Hypothalamus is a gland situated in the brain. It links the nervous system to the endocrine system via the pituitary gland. In homoeopathy, it is prepared by the trituration of hypothalamus gland and then converted into liquid after 6X. It is found useful for the treatment of menstrual irregularity, epilepsy, headache, incontinence of urine, asthma, acne, alopecia, constipation, etc. It is suitable in people with sweet character, loving, extremely sensitive and depressed. It is indicated in occipital headaches, accompanied by an intense feeling of sadness, aggravated in the evening. Other indications: dyspnoea coming after suppressed menses, thyroid disorder due to malfunction of pituitary and hypothalamus gland; attack of bulimia (mental illness characterized by eats in an uncontrolled way and in large amounts) alternating with some phases of anorexia; insomnia due to fear of falling asleep lest they should never wake; sudden irresistible desire to sleep, generally short duration, but coming several times during the day; flatulence of very noisy gurgling, specially of the right side of the abdomen; stubborn constipation, stool hard, black, very difficult to push out; severe dysmenorrhea, after physical or mental stress; baldness in women with clearing up of hair on the frontal edge. Recommended potency: 3X & 6X Caution: None. At 3x and higher, it is a well-tolerated drug and can be used for prolonged therapy. Adverse effects: Large crude doses (non-homoeopathic doses) have minor side effects of diarrhoea,