The average cup of coffee contains 150-200 milligrams (mg) of caffeine per cup, while a cup of tea will have about 60 mg of caffeine.Do not double-up on your caffeine dose if you should miss the time for next dose.The usual maximum recommended dose of OTC caffeine is no more than 200 mg every 3-4 hours, or 1600 mg per day. Most OTC medications used for mental alertness contain 200 milligrams of caffeine per tablet or capsule.Do not exceed the recommended dose of caffeine.If caffeine upsets your stomach, take it with food. Caffeine may be taken with or without food.If you have any questions about the use of an OTC medication, ask your pharmacist. If the medication is OTC, check the label on the bottle for the exact dosing instructions. Use caffeine as directed by your health care provider. A complete drug interaction check should be completed prior to your use of caffeine or any medication.Ĭaffeine pregnancy and breastfeeding warnings (more detail) How Should I Use Caffeine? Check with your health care provider before you start, stop, or change the dose of any medicine. This is NOT a complete drug interaction list. Tell your health care provider if you are taking any other medicines, especially any of the following: if you are pregnant, planning to become pregnant, or are breast-feedingĭrug interactions may occur with caffeine.if you have anxiety, agitation or nervousness, liver or stomach (ulcer) problems, insomnia (trouble sleeping), seizures (convulsions), or heart disease, especially any abnormal heart rhythms or high blood pressure.if you are taking any prescription or nonprescription medicine, or herbal or dietary supplement.if you have allergies to caffeine, other medicines, foods, or other substances.Tell your health care provider if you have ANY medical conditions, especially if any of the following apply to you: Some medical conditions may interact with caffeine. What Should I Know Before Using Caffeine? in children less than 12 years of age over-the-counter (OTC) caffeine formulations are not proven safe and effective for use in this age group.

if you are allergic to any ingredient in caffeine or caffeine products.It is used for short-term treatment of neonatal apnea (breathing problems).Ĭaffeine may also be used for other conditions as determined by your health care provider. Caffeine is also found in some headache and migraine medications, in certain dietary supplements used for weight loss, and in many popular energy drinks.Ĭaffeine citrate ( Cafcit) is available by prescription only. Caffeine is also available in prescription and non-prescription medications.Ĭaffeine is used to restore mental alertness or wakefulness during fatigue or drowsiness. Botanical sources of caffeine include kola nuts, guarana, and yerba mate. Caffeine is found naturally in foods and beverages such as coffee, tea, colas, energy and chocolate. Last updated on Aug 22, 2023.Ĭaffeine is a central nervous system stimulant. Medically reviewed by Philip Thornton, DipPharm. (NoDoz), GlaxoSmithKline Consumer Healthcare (Viviarin) Brand names: NoDoz, Vivarin, Revive, Stay Awake, Enerjets, LucidexĬompanies: various generic manufacturers, Novartis Consumer Health, Inc.

Caffeine headache and nausea