I'm sorry to hear you're experiencing these symptoms. Having a skin problem along with head pain, dizziness, and vomiting can indicate a serious condition that needs prompt medical evaluation.

Here’s what you should do:

• Seek immediate medical attention: These symptoms together could be signs of an infection, neurological issue, or other urgent health problems that require a thorough examination.
• Avoid self-medicating: While some medications like Stemetil (which contains prochlorperazine) are used to treat nausea, vomiting, and dizziness, they should only be taken under a doctor's supervision, especially when combined with other symptoms like skin problems and headache.
• Contact emergency services: If symptoms worsen rapidly or you experience confusion, difficulty speaking, weakness, or severe headache, call emergency services immediately.

Recommendation: Please consult a neurologist or dermatologist promptly to evaluate your symptoms and receive appropriate treatment. If symptoms are severe or sudden, visiting the emergency department is crucial.To narrow down potential causes, we will need some more information.I understand you're dealing with a skin problem, head pain, dizziness, and vomiting. To give you the best advice, could you please share your age and gender?