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The benzyl alcohol in bacteriostatic water inhibits bacterial growth, keeping the solution sterile through multiple needle entries over the 28-day use window

Alcohol can worsen common side effects such as nausea, interfere with blood sugar regulation, and undermine weight loss progress

It induces cytokine production and stimulates angiogenesis

Wegovy and Zepbound pathways Retail brand-name path A cleaner online route for members who specifically want branded GLP-1 options

Patients should contact their GP or prescriber if they notice: Sudden or severe hair loss that appears disproportionate to the degree of weight lost Patchy hair loss or bald spots , which may suggest alopecia areata or another dermatological condition Scalp pain, redness, scaling, pustules, or broken hairs , which may indicate scarring alopecia or tinea capitis and warrant prompt assessment Hair loss accompanied by other symptoms , such as fatigue, cold intolerance, unexpected weight changes, or skin changes which may indicate thyroid dysfunction or another systemic condition Persistent shedding that continues beyond six months without signs of regrowth Significant distress related to hair loss, which may warrant referral for specialist assessment A GP can arrange relevant initial investigations, including a full blood count (FBC), ferritin (with CRP if indicated), and thyroid function tests (TSH), with further tests guided by clinical history

Both use a gradual escalation schedule to minimize side effects