What kind of ointment to apply to red and swollen pimples can’t be generalized. If it’s acne, you can use benzoyl peroxide gel, vitamin A acid cream, etc. If it’s folliculitis, you can use mupirocin ointment, erythromycin ointment, etc. 1. Acne: It is related to exuberant secretion of androgen, increased secretion of sebaceous glands, hyperkeratosis of keratinocytes around hair follicles, and infection of Acinetobacter propionicus, manifesting itself as pimples, inflammatory papules, pustules, nodules, cysts, etc., leading to localized redness and swollen acne symptoms. You can use benzoyl peroxide gel, retinoic acid cream, fusidic acid cream and other drugs to treat, the main role is to improve the follicle hyperkeratosis, reduce sebaceous gland secretion, inhibit bacterial infection. 2. Folliculitis: often caused by pathogens infecting the hair follicle and its surrounding tissues, with bacterial infection being the most common, which may cause local inflammatory papules, pustules, etc., resulting in localized redness and swelling of acne symptoms. You can use topical mupirocin ointment, erythromycin ointment and other antibiotic drugs for treatment. It is recommended to go to the hospital in time to see the patients with red and swollen pimples, clear diagnosis and follow the doctor’s instructions to standardize the treatment.