Swollen and painful gums during breastfeeding are usually caused by inflammation of the gums. It can manifest as localized swelling and discomfort as well as affect chewing. The causes of gum swelling and pain are usually wisdom tooth pericoronitis, periodontal abscess, periapical inflammation, acute gingival papillitis and acute gingivitis. For fast pain relief for swollen gums during breastfeeding, you generally need to go to a dentist for professional treatment and maintenance, which can provide fast pain relief. For swollen and painful gums during breastfeeding, the treatment should be symptomatic according to the specific cause of the swollen and painful gums. Topical rinses and medications are usually given to address the cause. For swollen gums it is especially important to remove the factors that irritate the gums. For example, local rinsing and gum coating for pericoronitis, root canal treatment for gum swelling and pain caused by periapical infection, removal of embedded food debris and calculus for acute gingivitis and periodontal treatment for gum swelling and pain caused by periodontal abscess. Avoid spicy and stimulating foods and chewing hard foods. You should brush and rinse your teeth in time after meals and pay attention to oral hygiene.