Senaga is known as Snakewort. It is made from the powdered dried root of the plant. Senega is a powerful medicine for old and weak peoples respiratory problems and for eye complaints.

Respiratory problems
Bronchitis and asthma especially of old and weak people with difficulty in removing the phlegm
Chest pain due to water filled in the lungs ( Hydrothorax)
Feeling of weight on the chest.
Wet a cough 
Sneezing after cough 
Back pains on coughing
Burning in the nostrils
Voice hoarse or lost
 
Eye Complaints
Good remedy after eye operation
Sees- floating objects double objects shaded
Swelling and dryness of eyelids
Watering and irritation
One eye moves upwards.
Bending head backward improves.
  
Side Effects: None
 
Precautions
Maintain half an hour gap between food/drink/any other medicines and homeopathic medicine.
Avoid any strong smell in the mouth while taking medicine e.g. camphor, garlic, onion, coffee, hing.
 
Use under medical supervision.