Hi Welcome to HCM I have gone thru your query regarding DVT problem of your father I can understand your concern . Once you receive treatment for deep vein thrombosis you need to watch your diet and ife style which affects your immune system Gulping on only medicines will not help cure unless you mind your life style . Include essential nutrients - fiber , vitamins ,minerals , in natural form fruit ,green leafy veges , almonds , Fenu greek powder a spoon with water ginger , garlic coconut water, & lot of water and look for signs of excessive bleeding, as well as take steps to help prevent another DVT . Add supplements full of antioxidants as lemon jiuice with Water ,Aloe vera juice + amla juice 2 spoons , Turmeric powder a level spoon + almond oil with a cup of hot milk at bed time , Unless the muscle retains its flexibility which keeps the inter-vertebral spaces apart preventing compression of the disc, the problem will recur. Thus to regain or improve the flexibility the best tool is Yoga . After the period of active pain/bed rest, pavana muktasana without raising head and tiger stretch (Marjari asana) with dead slow up and bending (curving) of lumbar part shall be two postures that can help. It is the mechanical way of treating the condition. is mother of all Later, a routine practice of merudandasana, setubandasana, bhujangasana, salabasana and vakrasana , Kapal bhati pranayam , deep breathing , back bending exercises will not only improve in due course of time the flexibility but will also increase the bone strength and immune system and helps resistance from diseases and pave way for . Constipation is mother of all ills ,so avoid and also fast , fried foods, Tea ,alcohol smoking , over exertion . Meditation and rest and Medication for two to three months while orally taking traditional Ayurvedic / herbal medicine - Giloy , Shilajeet , Tulsi ,Almonds , Ashvgandha strengthens the Nervous System and specifically the Para-Vertebral muscles of the BACK. By this, it reduces the compression on the Inter-Vertebral Disc and gives relief to all the related symptoms and resistanc from diseases for life ahead , by strengthening immunity . Hope this helps solve your query . Take care Wish him early recovery & good health . Don t hesitate to come back for further query .