Max: 150 mg daily. Severe liver damage may occur if you take Do not use extra medicine to make up the missed dose. 10 Aluminum Lake, FD&C Blue No. In the first 24 hours you may experience increased sweating, nausea, vomiting, stomach pain and loss of appetite. Adults - Two tablespoons every six hours as needed for cold and flu symptoms. take only as directed Management: treatment is symptomatic and supportive. Vicks NyQuil FAQ - Cough Medicine, Cold Medicine, Flu Relief & Allergy Artificially sweetened liquid medicine may contain phenylalanine. NyQuil Severe Cold and Flu - Drugs.com - Prescription Drug Information You should consult with a medical professional if you have any questions about your health. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. With a DayQuil/NyQuil LiquiCaps convenience pack, youll have the cold and flu symptom relief you need on hand, day or night. Children - Ask a healthcare provider. relieves your cough and runny nose so you can get the sleep you need. The volume of distribution of dextromethorphan is 5-6.7L/kg. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Package Information USES Temporarily relieves common cold/flu symptoms: Nasal congestion Sinus congestion & pressure Cough due to colds Minor aches & pains Headache Fever Sore throat pain Runny nose & sneezing STANDARD SIZES 236 ml 354 ml Available in berry flavor. It's sugar . Using NSAIDs with alcohol further increases the risk. As opposed to syrups and pills that are clearly medicinal, Theraflu products are mixed with warm water and sipped like tea. Nyquil Cold & Flu is a combination medicine used to treat headache, fever, body aches, cough, runny nose, sneezing, and sore throat caused by allergies, the common cold, or the flu. NyQuil COMPLETE helps relieve fever, nasal congestion, sneezing, runny nose and cough, so you can get the rest you need. Administration of Paracetamol in doses higher than recommended may result in hepatic injury, including the risk of severe hepatotoxicity and death. Reviewed by: Adverse effects with Dextromethorphan are rare, but nausea and dizziness sometimes occur. Active ingredients (in each LiquiCap) . J Clin Transl Hepatol. NyQuil Cold & Flu - Cough Medicine, Cold Medicine, Flu Relief National Library of Medicine. Drink plenty of fluids when you use this medication unless otherwise directed by your doctor. VapoCOOL NyQuil Cold & Flu DayQuil Cold & Flu Vaporub Family Vapourizers Children's Products ZzzQuil Sleep-Aid Vicks Thermometers Humidifiers . DailyMed/U.S. Connect with us on your favourite social networks. Tylenol Cold Max Night is not intended for daytime use as it can cause drowsiness. In case of overdose, get medical help or contact a Poison Control Centre right away. Vicks NyQuil Cold & Flu LiquiCaps - Shop Cough, Cold & Flu at H-E-B Simply mix it with eight ounces of warm water, let it dissolve, and sip. Dextromethorphan is a cough suppressant. 2013;120(8):948-59. doi:10.1111/1471-0528.12192. Dayquil medication: How it works, dosage, and more - Medical and health NyQuil Cold & Flu is one of the most popular OTC cold and flu medications in the United States, recognized by its green-colored syrup. A dextromethorphan overdose may present as nausea, vomiting, stupor, coma, respiratory depression, seizures, tachycardia, hyperexcitability, toxic psychosis, ataxia, nystagmus, dystonia, blurred vision, changes in muscle reflexes, and serotonin syndrome. IE 10 or 11 may display this page improperly. Excitation, confusion and respiratory depression may occur after overdosage. When cold symptoms keep you up, try Vicks NyQuil SEVERE Cold & Flu Liquid Medicine. Angle-closure galucoma, urinary retention, prostatic hypertrophy or pyloroduodenal obstruction; epilepsy; hepatic impairment. It should never be used in children under 12. Acetaminophen /Dextromethorphan /Doxylamine /PE 250 mg-10 mg-6.25 mg-5 mg oral tablet, effervescent: If you are using the over-the-counter product, read and follow all directions on the product package before taking this medication. Which Medications Interact With Grapefruit Juice? Children under six years old should not take Childrens NyQuil. Doxylamine is used for Hypersensitivity reactions,Insomnia. Dextromethorphan suppresses the cough reflex by a direct action on the cough center in the medulla of the brain. 10 to 20% of the drug is bound to red blood cells. Some examples are allergy medicine, narcotic pain medicine, and alcohol. