How long does alka seltzer plus stay in your system

You should not use this medication if you are allergic to aspirin, chlorpheniramine, or phenylephrine.

Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

Aspirin may cause serious effects on the stomach or intestines, including bleeding or perforation (forming of a hole). These conditions can be fatal and can occur without warning while you are taking aspirin, especially in older adults.

Aspirin should not be given to a child or teenager who has a fever, especially if the child also has flu symptoms or chicken pox. Aspirin can cause a serious and sometimes fatal condition called Reye's syndrome in children. Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you have:

  • asthma or COPD, cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis;
  • heartburn, stomach pain, indigestion, ulcer, or a blockage in your stomach or intestines;
  • kidney or liver disease;
  • high blood pressure, heart disease, coronary artery disease, or recent heart attack;
  • enlarged prostate or urination problems;
  • glaucoma;
  • diabetes;
  • epilepsy or other seizure disorder;
  • pheochromocytoma (an adrenal gland tumor);
  • overactive thyroid;
  • if you are on a low-salt diet; or
  • if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).

FDA pregnancy category C. Aspirin may be harmful to an unborn baby's heart, and may also reduce birth weight or have other dangerous effects. Do not use this medicine without medical advice if you are pregnant.

It is not known whether aspirin, chlorpheniramine, and phenylephrine passes into breast milk or if it could harm a nursing baby. Antihistamines and decongestants may also slow breast milk production. Do not use this medicine without medical advice if you are breast-feeding a baby.

  • Drug Facts
  • ACTIVE INGREDIENT

    Active ingredients (in each tablet)

    Acetaminophen 250 mg

    Chlorpheniramine maleate 2 mg

    Dextromethorphan hydrobromide 10 mg

    Phenylephrine hydrochloride 5 mg

  • PURPOSE

    Purposes

    Pain reliever/fever reducer

    Antihistamine

    Cough suppressant

    Nasal decongestant

  • INDICATIONS & USAGE

    Uses

    · temporarily relieves these symptoms due to a cold or flu:

    · minor aches and pains · headache · cough

    · sore throat · runny nose · sneezing

    · nasal and sinus congestion

    · temporarily reduces fever

  • WARNINGS

    Warnings

    Liver warning: This product contains acetaminophen. Severe liver damage may occur if you take

    · more than 4,000 mg of acetaminophen in 24 hours

    · with other drugs containing acetaminophen

    · 3 or more alcoholic drinks every day while using this product

    Allergy alert: Acetaminophen may cause severe skin or severe allergic reactions. Symptoms may include:

    · skin reddening · blisters · rash · hives

    · facial swelling · asthma (wheezing) · shock

    If a skin or general allergic reaction occurs, stop use and seek medical help right away.

    Sore throat warning: If sore throat is severe, persists for more than

    2 days, is accompanied or followed by fever, headache, rash, nausea,

    or vomiting, consult a doctor promptly.

    Do not use to sedate children

  • DO NOT USE

    Do not use

    ● with any other drug containing acetaminophen (prescription or

    nonprescription). If you are not sure whether a drug contains

    acetaminophen, ask a doctor or pharmacist.

    ● 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 do not know if your prescription drug

    contains an MAOI, ask a doctor or pharmacist before taking this

    product.

    ● if you have ever had an allergic reaction to this product or any of its

    ingredients

    ● in children under 12 years of age

  • ASK DOCTOR

    Ask a doctor before use if you have

    ● liver disease ● heart disease ● high blood pressure

    ● thyroid disease ● diabetes ● glaucoma

    ● cough with excessive phlegm (mucus)

    ● a breathing problem such as emphysema or chronic bronchitis

    ● difficulty in urination due to enlargement of the prostate gland

    ● persistent or chronic cough such as occurs with smoking, asthma,

    or emphysema

    ● a sodium restricted diet

  • ASK DOCTOR/PHARMACIST

    Ask a doctor or pharmacist before use if you are

    ● taking the blood thinning drug warfarin

    ● taking sedatives or tranquilizers

  • WHEN USING

    When using this product

    ● do not exceed recommended dosage

    ● may cause marked drowsiness

    ● avoid alcoholic drinks

    ● alcohol, sedatives, and tranquilizers may increase drowsiness

    ● be careful when driving a motor vehicle or operating machinery

    ● excitability may occur, especially in children

  • STOP USE

    Stop use and ask a doctor if

    · pain, cough, or nasal congestion gets worse or lasts more than

    7 days

    · fever gets worse or lasts more than 3 days

    · redness or swelling is present

    · new symptoms occur

    · cough comes back or occurs with rash or headache that lasts.

    These could be signs of a serious condition.

    · nervousness, dizziness, or sleeplessness occurs

  • PREGNANCY OR BREAST FEEDING

    If pregnant or breast-feeding, ask a health professional before use.

  • KEEP OUT OF REACH OF CHILDREN

    Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. Quick medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms

  • DOSAGE & ADMINISTRATION

    Directions

    · do not take more than the recommended dose

    · adults and children 12 years and over: take 2 tablets fully dissolved

    in 4 oz of water every 4 hours. Do not exceed 8 tablets in 24 hours

    or as directed by a doctor.

    · children under 12 years: do not use

  • OTHER SAFETY INFORMATION

    Other information

    ● each tablet contains: sodium 416 mg

    ● Phenylketonurics: Contains Phenylalanine 5.6 mg Per Tablet

    ● store at room temperature. Avoid excessive heat.

  • INACTIVE INGREDIENT

    Inactive ingredients acesulfame potassium, anhydrous citric acid, aspartame, FD&C red #40, flavors, magnesium stearate, maltodextrin, mannitol, saccharin sodium, sodium bicarbonate

  • QUESTIONS

    Questions or comments? 1-800-986-0369 (Mon-Fri 9AM - 5PM EST)

  • PRINCIPAL DISPLAY PANEL

    Alka-Seltzer

    PLUS®

    SEVERE

    Cold

    & Flu

    CITRUS

    Acetaminophen / Pain Reliever-Fever Reducer

    Chlorpheniramine Maleate / Antihistamine

    Dextromethorphan HBr / Cough Suppressant

    Phenylephrine Hydrochloride / Nasal Decongestant

    • Fever & Body Ache
    • Cough
    • Nasal Congestion
    • Runny Nose
    • Sore Throat

    20 EFFERVESCENT TABLETS

    How long does alka seltzer plus stay in your system

  • How long does it take for Alka Seltzer Plus to wear off?

    The effects wear off in 4 to 6 hours, so side effects don't last that long. It comes as a tablet, capsule, liquid, and quick dissolving tablet.

    How long does Alka Seltzer pills last?

    Official answer. The recommended adult dose of Alka Seltzer Original is 2 tablets every 4 hours as needed, or as directed by a doctor - Do not exceed 8 tablets in 24 hours.

    What happens if you take too much Alka Seltzer Plus?

    Symptoms of overdose may include: nausea, vomiting, loss of appetite, sweating, stomach/abdominal pain, extreme tiredness, yellowing eyes/skin, dark urine, agitation, confusion, hallucinations, seizures. Keep all regular medical and laboratory appointments.

    Will Alka Seltzer Plus keep me awake?

    This drug may make you dizzy or drowsy or blur your vision. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely.