Psoriasis is a disease of the skin in which raised,rough,red areas appear,covered with fine silvery scales.Ayurveda believes that impurities in the blood associated with emotional factors are the cause of the disease.

Genetic predisposition is a common common factor in the etiology of psoriasis. Environmental factors also contribute in its attack. Trauma,sunlight ,infection, emotional stress, climatic changes may precipitate relapses. Patient with AIDS often present with severe psoriasis. In some persons, psoriasis appears repeatedly at a particular season, especially in spring and autumn, but it is not infectious.

The eruption always appears first round the back of elbow and the front of the knees. It begins as small pimples, each covered with a white cap of scale, which enlarge in breadth till they form patches. At the same time, patches appear on other parts of the body especially the scalp and the face.

Eczema,in Ayuveda is a superficial disease of the skin and is of an inflammatory nature.It is more often known as dermatitis or inflammation of the skin.

Causes and Symptoms
The disease may be genetic in origin.Young adults of both the sexes are usually affected.It is more common in summers.
According to the symptoms it can be classified in three main types-acute,subacute and chronic.All the three phases may coexist simultaneously.
Accute :
Redness and swallowing usually with an ill-defined border.Papules,large blisters,vesicles and scaling is seen.
Subacute :
Redness and crusting are present without the extreme swelling.
Chronic :
Less vesicular, more scaly,skin pigmented and thickened and with fissures.

According to Ayurveda,eczema is a minor form of leprosy and is caused by the aggravation of kapha in addition to vata and pitta.

Paralysis are of different types partial,total,paralysis in grown ups and children.Paralysis or palsy means loss of muscular power due to some problem in the Nervous System.Various technical names are given to various forms of the disease.Hemiplegia is applied to paralysis affecting one part of the face along with the corresponding arm and leg.Diplegia means total paralysis.Monoplegia is the paralysis of single limb.Paraplegia means paralysis of both sides.In Ayurveda Paralysis is mainly due to imbalance of VATA.

Urticuria is a recurrent transient cutaneous swellings and erythema,sometimes caused by an allergy but often mediated by non-allergic methods.

Causes and Symptoms
Physical allergens are cold,heat and sun.Inherited allergens are hyper sensitivity and hereditary anguioedema.Pharmacological allergens include drugs,food,inhalants,pollens and animal dander. Besides this miscellaneous allergens like intestinal parasites, pregnancy,diabetes and hyper thyroidism.Lastly,there may be idiopathic allergy also.

Raised red and white patches occur in parts or over the whole surface of the body and are accompanied by severe itching and irritation.

Modern medicine believes allergy to be the causative factor of urticuria, but the real reason is the aggravation of kapha and vata in conjunction with vitiation of pitta.