Aspirin, Dextromethorphan Hydrobromide, Doxylamine Succinate, Phenylephrine Bitartrate
FDA Drug Information • Also known as: Alka-Seltzer Plus Cold Night, Alka-Seltzer Plus Severe Cold Powerfast Fizz Night
- Brand Names
- Alka-Seltzer Plus Cold Night, Alka-Seltzer Plus Severe Cold Powerfast Fizz Night
- Drug Class
- Nonsteroidal Anti-inflammatory Drug [EPC], Platelet Aggregation Inhibitor [EPC]
- Route
- ORAL
- Dosage Form
- TABLET, EFFERVESCENT
- Product Type
- HUMAN OTC DRUG
What Is Aspirin, Dextromethorphan Hydrobromide, Doxylamine Succinate, Phenylephrine Bitartrate Used For?
Uses Uses ● temporarily relieves these symptoms due to a cold: ● minor aches and pains ● headache ● runny nose ● sinus congestion and pressure ● cough ● sneezing ● sore throat ● nasal congestion ● temporarily reduces fever
Dosage and Administration
Directions Directions ● adults and children 12 years and over: take 2 tablets fully dissolved in 4 oz of water every 6 hours. Do not exceed 8 tablets in 24 hours or as directed by a doctor. ● children under 12 years: do not use
Warnings and Precautions
Warnings Reye’s syndrome: Children and teenagers who have or are recovering from chicken pox or flu-like symptoms should not use this product. When using this product, if changes in behavior with nausea and vomiting occur, consult a doctor because these symptoms could be an early sign of Reye’s syndrome, a rare but serious illness. Allergy alert: Aspirin may cause a severe allergic reaction which may include: ● hives ● facial swelling ● asthma (wheezing) ● shock Stomach bleeding warning: This product contains an NSAID, which may cause severe stomach bleeding. The chance is higher if you ● are age 60 or older ● have had stomach ulcers or bleeding problems ● take a blood thinning (anticoagulant) or steroid drug ● take other drugs containing prescription or nonprescription NSAIDs (aspirin, ibuprofen, naproxen, or others) ● have 3 or more alcoholic drinks every day while using this product ● take more or for a longer time than directed 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 ● if you are allergic to aspirin or any other pain reliever/fever reducer ● 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 a doctor before use if ● stomach bleeding warning applies to you ● you have a history of stomach problems, such as heartburn ● you have high blood pressure, heart disease, liver cirrhosis, or kidney disease ● you are taking a diuretic ● you have ● asthma ● diabetes ● thyroid disease ● 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 a doctor or pharmacist before use if you are ● taking a prescription drug for ● gout ● diabetes ● arthritis ● taking sedatives or tranquilizers 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 and ask a doctor if ● an allergic reaction occurs. Seek medical help right away. ● you experience any of the following signs of stomach bleeding ● feel faint ● vomit blood ● have bloody or black stools ● have stomach pain that does not get better ● pain, cough, or nasal congestion...
About This Information
This drug information is sourced from FDA-approved labeling via the openFDA database. It is intended for educational and reference purposes only. This is not medical advice. Always consult your healthcare provider before making decisions about medication. Drug information may be updated by the FDA; check with your pharmacist for the most current information.
What are side effects?
Side effects are unwanted reactions that can occur when taking a medication. They range from mild (headache, nausea) to severe (allergic reactions, organ damage). Not everyone experiences side effects, and severity varies. Report any concerning side effects to your doctor.
What are drug interactions?
Drug interactions occur when a medication is affected by another drug, food, or supplement. Interactions can make medications less effective or cause dangerous side effects. Always tell your doctor about all medications and supplements you take.