Just do forearm muscle stretching frequently and apply ice frequently

Hot fermentation and rest from write 

Your pain could be due to neck muscle or nerve compression in the wrist. You should consult a physiotherapist or orthopaedist in person for complete assessment and treatment.

It may be due to CTS, visit physiotherapy clinic or orthopedic doc for proper assessment and treatment.

Hello sir, if you feel numbess or pin prickled sensation in your hand or fingers  then it is related to nerve compression.if not it can be weakness or muscle strain due to overuse of the hand . For that 1) hot water bath for soothing your pain and increases circulation 2) wrist range of motion  exercises (rotating the wrist clockwise and anticlockwise, forward and backward - If you feel easy with empty hand then use some weights ) 3) form a tight fist hold for some time and release or you can use spring too, do as many you can in a day. 4) move your thumb in inward and outward directions in sideways and straight,  rotate your thumb. Don't do these exercises if your symptoms are getting worse.if felt better do these exercise before starting your work like a warmup.

May be indicating a carpal tunnel syndrome..take a consultation inbetween do median nerve gliding exercises along with contrast bath.

Apply ice pack over your forearm and palm after you finish with your writing .Do gripping exercisesI. If situation persists visit any physio clinic

Better if you get a physical checkup rather than consulting online and worsening your problem . You can visit our clinic - STEPSCURE PHYSIOTHERAPY CLINIC, East of kailash Delhi.

Visit nearby physiotherapy clinic for proper assessment and treatment. U might be overusing the muscles,try to take proper rest maintain posture while writing position of ur elbow and wrist.if it is muscle strain try to take rest and Ultrasonic therapy for 7 days to reduce inflammation in the muscles ,start doing strengthening exercises to wrist