Meningococcal B Vaccine, 2 ! Tag a friend who needs to review reversal agents and antidotes! Pharmacology is amazing, as drugs can have so many incredible effects on the body. However, it is important
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