Caffeine history

I. lancu A. Olmer R. D. Strous, Caffeinism History, Clinical Features, Diagnosis, and Treatment. In Caffeine and Activation Theory) B. D. Smith, U. Gupta, B. S. Gupta, Eds. CRC Press LLC Boca Raton, FL, 2007 pp 331-347. 

In general, over 250 mg (especially amounts over 500 mg) of caffeine per day can cause or contribute to psychiatric symptoms, especially anxiety, irritability, sleep disturbance, and agitation. Figure 4-B provides a guideline for a caffeine history— which should be done on every person being evaluated. 

Sources of Caffeine History of Caffeine Use Prevalence of Caffeine Consumption Pharmacology of Caffeine... 

Caffeine (oral, nonprescription) Avoid the use of oral caffeine-containing products to stay awake if tiiere is a history of heart disease high blood pressure, or stomach ulcers. These products are intended for occasional use and should not be used if heart palpitations, dizziness, or light-headedness occurs. 

Obtain a thorough medication use history, including present and past drugs prescription and nonprescription drugs the patient s self-assessment of response and side-effect problems use of alcohol, tobacco, caffeine, and illicit substances and use of herbal products and dietary supplements, as well as any allergies and adherence difficulties. 

Nephrolithiasis/ urolithiasis/ crystalluria IDV Onset Any time after initiation of therapy, especially if 4- fluid intake Symptoms Flank pain and/or abdominal pain, dysuria, frequency pyuria, hematuria, crystallauria rarely, Tserum creatinine and acute renal failure 1. History of nephrolithiasis 2. Fhtients unable to maintain adequate fluid intake 3. High peak IDV concentration 4. tDuration of exposure Drink at least 1.5-2 L of non-caffeinated fluid per day Tfluid intake at first sign of darkened urine monitor urinalysis and serum creatinine every 3-6 months Increased hydration pain control may consider switching to alternative agent stent placement may be required... 

A 35-year-old woman with a history of hypertension presents to your clinic complaining of low energy and irritability. She reports not following any specific diet because they have all failed in the past. She does admit to eating out frequently. This patient does not exercise because her job and her kids are too demanding. Patient does smoke a half pack of cigarettes per day and consumes low-calorie, caffeinated and alcoholic drinks most days. Her BMI is 32 kg/m2, and her waist circumference is 38 in (97 cm). 

Greenberg, W., and Shapiro, D., The effects of caffeine and stress on blood pressure in individuals with and without a family history of hypertension. Psychophysiology 24(2), 151-156, 1987. 

Strain, E. C., Mumford, G., Silverman, K., Griffiths, R. R., et-al., Caffeine dependence syndrome Evidence from case histories and experimental evaluations. American College of Neuropsychopharmacology (1993, Honolulu, Hawaii). JAMA Journal of the American Medical Association 272(13), 1043-1048, 1994. 

Madden PAF, Heath AC, Starmer GA, Whitfield JB, Martin NG (1995) Alcohol sensitivity and smoking history in men and women. Alcohol Clin Exp Res 19 1111-1120 Malin DH, Alvarado CL, Woodhouse KS, Karp H, Urdiales E, Lay D, et al (2002) Passive immunization against nicotine attenuates nicotine discrimination. Life Sci 70 2793-2798 Mitchell SH, deWit H, Zacny JP (1995) Effects of varying ethanol dose on cigarette consumption in healthy normal volunteers, Behav Pharmacol 6 359-365 Mumford GK, Evans SM, Kaminski BJ, Preston KL, Sannerud CA, Silverman K, Griffiths RR (1994) Discriminative stimulus and subjective effects of theobromine and caffeine in humans. Psychopharmacology 115 1-8... 

Table 4.2 History of caffeine consumption (T = tea, Co = coffee, Ch = chocolate)...

The US Food and Drug Administration classifies caffeine as generally recognized as safe (GRAS). This designation means that there are sufficient data and history of use to indicate that caffeine is safe to consume in the amounts commonly found in foods and beverages. The FDA allows caffeine to be added to cola drinks. 

Contraindications History of intolerance to xanthine derivatives, such as caffeine, theophylline, or theobromine recent cerebral or retinal hemorrhage... 

The drinking of tea had provided the main stimulant (caffeine) in the Far East for over 4000 years. Another source of caffeine, coffee, has a much shorter, but equally interesting and important history. 

In comparison to caffeine, pemoline, and methylphenidate, amphetamine appears to offer a more consistent and prolonged alerting effect (100,192), and both the benefits and drawbacks are fairly well known because amphetamines have a long history of use in real-world settings, particularly in military aviation. It has been concluded that to date, the most promising stimulants to counteract performance decrements attributed to aircrew sustained operations are the amphetamines (191, p. 269). Furthermore, Comum et al. (193) have stated that the proper administration of amphetamines to severely fatigued personnel can make the difference between a mission that ends safely and one that ends in disaster. 

Mr JD weighs 70 kg, is a smoker and has an unremarkable medical history. He takes occasional caffeine tablets prior to examinations but otherwise takes no regular medication. He remembers receiving a meningitis vaccine at school. On arrival at A E, his vital signs are recorded as follows ... 

A 36-year-old woman with a history of psychiatric illness, including paranoid disorder, depression with panic episodes, and stress disorder, was found dead in bed. Caffeine, risperidone, and zolpidem were found in her urine. 

Caffeine toxicity is an uncommon cause of myopathy, but a history of excessive dietary and pharmaceutical consumption of caffeine should be sought in any patient with unexplained myopathy, particularly if there is concomitant hypokalemia (28). 

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