What Are the Signs of an Allergic Reaction to Marijuana?

Alicia Sparks

If a person experiences an allergic reaction to marijuana, he could experience the same types of allergy symptoms as he would with pollen, bee stings, or other common allergens. He might develop skin rashes or hives or breathing difficulties and throat problems. For many people, these reactions aren’t dependent upon how they come into contact with the marijuana. This means they could have allergic reactions if they smoke it, ingest it, or even touch it. Not all experts are in agreement as to exactly what causes the allergic reactions, but anyone experiencing a reaction should seek immediate medical attention.

An individual who is allergic to marijuana may experience throat problems.
An individual who is allergic to marijuana may experience throat problems.

Signs of an allergic reaction to marijuana are similar to some of the same types of allergic reactions to other allergens. Common skin problems include itching, rashes, and hives. People also have reported wheezing, swollen and sore throats, and sinusitis. Extreme cases have included nausea and vomiting, chest tightening and anxiety attacks, and intestinal cramping. Some patients have even reported flu-like symptoms including body aches, chills, and fatigue.

Signs of an allergic reaction to marijuana may include sinusitis.
Signs of an allergic reaction to marijuana may include sinusitis.

Smoking marijuana might not be the only way to experience an allergic reaction. Some people have reported reactions from touching the plant. People who consume marijuana in other ways have also reported allergic reactions. For example, a person who injects liquids or eats food with marijuana in it can experience an allergic reaction.

Signs of an allergic reaction to marijuana may include abdominal pain.
Signs of an allergic reaction to marijuana may include abdominal pain.

Some experts believe that this type of allergic reaction isn’t at all surprising, given the fact that marijuana is a plant and plants are allergens for many people. Others speculate that the reaction isn't actually caused by the marijuana, but rather to any chemicals used to grow it. Since some people use pesticides and other chemicals while growing marijuana, some people might have a reaction to these chemicals.

People experiencing an allergic reaction to marijuana may report chest pain.
People experiencing an allergic reaction to marijuana may report chest pain.

Whenever a person experiences any kind of allergic reaction to an unknown substance, or for an unknown reason, he should seek medical attention. Smoking marijuana might make a person hesitate to seek medical treatment, but like other kinds of allergic reactions, one to marijuana could become dangerous. While some allergy symptoms go away on their own, others require prescription medication. Skin rashes might go away in a few hours, for example, but chest tightening and difficulty breathing could become life-threatening.

People experiencing an allergic reaction to marijuana may encounter muscle weakness and fatigue.
People experiencing an allergic reaction to marijuana may encounter muscle weakness and fatigue.
Signs of an allergic reaction to marijuana may include hives.
Signs of an allergic reaction to marijuana may include hives.
Itching and rashes are common skin problems associated with an allergic reaction to marijuana.
Itching and rashes are common skin problems associated with an allergic reaction to marijuana.
Some experts say that allergic reactions to marijuana may actually be caused by the chemicals that were used to grow the plant.
Some experts say that allergic reactions to marijuana may actually be caused by the chemicals that were used to grow the plant.
In rare cases, an individual may be so allergic to marijuana that even touching it triggers an allergic reaction.
In rare cases, an individual may be so allergic to marijuana that even touching it triggers an allergic reaction.

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Discussion Comments

anon996920

I've been experiencing really large, itchy hives whenever handling certain varieties, usually Sativas. Bought some Benadryl, Caladryl, mask and gloves.

anon992539

Paranoia feeds ignorance as knowledge.

anon992476

I experience burning of my lips and face when I smoke marijuana also the corner of my mouth seen to be turning white. Has any one else experienced this?

anon976663

Is facial numbness a symptom? I smoked a few hours ago to calm my anxiety and the last time I did it my lips got tingly and my eyes did, too. but this is persisting. I'm thinking of taking benadryl.

anon971464

Epinephrine is used for allergic reactions. Epinephrine is pretty much adrenaline. Another thing that helps is laying your friend down and raising their feet up to pump blood to the heart.

anon352208

I was pruning a few of my plants. The next day I had a huge rash on both forearms. I lasted for six days and itched like hell.

Then my friend tells me, "Oh yea, that breed always made me itch but not like that. Next time, wear long sleeves and then wash it before you wear it again" Thanks. I will have to remember that next time.

anon343507

I have a sister who is allergic to the smell. It causes her eyes to swell and burn and water, a severe headache, chest tightens and pain, her throat swells, and it makes her very tried. What can I do to help her as far as meds or treatment, or cure?

anon271669

Thanks for this, really. I panicked when I touched some bud and touched my chest. Well, I ended up with hives wherever I touched. Just took some benadryl.

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