My father has been diagnosed with PA (level was around 200). GP put him on 3 monthly injections. He had been ok but after flu and a chest infection (treated with antibiotics), his last injection has made no difference and his symptoms have all returned - extreme fatigue, dizziness, breathlessness, poor appetite/taste, low mood etc. etc. GP says 3 monthly injections should be enough and not taking it any further. Should my dad go for lozenges - if so what type do folks find work best and at what dosage. He had a urostomy operation (hence bowel altered to accommodate this) and is on beta blockers/statins etc. Any advice would be appreciated by this very anxious daughter who wants to see her dad well again!