Red dots on the glans, consider the following causes: 1, due to local allergies can appear red dots, and accompanied by severe itching symptoms, and can be accompanied by itching of other parts of the body skin, but also erythema and other changes. Often seen as a result of contact with allergens, can be caused by local contact, but also by oral allergy drugs or systemic allergies. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. If you have more foreskin dirt, poor personal hygiene, patients may have local red spots due to mechanical stimulation, or long-term chronic stimulation such as foreskin scale, early pain may not be obvious after itching. It is necessary to carry out local cleaning to maintain personal hygiene, and if necessary, circumcision treatment.