
Dr. John Watterson, MD, FRCPC , Vancouver, BC
Osteoarthritis commonly affects:
- Knees
- Hips
- Hands and fingers
- Spine
- Feet
Symptoms
- Joint pain during or after movement
- Stiffness, especially after waking up or resting
- Reduced flexibility or range of motion
- A grating sensation (bones rubbing together)
- Swelling around the joint
- Bone spurs (extra bone growths)
Dr. John Watterson, MD, FRCPC , Vancouver, BC
Acetaminophen and NSAIDs
Both acetaminophen (paracetamol) and NSAIDs (nonsteroidal anti-inflammatory drugs) are used to relieve pain, but they work differently.
| Acetaminophen | NSAIDs | |
|---|---|---|
| Main effect | Reduces pain and fever | Reduces pain, fever, and inflammation |
| Examples | Acetaminophen/Tylenol | Ibuprofen, naproxen, diclofenac |
| Arthritis | Helps pain but doesn’t treat inflammation | Can help inflammatory arthritis symptoms |
| Main concerns | Liver toxicity with excessive doses | Stomach bleeding, kidney problems, blood press |
Osteoarthritis (OA) Nutrition: MINDS MUSCLE MEALS
Dr. Maziar Badii, Rheumatologist, Vancouver, BC
Which color is best?
Red peppers generally contain more vitamin C and carotenoids than green peppers because they are more mature. However, green, yellow, and orange peppers are also nutritious, so eating a variety is reasonable.
Bell peppers and “nightshades”
Bell peppers are part of the nightshade family, along with tomatoes, eggplant, and potatoes. Some people believe nightshades worsen arthritis, but there is not strong evidence that they generally increase arthritis inflammation. Unless you consistently notice symptoms after eating them, there is generally no evidence-based reason to eliminate bell peppers.
For rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis, the overall dietary pattern matters much more than any individual vegetable.
Bell peppers and arthritis
Bell peppers can be a nutritious addition to an arthritis-friendly diet, although they don’t cure arthritis or replace medical treatment.
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Vitamin C: Bell peppers are particularly rich in vitamin C, which is needed for collagen production and normal connective-tissue health.
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Antioxidants: Red, yellow, and orange peppers contain carotenoids and other antioxidant compounds that help protect cells from oxidative stress.
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Potential anti-inflammatory effects: Some compounds in peppers have anti-inflammatory activity in laboratory research, but evidence that eating bell peppers specifically reduces arthritis pain or inflammation in humans is limited.
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Low calorie and high in nutrients: They provide vitamins and fiber while contributing relatively few calories, which can be useful for maintaining a healthy weight and reducing mechanical stress on weight-bearing joints.
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Heart health: Bell peppers fit well into a heart-healthy diet, which is especially relevant for people with inflammatory arthritis such as rheumatoid arthritis.
Dr. Maziar Badii, Rheumatologist, Vancouver, BC
Featuring Dr. Stefanie Wade, Rheumatologist, Vancouver, BC
Featuring Dr. Stefanie Wade, Rheumatologist, Vancouver, BC
Featuring Dr. Jason Kur, MD, FRCPC Vancouver, BC
Common mental health impacts include:
- Depression: Chronic pain, reduced mobility, and loss of independence can increase the risk of depression.
- Anxiety: People may worry about worsening symptoms, future disability, or their ability to work and perform daily activities.
- Stress: Ongoing pain and physical limitations can create significant emotional stress.
- Sleep problems: Pain often disrupts sleep, and poor sleep can worsen mood, concentration, and overall mental well-being.
- Social isolation: Difficulty participating in activities, hobbies, or social events can lead to loneliness and reduced social connection.
- Cognitive effects: While OA does not directly cause dementia or major cognitive impairment, chronic pain and poor sleep can affect attention, memory, and mental clarity.
Research has found that people with OA experience depression and anxiety at higher rates than the general population, partly because chronic pain affects both physical and emotional health.
If you or someone you know has OA and is experiencing persistent sadness, anxiety, loss of interest in activities, or significant changes in sleep or appetite, it’s worth discussing these symptoms with a healthcare professional. Treatment approaches such as pain management, physical activity, counseling, and, when appropriate, medication can help address both the physical and mental aspects of OA.
