Pronunciation: a-SEET-a-MIN-oh-fen/fen-IR-a-meen/FEN-il-EF-rin
Generic Name: Acetaminophen/Pheniramine/Phenylephrine
Brand Name: Examples include Theraflu Cold and Sore Throat and Theraflu Flu and Sore Throat
Theraflu Severe Nighttime Powder Packets are used for:
Relieving symptoms of colds, hay fever, and allergies such as headache, sinus pain, nasal and sinus congestion, sneezing, watery eyes, runny nose, fever, and itching of the nose or throat. It may also be used for other conditions as determined by your doctor.
Theraflu Severe Nighttime Powder Packets are an antihistamine, decongestant, and pain reliever combination. It works in the brain to relieve pain. It blocks histamine, a substance in the body that causes sneezing, runny nose, and watery eyes. It also shrinks swollen nasal tissue to help relieve congestion.
Do NOT use Theraflu Severe Nighttime Powder Packets if:
- you are allergic to any ingredient in Theraflu Severe Nighttime Powder Packets
- you have severe high blood pressure, severe heart blood vessel disease, rapid heartbeat, or severe heart problems
- you are unable to urinate or are having an asthma attack
- you take sodium oxybate (GHB) or you have taken furazolidone or a monoamine oxidase inhibitor (MAOI) within the last 14 days
Contact your doctor or health care provider right away if any of these apply to you.
Before using Theraflu Severe Nighttime Powder Packets:
Some medical conditions may interact with Theraflu Severe Nighttime Powder Packets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of breathing problems (eg, emphysema, asthma); heart disease; diabetes; blood vessel problems; stroke; an enlarged prostate or other prostate problems; glaucoma; high blood pressure; seizures; an overactive thyroid; adrenal gland problems (eg, pheochromocytoma); sleep apnea; stomach problems; blockage of the stomach, intestines, or bladder; or ulcers
- if you have a history of liver problems (eg, hepatitis) or kidney problems, or if you drink 3 or more alcoholic drinks per day
- if you have trouble urinating or trouble sleeping
- if you are on a low-salt (sodium) diet
Some MEDICINES MAY INTERACT with Theraflu Severe Nighttime Powder Packets. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Beta-blockers (eg, propranolol), catechol-o-methyltransferase (COMT) inhibitors (eg, tolcapone), furazolidone, indomethacin, isoniazid, monoamine oxidase inhibitors (MAOIs) (eg, phenelzine), sodium oxybate (GHB) , or tricyclic antidepressants (eg, amitriptyline) because the risk of Theraflu Severe Nighttime Powder Packets's side effects may be increased
- Digoxin or droxidopa because risk of irregular heartbeat or heart attack may be increased
- Anticoagulants (eg, warfarin), bromocriptine, or hydantoins (eg, phenytoin) because the risk of their side effects may be increased by Theraflu Severe Nighttime Powder Packets
- Guanadrel, guanethidine, mecamylamine, methyldopa, or reserpine because their effectiveness may be decreased by Theraflu Severe Nighttime Powder Packets
This may not be a complete list of all interactions that may occur. Ask your health care provider if Theraflu Severe Nighttime Powder Packets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Theraflu Severe Nighttime Powder Packets:
Use Theraflu Severe Nighttime Powder Packets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Theraflu Severe Nighttime Powder Packets by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Dissolve contents of 1 packet in 8 oz of hot water. Sip while hot. Drink entire mixture within 10 to 15 minutes.
- If using a microwave, stir before and after heating. Do not overheat.
- If you miss a dose of Theraflu Severe Nighttime Powder Packets and you are taking it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Theraflu Severe Nighttime Powder Packets.
Important safety information:
- Theraflu Severe Nighttime Powder Packets may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Theraflu Severe Nighttime Powder Packets with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do not drink alcohol while you are taking Theraflu Severe Nighttime Powder Packets.
- Check with your doctor before you use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Theraflu Severe Nighttime Powder Packets; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Do not take more than the recommended dose or use Theraflu Severe Nighttime Powder Packets for longer than prescribed without checking with your doctor.