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin red or irritated eyes or sores in your mouth, throat, nose, or eyes. While aspirin acts as an irreversible inhibitor of COX and directly blocks the enzyme's active site, studies have found that acetaminophen indirectly blocks COX, and that this blockade is ineffective in the presence of peroxides. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Do not take 2 doses at the same time or extra doses. Nyquil Cold & Flu will not treat a cough that is caused by smoking, asthma, or emphysema. Just one dose starts working fast to relieve 9 of your worst cold and flu symptoms. Vicks has an entire line of products for cold and flu, created to provide temporary relief of cold and flu symptoms. Other common side effects include blurred vision, dry mouth, nervousness, nausea, and stomach ache. The use of any information on this site is solely at your own risk. J Allergy Clin Immunol. Multi-Symptom Cold and Flu Medications - Verywell Health Do not exceed four doses within 24 hours. Click here on Vickss official website and customize your choice. Naproxen in any form should not be taken during the last three months of pregnancy as it may harm the baby by causing the premature closure of the ductus arteriosus (a vessel near the fetal heart).. NyQuil relieves your sneezing, sore throat, headache, minor aches and pains, fever, runny nose, and cough, so you can get the rest you need. NyQuil Cold and Flu (capsule, liquid filled) Lil' Drug Store Products, Inc. A: NyQuil comes as a liquid or gel caps. Do not take Vicks DayQuil Severe Cold/Flu for longer than you were told by your doctor. There are special formulas for children and for adults with high blood pressure. Alka-Seltzer effervescent products are ideal for people who don't like pills or syrups. Cases of erythema, flushing, pruritus and tachycardia have been reported. Severe liver damage may occur if you take 3, FD&C Yellow No. NyQuil is the #1 pharmacist recommended nighttime cough, cold & flu brand*Active ingredients per dose (2 Liquicaps) for adults are acetaminophen 650 mg (pain reliever/fever reducer), dextromethorphan HBr 20 mg (cough suppressant), doxylamine succinate 12.5 mg (antihistamine), and phenylephrine HCI 10 mg (nasal decongestant). DayQuil Severe Cold & Flu is a version of DayQuil that includes the mucus-releasing expectorant guaifenesin. Do not drink alcohol while you are using this medicine. Do not exceed 8 LiquiCaps per 24 hrs. cough that occurs with too much phlegm (mucus), a breathing problem or chronic cough that lasts or as occurs with smoking, asthma, chronic bronchitis, or emphysema, trouble urinating due to enlarged prostate gland, excitability may occur, especially in children, be careful when driving a motor vehicle or operating machinery, alcohol, sedatives, and tranquilizers may increase drowsiness, pain, nasal congestion, or cough gets worse or lasts more than 7 days, fever gets worse or lasts more than 3 days. Vicks DayQuil and NyQuil COMPLETE Cough, Cold & Flu Relief. Q: Will NyQuil make me sleepy? Uses for Nyquil Temporary relief of cold and flu symptoms including: Cough Sore Throat Headache Minor aches and pains Fever Runny nose Sneezing Side Effects of Nyquil Drowsiness Be sure to read the label carefully, and use NyQuil as directed. This medicine may cause serious side effects. Stop taking this medicine and call your doctor right away if you have skin redness or a rash that spreads and causes blistering and peeling. Vicks NyQuil FAQ - Cough Medicine, Cold Medicine, Flu Relief & Allergy Nyquil Cold & Flu Uses, Dosage, Side Effects, FAQ - MedicinesFAQ 6, flavor, high fructose corn syrup, PEG-40 stearate, polyethylene glycol, povidone, propylene glycol, purified water, saccharin sodium, sodium benzoate, sodium citrate, xanthan gum. National Library of Medicine. Dozens of cold and flu products from Vicks are now available on the shelves and online. Please enable JavaScript in your browser and reload the page. As a general rule, it is best to use home remedies for children , if the symptoms are mild. NyQuil is dosed at 30 milliliters (ml) every four hours, with no more than four doses per 24 hours. Read Also: What Do You Need To Get A Flu Shot. Paracetamol IV is used for the management of mild to moderate pain, the management of moderate to severe pain with adjunctive opioid analgesics, the reduction of fever. NyQuil Severe+ VapoCOOL Cold & Flu - DailyMed Naloxone may be useful in reversing toxicity. The four active ingredients are acetaminophen, dextromethorphan, guaifenesin, and