Guy's i need help fast and idk if i can take it anymore

I take methylphenidate (aka concerta) and i had rlly bad side effects then usual last time which i guess started it was i ate a rare steak giving me i think worms and yes ik their worms dont ask how i found out and i before eating the steak took my pill and ate it after getting a anti acid pill next and a good load of bathroom stops during the night and woke up early to get a Stomach relief thing which caused me running to the bathroom to puke it out and with clear like saliva so later having nausea and regular side effects from the pill in school and i also have problems while trying to speak but when i do i start speaking in a way like La ru a lu ka trying to speak but only say that now today i went to chuck e cheese with my brothers and returned went (i also had those days and this day a knot in my stomach) running to the bathroom throwing up 3 mouth fulls of red crushed up food can someone help?

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i wana know about ranitidine 150 medicine what is it for?

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Cardiac Medications
Common medications used in the treatment of cardiac diseases from the American Heart Association:
http://www.heart.org/HEARTORG/Conditions/HeartAttack/TreatmentofaHeartAttack/Cardiac-Medications_UCM_303937_Article.jsp#mainContent

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Another good source of information on medications is the Food and Drug Administration (FDA). Here is a direct link:
http://www.fda.gov/Drugs/ResourcesForYou/Consumers/default.htm

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You can get information about my from the National Library of Medicine and the National Institutes of Health at this portal:
https://druginfo.nlm.nih.gov/m.drugportal/

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The Mayo Clinic offers detailed information about your medications as well as knowledge on how to get well and stay well. Here's a link to their Drug and Supplements look-up page:
http://www.mayoclinic.org/drugs-supplements

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Getting rid of medications that are out-of-date or are no longer needed can be a challenge it you wish to do so properly, in an environmentally manner. The Food and Drug Administration has guidelines to help you get rid of your excess medications. Here's the link:
http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm101653.htm?povid=cat5431-env198764-moduleB120712-lLinkZone4PharmacyNotices6FDAGuidelines
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