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Cannabis For Cold & Flu: Can Weed Help Fight The Common Cold?

As research has started to show, cannabis produces a variety of cannabinoids and other compounds with therapeutic potential. But are they able to help alleviate cold and flu symptoms? We can’t say for certain, but the current studies out there look promising.

The common cold and flu can spread through an office or campus like wildfire. Sit next to the wrong person, and you could find yourself coming down with something the next day. Sure, minor colds might give you a stuffy nose for a few days. At the same time, if you get a bad case of the flu, it can knock you down for a couple of weeks.

Now, most people reach for acetaminophen and copious amounts of tea when feeling under the weather. Those are all great, but there might be other (read: more fun) options to help take the edge off. What’s better, those options come in the form of delightful cannabis buds.

WHAT CAUSES THE COMMON COLD?

Over 200 different viruses can cause symptoms of the common cold. Sure, old wives tales blame chilly weather as the culprit, but the condition could actually be underpinned by hundreds of different microbes.

People come down with symptoms of the common cold after breathing in viral particles. These pathogens usually enter your lungs after you’ve been near someone coughing, sneezing, or simply breathing. You’re also vulnerable if you touch a contaminated surface and wipe your mouth/pick your nose without washing your hands.

The common cold can strike at any time, but infection rates increase dramatically during autumn and winter. The lack of humidity during these months causes the nasal passages to become dry, contributing to infection. The start of the academic year also means there are more people in close proximity, which helps cold viruses spread.

Several risk factors also increase a person’s chances of catching a cold. These include:

• Being young or old: The youngest and oldest people are most at-risk for serious cases
• Having a compromised immune system
• Being a frequent smoker

HOW COMMON COLDS AFFECT THE BODY

Colds viruses, right off the bat, cause upper respiratory infections. When viral particles first enter the airways, your immune system rises to the occasion.

White blood cells will first differentiate between foreign pathogens and the body’s own cells. Once they identify the enemy, these white blood cells—including leukocytes and natural killer cells—being to wage war.

Soon after, the adaptive immune system kicks in. White blood cells manufacture antibodies specifically designed to combat the new pathogen. These proteins mean the body can defend itself against future infections by the same pathogen.

You’ll experience many physical symptoms during this microscopic war. These usually include:

• Stuffy nose
• Sneezing
• Hoarseness
• Cough
• Earache
• Low-grade fever
• Fatigue

Most people recover before anything else happens. It doesn’t fade as easily for everyone, though. Symptoms of an advanced cold include:

• Ear infection
• Sinusitis
• Strep throat
• Chest infection

CAN CANNABIS HELP RELIEVE COMMON COLD SYMPTOMS?

No cure exists for the cold. You simply need to endure it until the body defeats the pathogen. However, conventional approaches like painkillers and decongestants are designed to reduce symptoms. Alternative treatments such as zinc, vitamin C, and other herbal remedies also appear to help.

Cannabis, as it turns out, might belong in the latter category. Humans have used the herb to address many different ailments for thousands of years. Sceptical of ancient practices, though? Modern scientific analysis has also shown that many of the phytochemicals in cannabis possess therapeutic potential.

That being said, little to no evidence exists that cannabis can alleviate the common cold. No human trials have demonstrated if the herb helps or hurts the body as it works to kill the virus. However, certain chemicals within the plant show the potential to help tackle some of the symptoms.

INFLAMMATION

All of the symptoms of the common cold stem from inflammation [1] . Your immune system—not the pathogen—underpins symptoms such as a sore throat and runny nose. The body instigates an inflammatory response for a key reason: to allow white blood cells easier passage through the tissues to reach the site of infection.

Although inflammation serves a purpose, it can lead to uncomfortable sensations. Hence, anti-inflammatory drugs such as NSAIDs are often advised to reduce cold symptoms. As it happens, cannabis also produces molecules with anti-inflammatory potential.