phenylephrine. Doxylamine Succinate, Dextromethorphan HBr, Lil' Dietary restrictions and drug interactions with monoamine oxidase inhibitors: an update. Doxylamine is a first-generation antihistamine. Adults and Children over 12 years: 15 to 30 mg three to four times per day. These may be symptoms of a serious medical problem and should be checked by a doctor. Doxylamine belongs to a group of drugs calledantihistamines. NyQuil COMPLETE delivers additional symptom-fighting ingredients to relieve your toughest cold symptoms at night. It has a moderate therapeutic window, as intoxication can occur at higher doses. As such, you should still use caution when taking DayQuil; avoiding driving and the use of heavy machinery whenever possible. With a DayQuil/NyQuil Sinus LiquiCaps convenience pack, youll have the sinus and congestion symptom relief you need on hand, day or night. Children between 6 and 12 years: 5-15 mg up to four times per day. Read all information given to you. The only difference is the drug manufacturer and product name; many people turn to Tylenol because of brand awareness, as it was the original OTC brand name for acetaminophen in the United States. It also comes as a liquid that you drink. Learn more about Nyquil Cold & Flu . An overdose of acetaminophen can damage your liver or cause death. Dextromethorphan has a half life of 3-30 hours. NYQUIL SEVERE PLUS VAPOCOOL COLD AND FLU- acetaminophen, phenylephrine hydrochloride, doxylamine succinate, and dextromethorphan hydrobromidetablet, coated A: NyQuil Liquid contains 10 percent alcohol. Learn more about alternative congestion relief for children. Call your doctor for medical advice about side effects. Take with food if it causes an. You May Like: Tylenol Cold And Flu Childrens Dosage. Do you want to avoid certain ingredients like alcohol, sugar, lactose, or artificial dyes? Find everything you need to know about Nyquil Cold & Flu, including what it is used for, warnings, reviews, side effects, and interactions. Skip to main content. May impair ability to drive and operate machinery. 6-11yrs: 15mL. This dose contains: . The COMPLETE convenience pack delivers symptom-fighting ingredients to relieve your worst cold & flu symptoms, among OTC cold & flu medicines. Also contraindicated in patients with severe hepatic impairment or severe active liver disease. Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. Children: 0.34 L/h/kg following a 15 mg/kg intravenous (IV dose). Discontinue Paracetamol IV immediately if symptoms associated with allergy or hypersensitivity occurs. Adults can start with Vicks VapoRub if the symptoms are mild, before trying the other options. A: NyQuil contains acetaminophen. Ask a doctor before taking medicine that contains acetaminophen if you have ever had liver disease, or if you drink more than 3 alcoholic beverages per day. NyQuil COMPLETE Cold, Flu, and Congestion Medicine, Honey Flavour, Personal information provided may be collected, used and disclosed in accordance with our. NYQUIL COLD & FLU Dosage & Rx Info - Prescription & OTC Drug Info If you take Vicks DayQuil Severe Cold/Flu on a regular basis, take a missed dose as soon as you think about it. NyQuil should not be used in children under 12. Vicks NyQuil COMPLETE Cough, Cold & Flu Relief. Tell your doctor if you are pregnant or plan on getting pregnant. VICKS NyQuil Severe COLD & FLU - DailyMed Many times this medicine is used on an as needed basis. Can mask signs of ototoxicity caused by aminoglycosides. They can usually point you in the direction of the OTC remedies most suited to your concerns. It contains among the highest dose of acetaminophen compared to other OTC remedies (650 milligrams). Side effects Overdose Dosage Uses of Vicks NyQuil Multi-Symptom: It is used to ease allergy signs. You can unsubscribe at any time. What Is the Serious Bacterial Infection That Sent Madonna to the Hospital? Avoid alcoholic beverages. NyQuil Cold & Flu NyQuil relieves your sneezing, sore throat, headache, minor aches and pains, fever, runny nose, and cough, so you can get the rest you need. Improper use of this medication may result in serious harm . This medicine may pass into breast milk and may harm a nursing baby. Follow all instructions closely. For ages 6 years and up. Take with or without food. Do not take more than four doses in 24 hours. Alka-Seltzer Plus Multi-Symptom Cold & Flu can be taken every four hours by dissolving a single-dose packet in eight ounces of water. Cold or cough medicine