Ignatia: On coughing.
Digitalis: After emissions.
Petroselinum: At root in urethral diseases, especially gonorrhoea.
Capsicum: Painful erections during night.
Nux Vom: Painful erections in the morning.
Kali Carb: Painful after copious painful pollutions.
Nitric Acid: Painful, spasmodic at night.