Hello, Read your query, as you have blood after brushing and gargling at morning dont worry this is bleeding from gums is seen in patients with deposition of food debris and calculus at subgingival areas of gums , leads to condition gingivitis and periodontitis inflammation of gingival and periodontal fibres , as you have smoking habit also this also causes gingival fibres and periodontal fibres inflammed. For this you should consult dentist and go for oral examination and Scaling and root planning , in meantime you should do warm saline gargle two - three times a day, Do chlorhexidine mouthwash , maintain proper oral hygiene by Brushing twice daily. Hope this will help you. Regards, Dr. Priyanka tiwari