Hi, your symptoms says that it is a writer's cramp....in which the nerves which is coordinating the muscles work is weakened.....so due to over mental exertion, depression, anxiety, mental stress, hysteric affections weakens our nervous system...which in turn affects your fine motor movements......for which you can take 1. Magnesia phosphorica 6x tablets ( 4-4-4) b/f for 3 months 2. Avena sativa Q + Ashwagandha Q + Acid Phos Q -( 30 ml )  - 15 drops with small quantity of water three times a day for 3 months 3. Walnut + whitechestnut + crab apple - 2 drahm pills - (4-4-4) for 3 months You will feel the change in a week.....but meds to be taken continuously for 3 months....to strengthen your nervous system

hi this is Dr. Govind Lihinar this condition is called writer syndrome according to Ayurveda its called Vataj vyadhi for that we required Nasyam and some medical treatment

Could be nerve related. Chat online for consultation and treatment

U r suffering from vata vikar Take Triphala Churna 1 tsf at night with Lukewarm water for 7 days,Tab or cap Ashwagandha( Himalaya drug) etc. 2 bid, Decoction of Giloy Mulahathi Draksha anjeer, Dashmool quath

Hello Are there any other symptoms.... Is there any tingling/ numbness in any fingers... Is there any pain in neck/ shoulder area of left side? Any history of injury to that left hand. There can be multiple reasons... Please describe in details. You can also consult online thru Practo chat.

It looks like it can be Vitamin D3 Deficiency. Sometimes it also can be Reynaud's disease but it very less likely and rare.  You can consult on Practo online if you wish.