Potential risks of using hCG injections hCG injections for other medical uses are linked to problems such as: Allergic reactions Mood changes Acne Facial hair growth Headache Swelling of the breasts, penis, or testes Nausea, vomiting, and upset stomach Pelvic pain Bloating Potential side effects of extreme calorie-restricted diets It's very hard to stick to a strict calorie limit
Some studies have found that the symptoms of SIRVA may last at least 6 months
Developmental toxicity triggered by benzyl alcohol in the early stage of zebrafish embryos: Cardiovascular defects with inhibited liver formation and degenerated neurogenesis
Baker LD, Espeland MA, Whitmer RA, et al
In summary, monitor the injection site (if pain increases or the area gets very red, hot, and swollen, inform your doctor as that could indicate injection-site infection, which is exceedingly rare with proper technique)