Huge increase in prescription medicines (with possible potency with Vitamin D) – 2015

Trends and interaction of polypharmacy and potentially inappropriate prescribing in primary care over 15 years in Ireland: a repeated cross-sectional study
BMJ Open 2015;5:e008656. doi:10.1136/bmjopen-2015-008656
 Download the PDF from VitaminDWiki

Drugs prescribed

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See also VitaminDWiki

1. Vitamin D can increase the potency of a drug
   • Which might be fatal
   • Chemotherapy and vitamin D - many studies
   • Some drugs change potency when Vitamin D is increased (increase in a hormone)
2. Vitamin D can decrease the potency of a drug
   • Which might be fatal
3. A drug can decrease Vitamin D (consumes it or blocks it)
   • More vitamin D needed if person is taking Glucocorticoids – June 2015
   • Some anticonvulsant drugs significantly reduce vitamin D levels – many studies
4. A drug can increase Vitamin D
   • Example - some contraceptives