Top answers from doctors based on your search:
Disclaimer

Is it okay to have caffeine an hour after taking NyQuil

A 50-year-old member asked:
Dr. Joel Steckelman
Specializes in Pediatrics
No: The meds in nyquil should not cancel out all the effects.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month
A 21-year-old female asked:
Dr. Charles Cattano
38 years experience Gastroenterology
Can't tell from here: ...but your stomach may be upset from that combination.
1
1 thank
A 31-year-old female asked:
Dr. Ruth Seaman
25 years experience Psychiatry
You arent going to..: You aren't going to like my suggestion....Stop the caffeine. Good question for the prescribing physician. Might require a bit of research unless the ... Read More
1
1 thank
A 49-year-old member asked:
Dr. R Sangal
Dr. R Sangal answered
42 years experience Sleep Medicine
Half-life 5-6 hours: The half-life of caffeine is 5-6 hours, which means the amount in your blood (and therefore the effect) decreases by half in 5-6 hours. How long it wo ... Read More
A 49-year-old member asked:
Dr. Alvin Lin
Dr. Alvin Lin answered
29 years experience Geriatrics
Everyone's different: The side effects from excess caffeine consumption will vary from person-to-person. Some will complain of palpitations while others will complain of tr ... Read More
A 22-year-old female asked:
Dr. Lisa Vollmer
23 years experience Addiction Medicine
Caffeine: A toxic dose of caffeine is much higher than what your friend ingested. If she is experiencing rapid heart rate, shortness of breath, feeling like sh ... Read More
2
2 thanks
A 24-year-old female asked:
Dr. Leila Hashemi
20 years experience Internal Medicine
Vivarin (caffeine): Hi, I don't recommend that u take Vivarin, (caffeine) it has too much Caffein and it could harm u, especially with history of ur memory loss and insom ... Read More
1
1 thank
A 31-year-old female asked:
Dr. Joseph Mathews
15 years experience Endocrinology
That's Unusual: And i don't have a good reason to explain your situation, but i would try to cut out caffeine and see how you feel.
4
4 thanks
A 32-year-old female asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
Adaptation: If someone takes caffeine (or just about any stimulant) regularly, the body adapts and "gets used to it". There are detailed mechanisms that explain t ... Read More
A 24-year-old male asked:
Dr. Pamela Pappas
41 years experience Psychiatry
Caffeine: Caffeine is both a drug and a food additive. It's a central nervous system stimulant, and also stimulates your heart and muscles, plus raises your bl ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month