Diphenhydramine Phenylephrine Drug Information
Generic name: ACETAMINOPHEN, DIPHENHYDRAMINE, PHENYLEPHRINE
Uses of Diphenhydramine Phenylephrine
▪ temporarily relieves these symptoms due to a cold: ▪ minor aches and pains ▪ minor sore throat pain ▪ headache ▪ nasal and sinus congestion ▪ runny nose ▪ sneezing ▪ itchy nose or throat ▪ itchy, watery eyes due to hay fever ▪ cough due to minor throat and bronchial irritation ▪ temporarily reduces fever
Dosage & Administration of Diphenhydramine Phenylephrine
▪ do not use more than directed ▪ take every 4 hours while symptoms persist, not to exceed 5 packets in 24 hours unless directed by a doctor into 8 oz. hot water: sip while hot. Consume entire drink within 10 - 15 minutes. ▪ if using a microwave, add contents of one packet to 8 oz. of cool water: stir briskly before and after heating, Do not overheat.
| Age | Dose |
| children under 12 years of age | do not use |
| adults and children 12 years of age and over | one packet |
Side Effects of Diphenhydramine Phenylephrine
When using this product
▪ do not exceed recommended dosage ▪ avoid alcoholic drinks ▪ marked drowsiness may occur ▪ 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
▪ nervousness, dizziness, or sleeplessness occurs ▪ fever gets worse or lasts more than 3 days ▪ redness or swelling is present ▪ new symptoms occur ▪ symptoms do not get better or worsen ▪ pain, cough or nasal congestion gets worse or lasts more than 7 days ▪ cough comes back or occurs with fever, rash or headache that lasts. There could be signs of a serious condition.
Warnings & Cautions for Diphenhydramine Phenylephrine
- 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 reactions, Symptoms may include: ▪ skin reddening ▪ blisters ▪ rash 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.
Drug Interactions with Diphenhydramine Phenylephrine
Ask a doctor or pharmacist before use if you are ▪ taking sedatives or tranquilizers ▪ taking the blood thinning drug warfarin
Pregnancy Safety for Diphenhydramine Phenylephrine
If pregnant or breast- feeding, ask a health care professional before use.
Contraindications for Diphenhydramine Phenylephrine
▪ in a child under 12 years of age ▪ if you are allergic to acetaminophen ▪ with any other drug containing acetaminophen (prescription or nonprescription). If you are not sure whether a drug contains acetaminophen, ask a doctor or a pharmacist. ▪ with any other product containing diphenhydramine, even one used on the skin ▪ 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 a MAOI, ask a doctor or pharmacist before taking this product.
Overdosage Information for Diphenhydramine Phenylephrine
Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away at 1-800-222-1222. Prompt medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.
Drug information sourced from the FDA. This content is for informational purposes only and does not constitute medical advice. Consult a healthcare professional before making any medication decisions.
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