Research published in the European Journal of Pharmacology [2] in 2019 tested the effects of CBD on airway inflammation in mice with asthma. After administering CBD, they found the cannabinoid to not only decrease inflammation symptoms, but to improve their airway remodelling processes. CBD was believed to exert these immunomodulatory effects via signalling of CB1 and CB2 receptors.

Previous research published in 2015 [3] found CBD to improve lung function and inflammation in mice. Additional research published in Immunopharmacology [4] examined the effects of THC and CBD on cytokine production in human immune cells. Cytokines are signalling molecules used to drive inflammatory responses. Fortunately, both THC and CBD were observed to strongly inhibit cytokine production.

Along with inflammation, CBD may help to reduce cold and flu-related pain. For example, a 2007 study [5] found CBD to act as an orally effective therapeutic agent for chronic inflammatory and neuropathic pain in mice.

However, it might work better for pain when taken alongside THC. Researchers found that CBD enhanced [6] and prolonged THC’s pain-reducing effects when the two cannabinoids were given to mice in combination.

Neither of these studies say anything about how these treatments will work for humans. Considering that, though, they’re promising starting points for future research.

POOR-QUALITY SLEEP

Lack of sleep seriously disturbs immune function. In fact, people who are sleep deprived are more likely to get sick [7] after being exposed to a common cold virus. In turn, getting a good amount of sleep while sick can also change how fast your body recovers.

Adding another potential benefit to the checklist, studies suggest that CBD may help people fall asleep [8] and stay asleep. Researchers believe these effects are partly caused by a reduction in anxiety that otherwise keeps people awake.

THC may also help to decrease the amount of time [9] it takes to fall asleep. However, heavy and long-term use appears to actually decrease sleep quality [10] by reducing REM sleep.

Many cannabis strains also produce high levels of the terpene myrcene. The molecule displays soporific effects, with research [11] showing it to enhance muscle relaxation and increase sleep time in mice.

DOES SMOKING CANNABIS MAKE A COLD OR FLU WORSE?

So far, we’ve been making a good case for cannabinoids. The act of smoking, however, is another issue.

Of course, letting carcinogenic compounds into your airways when you have a respiratory illness won’t do your body any favours. No evidence suggests that doing so will make your condition worse, but it makes sense to avoid it. Harsh smoke might exacerbate an already sore and dry throat, ultimately making those symptoms worse.

WHAT’S THE BEST WAY TO USE CANNABIS FOR THE COMMON COLD?

Thankfully, you can consume cannabis in many different ways. Even better, most of them don’t involve passing hot smoke down your sore, cold-ridden throat.

MAKE YOUR OWN CANNABIS TEA

A warm cup of tea does wonders to lift the spirits when you’re cold-stricken. In turn, adding a touch of cannabis to the mix might be just what you need to ease your symptoms. Cannabis tea allows users to avoid inhaling anything, and it produces more intense effects than smoking. Use our simple recipe to brew up a batch next time you start feeling a cold coming on.

CANNABIS TOPICALS

The common cold often causes fatigue and aching muscles. It just so happens that topical CBD can potentially help stave off these issues. Since you’re applying it directly to the skin as a gel, lotion, or balm, it’s able to more directly target the source of the issue.

CANNABIS EDIBLES

Edibles allow users to bypass smoking, sending cannabinoids directly through the GI tract and into the bloodstream. Edibles take longer to set in due to their extended metabolic pathway, but the effects are often much more pronounced. You can even make cannabutter at home to infuse your favourite dish with high levels of THC, CBD, or both.

VAPING

Unlike smoking, vaping’s low temperatures preserve every cannabinoid in the bud or concentrate. By only heating a bit past the decarboxylation point, the cannabinoids and terpenes can be vaporized without burning plant matter. This lack of combustion makes inhaling cannabinoids much less harsh on the throat.

DOES CBD OIL HELP WITH THE COMMON COLD?

Well, we don’t have any evidence that CBD oil will help cure your cold. However, the studies we covered above suggest that the cannabinoid might help relieve some of the symptoms. High-quality, full-spectrum CBD oils also bring lots of synergistic cannabinoids and terpenes in tow, many of which could potentially offer further symptom relief.

