Red bumps on golden retrievers may be caused by fungal bacterial infection, parasitic infection, mosquito bites, skin allergies, eczema, etc. If there are only a few red bumps, it is caused by parasites or mosquito bites; if the red bumps If there are more cases, or even on the whole body, it means allergies or eczema. It is best to take the dog to the pet hospital for examination and treatment to avoid delaying the condition.