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This medicine primarily work as a Central nervous system stimulant. It is used in the treatment of idiopathic apnea of prematurity. Has several advantages over theophylline in the treatment of neonatal apnea, its half-life is about 3 times as long, allowing once daily dosing, drug levels do not need to be drawn at peak and trough. Caffeine has a wider therapeutic window, allowing more room between an effective concentration and toxicity.

Caffeine is the world’s most widely consumed psychoactive drug. Caffeine is naturally found in over 60 plants some of which are coffee beans, tea leaves, kola nut (from where cola is derived) and cacao pods (the source of chocolate). Synthetic caffeine is added to food like energy stimulating gums and “energy drinks”, medicines for alertness, pain relievers and some cold medicines.

Caffeine affects the body’s metabolism process in many ways. Caffeine stimulates the central nervous system and makes one feel alert and energetic. It may sometimes increase the release of acid in the stomach, leading to heartburn or an upset stomach. It is also a diuretic.

Caffeine may interfere with the absorption of calcium in the body. It can also increase blood pressure. Caffeine reaches its peak level in your blood, one hour after consumption. But its effects may last up to six hours.

However, consuming too much Caffeine may lead to same considerable side effects such as restlessness and shakiness, headaches, dizziness, insomnia, abnormal heart rhythm, anxiety, dehydration. Caffeine also comes with the risk of easy addiction.

There have been various medical studies regarding caffeine some of which have revealed some harmful effects of Caffeine. Studies claim, Caffeine can, reduce fertility in women, increase the risk of heart attacks in young adults and it can worsen menopause symptoms.

Information given here is based on the salt content of the medicine. Uses and effects of the medicine may vary from person to person. It is advisable to consult a Neurologist before using this medicine.

The primary use of this medicine are as follows:

  • Cns Stimulation

  • Neonatal Apnea

  • Hypersensitivity

Common side effect of this medicine are as follows:

  • Is It safe with alcohol?

    Caffeine may cause excessive drowsiness and calmness with alcohol.
    Taking caffeine with alcohol may impair the motor coordination
  • Are there any pregnancy warnings?

    Caffeine may be unsafe to use during pregnancy.
    Animal studies have shown adverse effects on the foetus, however, there are limited human studies. The benefits from use in pregnant women may be acceptable despite the risk. Please consult your doctor.
  • Are there any breast-feeding warnings?

    Unknown. Human and animal studies are not available. Please consult your doctor.
  • Is it safe to drive while on this medicine?

    There is no data available. Please consult doctor before consuming the drug.
  • Does this affect kidney function?

    Caution to be advised in patients with impaired renal function.
    This medicine should be used with caution in patients with underlying kidney disease. Please Consult your doctor.
    Caution to be advised in patients with severe impaired renal function.
  • Does this affect liver function?

    Use of this medicine should be avoided in patients with underlying liver disease.
  • Are there any missed dose instructions?

    If you miss a dose of Caffeine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
  • Are there any missed dose instructions?

    Consult your doctor in case of overdosing.

Below is the list of medicines, which contains Caffeine as ingredient

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Caffeine is a stimulant that affects the central nervous system and is one of the most common psychoactive drugs. Adenosine receptors gets deactivated when the drug is consumed and leads to an increase in energy.

Whenever you take more than one medicine, or mix it with certain foods or beverages, you"re at risk of a drug interaction.

  • Interaction with Medicine

    • CYP1A2, 2E1, and 3A3/4 enzyme substrate
    • Increased effects/levels of caffeine: Cimetidine, oral contraceptives, disulfiram, phenylpropanolamine, quinolones
    • Increased effects/levels of theophylline, beta-agonists (increased positive inotropic and chronotropic effects)

Ques: What is Caffeine?

Ans: It is a bitter substance which is found primarily in leaves, seeds, and fruits of plants. It acts as a central nervous system stimulant.

Ques: How much Caffeine can I consume in a day?

Ans: It is suggested not to consume Caffeine more than 400 mg per day.

Ques: Is Caffeine addictive?

Ans: Caffeine is not technically addictive as it does not cause drug-seeking behaviors, but it does have some habit forming tendencies.

Ques: Can moderate Caffeine consumption reduce your risk of certain diseases?

Ans: Studies reveal that the consumption of Caffeine decreases the risk of various diseases such as diabetes, liver disease, gallstones, and Parkinson's disease.

Ques: Is Caffeine safe for pregnant women?

Ans: Doctors do not suggest taking high doses of Caffeine when you are pregnant as it can increase the heart rate which is not good during pregnancy.

Ques: Does Caffeine pass through breast milk?

Ans: Caffeine can pass through breast milk however in very small amounts. But, it is unlikely to cause any harm to the baby.

Ques: How long do the effects of Caffeine last?

Ans: The effects of that Caffeine can last up to five to six hours. Although, this might not be the same for everyone.

Ques: Can Caffeine cure headaches?

Ans: Caffeine is present in many medications used to treat headache and migraine. It helps in a faster relief from pain and symptoms.

Ques: Why do skin-care products contain Caffeine?

Ans: Caffeine is usually used in skin care because of its anti-aging abilities. This compound helps in stimulating the blood flow and is also rich in various antioxidants, thus it works great for skin in terms of reducing wrinkles or fine lines.

Ques: Caffeine can aggravate symptoms of anxiety. Is this true?

Ans: Caffeine acts as a stimulant for our body and might induce symptoms like nervousness and anxiety in some individuals. Those who have anxiety issues should not consume Caffeine.

Ques: Can Caffeine cause dehydration?

Ans: Caffeine acts as a mild diuretic, hence it may lead to dehydration. This is especially seen in those individuals who do not consume Caffeine on a regular basis.

Ques: Can I take an overdose of Caffeine?

Ans: Caffeine is a well tolerated drug however, one must avoid taking it in overdose as it can be proved fatal for some people.
Disclaimer: The information produced here is best of our knowledge and experience and we have tried our best to make it as accurate and up-to-date as possible, but we would like to request that it should not be treated as a substitute for professional advice, diagnosis or treatment.

Lybrate is a medium to provide our audience with the common information on medicines and does not guarantee its accuracy or exhaustiveness. Even if there is no mention of a warning for any drug or combination, it never means that we are claiming that the drug or combination is safe for consumption without any proper consultation with an expert.

Lybrate does not take responsibility for any aspect of medicines or treatments. If you have any doubts about your medication, we strongly recommend you to see a doctor immediately.

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Content Details
Written By
PhD (Pharmacology) Pursuing, M.Pharma (Pharmacology), B.Pharma - Certificate in Nutrition and Child Care
Reviewed By
MBBS, Master in Healthcare Administration, Diploma in Occupational Health
General Physician
Table of Content
About Caffeine
What are the uses of Caffeine
What are the contraindications of Caffeine ?
What are the side effects of Caffeine ?
Key highlights of Caffeine
What are the dosage instructions?
Medicines containing Caffeine
How does this medication work?
What are the interactions of Caffeine ?
FAQs about Caffeine