The more you alcohol you drink the higher the risk that you may pass out or suffer an alcohol related injury. You might also drink more than normal if you combine alcohol and caffeine (energy drinks).

You might not realize how drunk they are and the caffeine or energy drink might mask the drowsiness related to the drinking. This could lead to you or someone being hurt or killed. Mixing caffeine and alcohol increases your chances of drinking and driving or getting into a vehicle with someone who has been drinking. Your doctor can tell you if caffeine might work for you.Ĭaffeine doesn’t decrease your appetite so there's no point in using it to diet or decrease your hunger.Ĭaffeine doesn’t help you sober up if you are drunk.

Some over-the-counter pain medicine contains caffeine. Some products with caffeine have higher than the recommended doses of caffeine for children and teens (for example, some energy drinks), so using them may cause health or behaviour problems.Ĭaffeine can be used to treat some types of headaches, including migraines. However, children can die from as little as 1 gram of caffeine. You would have to inject at least 3.9 g of caffeine or swallow about 10 g. It's rare for adults to die from a caffeine overdose. They might be more sensitive to its effects and it can trigger nervousness and anxiety. People who have panic attacks shouldn’t use large amounts of caffeine.

make you feel irritable, restless, and nervous.

cause a fast, irregular heartbeat (might feel like your heart is racing).

Larger amounts of caffeine (600 mg or more) can: Older adults may have their sleep affected by caffeine more than younger adults. You might sleep for a shorter time or not as deep. If you have caffeine before bed, it can make it harder to fall asleep. Small amounts of caffeine might make your blood pressure to go up, increase your heart rate, and make you pass urine more. It can also improve physical work and your thinking. Less than 200 mg of caffeine (1 or 2 cups of coffee) can make you more alert, put you in a better mood, and make you feel less tired. The effects of caffeine usually start within 5 to 30 minutes and can last from 8 to 12 hours.

Snacks with caffeine (for example, gum, fruit chews, jelly beans): 30 to 50 mg.

milk chocolate (56 g or 2 oz.): 3 to 20 mg.

dark chocolate (56 g or 2 oz.): 40 to 70 mg.

cola drinks (355 mL or 12 oz.): 30 to 60 mg.

energy shots or drinks (60 to 360mL): 4 to 240 mg.

Other products that have caffeine include:

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