is only for short-term use until your symptoms clear up. Acetaminophen is a pain reliever and fever reducer. National Library of Medicine. CHILDREN'S NYQUIL COLD & COUGH Dosage & Rx Info | Uses, Side Effects Ask a doctor or pharmacist before taking this medicine if you have any medical condition, especially: It is not known whether this medicine will harm an unborn baby. NyQuil Cold & Flu Nighttime Relief LiquiCaps. MAOIs can amplify the side effects of antihistamines or lead to a rare but serious reaction called serotonin syndrome when taken with dextromethorphan. Antihistamines help relieve watery eyes, itchy eyes/nose/throat, runny nose, and sneezing. Tell your doctor if your condition persists for more than 5 to 7 days, if it worsens, or if it occurs with rash, persistent headache, or fever lasting more than 3 days. Paracetamol is contraindicated in patients with known hypersensitivity to its active ingredient or to any of the excipients in the intravenous formulation. NyQuil Cold & Flu Nighttime Relief Liquid Dissolve one packet of the powder in at least 4 ounces of water. As usual, you should talk to a doctor before starting a new product, even if it is over the counter. DayQuil/NyQuil COMPLETE + Vicks VapoCOOL Cold & Flu Relief Caplets, DayQuil and NyQuil COMPLETE + Vicks VapoCOOL Cold & Flu provide fast and effective, all-in-one cold & flu symptom relief, with a cooling flavour sensation that will ripple through your senses. However, Dextromethorphan has not been reported to cause birth defects. 2023 Dotdash Media, Inc. All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. dry eyes, blurred vision, dry mouth or nose; mild dizziness or drowsiness, trouble concentrating; feeling restless or excited (especially in children); or. A: Yes. Download Bissoy App to talk Doctor online Uses Dextromethorphan is used for Chronic dry cough or unproductive cough; Acute dry cough which is interfering with normal function or sleep. There are other NyQuil products available, including NyQuil extended-relief tablets, NyQuil Cough Suppressant (which is acetaminophen-free), and NyQuil Severe Cold & Flu Nighttime Relief (which also contains the nasal decongestant phenylephrine). These work by changing the way the body senses pain and cooling the body. Advil Multi-Symptom Cold & Flu is another tablet formulation meant to treat headaches, stuffy nose, sneezing, and itchy eyes. The Procter & Gamble Manufacturing Company. Do not use NyQuil beyond the expiration date on the package. Its weak anti-inflammatory activity is related to inhibition of prostaglandin synthesis in the CNS. Learn more about Nyquil Cold & Flu at EverydayHealth.com. It is also the most powerful over-the-counter sedative available in the United States, and more sedating than many prescription hypnotics. You should not. A very bad skin reaction may happen. NyQuil Cough Suppressant relieves your cough so you can get the rest you need. Skip the missed dose if it is almost time for your next scheduled dose. do not exceed 4 doses per 24 hrs, alcohol, citric acid, D&C Yellow No. COLD & FLU Drug Facts Uses temporarily relieves common cold/flu symptoms: cough due to minor throat and bronchial irritation sore throat headache minor aches and pains fever runny nose and sneezing Warnings Liver warning This product contains acetaminophen. Check the medication label if you have phenylketonuria (PKU). Acetaminophen belongs to a group of drugs called analgesics. Overdose should be managed through symptomatic and supportive measures. You should not use this medication if you are allergic to acetaminophen (Tylenol), doxylamine, or dextromethorphan. Talk with your doctor. National Library of Medicine. NyQuil COMPLETE + Vicks VapoCOOL relieves: nasal congestion and pressure, cough due to minor throat & bronchial irritation/cough to help you sleep, minor aches & pains, headache, fever, sore throat pain, runny nose and sneezing, DayQuil /NyQuil Cold & Flu Multi Symptom LiquiCaps. Take with food or milk. Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. A: NyQuil comes as a liquid or gel caps. If in doubt about whether a multi-symptom cold and flu remedy is right for you, tell your healthcare provider or pharmacist about the symptoms you are experiencing. This medicine may affect certain lab tests. The information within all other sections is proprietary to Everyday Health. Vicks NyQuil Severe Cold & Flu may also be used for purposes not listed in this medication guide. The COMPLETE convenience pack delivers symptom-fighting . A: NyQuil relieves your sneezing, sore throat, headache, minor aches and pains, fever, runny nose, and cough, so you can get the rest you need. Vicks DayQuil and NyQuil COMPLETE Cough, Cold & Flu Relief. By Kristina Duda, RN Similar to DayQuil Severe Cold & Flu, Alka-Seltzer Plus Multi-Symptom Cold & Flu has a higher per-pill dose of acetaminophen (500 milligrams versus 325 milligrams). 