What to do about the hard teardrop-shaped bump on the left side of the back of the head?

A hard teardrop-shaped bump on the left side of the back of the head is commonly seen in boils, epidermal cysts, tumors and other diseases, which need to be treated according to the cause of the disease by medication, physical therapy, surgery and other means.
1. Boils: if the pus has not yet appeared, you can use topical antibacterial drugs, such as mupirocin ointment, gentamicin hydrochloride ointment, etc.; if the effect of local drugs is not good, you can take oral antibacterial drugs, such as ceftriaxone sodium, benzylpenicillin, etc.; if the sepsis is secondary to the sepsis, you need to take glucocorticosteroid therapy, such as prednisone, etc.; boils in the red and swollen stage, you can use hot compresses, ultra-short-wave and other physical therapy.
2. Epidermal cysts: If the epidermal cysts are inflamed, antibacterial drugs can be used, such as fusidic acid cream, compound polymyxin B ointment, etc.; if the cysts are not inflamed, surgical excision can be taken directly.
3. Tumor: If the patient suffers from cranial tumor, basal cell carcinoma, etc., the symptom of teardrop-shaped hard bumps growing in the back of the head will also appear. When treating the tumor, surgery and physical therapy should be taken reasonably according to the patient’s condition.
It is suggested that patients should go to regular hospitals for consultation, and after clarifying the cause of the disease, they should follow the doctor’s instruction and take the medicine strictly according to the doctor’s instruction, and should not blindly take the medicine by themselves.