Sure, Homeopathy can work for you again under the supervision of a Professional Homeopath.
As per Homeopathic philosophy and principles, when the situation as yours arises, a fresh homeopathic assessment is recommended for progress and improvement in patient's health.
Next Steps
You can consult your previous Homeopath (if not possible), consult a new one.
Health Tips
Do keep your medical and homeopathic records handy while consulting another Homeopath.