Pain in the Left or Right Shoulder: 12 Causes with Treatment

Have you suffered from shoulder pain on the left or right side? The shoulder joint is one of the largest, complex, and most mobile joints in the human body. Its complex structure comprises several tendons, muscles, bones, and ligaments that work together to allow your shoulder to move up, down, and from side to side. It also enables your arm to move in different directions.

Your shoulder allows you to throw a baseball, swing your arms, and raise your arm over your head to touch your ear. Unfortunately, due to its impressive mobility, your shoulder is also vulnerable to injury.

In fact, shoulder pain is one of the most common complaints in the United States. The pain in your right shoulder may result from a muscle tear, nerve damage, overuse, or an accident.

The good news is – shoulder pain is usually not severe. Most of the time, the pain in your right shoulder will reduce with proper rest. However, in some cases, unexplained pain in your right shoulder may signal something more serious, like a heart attack.

Unfortunately, shoulder pain can be excruciating. If you’re always feeling pain in your right shoulder, then this guide is for you. In this article, we’d take you through what could be causing the pain in your right shoulder, how to ease the pain, and when to see a doctor.

Shoulder Pain in Right Side
Shoulder Pain in Left or Right Side Causes and Treatment

12 Common Causes of Shoulder Pain in Left or Right Side

1. Rotator cuff tendinitis

Rotator cuff tendinitis is a condition that affects the tendons and causes them to become inflamed and irritated. When your tendons become inflamed, moving your right shoulder can be extremely painful.

You can get rotator cuff tendinitis from sleeping on your shoulder, playing extreme sports that stress your shoulder, or keeping your shoulder in one position for too long.

Rotator cuff tendinitis is also known as:

  • Impingement syndrome
  • Tendonitis
  • Swimmer’s shoulder
  • Tennis shoulder
  • Pitcher’s shoulder

The condition is prevalent in athletes that participate in sports that require lifting their arm over their head like swimming, tennis, and basketball.

The pain associated with rotator cuff tendinitis may worsen over time. If the pain in your right becomes persistent and doesn’t fade with rest, it could indicate another problem.

Other symptoms associated with rotator cuff tendinitis include:

  • Pain and swelling in your shoulder and side of your arm.
  • Pain in your right shoulder when you raise or lower your arm
  • A popping sound when raising your arm
  • Stiffness in your right shoulder
  • Pain that jerks you up from sleep

In some cases, your rotator cuff tendinitis may come and go without any pain.

Treatment for rotator cuff tendinitis 

To treat your rotator cuff tendinitis, your doctor will advise you to avoid the activities that are causing the pain. Your doctor will also administer OTC (over-the-counter) pain relief drugs like ibuprofen to reduce the pain in your right shoulder.

To reduce the inflammation in your shoulder, taking nonsteroidal anti-inflammatory drugs (NSAIDs) like naproxen (Aleve). You can also apply cold packs to your shoulder 3 – 4 times every day. If any of these treatments don’t work, your doctor may recommend surgery.

2.Bursitis shoulder pain

The bursas in your shoulder are small, fluid-filled sacs that help to reduce friction between bones in your shoulder joints. When this bursa becomes inflamed, it could lead to extreme pain in your right shoulder.

Your shoulder bursitis may arise from an injury, an infection, or an underlying condition. The pain that accompanies your inflamed bursa may be manageable and usually affects the shoulders. However, the pain worsens when you lift objects overhead.

Other symptoms of shoulder bursitis include:

  • Pain when lying down on your shoulder
  • Shoulder pain occurs when you lift your arm to either side
  • Pain on the outside or top of your shoulder
  • Should pain occur when you circle your arm
  • Pain when pushing on or opening a door

People that use their shoulders frequently are more vulnerable to get shoulder bursitis. Other people with a higher risk of bursitis include:

  • carpenters
  • athletes
  • musicians
  • gardeners

Treating shoulder bursitis

To treat your shoulder bursitis, your doctor will recommend a lot of rest and other physical therapy, including applying ice compression to the inflamed shoulder.

Your doctor will administer pain reliefs and anti-inflammation medications to ease the pain. Your doctor may also extract the bursa fluid with a sterile syringe. In extreme cases, surgery to remove infected bursa fluid may be required.

3. Labral Tear of the Shoulder

Labral Tear
Labral Tear

Your labrum is small fibrocartilage (rubbery tissue) that connects to the rim of the shoulder socket and keeps the ball of the joint in position. It helps your shoulder move without problems or pain.

When this cartilage tears, it could cause pain in the right shoulder. You could experience a labral tear from injury or old age. For example, if you are repeating an overhead motion, your labrum may tear from overuse.

