To handle a frozen shoulder flare-up, ease off movements that sharply increase pain, but do not keep the shoulder completely still. Try a wrapped heat pack before gentle, prescribed movements, or a wrapped cold pack if it feels better. Use pain medicine only if it is safe for you and follow the label. Seek urgent care for sudden severe pain, new swelling, fever, numbness, or an injury.
What should you do first when a frozen shoulder flares up?
A frozen shoulder flare-up means that pain or stiffness has become more noticeable than it was recently. Reaching overhead, dressing, lifting objects, or trying to stretch the shoulder may become more uncomfortable. Your first goal is to settle the discomfort without losing the movement you can comfortably maintain.
For the next few hours, reduce activities that noticeably aggravate the shoulder. Keep your arm supported when sitting, avoid carrying heavy bags with the affected arm, and ask for help with tasks that require repeated reaching. You do not need to stop all shoulder movement. Instead, use your arm gently within a comfortable range and avoid forcing it into a painful position.
The National Health Service (NHS) guidance on frozen shoulder recommends gentle shoulder movement, following exercises prescribed by a healthcare professional, and avoiding strenuous exercises that make symptoms worse. These principles are particularly useful when your usual activities or exercise routine become harder to tolerate.
Should you use heat or ice during a flare-up?
Both heat and cold may help ease shoulder discomfort. You can try either method and continue with the one that feels more comfortable. Heat is often useful before gentle movement when stiffness is prominent, while a cold pack may feel soothing when the shoulder is aching after activity. Neither approach is expected to remove the stiffness immediately, and you do not need to use both.
How to apply heat safely
Place a warm pack or hot-water bottle wrapped in a towel over the shoulder for up to 20 minutes. The warmth should feel comfortable rather than hot enough to burn your skin. You can try this before your prescribed mobility exercises, particularly when the shoulder feels tight after resting.
How to apply a cold pack safely
Wrap a cold pack or a bag of frozen vegetables in a towel before placing it on the painful area. A session of about 15 to 20 minutes is a reasonable starting point. Never place ice directly against your skin, and stop if you notice burning, marked skin discomfort, or unusual changes in sensation.
Mayo Clinic's frozen shoulder treatment guidance notes that heat or cold may help relieve pain. These methods are supportive measures rather than a replacement for the movement plan or other treatment recommended for your shoulder.
Should you keep doing shoulder exercises during a flare-up?
Usually, gentle movement remains important, but the amount of stretching you can comfortably tolerate may change during a flare. Continuing with a familiar exercise at a reduced range may be more appropriate than trying to push through pain. If an exercise repeatedly causes a substantial increase in pain, stop that movement for now rather than forcing the shoulder farther.
The American Academy of Orthopaedic Surgeons (AAOS), through its OrthoInfo patient guidance, describes physical therapy focused on stretching and restoring shoulder movement as a central part of frozen shoulder treatment. The appropriate exercises, repetitions, and duration should be matched to your current mobility and symptoms.
Which movements may be suitable?
If a healthcare professional has already shown you how to perform these movements, you may be able to continue them gently when symptoms permit:
- Pendulum movement: Lean forward while supporting yourself with your unaffected arm on a stable surface. Let the affected arm hang loosely and gently move your body so the arm swings a short distance.
- Assisted arm movement: Use your unaffected arm to help guide the affected arm through a comfortable range, following the technique taught by your physiotherapist.
- Gentle wall walk: If it has been recommended for you, use your fingers to move slowly up a wall only as far as you can comfortably manage.
These are examples, not a requirement to perform every exercise during every flare-up. Avoid sudden jerking, forceful stretching, heavy resistance, or asking another person to push your arm farther than it can comfortably go. If your shoulder becomes increasingly painful during or after the exercises, ask your physiotherapist to review the program before increasing the intensity again.
How can you manage everyday activities when your shoulder hurts?
Small changes to daily routines can reduce the need to reach, lift, or twist your shoulder while it is painful. Put frequently used items at a convenient height, use your unaffected arm when practical, and divide demanding chores into shorter tasks. When dressing, you may find it easier to put the affected arm into a sleeve first and remove it last, without forcing the joint into an uncomfortable position.
Sleep may also become difficult when shoulder pain increases at night. Try a position that does not place direct pressure on the painful shoulder. Supporting the affected forearm with a pillow may make it easier to rest without allowing the arm to pull uncomfortably backward. Change positions as needed, and avoid maintaining a posture that consistently increases your pain.
Complete inactivity is not usually the best long-term approach. The aim is to temporarily modify activities that aggravate symptoms while maintaining comfortable movement. If ordinary tasks remain difficult despite these adjustments, a physiotherapist can help identify practical ways to protect the shoulder without unnecessarily limiting its use.
Can pain medication help with a frozen shoulder flare-up?
Pain relief may make daily activities and gentle movement more manageable. Depending on your circumstances, a healthcare professional or pharmacist may suggest paracetamol (acetaminophen) or a nonsteroidal anti-inflammatory drug (NSAID), such as ibuprofen. These medicines are not suitable for everyone, and they do not directly restore the shoulder's full range of motion.
Follow the medicine's package instructions and do not exceed the recommended dose. Ask a pharmacist or healthcare professional before using an NSAID if you have a long-term medical condition, take other medicines, are pregnant, or have previously been advised to avoid anti-inflammatory medicines. Do not combine different NSAIDs unless a healthcare professional specifically tells you to do so.
The Cleveland Clinic's frozen shoulder guidance describes pain-relieving medicines, heat or cold, and physical therapy among the options used to manage the condition. If your usual pain relief is no longer helping, symptoms are disrupting sleep, or pain repeatedly prevents you from following your exercise plan, seek advice rather than increasing medication on your own.
When should you seek medical help for a flare-up?
Arrange an appointment with a healthcare professional if shoulder pain or stiffness persists, is getting worse, or significantly interferes with dressing, sleeping, working, or other daily tasks. A clinician can review the recent change, examine your shoulder, and determine whether your treatment plan needs adjustment. A flare-up that does not settle with your usual measures may need reassessment rather than more intensive home stretching.
Do not automatically assume that every new episode of shoulder pain comes from frozen shoulder. Other shoulder problems can cause pain and restricted movement, and a different cause may require different treatment.
According to the NHS guidance on shoulder pain, urgent medical assessment is appropriate for sudden or very severe pain, inability to move the arm, marked swelling or a change in shoulder shape, persistent pins and needles or loss of feeling, an arm that feels unusually hot or cold, or pain following an injury. Seek urgent medical help as well if you feel feverish or generally unwell with shoulder pain.
What if flare-ups keep returning despite home care?
Repeated flare-ups may mean that your current exercise level, pain-control approach, or overall treatment plan needs reviewing. A physiotherapist can assess your shoulder's movement and help adjust the exercises to a range you can tolerate. If pain remains difficult to control, your healthcare professional may discuss other treatments, such as a corticosteroid injection or a procedure intended to improve movement, depending on your symptoms and previous treatment.
Frozen shoulder often improves gradually, but recovery can take months and sometimes years. A flare-up does not automatically mean that treatment has failed. Focus on manageable movement, appropriate pain relief, and gradual progress rather than trying to regain your full range of motion in a single session. Your healthcare professional can help you decide when and how to increase your activity safely.