Caffeine
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Drug Status
Government Approvals
US(FDA), UK(BNF)
WHO Essential Medicine
NO
Known Teratogen
NO
Pharmaceutical Class
Central Nervous System Stimulant and Methylxanthine
Controlled Drug Substance
No
Caffeine
Summary
Caffeine is used to relieve temporary water retention, bloating, and fatigue, especially during menstrual periods. It also acts as a general stimulant to increase alertness and reduce fatigue.
Caffeine works as a stimulant for the central nervous system. It blocks adenosine receptors, which increases alertness and reduces fatigue. It also has diuretic properties, helping to relieve water retention and bloating.
For adults, the usual dose of caffeine, in the form of Diurex Ultimate, is 200 mg every 3 to 4 hours while symptoms persist, not exceeding 800 mg in 24 hours. Caffeine is not recommended for children under 12 years.
Common side effects of caffeine include nervousness, irritability, and sleeplessness. Serious adverse effects are rare but can include rapid heartbeat.
Caffeine should not be used by children under 12 years. Pregnant or breastfeeding women and those experiencing symptoms like nervousness, irritability, sleeplessness, or rapid heartbeat should seek medical advice before use. Caffeine should not be used for more than ten consecutive days without consulting a doctor.
Indications and Purpose
How does Caffeine work?
Caffeine acts as a central nervous system stimulant. It blocks adenosine receptors, which increases alertness and reduces fatigue. It also has diuretic properties, helping to relieve water retention and bloating.
Is Caffeine effective?
Caffeine is known to be effective as a diuretic and stimulant. It helps relieve temporary water retention, bloating, and fatigue associated with menstrual periods. Its effectiveness is due to its ability to increase alertness and reduce fatigue.
What is Caffeine?
Caffeine is commonly used as a diuretic and stimulant to relieve temporary water retention, bloating, and fatigue, especially during menstrual periods. It works by stimulating the central nervous system, increasing alertness, and reducing fatigue.
Directions for Use
For how long do I take Caffeine?
Caffeine should not be used for more than ten consecutive days without consulting a doctor. If symptoms persist beyond this period, seek medical advice.
How do I take Caffeine?
Caffeine can be taken with or without food. However, it's important to limit other sources of caffeine, such as coffee or tea, to avoid excessive intake. Always follow the dosage instructions provided by your healthcare provider.
How long does it take for Caffeine to start working?
Caffeine typically starts working within 15 to 45 minutes after consumption. Its effects can last for several hours, depending on individual metabolism and tolerance.
How should I store Caffeine?
Store caffeine products in a cool, dry place, away from direct sunlight and out of reach of children. Ensure the packaging is intact before use.
What is the usual dose of Caffeine?
For adults, the usual dose of caffeine in the form of Diurex Ultimate is 200 mg every 3 to 4 hours while symptoms persist, not exceeding 800 mg in 24 hours. For children under 12 years, caffeine is not recommended. Always consult a healthcare provider for personalized dosing.
Warnings and Precautions
Can Caffeine be taken safely while breastfeeding?
Breastfeeding mothers should consult a healthcare provider before using caffeine. Caffeine can pass into breast milk, so it's important to monitor intake to avoid potential effects on the infant.
Can Caffeine be taken safely while pregnant?
Pregnant women should consult a healthcare provider before using caffeine. While moderate caffeine intake is generally considered safe, excessive consumption may pose risks. Always follow medical advice for safe use during pregnancy.
Is it safe to exercise while taking Caffeine?
Caffeine is generally known to enhance exercise performance by increasing alertness and reducing fatigue. However, excessive intake may lead to rapid heartbeat or nervousness, which could affect exercise. Consult a healthcare provider if you experience any adverse effects.
Who should avoid taking Caffeine?
Caffeine should not be used by children under 12 years. Limit intake of other caffeine sources to avoid nervousness, irritability, and rapid heartbeat. Consult a doctor if symptoms persist for more than ten days. Pregnant or breastfeeding women should seek medical advice before use.
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