Nyquil Side Effects summary

Total Nyquil reports: 25. View

Nyquil FDA safety alerts: No.

Reported deaths: 1

Reported hospitalizations: 13.

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Recently reported Nyquil Side Effects

Cough,sore throat...

Mareo,nauceas,debilidad,sudoracion...

Sweating, nausea, rapid heart rate, vomitting, sev...

Dizziness, spinning, nausea.....

Strange dreams and nightmares...

Really fucked up dreams...

Large red circle on back. Small red circle on righ...

I took Nyquil for flu like symptomes. It used to w...

Very intense flushing and burning of my face. Red ...

Diarrhea...

Nausea, vomiting, increased heart rate...

Dizziness, trouble breathing, blacked out for abou...


Common Nyquil Side Effects
Loss of consciousness 40%
Hypersensitivity 20%
Dyspnoea 16%
Erythema 16%
Tremor 16%
Blood pressure decreased 12%
Dizziness  What is  Dizziness                                                                                                                                                                                               12%
Dyskinesia 12%
Feeling abnormal 12%
Incorrect dose administered 12%
Somnolence 12%
Vomiting 12%
Aggression 8%
Blood pressure increased 8%
Chills 8%
Condition aggravated 8%
Convulsion 8%
Dysphagia 8%
Hyperhidrosis 8%
Malaise 8%
Oropharyngeal pain 8%
Overdose 8%
Abnormal behaviour 4%
Agitation 4%
Alanine aminotransferase increased 4%
Anxiety  What is  Anxiety                                                                                                                                                                                                 4%
Aspartate aminotransferase increased 4%
Asthenia 4%
Back pain  What is  Back pain                                                                                                                                                                                               4%
Blood lactic acid increased 4%
Blood pressure diastolic decreased 4%
Chest pain  What is  Chest pain                                                                                                                                                                                              4%
Choking  What is  Choking                                                                                                                                                                                                 4%
Cholinergic syndrome 4%
Cold sweat 4%
Confusional state 4%
Contraindication to medical treatment 4%
Coordination abnormal 4%
Dehydration 4%
Delirium 4%
Diarrhoea 4%
Disorientation 4%
Dissociation 4%
Dysarthria 4%
Electrocardiogram abnormal 4%
Emphysema 4%
Eye disorder 4%
Eye rolling 4%
Eye swelling 4%
Flushing 4%
Foreign body trauma 4%
Hallucination 4%
Head injury 4%
Heart rate increased 4%
Hepatic failure 4%
Hypoventilation 4%
Leukocytoclastic vasculitis 4%
Musculoskeletal stiffness 4%
Mydriasis 4%
Nausea  What is  Nausea                                                                                                                                                                                                  4%
Nightmare 4%
Palpitations 4%
Pharyngeal oedema 4%
Psychotic disorder  What is  Psychotic disorder                                                                                                                                                                                      4%
Pyrexia 4%
Rash  What is  Rash                                                                                                                                                                                                    4%
Respiratory rate increased 4%
Restlessness 4%
Road traffic accident 4%
Skin lesion 4%
Snoring  What is  Snoring                                                                                                                                                                                                 4%
Stress  What is  Stress                                                                                                                                                                                                  4%
Syncope 4%
Throat irritation 4%
Thrombosis 4%
Tongue haemorrhage 4%
Tongue injury 4%
Unresponsive to stimuli 4%
Unresponsive to verbal stimuli 4%
Vasodilatation 4%

Did You Have Nyquil Side Effect?

Nyquil Side Effects Poll Results

Vote Below:
Yes, Severe
Yes, Moderate
Yes, Minor
No
Have you experienced Nyquil side effects?
Yes, Severe29%
Yes, Mild32%
Yes, Minor9%
No29%


Nyquil Comments and Questions

Join the discussion:

Comments to date: 2. Page 1 of 1.

Notquil   Tejas 

1:47pm on Saturday, September 19th, 2009

First time I took nyquil I was 14. All 30 ml like an adult. Slept for about 7 hours if that. The. Ha... read more »

Hope   columbus, OH 

12:18am on Saturday, July 4th, 2009

Same with me and I had a normal - if not slightly less - recommended adult dose. Then I was almost u... read more »


Ask Community about Nyquil:

Questions to date: 1. Page 1 of 1.

mary weiss   NMB,SC 

8:51pm on Monday, October 5th, 2009

Sometimes when I take Nyquil? I have very vivid and strange dreams!

