Immediately upon noticing the symptoms, start the treatment at home.
The injured area has to be given rest and the activity that worsens the pain must be avoided at any cost.
Several times a day, apply hot or cold packs for at least 10 to 15 minutes every time. It is always important to put a thin cloth between the skin and the cold pack. As long as it relieves pain, keep on using the cold pack. A hot bath or hot pack can also be used. You can choose between the two based on what works the best for you.
Ibuprofen, naproxen, acetaminophen, etc. are some of the over-the-counter medicines that you can take to relieve pain in case if you need them. You can also try rubbing NSAID cream over the sore area. In order to be safe with the medicines, read and follow the instructions given.
Whenever you want to grasp or twist something, wear a counterforce brace. A counterforce brace is nothing but a strap worn around the forearm below the elbow. This might help relieve the pressure that the tendons experience and evenly distribute the force throughout.
Once the pain is eased off, the doctor or the physiotherapist can teach you some exercises to strengthen and stretch the tendon. Performing these exercises at home can help heal the tendon and prevent further injury.
You can restart your activities once you start feeling better. Don’t overexert by getting back to the level same as before the injury. Slowly build the level and when it hurts, always stop.