What is Rezira?Rezira is a medicine used to relieve stuffy nose and cough due to colds or the flu.
What is the most important information I should know about Rezira?Rezira has the potential to cause drug abuse and dependence.
Do not increase the dose or dosing frequency of Rezira because serious breathing problems may occur, which can lead to death.
Who should not take Rezira?Do not take Rezira if you are taking certain antidepressants called monoamine oxidase inhibitors (MAOIs) or within 14 days of stopping treatment with MAOIs.
Do not take Rezira if you have an eye condition called narrow-angle glaucoma (high pressure in the eye), are unable to urinate, have very high blood pressure, or severe heart disease.
Do not take Rezira if you are allergic to it or any of its ingredients.
What should I tell my doctor before I take the first dose of Rezira?Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Rezira. Also, talk to your doctor about your complete medical history, especially if you have an abnormal heartbeat or other heart problems; high blood pressure; have or have had any head or brain injury; have or have had lung or breathing problems; have diabetes, asthma, or thyroid disease; have kidney, liver, stomach, or prostate problems; have a history of alcohol or substance abuse; are pregnant, plan to become pregnant, are breastfeeding, or plan to breastfeed.
What is the usual dosage?The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.
Adults: The usual dose is 5 milliliters (mL) every 4-6 hours as needed. Do not take more than 4 doses (20 mL) in 24 hours.
How should I take Rezira?Take Rezira exactly as prescribed by your doctor. You can take it with or without food. A household teaspoon is not accurate and could lead to overdosing. Ask your pharmacist to recommend an accurate measuring device and instructions for measuring the correct dose.
What should I avoid while taking Rezira?Do not drive or perform other unsafe activities until you know how Rezira affects you.
Do not take more than the recommended dose without talking to your doctor since serious breathing problems can occur.
Do not use alcohol while you are taking Rezira.
What are possible food and drug interactions associated with Rezira?If Rezira is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Rezira may interact with numerous medications. Therefore, it is very important that you tell your doctor about any other medications you are taking.
What are the possible side effects of Rezira?Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug.
Side effects may include: dizziness, drowsiness, excitability, fast or irregular heartbeat, headache, inability to think clearly, mood changes, nervousness or anxiety, trouble sleeping, weakness
Can I receive Rezira if I am pregnant or breastfeeding?The effects of Rezira during pregnancy are unknown. You should not breastfeed while you are taking Rezira. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.
What should I do if I miss a dose of Rezira?If you miss a dose of Rezira, take it as soon as you remember. However, if it is almost time for your next dose, skip the one you missed and return to your regular dosing schedule. Do not take two doses at once.
How should I store Rezira?Store at room temperature.