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Nyquil Side Effects reported on Patientsville.com


Nyquil Side Effects Report #SELF892 -2008-12-01
NYQUIL side effect was reported on 2008-12-01
Patient reported the following NYQUIL side effects:"dizziness, trouble breathing, blacked out for about 10 seconds, dry heaving, cold sweats"Read more


Nyquil Side Effects Report #SELF2300 -2007-02-16
NYQUIL side effect was reported on 2007-02-16
Patient reported the following NYQUIL side effects:"Nausea, vomiting, increased heart rate"Read more


Nyquil Side Effects Report #SELF2340 -2009-02-08
NYQUIL side effect was reported on 2009-02-08
Patient reported the following NYQUIL side effects:diarrheaRead more


Nyquil Side Effects Report #SELF2387 -2009-02-11
NYQUIL side effect was reported on 2009-02-11
Patient reported the following NYQUIL side effects:Very intense flushing and burning of my face. Red blotchy marks all over. Slight dizziness accompanied by fatigue. Read more


Nyquil Side Effects Report #SELF2494 -2009-03-04
NYQUIL side effect was reported on 2009-03-04
Patient reported the following NYQUIL side effects:"I took Nyquil for flu like symptomes. It used to work great for me, but that night, after about 5 min. my face became very, very hot. Burning hot where I felt like there was something seriously wrong. I layed in bed for awhile and it passed, but I do think I had an allergic reaction to it."Read more


Nyquil Side Effects Report #SELF2645 -2009-03-26
NYQUIL side effect was reported on 2009-03-26
Patient reported the following NYQUIL side effects:"Large red circle on back. Small red circle on right bicept. Red blotches on neck, chest and face. "Read more


Nyquil Side Effects Report #SELF2654 -2009-03-26
NYQUIL side effect was reported on 2009-03-26
Patient reported the following NYQUIL side effects:really fucked up dreamsRead more


Nyquil Side Effects Report #SELF2849 -2009-04-12
NYQUIL side effect was reported on 2009-04-12
Patient reported the following NYQUIL side effects:strange dreams and nightmaresRead more


Nyquil Side Effects Report #SELF3070 -2009-05-06
NYQUIL side effect was reported on 2009-05-06
Patient reported the following NYQUIL side effects:"Dizziness, spinning, nausea.."Read more


Nyquil Side Effects Report #SELF3401 -2009-06-22
NYQUIL side effect was reported on 2009-06-22
Patient reported the following NYQUIL side effects:"Sweating, nausea, rapid heart rate, vomitting, severe long-lasting drowsiness"Read more


Nyquil Side Effects Report #SELF3721 -2009-09-02
NYQUIL side effect was reported on 2009-09-02
Patient reported the following NYQUIL side effects:"mareo,nauceas,debilidad,sudoracion"Read more



Nyquil Side Effects reported to FDA

Quick-Add Your Side Effect:

Nyquil Side Effects Report #5206918-4
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Jan 05, 2007. Male patient, 36 years of age, weighting 198.4 lb, was treated with Nyquil. After drug was administered, patient experienced the following side effects: alanine aminotransferase increased, aspartate aminotransferase increased, asthenia, blood lactic acid increased, blood pressure diastolic decreased, cold sweat, mydriasis, overdose, palpitations. Nyquil dosage: 180 ML Q 3 PM + 6 PM. During the same period patient was treated with CLONAZEPAM, LEVOTHYROXINE, HYDROCHLOROTHIAZIDE, RAMIPRIL, FINASTERIDE. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #5214926-2
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Jan 22, 2007. Female patient, 45 years of age, weighting 185.0 lb, was diagnosed with influenza, nasopharyngitis and was treated with Nyquil. After drug was administered, patient experienced the following side effects: blood pressure decreased, dizziness What is  dizziness, erythema, flushing. Nyquil dosage: unknown. During the same period patient was treated with NYQUIL M, PLAQUENIL, MOBIC. Patient recovered.



Nyquil Side Effects Report #5267070-2
Health Professional from UNITED STATES reported Nyquil side effect on Mar 07, 2007. Female patient, 35 years of age, was diagnosed with upper respiratory tract infection and was treated with Nyquil. After drug was administered, patient experienced the following side effects: hallucination, nightmare, psychotic disorder What is  psychotic disorder. Nyquil dosage: unknown. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #5061585-8
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on June 30, 2006. Female patient, 26 years of age, was treated with Nyquil. After drug was administered, patient experienced the following side effects: incorrect dose administered, loss of consciousness, somnolence. Nyquil dosage: 360 ML, 1 ONLY FOR 1 DAY, ORAL. During the same period patient was treated with PEDIACARE LONG. Patient was hospitalized. Patient recovered.




Nyquil Side Effects Report #5482022-5
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Aug 20, 2007. Male patient, 36 years of age, weighting 203.0 lb, was diagnosed with influenza and was treated with Nyquil. After drug was administered, patient experienced the following side effects: confusional state, dizziness What is  dizziness, dyspnoea, heart rate increased, hepatic failure, overdose. Nyquil dosage: 30 ML, 7 /DAY, ORAL. During the same period patient was treated with ALTACE, LEVOTHYROXINE, HYDROCHLOROTHIAZIDE. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #5599172-5
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Jan 04, 2008. Male patient, 22 years of age, was treated with Nyquil. After drug was administered, patient experienced the following side effects: abnormal behaviour, agitation, anxiety What is  anxiety, disorientation, dyspnoea, feeling abnormal, restlessness, stress What is  stress, tremor. Nyquil dosage: unknown. Patient recovered.