SHOULD YOU USE CANNABIS IF YOU HAVE A COLD OR FLU?

The jury is still out. Really, it depends on the individual. The only way to truly know if it works for you is to give it a go. Carefully dose out your cannabinoids as your immune system gets to work, and pay attention to see if your symptoms begin to reduce.

Humans have used cannabis for holistic purposes for thousands of years, but could it possibly help with one of the most common health issues out there?

I’m Sick. Should I Smoke Weed?

During cold and flu season, it can feel like there’s no escape from the sniffles, sore throats and piles of tissue. Some folks might be thinking about turning to weed to ease the aches and pains of a cold or flu. But is smoking weed a good idea when you’re feeling under the weather?

How does smoking cannabis affect healthy lungs?

If you’re experiencing respiratory symptoms, remember that smoking anything, including cannabis, causes irritation to the lungs. When you light cannabis on fire, the cannabinoids, terpenes, and other plant molecules combust and give off smoke that transports the molecules into your lungs and your bloodstream. With this smoke comes compounds produced by combustion that can be harmful to the lungs. Smoking damages the cells in your lungs that protect them against germs and dust, leading to more mucus production and the potential for bacterial infection. The increase of mucus also makes it easier for bacteria to grow and remain in the lungs. Lung issues such as bronchitis and pneumonia can turn into chronic issues with continued smoking.

How does smoking cannabis affect me when I’m sick?

If you feel like you have a cold or the flu, smoking weed really depends on personal preference. The consensus among doctors is that cannabis does not affect the common cold or flu. It can cause discomfort if you’re already irritated, but it can also soothe muscle aches and inflammation caused by flu or fever. Cannabis smoke has been shown to have analgesic and anti-inflammatory effects , both of which can help with fever aches and soothe a swollen throat. Smoking weed can also increase your appetite and help you sleep when rest is elusive.

While it’s up to personal experience whether smoking hurts or helps when you’re sick, there’s an increased risk of spreading your illness when smoking with others, particularly when you’re sharing a joint, bowl, or bong among a group. When all is said and done, you don’t need to smoke to cannabis to enjoy its benefits. If you have respiratory issues, consider tinctures or edibles in lieu of smoking.

Can I smoke cannabis with OTC medicine?

Most doctors recommend caution when using cannabis with over-the-counter remedies, as cannabis can sometimes worsen the existing effects of the medicine. These side-effects include dry mouth, sedation, blurry vision, and dizziness. Always consult your doctor before mixing cannabis with other medications.

Why do I get sick when I smoke cannabis?

Marijuana contains several active compounds, including THC, that bind to receptors in the endocannabinoid system. These receptors are present throughout the body, including the digestive tract and the esophageal sphincter, the band of muscle that allows food into the stomach from the esophagus. Long-term exposure to cannabis can change the way these receptors respond and lead to symptoms of a condition called Cannabinoid Hyperemesis Syndrome.

Cannabinoid Hyperemesis Syndrome is a condition that leads to severe, repeated bouts of vomiting and only occurs in long-term, daily users of cannabis. While the condition is rare, it can lead to abdominal pain, ongoing nausea, decreased food intake and symptoms of dehydration.

Many people take long showers or seek medical care when these symptoms arise, and they only stop when an individual completely stops using cannabis. The recovery phase can last days or months, and symptoms can often return if a person smokes marijuana again.

So, can I smoke weed when I’m sick?

The bottom line is that cannabis can better or worsen symptoms of illness depending on the consumption method you use and your body’s individual response. It’s best to consult your doctor if you’re considering consuming cannabis while sick. Also, consider your friends and family should you be thinking about partaking in a group session while you’re under the weather. Germs are easily spread when you share glass, joints and blunts.

I’m Sick. Should I Smoke Weed? During cold and flu season, it can feel like there’s no escape from the sniffles, sore throats and piles of tissue. Some folks might be thinking about turning to