One of the first remedies for all types of chronic illnesses, Nux Vomica is prepared from the Poison-nut.
 
A very important remedy for all  sorts of lifestyle diseases and habits. Suited to nervous, perfectionist
Good for those who take a lot of mental stress, work prolonged hours in the office, overstudying students, business workers.
Excellent remedy for tobacco deaddiction and other stimulants
 
Mind
Extremely irritable and sensitive to all types of noise, smells and light
Keeps on complaining and finding fault in others
Cannot bear noises, odors, light
Time passes too slowly. Even the least ailment affects her greatly
 
Head
Vertigo with temporary blackouts. 
Headaches when going out in the sun. 
A headache starts because of extensive coughing.
A frontal headache, with desire to press the head against something
A congestive headache, associated with hemorrhoids
 
Nose
Stuffy colds, snuffles, after exposure to dry, cold atmosphere; worse, in warm room. 
Odors tend to produce fainting. 
Coryza: fluent in daytime; stuffed up at night and outdoors; or alternates between nostrils
Good remedy for colds and blocked noses that worsen at night
 
Stomach
Works well for nausea and vomiting, eating a very spicy and pungent diet, acidity.
Sour taste, and nausea in the morning, after eating. 
Weight and pain in stomach; worse, eating, sometime after.
Region of stomach very sensitive to pressure
Dyspepsia from drinking strong coffee. Difficult belching of gas. Wants to vomit, but cannot.
 
Stool
Pain when trying to pass stools, piles, constipation, unsatisfactory stools.
Frequent ineffectual desire, or passing but small quantities at each attempt.
Alternate constipation and diarrhea after abuse of purgatives
Dysentery; stools relieve pains for a time. Constant uneasiness in rectum
 
Female
Good for females whose periods are always irregular, black and painful.
 
Sleep
Can help to improve sleep, suited to those taking short naps.
Cannot sleep after 3 am until towards morning; awakes feeling wretchedly. 
Drowsy after meals, and in early evening
Better after a short sleep, unless aroused
 
Dose- As prescribed by the physician. Can be taken along with other allopathic medicines.
 
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.