How can I tackle problems of intensive dandruff and hairfall?

Anti-dandruff… Shampoos like otc selsun blue or otc Nizoral (ketoconazole) may help; if insufficient, there are prescription strength formulations of both. Follow directions concerning how often to use & how long to leave on before rinsing. Another antifungal rx is loprox. 2 steroid rx preps are available: capex & the more potent clobex. Start with lower potency & work up. Steroids decrease inflammation & itching.
Dandruff. Selenium, tar based or zinc based shampoos are usually helpful. Lather the hair, rinse, lather again and leave lathered while you take the rest of your shower. Rinse at the end. Use daily until symptoms subside then 3-4 times weekly.