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Generic Name: pseudoephedrine (SOO-doe-e-FED-rin)
Brand Name: Examples include Nexafed and Sudafed
Suphedrin is used for:
Relieving nasal congestion due to colds, flu, hay fever, and other allergies. It may also be used for other conditions as determined by your doctor.
Suphedrin is a decongestant. It works by reducing swelling and constricting blood vessels in the nasal passages, allowing you to breathe more easily.
Do NOT use Suphedrin if:
- you are allergic to any ingredient in Suphedrin
- you have severe high blood pressure, severe heart blood vessel disease, a rapid heartbeat, or severe heart problems
- you are taking droxidopa or have taken furazolidone or a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) within the last 14 days
Contact your doctor or health care provider right away if any of these apply to you.
Before using Suphedrin:
Some medical conditions may interact with Suphedrin. 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 heart problems (eg, irregular heartbeat), diabetes, glaucoma or increased pressure in the eye, trouble urinating, an enlarged prostate or other prostate problems, adrenal gland problems, high blood pressure, seizures, stroke, blood vessel problems, trouble sleeping, or thyroid problems
Some MEDICINES MAY INTERACT with Suphedrin. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Digoxin or droxidopa because the risk of irregular heartbeat or heart attack may be increased
- Beta-blockers (eg, propranolol), furazolidone, linezolid, MAOIs (eg, phenelzine), tricyclic antidepressants (eg, amitriptyline), or urinary alkalinizers (eg, sodium bicarbonate) because they may increase the risk of Suphedrin's side effects
- Bromocriptine because the risk of its side effects may be increased by Suphedrin
- Guanadrel, guanethidine, mecamylamine, methyldopa, or reserpine because their effectiveness may be decreased by Suphedrin
This may not be a complete list of all interactions that may occur. Ask your health care provider if Suphedrin 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 Suphedrin:
Use Suphedrin as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Suphedrin by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
- Take Suphedrin with enough water to be sure that you swallow it completely. Swallow Suphedrin immediately after you place it in your mouth.
- If you miss a dose of Suphedrin and 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 Suphedrin.
Important safety information:
- Suphedrin may cause dizziness. This effect may be worse if you take it with alcohol or certain medicines. Use Suphedrin with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Check with your doctor before you drink alcohol while you are using Suphedrin.
- If your symptoms do not get better within 7 days, if they get worse, or if they occur along with a fever, check with your doctor.
- Do NOT take more than the recommended dose or take for longer than prescribed without checking with your doctor.
- If you have trouble sleeping, ask your pharmacist or doctor about the best time of the day to take Suphedrin.
- Do not take diet or appetite control medicines while you are taking Suphedrin without checking with your doctor.
- Suphedrin is a decongestant. Before you start any new medicine, check the label to see if it has a decongestant in it too. If it does or if you are not sure, check with your doctor or pharmacist.
- Suphedrin may interfere with certain lab tests. Be sure your doctor and lab personnel know that you are taking Suphedrin.
- Tell your doctor or dentist that you take Suphedrin before you receive any medical or dental care, emergency care, or surgery.
- Diabetes patients - Suphedrin may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- Use Suphedrin with caution in the ELDERLY; they may be more sensitive to its effects.
- Suphedrin should not be used in CHILDREN younger than 6 years old without first checking with the child's doctor; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Suphedrin while you are pregnant. It is not known if this medicine is found in breast milk. Do not breast-feed while taking Suphedrin.
Possible side effects of Suphedrin:
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:
Seek medical attention right away if any of these SEVERE side effects occur:
Dizziness; headache; nausea; restlessness; trouble sleeping; upset stomach.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; nervousness; severe or persistent dizziness; severe or persistent trouble sleeping.
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.
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.Proper storage of Suphedrin:
Store Suphedrin at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Suphedrin out of the reach of children and away from pets.
- If you have any questions about Suphedrin, please talk with your doctor, pharmacist, or other health care provider.
- Suphedrin is 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 should not be used to decide whether or not to take Suphedrin or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Suphedrin. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Suphedrin. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Suphedrin.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.