Nyquil Side Effects Report #5623446-2
Health Professional from UNITED STATES reported Nyquil side effect on Jan 29, 2008. Female patient was treated with Nyquil. After drug was administered, patient experienced the following side effects: cholinergic syndrome. Nyquil dosage: 11.25 ML, 1 ONLY, ORAL. During the same period patient was treated with PAXIL, SUBUTEX, WELLBUTRIN, AMLODIPINE, SYNTHROID. Patient recovered.



Nyquil Side Effects Report #5638114-0
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Feb 10, 2008. Female patient, 20 years of age, weighting 209.9 lb, was treated with Nyquil. After drug was administered, patient experienced the following side effects: dyskinesia, hypersensitivity, loss of consciousness, tremor. Nyquil dosage: unknown. During the same period patient was treated with ADVIL. Patient recovered.



Nyquil Side Effects Report #5706570-5
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Apr 03, 2008. Female patient, 20 years of age, weighting 209.9 lb, was diagnosed with nasopharyngitis and was treated with Nyquil. After drug was administered, patient experienced the following side effects: aggression, dyskinesia, loss of consciousness, tremor. Nyquil dosage: unknown. During the same period patient was treated with ADVIL. Patient recovered.




Nyquil Side Effects Report #5712279-4
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Apr 04, 2008. Male patient, 40 years of age, weighting 175.0 lb, was diagnosed with nasopharyngitis and was treated with Nyquil. After drug was administered, patient experienced the following side effects: convulsion, eye rolling, hyperhidrosis, incorrect dose administered, musculoskeletal stiffness, snoring What is  snoring, tongue haemorrhage, tongue injury. Nyquil dosage: 60 ML, 1/DAY, ORAL. During the same period patient was treated with ALKA SELTZER PLUS COLD, ROBITUSSIN DM. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #5736878-9
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on May 02, 2008. Female patient, 20 years of age, weighting 209.9 lb, was diagnosed with nasopharyngitis and was treated with Nyquil. After drug was administered, patient experienced the following side effects: aggression, contraindication to medical treatment, dyskinesia, loss of consciousness, tremor. Nyquil dosage: unknown. During the same period patient was treated with ADVIL. Patient recovered.



Nyquil Side Effects Report #5875084-4
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Aug 26, 2008. Male patient, 17 years of age, weighting 145.1 lb, was treated with Nyquil. After drug was administered, patient experienced the following side effects: condition aggravated, malaise, pyrexia, vomiting. Nyquil dosage: unknown. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #5944305-1
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Oct 29, 2008. Male patient, 36 years of age, weighting 170.0 lb, was diagnosed with insomnia and was treated with Nyquil. After drug was administered, patient experienced the following side effects: incorrect dose administered, loss of consciousness, vomiting. Nyquil dosage: 450 ML, 1 ONLY FOR 1 DAY, ORAL. During the same period patient was treated with NYQUIL COLD. Patient died.



Nyquil Side Effects Report #5988362-5
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Nov 20, 2008. Female patient, 76 years of age, was diagnosed with oropharyngeal pain and was treated with Nyquil. After drug was administered, patient experienced the following side effects: chest pain What is  chest pain, dizziness What is  dizziness, dyspnoea, electrocardiogram abnormal, emphysema, eye disorder, hypoventilation, thrombosis, unresponsive to stimuli. Nyquil dosage: 30ML, 1/DAY FOR 1/DAY, ORAL; 15ML, 1/DAY FOR 1 DAY, ORAL. During the same period patient was treated with NYQUIL COLD, COUMADIN. Patient was hospitalized. Patient recovered.




Nyquil Side Effects Report #6012753-X
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Dec 09, 2008. Female patient, 82 years of age, was treated with Nyquil. After drug was administered, patient experienced the following side effects: choking What is  choking, dyspnoea, foreign body trauma, throat irritation. Nyquil dosage: unknown. Patient recovered.



Nyquil Side Effects Report #6018675-2
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Dec 12, 2008. Female patient, 78 years of age, was treated with Nyquil. After drug was administered, patient experienced the following side effects: hypersensitivity. Nyquil dosage: 30 ML, 1 ONLY FOR 1 DAY, ORAL. Patient recovered.



