Hot forehead pimples can be treated with medication, but due to the many causes of this symptom, such as folliculitis, acne, prickly heat, etc., the medication used will be different, and need to be treated according to the specific cause of the disease. 1. Folliculitis: hot weather and sweaty easily lead to bacterial or fungal infection of the hair follicles, thus causing inflammation, which will lead to a lot of small pimples on the forehead, the patient can be under the guidance of a professional doctor through the use of fusidic acid cream, mupirocin ointment, or sertaconazole nitrate ointment, ketoconazole ointment, and other medications to carry out the treatment. 2 acne: hot weather is prone to stimulate sebaceous gland secretion, triggering or aggravating acne, this time you need to use topical adapalene gel, benzoyl peroxide, fusidic acid ointment and other medications, if necessary, can be combined with oral isotretinoin, minocycline when the drug. 3. prickly heat: prickly heat is due to summer sweat secretion more, resulting in small sweat gland ducts caused by blockage, patients can choose under the guidance of the doctor glycerine lotion, prickly heat powder or Huanglian puff powder and other topical drugs for treatment. Due to the summer is hot, sweat secretion exuberant, need to carry out timely skin cleaning care work, keep the skin fresh and clean, to avoid oil blockage hair follicles caused by skin damage, resulting in adverse effects. The heat of the forehead appeared a lot of small pimples, it is recommended to go to the hospital in a timely manner, a clear diagnosis, symptomatic treatment, the drug should be used in accordance with the doctor’s instructions.