Mattson and Shea 2003
Your body then needs to absorb the vitamin from your stomach and intestines
Contact your GP or prescribing clinician if you experience : Severe or worsening fatigue that significantly impairs daily activities or persists beyond several weeks of treatment Extreme weakness or inability to perform usual tasks Dizziness or fainting , particularly on standing, which may indicate dehydration or blood pressure changes Persistent nausea or vomiting preventing adequate food or fluid intake Signs of dehydration : dark urine, reduced urination, dry mouth, confusion Chest pain, palpitations, or breathlessness accompanying tiredness Mood changes , including low mood or depression, which can manifest as fatigue Right upper abdominal pain, fever or yellowing of the skin/eyes , which could indicate gallbladder problems (GLP-1 medications may increase gallstone risk) For urgent but non-emergency concerns, you can contact NHS 111 for advice
The 20 mg/mL setup is popular in the community for the 30 mg and 60 mg vials because it keeps the shot tiny even at the highest dose
The practical lesson is not self-managing around surgery
I couldn't even remember which arm was injected at that time, it turned out to be the same arm