Osteoarthritis (OA) Exercise: MINDS MUSCLE MEALS
Mr. Nick Pratap, Kinesiologist, Vancouver, BC
Mr. Nick Pratap, Kinesiologist, Vancouver, BC
Mr. Nick Pratap, Kinesiologist, Vancouver, BC
Mr. Bradley Vance, Physiotherapist, Surrey, BC
Treatment
While osteoarthritis cannot be reversed, treatments can help manage symptoms:
- Regular low-impact exercise (walking, swimming, cycling)
- Weight management
- Physical therapy
- Pain-relief medications such as Acetaminophen or Ibuprofen
- Joint injections in some cases
- Joint replacement surgery for severe disease

Risk Factors
- Aging
- Previous joint injuries
- Excess body weight
- Repetitive stress on joints
- Family history
- Certain bone or joint abnormalities
Dr Grant lum Sports Medicine Physican, Toronto
Knee osteoarthritis (OA) occurs when the tissues within the knee joint gradually deteriorate, particularly the cartilage that helps the joint move smoothly. It can cause pain, stiffness, swelling, and difficulty walking or using stairs.
Common symptoms
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Knee pain, often worse with walking, stairs, or prolonged standing
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Stiffness after sitting or resting
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Swelling or tenderness
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Reduced knee movement
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Clicking, grinding, or a sensation of catching
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Reduced ability to walk or perform usual activities
Treatment options
Treatment is usually tailored to the severity of symptoms and how much they affect daily activities.

Osteoarthritis (OA) knee pain is pain caused by the gradual breakdown of cartilage in the knee joint. As the cartilage wears down, the bones and surrounding tissues can become irritated, leading to pain, stiffness, and reduced mobility.
Common symptoms
Knee pain that worsens with activity and improves with rest
Stiffness, especially after waking up or sitting for a long time
Swelling around the knee
A grinding, clicking, or crackling sensation during movement
Reduced range of motion
Difficulty walking, climbing stairs, or getting up from a chair
Dr. John Watterson, MD, FRCPC , Vancouver, BC
Dr Kamran Shojania, Rheumatologist, Vancouver, BC
Dr Kamran Shojania, Rheumatologist, Vancouver, BC
Dr. Grant Lum Sports Medicine ,Toronto.
Benefits for osteoarthritis
Research suggests isometric exercises may help:
- Reduce joint pain
- Improve muscle strength around affected joints
- Enhance joint stability
- Improve physical function
- Place less stress on painful joints compared with some dynamic exercises
These benefits are especially relevant for OA affecting the knees, hips, or hands.
Rheumatoid arthritis (RA) can cause significant knee pain because the immune system attacks the joint lining, producing inflammation. Unlike osteoarthritis, RA is an autoimmune inflammatory disease, so controlling the underlying inflammation is an important part of treatment.
Typical knee symptoms
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Pain and tenderness
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Swelling and warmth
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Stiffness, particularly in the morning or after inactivity
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Difficulty bending or straightening the knee
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Pain in both knees or other joints at the same time
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Flares in which pain and swelling suddenly become worse
Treatment
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DMARDs: Medicines such as methotrexate or leflunomide treat the underlying RA and help prevent joint damage. They are not simply painkillers.
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Biologic or targeted medicines: If RA remains active despite conventional DMARDs, a rheumatologist may consider biologic medicines or targeted therapies.
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NSAIDs: Ibuprofen or naproxen can help reduce pain and inflammation, but they don’t prevent progression of RA.
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Acetaminophen: Can help with pain but doesn’t treat the underlying inflammation.
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Corticosteroids: Prednisone or an injection into the knee can sometimes provide short-term relief during significant inflammation. Long-term prednisone use is generally avoided when possible because of its side effects.
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Physiotherapy/exercise: Strengthening the muscles around the knee and maintaining range of motion can help preserve function. During an active flare, exercise may need to be modified.
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Surgery: If inflammation has caused severe, irreversible joint damage and symptoms remain disabling, knee replacement may sometimes be considered.