- Severe or persistent sore throat or sore throat accompanied by high fever, headache, nausea, and vomiting may be serious. Consult a doctor promptly. Do not use for sore throat for longer than 2 days unless directed by a doctor.
- Talk with your doctor if pain or nasal congestion lasts for more than 7 days, gets worse, or occurs with rash or persistent headache.
- Check with your doctor if fever lasts for more than 3 days or if it gets worse.
- Check with your doctor if redness or swelling is present, or if new symptoms occur.
- Theraflu Severe Nighttime Powder Packets has acetaminophen, pheniramine, and phenylephrine in it. Before you start any new medicine, check the label to see if it has acetaminophen, pheniramine, or phenylephrine in it too. If it does or if you are not sure, check with your doctor or pharmacist.
- Do not take diet or appetite control medicines while you are taking Theraflu Severe Nighttime Powder Packets without checking with your doctor.
- Theraflu Severe Nighttime Powder Packets may harm your liver. Your risk may be greater if you drink alcohol while you are using Theraflu Severe Nighttime Powder Packets. Talk to your doctor before you take Theraflu Severe Nighttime Powder Packets or other fever reducers if you drink more than 3 drinks with alcohol per day.
- Theraflu Severe Nighttime Powder Packets may interfere with skin allergy tests. If you are scheduled for a skin test, talk to your doctor. You may need to stop taking Theraflu Severe Nighttime Powder Packets for a few days before tests.
- Theraflu Severe Nighttime Powder Packets may cause you to become sunburned more easily. Avoid the sun, sunlamps, or tanning booths until you know how you react to Theraflu Severe Nighttime Powder Packets. Use a sunscreen or wear protective clothing if you must be outside for more than a short time.
- If you have trouble sleeping, ask your doctor or pharmacist about the best time of the day to take Theraflu Severe Nighttime Powder Packets.
- Use Theraflu Severe Nighttime Powder Packets with caution in the ELDERLY; they may be more sensitive to its effects.
- Caution is advised when using Theraflu Severe Nighttime Powder Packets in CHILDREN; they may be more sensitive to its effects, especially excitability.
- Do not use Theraflu Severe Nighttime Powder Packets in CHILDREN younger than 12 years old without checking with the child's doctor; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: It is not known if Theraflu Severe Nighttime Powder Packets can cause harm to the fetus. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Theraflu Severe Nighttime Powder Packets while you are pregnant. Some of the ingredients in Theraflu Severe Nighttime Powder Packets are found in breast milk. If you are or will be breast-feeding while you use Theraflu Severe Nighttime Powder Packets, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of Theraflu Severe Nighttime Powder Packets:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; nausea; nervousness; trouble sleeping.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; dark urine or pale stools; difficulty urinating; fast or irregular heartbeat; hallucinations; rapid pulse; seizures; severe or persistent nervousness, dizziness, headache, or trouble sleeping; stomach pain; tremors; unusual fatigue; yellowing of the skin or eyes.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
See also: Theraflu Severe Nighttime side effects (in more detail)
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include fast or irregular heartbeat; fever; hallucinations; nausea; seizures; stomach pain; sweating; tremors; trouble breathing; unusual drowsiness or dizziness; vomiting.
Proper storage of Theraflu Severe Nighttime Powder Packets:
Store Theraflu Severe Nighttime Powder Packets at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Theraflu Severe Nighttime Powder Packets out of the reach of children and away from pets.
General information:
- If you have any questions about Theraflu Severe Nighttime Powder Packets, please talk with your doctor, pharmacist, or other health care provider.
- Theraflu Severe Nighttime Powder Packets are to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about Theraflu Severe Nighttime Powder Packets. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
More Theraflu Severe Nighttime resources
- Theraflu Severe Nighttime Side Effects (in more detail)
- Theraflu Severe Nighttime Use in Pregnancy & Breastfeeding
- Theraflu Severe Nighttime Drug Interactions
- Theraflu Severe Nighttime Support Group
- 0 Reviews for Theraflu Severe Nighttime - Add your own review/rating
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