Labral tears of the right shoulder are usually accompanied by intense pain and difficulty moving your shoulder.

Treatment of labral tears of the shoulder

Your doctor will prescribe pain relievers and anti-inflammatory drugs to treat the pain and swelling caused by a labral tear.

Once the pain subsides, your doctor will advise you to work with a physical therapist to try exercises that will gradually strengthen your shoulder muscles. In some rare cases, you may require surgery to fix the labral tear in your shoulder.

4. Shoulder impingement

Impingement syndrome of the shoulder is an injury to the muscles between bones in the shoulder area.  Shoulder impingement occurs when your rotator cuff collides with your acromion (the top of your shoulder).

The condition is more common in athletes that use their shoulders frequently. For example, a baseball pitcher that has to swing his arms over his head repeatedly. The impact between your rotator cuff and your acromion could cause intense pain in your right shoulder.

Other symptoms of shoulder impingement in your right shoulder include:

  • Minor but persistent pain in your arm
  • Pain that worsens at night
  • Pain that goes from the front of your shoulder to the side of your arm
  • Weak arm and shoulder

Treatment for shoulder impingement

Home care is one of the simplest ways to treat your shoulder impingement. Make sure you take time off to rest; avoid strenuous activities or any movements that could worsen the pain, especially if you’re an athlete.

Your doctor may also ask you to place ice compresses on your shoulder for 10 to 15 minutes 3-4 times a day. The ice packs will help to reduce pain and any inflammation in your shoulder.

You can also take pain reliefs and nonsteroidal anti-inflammatory drugs such as ibuprofen (Advil, Motrin) to soothe the pain and reduce swelling.

If these medications don’t work, your doctor might recommend surgery to repair rotator cuff tears and steroid injections to reduce swelling and pain.

5. Osteoarthritis

Osteoarthritis is a degenerative disease that breaks down cartilage and other tissues around your joints. Although osteoarthritis can affect any joint in the body, it is very common in the knees, hips, and shoulders.

As the tissues around your shoulder joint weaken, the friction in the joint increases and cause pain in your right shoulder. Although osteoarthritis is prevalent in older people above 50, shoulder injuries can cause osteoarthritis in younger people.

Other conditions that could cause osteoarthritis in your shoulder include:

  • Old Age
  • A previous injury like shoulder dislocations
  • Heredity
  • Infection of the shoulder
  • Rotator cuff tears

Top tip: Athletes that participate in extreme sports are more vulnerable to developing osteoarthritis.

Treating osteoarthritis

Unfortunately, osteoarthritis cannot be reversed. However, there are different therapy methods to relieve the pain from osteoarthritis.

The key to treating osteoarthritis of the shoulder is getting plenty of rest, and avoiding activities that strain the shoulder. For example, instead of holding up your hairdresser to blow dry your hair, you could prop it up to avoid straining your shoulder.

Your doctor may also prescribe over-the-counter nonsteroidal anti-inflammatory drugs like ibuprofen or aspirin – these medications help to soothe the pain and reduce inflammation.

Your doctor may also refer you to a physical therapist who will give you exercises to improve your shoulder muscles’ function and flexibility.

You can apply moist heat or place ice packs on the shoulder for 20 minutes 3-4 times a day to relieve the pain and reduce the swelling in your right shoulder.

6. Frozen Shoulder

Frozen shoulder is a common condition that causes intense pain and stiffness in your right shoulder.

The condition is also known as adhesive capsulitis. The pain is caused by the stiffening of the muscles around your shoulder joint. Although the condition can affect anybody, it is more common in women and people with health complications such as;

  • Diabetes
  • Cardiovascular disease
  • Overactive thyroid (hyperthyroidism)
  • An underactive thyroid (hypothyroidism)
  • Tuberculosis
  • Parkinson’s disease

The pain from a frozen shoulder usually starts mild and worsens over time.

Treatment for Frozen shoulder

Although your frozen shoulder can resolve its own, it may take 12-18 months for your shoulder to heal fully. Make sure you avoid activities that may strain your shoulder.

Your doctor may recommend over-the-counter medications like Ibuprofen and Advil to soothe the pain and reduce inflammation in your right shoulder. In some cases, your doctor may administer steroid injections or may recommend surgery.

7. Dislocated shoulder

Pop Back Your Dislocated Shoulder
Pop Back Your Dislocated Shoulder

A dislocated shoulder is an injury that causes your upper arm bone to pop out of your shoulder socket forcefully. The forceful removal of the arm bone from the shoulder joint may tear shoulder muscles and increase the pain’s intensity.

