hi i had gone through your query and understand your concerns. i would come up with two most possibilities to fit your case.these include
1.first possibility for your patches on beard is,BARBERS ITCH or RINGWORM OF THE BEARD.infection with
staphylococcus or ringworm parasite.
2.second possibility for your head hair loss,ALOPECIA;either partial or complete.
many factors may contribute;
-food additives,tranquilizers.
-excess of male hormones which stimulate oil producing glands which may, may producing excess sebum cause
dandruff or
baldness.
-hereditary influences
-poor general health.
-shortage of zinc and possibly iron.
treatment plan;
i advise you taking
Homeopathic medicines gives safe and permanent cure for your complaints along with management
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints. or mail me at drravib4u@yahoo.co.in
I hope this is helpful for you, thank you