Hi welcome to HCM Your dad s problem is atter of great concern . Dear ,first of all ,i must suggest that starting or skipping or stoppind of any medication abruptly , without consultation of medical specialist can be injurious . Anyway its nice Flomax stopping has not affected him adversly To prevent dizziness, avoid standing for long periods of time or becoming overheated during exercise and in hot weather. As for as problems with urination is concerned , Spinal disorders or injuries that cause nerve compression or damage may cause Bladder Dysfunction , means the patient has problems with urination. you can give him Ayurvedic medicine Chader Prabha Batti . It is very effective in controlling Urinary problems Deep Breathing Inhale - Hold - Exhale -Hold , Repeating for 2 minutes to begin with , increase to 3 - 7 minutes Kapalbhatti - Throw out your breath 10 times to begin with . Increase slowly to 60 times ,Don t inhale . only exhale with your tummy will go in and out automatically . This will give strength to your kideny ,liver , pancreas ,infact whole system and decrease you problems gradually Walking slowly with a help is great remedy to energise . Diet plays very important roll in maintaining your over all health . Take level spoon of Turmeric Powder in a hot goat s milk at bed time . It is contains natural antibiotics . Take crushed ginger , garlic with a spoon of honey , a T spoon , before BF Include all essential nutrients - fiber , vitamins , minerals and supplements full of antioxidants and Use extra-virgin olive oil as your main fat. Increase intake of omega-3 fatty acids Avoid processed foods carbs , sugar , fried ,fast foods , Tea , coffee ,alcohol and smoking , stress , sleeplessness and Constipation all will produce biochemical and metabolic conditions in your body that will decrease your immunity. So avoiding is definitely the first step in the right direction to detoxing the body, boosting the immune system . Regular check ups from your proffesoinal are recommended . Hope this helps solves your query .Take care .All the best .Get well soon. Don t hesitate to come back in case of any further query .