It is best to take your dog to the vet if he needs an intramuscular vaccine

NICE-recommended weight management strategies include: Dietary intervention aiming for a 600 kcal/day deficit through reduced portion sizes, limiting energy-dense foods, and increasing fruit and vegetable consumption Physical activity building up to 150300 minutes of moderate-intensity aerobic activity weekly, plus muscle-strengthening activities on at least two days weekly, in line with UK Chief Medical Officers' guidelines [10] Behavioural approaches including self-monitoring, goal-setting, and addressing emotional eating patterns Commercial weight management programmes such as those meeting NICE quality standards (QS127) Very-low-calorie diets in specific circumstances, under clinical supervision and for limited periods For patients with a BMI 30 kg/m (or 27.5 kg/m in those of South Asian, Chinese, or other Asian family origin) who have not achieved adequate weight loss through lifestyle measures alone, pharmacological interventions may be considered

Common causes of temporary post-injection pain include: Local inflammation: The injection itself can irritate surrounding tissues Increased joint pressure: The added fluid volume temporarily stretches the joint capsule Normal healing response: Your bodys natural reaction to any needle puncture Muscle tension: Protective guarding around the injection site According to Cleveland Clinic, this reaction typically manifests as mild pain and swelling at the injection site and resolves without intervention [3]
The first method is more reliable and prevents spraying or loss of solution