If your patient has a history consistent with an IgE-mediated reaction to penicillin, then consider a penicillin skin test. Skin tests can be done when the patient is well and does not need an antibiotic. Then, if the patient becomes ill at a later time, a penicillin antibiotic can be used, if indicated.
A normal blood sugar level is between 72 mg/dL and 108 mg/dL (4 to 6 mmol/L) for a healthy person. The concentration of glucose in the blood of a healthy person in the morning on an empty stomach is between 68 mg/dL and 108 mg/dL (3.8 and 6.0 mmol/L).
Quick Answer. A normal glucose meter reading is 100 mg/dL or less after 8 hours of fasting, or 140/120 mg/dL or less at 2 hours after a meal for those under 50 years old, notes WebMD. Normal levels for random glucose testing range between 70-125 mg/dL, according to Healthline. Continue Reading.