Hard pimples without pus heads may be in the nodular, cystic stage of acne and can be relieved using topical medications including retinoids, or oral antibiotics and isotretinoin to help get rid of the pimples.
In case of nodular, cystic acne, topical retinoids including retinoid creams, adapalene gel medications can be used for relief, as well as antibiotics such as fusidic acid cream.
Oral medications include antibiotics such as minocycline, doxycycline, etc. Oral isotretinoin can also be taken for relief. In general, you should pay attention to keep your skin clean, eat a light diet, and have a regular routine.
If the acne phenomenon is serious, go to the hospital in time for examination, and use the above medication in accordance with the doctor’s instructions.