Nasal Crust

Ayurvedic explanation of the cause:

Increased Kapha Dosha

Causes and triggers:

• Consumption of Kapha increasing foods
• Sensitivity to pollen, dust, ragweed, cat hair etc.
• Sensitivity to cold temperatures
• Dryness in the atmosphere
• Deviated septum

Recommendations:

• Add ginger, ajwain and turmeric to water and boil. Turn off the stove, cover your head with the towel and inhale the steam. 
• Steam can also be taken with plain water or with ginger boiled in water.
• Rub menthol on forehead and in the sinus.
• Place a few drops of eucalyptus oil in the nose. Use only eucalyptus oil diluted with sesame oil and not the pure eucalyptus oil.
• Chop some onion and sniff it. It will cause sneezing and provide relief from nasal crust.
• Lubricate the nostrils with brahmi ghee or saline solution.
• Eat some spicy food.
• Use a hot water humidifier.
• Take Vitamin C 1 gm twice a day.
• Take 1 tsp of amalaki at bedtime with warm water. Do not take if you are already taking triphla.
• Take zinc 60 mg.

References:

Primary Reference: The Complete Book of Ayurvedic Home Remedies - Vasant D Lad - Part 3