Symptoms of a dislocated shoulder include:

  • A visibly deformed shoulder
  • Swelling
  • Bruising
  • Intense pain
  • Inability to move the joint

You may also feel numb, weak, or tingling around your dislocated shoulder.

Treating a dislocated shoulder

Your doctor will first fix your arm bone back in place then administer pain reliefs and nonsteroidal anti-inflammatory drugs to reduce the pain and swelling.

You may also have to use an arm sling to hold your shoulder in its normal position. Your doctor may also refer you to a physical therapist who will recommend exercises to improve healing. In some rare cases, you may require surgery in your right shoulder to tighten loose ligaments.

8. Calcific tendinitis

Calcific tendinitis is a condition that arises when calcium deposits form and lodge within the tendons of your shoulder’s rotator cuffs. The condition causes intense pain that makes moving the shoulder and arms difficult. The calcium deposits build up and cause pain in your shoulder.

Treatment for Calcific tendinitis

Your doctor will prescribe pain reliefs to ease the pain. If the pain in your shoulder persists, your doctor may recommend surgery to remove the calcium deposits in your shoulder.

9. Heart diseases

Some heart conditions can trigger pain in your right shoulder. If you have unexplained shoulder pain, you should check for other symptoms of a heart attack.

Other symptoms that may accompany the pain in your shoulder include:

  • Chest pain
  • Nausea or vomiting
  • Sweating
  • Dizziness
  • Difficulty breathing

Treatment for heart diseases

To treat the pain in your shoulder, you have to address the underlying condition. The earlier you treat heart conditions, the better your chances are for a full recovery.

10. Pinched Nerve in the neck or shoulder

Pinched Nerve in Shoulder Blade

When too much pressure is applied to the nerve, the nerve is compressed. This is usually caused by keeping the body in the same position for a long time. Poor sleeping posture, sitting at the desk for a few hours, long air travel will cause Pinched nerve in the shoulder. Both medication and physical therapy can help get rid of this problem.

Read: How to Heal a Pinched Nerve in The Shoulder or Back?

11. Sprains and strains

Sprains and strains are also one of the main causes of shoulder pain. This type of injury is generally caused by overwork and is often common among manual workers and athletes. You need to judge whether to seek medical help based on the severity.

12. Arthritis

There are many symptoms of arthritis including shoulder pain. This condition is often very common in the elderly. You can choose medication, surgery, or physical therapy to help relieve shoulder pain.

Treatment For Shoulder Pain in Left or Right Side

The treatment of shoulder pain often depends on the cause and severity of the pain. If your pain is mild, you can choose to treat it at home. Wrap the ice cube in a towel and place it on the painful area of ​​your shoulder for 15 to 20 minutes each time. This can effectively help relieve pain in your shoulder. Be careful not to put ice directly on the skin, it will cause frostbite and burn the skin.

In addition, you can use over-the-counter non-steroidal anti-inflammatory drugs or corticosteroids to help reduce pain and inflammation. Then compress the area with an elastic bandage or shoulder anchor to reduce swelling. Always consult your health doctor before taking medication.

Exercises for Shoulder Pain on Left or Right Side

Shoulder Stretch: Perform this exercise a total of 10 times.  Squeeze your shoulder blades together and hold for five seconds then pull your shoulder blades forward and hold for five seconds.

Door Presses: Standing in a doorway, put your arm out directly in front of you, place the back of your wrist against the door frame.  Push your arm against the door frame holding for five seconds. Repeat this action ten times before moving onto your other arm.

Door Rest: Once again, standing in a doorway, lift both hands above your head, either side of the door entrance.  Slowly lean forward, using your arms to support you until you feel some tension in your shoulders.  Hold for a maximum of 30 seconds before repeating four more times.

When Should You See Your Doctor For Shoulder Pain?

Usually, the pain in your right shoulder is rarely life-threatening. In most cases, the pain in your shoulder should heal within a few weeks of home treatment.

However, the pain in your right shoulder can also be a cause of concern, especially if the pain is not a result of an injury. You should visit your doctor if you’re experiencing symptoms such as:

  • Inability to move your shoulder
  • Pain that persists over for a long time
  • Trouble breathing
  • Dizziness
  • Pain in your neck or jaw
  • Chest tightness

Conclusion

If you are experiencing any form of pain in the shoulder, there could be various underlying causes. Thankfully most shoulder issues last for a short period and usually can be healed without any medical intervention.

Sometimes if the problem is persistent and lasts a long time, it may point indicate the presence of conditions such as osteoarthritis or other muscular issues. If the condition is serious, you’d better seek medical help as soon as possible. In very serious cases, surgery may be required.

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