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Important considerations before combining these medications include: Absolute contraindications : The combination should be avoided in patients with cardiovascular disease, uncontrolled hypertension, hyperthyroidism, glaucoma, during or within 14 days of MAOI use, personal/family history of MTC or MEN2, pregnancy, breastfeeding, or severe gastrointestinal disease Cardiovascular risk assessment : Phentermine increases heart rate and blood pressure, which requires careful monitoring with baseline and follow-up measurements of vital signs and possibly EKG if cardiac history exists Gastrointestinal tolerability : Tirzepatide commonly causes nausea, vomiting, and diarrhea, which may be compounded by phentermine's effects Medication interactions : Tirzepatide may reduce the effectiveness of oral contraceptives during initiation and dose escalation
Common resistance mechanisms include some mutations affecting genetically modified drug targets, membrane permeability, efflux pump systems, and biofilm development ( H
Having a B12 deficiency for a long period of time can make you more at risk for health conditions such as dementia and infertility, so it is important to make sure that your levels are properly balanced
In another study, Yu et al
