Want to know a medicine for your sickness? Ask your friendly computer

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You have a cold. Do you take an antihistamine, decongestant, vitamin C or all three? MedScreen, a sort of computerized pharmacist being installed at selected drugstores in the US, puts the answer at your fingertips. You input your symptoms, and the computer prints out the most effective type of over the counter medication, price, instructions and side effects and alerts your pharmacist when your symptoms warrant further consultations.