Nyquil Side Effects Report #6030936-X
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Dec 23, 2008. Male patient was treated with Nyquil. After drug was administered, patient experienced the following side effects: blood pressure decreased, loss of consciousness, somnolence, vasodilatation. Nyquil dosage: unknown. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #6034453-2
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Dec 12, 2008. Female patient, 78 years of age, was diagnosed with oropharyngeal pain, sinus congestion and was treated with Nyquil. After drug was administered, patient experienced the following side effects: blood pressure increased, chills, dysphagia, erythema, feeling abnormal, hypersensitivity, malaise, oropharyngeal pain, pharyngeal oedema. Nyquil dosage: 30 ML, 1 ONLY FOR 1 DAY, ORAL. During the same period patient was treated with NYQUIL COLD, LEVOTHYROXINE, GLIMEPIRIDE, NEXIUM. Patient recovered.



Nyquil Side Effects Report #6059675-6
Health Professional from UNITED STATES reported Nyquil side effect on Jan 15, 2009. Male patient, 68 years of age, weighting 157.0 lb, was diagnosed with attention deficit/hyperactivity disorder, nasal congestion, sleep disorder What is  sleep disorder and was treated with Nyquil. After drug was administered, patient experienced the following side effects: blood pressure decreased, loss of consciousness, somnolence. Nyquil dosage: unknown. During the same period patient was treated with NYQUIL COLD, NYQUIL COLD. Patient was hospitalized. Patient recovered.




Nyquil Side Effects Report #6063904-2
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Jan 22, 2009. Female patient, 78 years of age, weighting 162.9 lb, was diagnosed with oropharyngeal pain, sinus congestion and was treated with Nyquil. After drug was administered, patient experienced the following side effects: blood pressure increased, chills, dysphagia, erythema, eye swelling, feeling abnormal, hypersensitivity, oropharyngeal pain. Nyquil dosage: 30 ML, 1 DAY FOR 1 DAY, ORAL. During the same period patient was treated with NYQUIL COLD, LEVOTHYROXINE, GLIMEPIRIDE, NEXIUM, VITAMIN B12, AMBIEN, FERROUS SULPHATE, METOCLOPRAMIDE. Patient recovered.



Nyquil Side Effects Report #6083770-9
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Feb 05, 2009. Female patient was diagnosed with malaise and was treated with Nyquil. After drug was administered, patient experienced the following side effects: erythema, hypersensitivity, leukocytoclastic vasculitis, rash What is  rash, skin lesion. Nyquil dosage: unknown. During the same period patient was treated with LIPITOR, ASPIRIN. Patient recovered.



Nyquil Side Effects Report #4883206-7
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Jan 17, 2006. Female patient, 31 years of age, weighting 134.9 lb, was diagnosed with influenza and was treated with Nyquil. After drug was administered, patient experienced the following side effects: back pain What is  back pain, dehydration, diarrhoea, head injury, loss of consciousness, nausea What is  nausea, syncope. Nyquil dosage: unknown. During the same period patient was treated with BIRTH CONTROL. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #4883208-0
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Jan 17, 2006. Male patient was diagnosed with malaise and was treated with Nyquil. After drug was administered, patient experienced the following side effects: condition aggravated, convulsion, loss of consciousness, road traffic accident. Nyquil dosage: unknown. During the same period patient was treated with PERCOCET. Patient was hospitalized. Patient recovered.



Nyquil Side Effects Report #4883233-X
Nyquil side effect was reported by a Consumer or non-health professional from UNITED STATES on Jan 17, 2006. Male patient, 25 years of age, weighting 179.9 lb, was treated with Nyquil. After drug was administered, patient experienced the following side effects: unresponsive to verbal stimuli. Nyquil dosage: 150 ML, ORAL. Patient was hospitalized. Patient recovered.




Nyquil Side Effects Report #4886782-3
Consumer or non-health professional from UNITED STATES reported Nyquil side effect on Jan 19, 2006. Male patient, 34 years of age, weighting 145.0 lb, was diagnosed with influenza and was treated with Nyquil. After drug was administered, patient experienced the following side effects: coordination abnormal, delirium, dissociation, dysarthria, hyperhidrosis, loss of consciousness, respiratory rate increased. Nyquil dosage: 30 ML -RECOMMENDED- ONCE PO. Patient was hospitalized. Patient recovered.





Advise and Guidance

Dizziness and High blood pressure

Anxiety and Aromatherapy and human/clinical studies

Back pain and Back pain

Back pain and Manipulative and body-based practices: an overview

Back pain and Spinal manipulation for low-back pain

Nausea and Dealing with drug side effects - part 1

Nausea and Ginger

Snoring and when snoring isn't just snoring

Stress and Alternative approaches to mental health care

Stress and How ya doing?

Stress and Mind-body medicine: an overview

Stress and Stress and your health




Flu Vaccine Side Effects

Are you planning to get a flu shot? Make sure you read about potential flu vaccine side effects. Most common flu shot side effects are Pyrexia,Pain,Injection site erythema,Vomiting.

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