Tenosynovitis

What is tenosynovitis?

Tenosynovitis is inflammation of a tendon and its synovium. Tendons are cords of tissue that connect muscles to bones. The synovium is the lining of the sheath around the tendon. The tendons may become thickened and not slide smoothly through the swollen lining. The cause of tenosynovitis is not known.

What increases my risk for tenosynovitis?

  • Overuse

  • Infection

  • Pressure on the tendon

  • Injury

What are the signs and symptoms of tenosynovitis?

  • Pain, redness, or swelling that may get worse or be present at rest

  • Fingers, toes, or ankles may click, lock, or snap

  • Grating sound or feeling

  • A bump on your toes or swollen fingers

  • Stiffening of the fingers, ankle, or toes

  • Weakness and limited movement of the affected part

How is tenosynovitis diagnosed?

Your healthcare provider will move your body part in different directions to check for pain, weakness, or movement problems. You may also need any of the following:

  • Blood tests or a sample of fluid may show if your tenosynovitis is caused by infection.

  • An x-ray, ultrasound, or MRI may show the cause of your tenosynovitis. You may be given contrast dye to help the tendon show up better in the pictures. Tell the healthcare provider if you have ever had an allergic reaction to contrast dye. Do not enter the MRI room with anything metal. Metal can cause serious injury. Tell the healthcare provider if you have any metal in or on your body.

How is tenosynovitis treated?

  • Medicines:

    • Pain medicines may be given. Ask how to take this medicine safely.

    • NSAIDs help decrease swelling and pain or fever. This medicine is available with or without a doctor's order. NSAIDs can cause stomach bleeding or kidney problems in certain people. If you take blood thinner medicine, always ask your healthcare provider if NSAIDs are safe for you. Always read the medicine label and follow directions.

    • Antibiotics help treat a bacterial infection.

    • Antifungals help treat a fungal infection.

    • A steroid injection may be given to decrease inflammation.

  • Surgery may be needed if other treatments do not work or your symptoms are severe. Your surgeon may need to clean the area around your tendon so it can heal properly.

How can I manage my symptoms?

  • Rest your inflamed area as directed.

  • Apply ice on your inflamed area for 15 to 20 minutes every hour or as directed. Use an ice pack, or put crushed ice in a plastic bag. Cover it with a towel. Ice helps prevent tissue damage and decreases swelling and pain.

  • Elevate your inflamed area above the level of your heart as often as you can. This will help decrease swelling and pain. Prop your inflamed area on pillows or blankets to keep it elevated comfortably.

  • Use your assistive device as directed. You may need a brace, splint, walking boot, or cast. You may also need to use crutches or orthotics. These devices prevent movement, decrease pain, and help your tendon heal.

  • Go to physical or occupational therapy. A physical therapist teaches you exercises to help improve movement and strength and decrease pain. An occupational therapist teaches you skills to help with your daily activities.

When should I contact my healthcare provider?

  • You have a fever.

  • A joint near your inflamed area is red and swollen.

  • Your symptoms do not go away or they get worse, even after treatment.

  • You have questions or concerns about your condition or care.

When should I seek immediate care or call 911?

  • You have sudden trouble breathing or chest pain.

  • Your arm, leg, fingers, or toes are numb, tingle, or are pale.

  • You hear or feel a pop.

  • You have severe pain.

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your caregivers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

© 2014 Truven Health Analytics Inc. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. All illustrations and images included in CareNotes® are the copyrighted property of A.D.A.M., Inc. or Truven Health Analytics.

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