As she is suffering from multiple ailments like
diabetes, hypertension and fissure.,the problems gets aggravated .it is better to first control hypertension and diabetes. Medicines prescribed should be taken regularly and blood pressure and
sugar levels monitored properly. Regarding fissure problem, she should take sitz bath daily before going to the toilet. Constipation should be avoided by taking high fibre diet and if required medicines.
General measures like regular exercise in the form of a walk, yoga and deep breathing exercises, avoiding tension and staying happy will help a lot.
It will be better if you can discuss with your family physician for better understanding of the disease and treatment without undue delay.