What happens if you drink too much theraflu

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Harvard Health Blog Cold and flu warning: The dangers of too much acetaminophen. Print This Page Click to Print. Maria Jasmine Freeman. Joan Aiken. Robert Shaver. Irene Eggers. Diane Sommers. Gail McLeod. Ann Bauer. Back Pain.

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I want to get healthier. Close Health Alerts from Harvard Medical School Get helpful tips and guidance for everything from fighting inflammation to finding the best diets for weight loss Close Stay on top of latest health news from Harvard Medical School. Sign me up. Use the dosing syringe provided, or use a medicine dose-measuring device not a kitchen spoon. Dissolve one packet of the powder in at least 4 ounces of water. Stir this mixture and drink all of it right away. Call your doctor if you have a sore throat for more than 2 days, especially if you also have fever, headache, rash, nausea, or vomiting.

If you need surgery or medical tests, tell the surgeon or doctor if you have taken this medicine within the past few days. Since this medicine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time. Early signs of acetaminophen overdose include loss of appetite, nausea, vomiting, sweating, or weakness.

Later symptoms may include upper stomach pain, dark urine, and yellowing of your skin or eyes. Health Topics. Health Tools. Generic Name: Acetaminophen, chlorpheniramine, dextromethorphan, and pseudoephedrine. Reviewed: June 23, Ask a doctor or pharmacist if this medicine is safe to use if you have: liver disease, cirrhosis, alcoholism, or more than 3 alcoholic beverages per day; heart problems, high blood pressure; diabetes; glaucoma; an enlarged prostate or urination problems; a thyroid disorder; or cough with mucus, or cough caused by smoking, asthma, or emphysema.

Stop using this medicine and call your doctor at once if you have: any new or worsening symptoms; severe drowsiness; fever for longer than 3 days; redness, swelling, or rash; ongoing headache; or pain, cough, or sinus congestion lasting more than 7 days; Some side effects may be more likely in older adults.

Common side effects may include: dizziness, drowsiness; dry mouth, nose, or throat; blurred vision; constipation; feeling restless or excited especially in children ; or sleep problems insomnia.

Avoid drinking alcohol. It may increase your risk of liver damage. If the patient is a child, use this drug with care. The risk of feeling excitable may be higher in children. Different brands of this drug may have different doses for children. Talk with the doctor before giving this drug to a child.

If you are 65 or older, use this drug with care. You could have more side effects. Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding.

You will need to talk about the benefits and risks to you and the baby. What are some side effects that I need to call my doctor about right away? Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect: Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.

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. Not able to pass urine or change in how much urine is passed. It can cause severe health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin with or without fever ; red or irritated eyes; or sores in your mouth, throat, nose, or eyes.

What are some other side effects of this drug? Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away: Feeling dizzy or sleepy. Feeling nervous and excitable.

Trouble sleeping. You may report side effects to your national health agency. How is this drug best taken? All products: Take with or without food. Take with food if it causes an upset stomach. Liquid: Measure liquid doses carefully.

Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug. Powder: Dissolve 1 packet in hot water. Sip while hot. If using a microwave, dissolve 1 packet in cool water. Microwave until hot. Do not overheat. Stir before and after heating. Pods: Do not take the foil off of the pod before using. Place the pod in the brewer. Use at least 8 ounces mL of water.

After using the brewer, the pod will be hot and may drip. Handle with care. Drink within 10 to 15 minutes of brewing. Only use the type of brewer that you have been told to use. If you are not sure what type of brewer to use, talk with the doctor or pharmacist. What do I do if I miss a dose? If you take this drug on a regular basis, take a missed dose as soon as you think about it.