2018;56(12):604-11. doi:10.5414/CP203259. Advil Multi-Symptom Cold and Flu. Is NyQuil Right for You and Your Symptoms? - Verywell Health - Know cough comes back or occurs with rash or headache that lasts. VICKS DAYQUIL SEVERE AND VICKS NYQUIL SEVERE COLD AND FLU- acetaminophen, . Do not use a household spoon because you may not get the correct dose. The half-life for adults is 2.5 h after an intravenous dose of 15 mg/kg. if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you have a severe sore throat and it persists for more than two days and is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly. Drug Facts Uses temporarily relieves common cold/flu symptoms: nasal congestion sinus congestion & pressure cough due to minor throat & bronchial irritation cough to help you sleep minor aches & pains headache fever sore throat runny nose & sneezing reduces swelling of nasal passages temporarily restores freer breathing through the nose Follow all instructions closely. There may be a headache, nasal congestion, sneezing, coughing, muscle aches, fever, chills, and a plethora of other symptoms to deal with. Theraflu Daytime Severe Cold and Cough. Avoid use in younger children. The risk is further amplified if alcohol is consumed.. . Brzeczko AW, Leech R, Stark JG. . Lil' Drug Store Products, Inc., 9300 Earhart Lane SW, Cedar Rapids, IA 52404, Acetaminophen, Phenylephrine HCl, store at no greater than 25C and do not refrigerate. It may increase your risk of liver damage while you are taking acetaminophen, and can increase certain side effects. Doxylamine is an antihistamine commonly used as a sleep aid. My Infant Has a Cough, What Medicine Do I Use? Children between the ages of four and 12 should only take these products under the recommendation of a doctor, while this product is not permitted for use by children under the age of four. The following table lists the recommended dosage for each. It contains medications such as doxylamine succinate (antihistamine), acetaminophen (pain reliever), and dextromethorphan (cough suppressant). Very rare cases of hypersensitivity reactions ranging from simple skin rash or urticaria to anaphylactic shock have been reported and require discontinuation of treatment. COLD & FLU Drug Facts Active ingredients (in each LiquiCap) Acetaminophen 325 mg Dextromethorphan HBr 10 mg Doxylamine succinate 6.25 mg Phenylephrine HCl 5 mg Purpose Pain reliever/fever reducer Cough suppressant Antihistamine Nasal decongestant Uses temporarily relieves common cold/flu symptoms: nasal congestion sinus congestion & pressure NyQuil Cold & Flu Nighttime Relief LiquiCaps. If you often drink three or more alcoholic drinks every day, do not take any medicines that contain acetaminophen without asking your doctor. Read Also: Should I Get A Flu Shot Before Traveling. Check the label to see if a medicine contains acetaminophen or APAP. NyQuil Cough relieves your cough and runny nose so you can get the sleep you need. It is important to avoid alcoholic drinks when taking NyQuil and be careful when driving a motor vehicle or operating machinery. Avoid using this medicine with other drugs that cause drowsiness or slow your breathing . Vicks Children's NyQuil Cold & Cough Medicine - Vicks You will need to talk about any risks to your baby. acetaminophen may cause severe skin reactions. used to temporarily treat symptoms caused by the common cold, flu, allergies, or other breathing illnesses . Product repackaged and distributed with permission of manufacturer by: acetaminophen, phenylephrine hydrochloride, doxylamine succinate, and dextromethorphan hydrobromide tablet, coated, 2 in 1 POUCH; Type 0: Not a Combination Product, cough due to minor throat & bronchial irritation, temporarily restores freer breathing through the nose, more than 8 caplets in 24 hours, which is the maximum daily amount for this product, with other drugs containing acetaminophen, 3 or more alcoholic drinks every day while using this product. MAO inhibitors include furazolidone, isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine. DayQuil COMPLETE + Vicks VapoCOOL relieves: nasal congestion and pain, chest congestion, cough due to cold, cough with phlegm, sore throat pain, headache, minor aches & pains, fever, and thins & loosens mucus. 