Magnesium phosphoricum: General muscular weakness. Finger tips stiff and numb. Especially suited to tired, languid, exhausted subjects. Neuralgic pains relieved by warmth.
Natrum phosphoricum: Ailment from excess of acidity. Weariness, aching in joints.
Ferrum phosphoricum: For nervous, sensitive aesthenic people with false plethora. It increases haemoglobin. Pale subjects with violent local congestion.
Kali phosphoricum: Prostration, conditions arising from want of nerve power, Neuraesthenia, mental and physical depression. The causes are usually excitement, overwork and worry.