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Doctor insights on: Symptoms Of Allergic Reaction To Caffeine

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Am i allergic to coffee or caffeine? I've noticed that depending on what kind of coffee i consume my face and scalp can get itchy and i feel like i may be having a minor allergic reaction. I notice it most when i drink a large drip coffee from starbucks o

Am i allergic to coffee or caffeine? I've noticed that depending on what kind of coffee i consume my face and scalp can get itchy and i feel like i may be having a minor allergic reaction. I notice it most when i drink a large drip coffee from starbucks o

Adverse reaction: Eliminate the coffee from your diet but consider keeping caffeine (soda pop, chocolate) in the diet to see if it is the coffee. If it persists, it might be the caffeine. If it resolves, consider trying the coffee again or a different brand in 4-6 weeks to see if this recurs. ...Read more

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Dr. John Chiu
2,586 doctors shared insights

Allergies (Definition)

Allergies occur when your immune system is triggered by envirionmental factors it should ignore--for example, pollen in the air, or dander on a cat or dog--and creates cells to fight against them. An allergic reaction typically causes itching, congestion, or drainage, and ...Read more


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Significantly reduced my caffeine intake recently and now my allergies, throat tightening etc., seem somewhat worse. Correlation or imagination?

Significantly reduced my caffeine intake recently and now my allergies, throat tightening etc., seem somewhat worse.  Correlation or imagination?

No.: Caffeine has been shown to help with bronchodilation (relaxation of the small tubes in your lungs) which helps with air movement. Asthmatics have noted slight symptomatic benefit after ingesting caffeine. This may help your "allergies" depending on what those symptoms may be. Your dose of caffeine would also have to be taken into consideration. ...Read more

Dr. Arif Khan Dr. Khan
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30 yr-old with chronic pain and narcolepsy who chooses to self medicate with marijuana. Feels strongly that cannabis is alleviating the symptoms.....?

Dr. Arif Khan Dr. Khan
6 doctors agreed:
30 yr-old with chronic pain and narcolepsy who chooses to self medicate with marijuana. Feels strongly that cannabis is alleviating the symptoms.....?

Undetermined: At federal level - marijuana is still illegal. At state level - legalized in some, not so in others. Therefore, physicians at this time are legally bound to not recommend marijuana for routine use. More importantly, marijuana has not been studied for treatment of chronic pain and we do not know if it truly helps. Jury is still Out there.. ...Read more

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Hi, allergic to caffeine, gives extreme anxiety and nocturnal attacks, for a week, but have same reaction to camomile tea? Which has no caffeine?

Hi, allergic to caffeine, gives extreme anxiety and nocturnal attacks, for a week, but have same reaction to camomile tea? Which has no caffeine?

Camomile is calming: Sorry you had a caffeine attack. Camomile is touted as a calming agent and is used to relax before sleep. Some of the dried teas have mold and that might be what you reacted to. I can't tell you which camomile tea has caffeine as that is beyond my scope. I do know, however, that celestial seasonings contains caffeine. Hope this helps a little. Regards, dr catherine shaw. ...Read more

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Since stimulants are used to treat adultadhd, and caffeine is a stimulant, can too much ingestion of caffeine cause a negative reaction to the person?

Since stimulants are used to treat adultadhd, and caffeine is a stimulant, can too much ingestion of caffeine cause a negative reaction to the person?

Yes!: Too much caffeine can cause anxiety and heart rhythm abnormalities as well as excessive urination and dehydration. Caffeine also disrupts sleep setting off a vicious cycle of decreased, fitful sleep and then excessive caffeine to increase alertness. ...Read more

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How would I go about confirming a caffeine allergy/ intolerance? When I consume caffeine I have what seems to be an anaphylactic reaction.

How would I go about confirming a caffeine allergy/ intolerance? When I consume caffeine I have what seems to be an anaphylactic reaction.

Distinctly Unusual: Caffeine allergy is unusual but has been reported in the literature. After speaking to your allergist and clarifying your history, there are several options that could be explored. Skin testing could be done but there is no standardized skin test reagents for caffeine thus the results must be interpreted with care. Oral challenges could be considered but only with your physicians supervision. ...Read more

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How do you know if you are overdosing on caffeine pills; what are the symptoms?

Follow instructions: If you follow the instruction on the package, you are unlikely to take a dose sufficient to cause any significant problem. There is no good way to tell if you are taking too much by your symptoms since by that time you are likely to have already taken too much. ...Read more

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What are the primary symptoms of excess caffeine and tobacco use?

What are the primary symptoms of excess caffeine and tobacco use?

Hyperness: Excessive caffeine may cause jitterness and hyperness and alertness. Sometimes a person may feel their stomach is bothering them and they may speak rapidly. Too much nicotine can actually cause a person to fall asleep and pass out. Lesser, but still high doses of nicotine can cause dizziness, blurry vision, headache and vomiting. Everything in moderation is generally a good guide. ...Read more

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My heartbeat is so irregular I can't count it! Could this be a symptom of a caffeine overdose?

My heartbeat is so irregular I can't count it! Could this be a symptom of a caffeine overdose?

Atrial fibrillation?: It sounds like you have atrial fibrillation. Without modifying medication, it would usually be in the range of about 170 beats per minute and highly irregular. If you've never had this before, you should go to the ER now to document it and receive initial treatment. ...Read more

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How much caffeine is too much? When would withdrawl symptoms come into effect. What do they look like.

No clear answer: Caffeine withdrawl is familiar to anyone who stops and stays off for a few days. There's a headache, irritability, and tiredness. Sleep may be very deep and pleasant and the dreams vivid. Unlike other drugs, nobody has difficulty withdrawing from caffeine. It's the most popular of all drugs and on the evidence remarkably safe, but use it only to benefit you -- you pay in being more tired later. ...Read more

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Help please! is dizziness a withdrawal symptom on caffeine?

Help please! is dizziness a withdrawal symptom on caffeine?

Flu like sxs: Caffeine withdrawal sxs can last a up to two weeks & can begin 12 to 36 hours after you stop caffeine use. Symptoms can include nervousness, irritability, low mood, mood swings, feeling tired, headaches, poor concentration, nausea, vomiting & muscular aches & pains. ...Read more

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When I have caffeine i feel faint. Am i allergic?

When I have caffeine i feel faint. Am i allergic?

No: Caffeine itself does not cause allergic reactions, but certainly has adverse side effects including headache, tremor, jitteriness, GI upset, etc. Side effects are generally dose related, meaning, the more caffeine, the more likely and intense the side effects. There are reports of allergy to tea and coffee, but this is unrelated to the caffeine. Go caffeine free and feel better! ...Read more

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Is it medically possible to become allergic to caffeine overnight?

Is it medically possible to become allergic to caffeine overnight?

Unlikely: Most allergic reactions are directed against proteins. While caffeine has pharmacologic properties and can cause adverse effects, it is unlikely to be a true allergy. For a little more info please see my blog at: http://www.Familyallergyasthmacare.Com/2013/05/can-a-person-be-allergic-to-coffee-or-caffeine/. ...Read more

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What happens if you are allergic to caffeine and need a kickstarter in the morning?

What happens if you are allergic to caffeine and need a kickstarter in the morning?

Caffeine: It would be helpful if you can define your allergy to caffeine. Does it give you palpitations and tremors? These are common side effects from it and can occur with any caffeinated product, moderation is the answer. ...Read more

Dr. John Chiu
1,033 doctors shared insights

Allergic Reaction (Definition)

Sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ...Read more