CBD or Cannabis for Chronic Pain: Side Effects

By Isabella TortaOctober 03, 2025

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Chronic pain is a condition that affects millions of people, often with devastating impacts on quality of life.

When traditional medications like opioids aren't enough or cause side effects, many patients seek alternative solutions.

Among these, medical cannabis is gaining increasing attention, but we must be careful because not all that glitters is gold .

What is chronic pain and why is it difficult to treat?

Chronic pain is defined as a painful sensation that persists for more than three months.

It can be of neuropathic, inflammatory or musculoskeletal origin, as in the case of joint pain.

Traditional medications, including NSAIDs and opioids, offer temporary relief but carry risks of addiction, tolerance, and side effects.

Can medical cannabis be used for chronic pain?

Chronic pain is one of the most debilitating and widespread conditions, often resistant to conventional medications. In this context, many patients turn to medical cannabis in the hope of finding relief.

👉 But does it really work? And above all: is it safe?

Cannabis and Chronic Pain: Limited Benefits and Risks to Consider

In Italy, medical cannabis can be prescribed to treat some forms of chronic pain, especially neuropathic pain. However, clinical results are mixed :

Pain relief is often partial and not always long-lasting.
The presence of THC can reduce the perception of pain, but compromises memory, attention and lucidity .
Prolonged use leads to the development of tolerance, forcing increased doses.
Side effects include anxiety, sleep disturbances, and mood changes .

👉 For this reason, talking about cannabis and chronic pain means considering both the potential and the limitations , especially related to THC .

CBD: Its Role in Pain Management

CBD, or cannabidiol, is a non-psychoactive cannabinoid that acts as a pain modulator. Unlike THC, it does not alter cognitive function and is not addictive.

CBD for pain: how it works

It regulates TRPV1 and TRPV2 receptors, involved in the perception of inflammatory pain.
It interacts with the μ and δ opioid receptors, promoting a natural action on the endogenous pain system.
It stimulates CB1 and CB2 receptors, contributing to neurochemical rebalancing and reducing inflammation.

✅ CBD for pain offers gradual and sustainable relief, ideal for those suffering from joint or neuropathic pain.

Open hands holding a cannabis leaf and in the other a bottle of 20% Agrilab CBD oil

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Cannabis as an anti-inflammatory: does it really work?

Many also attribute anti-inflammatory properties to medical cannabis . But what does science say?

THC and inflammation: conflicting results

THC can alter cytokine regulation and increase oxidative stress, but it does not directly affect inflammatory processes. The anti-inflammatory effect is therefore inconsistent and unpredictable.

CBD and inflammation: a more promising approach

CBD , on the other hand, shows greater efficacy in modulating inflammation, especially in cases of chronic pain with an inflammatory component. CBD oil for pain , rich in isolated CBD without THC , is often used for topical or systemic applications.

THC and inflammation: a not-so-effective response

THC , while reducing painful symptoms, does not directly affect inflammatory mechanisms. Some studies show that it can:

Alter the regulation of inflammatory cytokines.
Increase oxidative stress.
Compromising the immune response.

👉 Consequently, the anti-inflammatory effect of compositions with THC are inconsistent, unpredictable and not always beneficial for the patient.

Is CBD a pain reliever?

Yes, but not in the traditional sense.

CBD Isolate: A Modulator, Not a Sedative

Isolated CBD doesn't "suppress" pain like NSAIDs or opioids. Rather, it regulates the activity of receptors involved in pain transmission and perception:

5-HT1A → reduces anxiety and central amplification of pain.
TRPV1 and TRPV2 → modulate inflammatory and neuropathic pain.
GABA and glycine → promote relaxation and inhibition of nociceptive transmission.
μ and δ opioid receptors → natural action on the endogenous pain system.
CB1 and CB2 → neurochemical rebalancing and reduction of inflammation.

✅ The result is a gradual and stable improvement, without side effects, tolerance or addiction.

📌 Bottom line : CBD isolate , on the other hand, offers a safe, customizable, and more effective long-term option, especially for those seeking real, risk-free relief.

Conclusion

The relationship between CBD and chronic pain is complex and deserves a multidisciplinary approach. While THC has clinical limitations and risks, isolated CBD emerges as a valuable resource in pain management.

Find out how CBD Isolate can help with various conditions.

👉 Keep following us on the blog : in the next articles we will talk about all the pathologies that can be supported by CBD isolate.

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