Important: This page is general information, not medical advice. It does not recommend or prescribe any treatment. Always consult your doctor or pharmacist before starting, stopping or changing any medicine.
Quick facts
- Drug class
- Central Nervous System Stimulant [EPC], Methylxanthine [EPC]
- How it is given
- oral
- Type
- human otc drug
- Brand names
- Stay Awake
- RxNorm ID
- 198520
We do not publish dosing. How much of this medicine to take, how often, and for how long depends on your age, weight, kidney and liver function, other conditions and other medicines. That is a decision for the person who prescribes or dispenses it. Follow the directions on your own pack and ask your pharmacist if anything is unclear.
What it is used to treat
Use helps restore mental alertness or wakefulness when experiencing fatigue or drowsiness
Do not use if
Do not use for children under 12 years of age as a substitute for sleep
Warnings
Warnings For occasional use only Caffeine warning: The recommended dose of this product contains about as much caffeine as a cup of coffee. Limit the use of caffeine-containing medications, foods, or beverages while taking this product because too much caffeine may cause nervousness, irritability, sleeplessness, and, occasionally, rapid heart beat. Do not use for children under 12 years of age as a substitute for sleep Stop use and ask a doctor if fatigue or drowsiness persists or continues to recur. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Stop use and see a doctor if
Stop use and ask a doctor if fatigue or drowsiness persists or continues to recur.
Pregnancy and breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Storing it safely
Other information each tablet contains: calcium 35 mg TAMPER EVIDENT: DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN store at 25ºC (77ºF); excursions permitted between 15º-30ºC (59º-86ºF) see end flap for expiration date and lot number
Keeping it away from children
Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away.
Active ingredient
Active ingredient (in each tablet) Caffeine 200 mg
Other ingredients
Inactive ingredients corn starch, D&C yellow #10 aluminum lake, dextrates hydrated, dibasic calcium phosphate dihydrate, FD&C yellow #6 aluminum lake, magnesium stearate, microcrystalline cellulose, silicon dioxide
Before you take anything new
Tell your pharmacist or doctor about every medicine you take — including ones bought without a prescription, herbal products and supplements. Interactions are one of the most common avoidable causes of harm from medicines, and a pharmacist can check your full list in a couple of minutes.
This page is built from the openFDA record of the U.S. Food and Drug Administration's approved labelling for this product, effective 4 September 2025. Label text has been shortened and reformatted for readability; safety wording has not been altered in meaning. FDA labelling describes products approved in the United States — brand names, strengths, formulations and approved uses may differ in your country. Always read the leaflet that comes with your own pack. PocketsInfo is not affiliated with, and is not endorsed by, the FDA. Retrieved 2026-07-30.