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We aim to determine the prevalence of self prescribing behaviour during pregnancy and its characteristics. For this purpose, we designed a cross sectional study and interviewed 400 pregnant women who had their prenatal care at Instituto Nacional Materno Perinatal, Lima. We found that 10.5% of the patients (42 patients) had a self prescribing behavior during pregnancy, 64.5% think that self prescribing behavior can produce congenital malformations. The medications used were classified as type A and B according to the Food and Drug Administration (FDA). Paracetamol was used more frequently (47.6%) followed by amoxicillin (16.7%). All the women who self-prescribed have had this behavior before pregnancy. According to these results, we conclude there is a low prevalence of self-prescribing behavior during pregnancy compared to the international literature [ABSTRACT FROM AUTHOR]

A 14-year-old woman presented with recent history of heat intolerance, hand tremor and palpitations. Physical examination showed diffuse thyroid enlargement, and thyroid profile, suppressed TSH and elevated thyroid hormones. Anti-TPO antibodies were positive. Initial treatment included methimazole and beta blockers. After twenty days, patient complained of malaise, fever, polyarthralgia, maculopapular rash, and leg swelling. ANA antibodies were negative; however, ANCA antibodies were positive. Methimazole was stopped and prednisone started. Her clinical evolution was good, and she received I 131. ANCA associated vasculitis related to thionamides are infrequent. These vasculitis affect small vessels of skin, however they can also affect kidneys and lungs. Arthralgia and myalgia are the classical symptoms. In most patients, symptoms disappear after cessation of drug. In some cases, glucocorticoid or immunosuppressive therapy are also needed. [ABSTRACT FROM AUTHOR]