Using and dealing with the consequences related to "ice" (methamphetamine) is a very serious drug - related issue.
If there are so - called "meth sores" (ulcers and skin problems often caused by picking at the skin due to the delusions and restlessness brought by drug use), first, it's essential to stop using the drug. Seek professional drug rehabilitation help.
From a skin - treatment perspective, keep the affected area clean. Gently wash the sores with mild antibacterial soap and warm water. Then, apply a sterile dressing. Topical antibiotics ointment can be used under the guidance of a doctor to prevent infection and promote healing. But it's crucial to remember that addressing the drug - use problem is the fundamental step to truly solve these associated health issues.