1 Aluminum Lake, FD&C Blue No. Do not drive a motor vehicle or engage in activities requiring alertness while taking this product. Doxylamine is also a potent anticholinergic. This could occur even if you have taken acetaminophen in the past and had no reaction. If pregnant or breast-feeding, ask a health professional before use. The four active ingredients are acetaminophen, dextromethorphan, guaifenesin, and phenylephrine. Drug information for NyQuil Severe Cold and Flu by JC World Bell Wholesale Co., Inc.. Includes: facts, uses, warnings and directions. However, Dextromethorphan has not been reported to cause problems in nursing babies. Dilated blood vessels can cause nasal congestion . Quick medical attention is critical for adults as well as children even if you do not notice any signs or symptoms. 2013 Feb;131(Suppl_2):AB170. Children between 2 and 6 years: 2.5-5 mg up to four times per day. Do not allow liquid medicine to freeze. This medicine will not treat a cough that is caused by smoking, asthma, or emphysema. Depending on the part of the country you are in, it is sometimes sold as Aleve-D Sinus & Cold, which contains the exact same ingredients. The brand also has a multi-symptom cold and flu remedy that contains a different mix of drugs. Do not refrigerate or freeze. Vicks has an entire line of products for cold and flu, created to provide temporary relief of cold and flu symptoms. Acetaminophen, dextromethorphan, and doxylamine may also be used for purposes not listed in this medication guide. The first signs of an acetaminophen overdose include loss of appetite, nausea, vomiting, stomach pain, sweating, and confusion or weakness. Severe Cold & Flu Drug Facts Acetaminophen 650 mg Dextromethorphan HBr 20 mg Doxylamine succinate 12.5 mg Phenylephrine HCl 10 mg Active ingredients (in each 30 mL) Purpose Pain reliever/fever reducer Cough suppressant Antihistamine Nasal decongestant Uses temporarily relieves common cold/flu symptoms: nasal congestion Do not use in larger or smaller amounts or for longer than recommended. Subscribe to our newsletters. For ingredients and more, Select a product. If you have a severe sore throat and it persists for more than two days and is accompanied or followed by fever, headache, rash, nausea, or vomiting, consult a doctor promptly. A: NyQuil COMPLETE delivers effective symptom-fighting ingredients to relieve your toughest cold symptoms. You will need to talk about the benefits and risks of using Vicks DayQuil Severe Cold/Flu while you are pregnant. NyQuil COMPLETE delivers effective symptom-fighting ingredients to relieve your ugliest, nastiest, roughest, toughest cold symptoms at night. This places it in line with the per-pill dose of Tylenol Extra Strength, commonly used to treat arthritis pain. What do I need to tell my doctor BEFORE I take Vicks NyQuil Multi-Symptom? Tylenol Cold Max Night. Do not exceed four doses within 24 hours. nausea, pain in your upper stomach pain, itching, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes). asthma or COPD, cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis; a blockage in your stomach or intestines; liver disease, alcoholism, or if you drink more than 3 alcoholic beverages per day; an enlarged prostate, problems with urination; if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K). A: NyQuil comes as a liquid or gel caps. DailyMed/U.S. Adults & Children 12 Yrs & Over: 2 LiquiCaps with water every 6 hrs. Keep out of reach of children. NyQuil Severe Cold & Flu will not treat a cough that is caused by smoking, asthma, or emphysema. An acetaminophen overdose can damage your liver or cause death. Do not use for longer than recommended. Acetaminophen hypersensitivity: Myth or reality. Always ask a doctor before giving a cough or cold medicine to a child. Over-the-counter products for colds and flu should be used short-term, to help with the symptoms, and avoid using higher doses than recommended on the label. Dextromethorphan shows high affinity binding to several regions of the brain, including the medullary cough center. DrugStore Should be taken with food. Because pseudoephedrine is used in the manufacture of methamphetamine, some states (including Oregon and Mississippi) keep records or require prescriptions for the purchase of any OTC product containing the drug.